these 3 derivations will be built:
  /nix/store/v8bwia1brd7mhsmm5fmqk039ks1qi9sx-treefmt.toml.drv
  /nix/store/hpdxwd081lsx2aq6kqqffm7jrfkvf65c-treefmt.drv
  /nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv
these 26 paths will be fetched (52.4 MiB download, 223.9 MiB unpacked):
  /nix/store/mr0371cj5ri28izvyxhib7h15sgjhw23-deadnix-1.3.1
  /nix/store/97kzlf9srncm9fr11y2bd4j6yz2q2s1r-deno-2.6.3
  /nix/store/iwc65w2zcc62gz06n8bqdf84ydxm9nn0-git-lfs-3.7.1
  /nix/store/1xk52knyii7mzhf33pbrg6vxq7v854px-iana-etc-20250505
  /nix/store/5hfmqp7a1m38zrdmk9mzpz4k597w3nm3-jemalloc-5.3.0-unstable-2025-09-12
  /nix/store/agw30m9f59nadpl9q9snrh0kcb2n3sna-libyaml-0.2.5
  /nix/store/8i2bgxqpamx48g48lprqrw4wgdc41cf9-nixfmt-1.1.0
  /nix/store/4bry1mxfzwf9ry1g5pf0w0p8qf74xr4v-numactl-2.0.18
  /nix/store/xb902arn88h4rjbkd6d74zbdc205vb5z-python3.13-cbor2-5.7.0
  /nix/store/mgkxspab55vczsfvhj93drjjw638hvcv-python3.13-colorama-0.4.6
  /nix/store/5p9lbsasrp0vz4wvdkza3c3saxr67br3-python3.13-markdown-it-py-3.0.0
  /nix/store/arims2xdzzi45m1bnhi3jsa4pb118f1k-python3.13-mdurl-0.1.2
  /nix/store/lm8x6jby56drsajn6r9nr5y0i4x6qw4k-python3.13-python-dateutil-2.9.0.post0
  /nix/store/7vnzk3lm6841j1a29g25z1j4fskp02am-python3.13-pyyaml-6.0.3
  /nix/store/1wrhpwp2nw1l4ahl1jizs9vypcnr4rs9-python3.13-remarshal-1.2.0
  /nix/store/g18v3wp5kxi8jwbd25q3vxmvrnskdrqz-python3.13-rich-14.1.0
  /nix/store/f91c299wpxrkhyb9l5mj5wz370gp4fiq-python3.13-rich-argparse-1.7.1
  /nix/store/vhsx3hr43fj877ggn9ki1gnwqk6yzy1d-python3.13-ruamel-base-1.0.0
  /nix/store/56d1d9vq0qv5i1mmrmgmg721nbcnvxnl-python3.13-ruamel-yaml-0.18.14
  /nix/store/cwaxwnf3gvrii9f51sf999ywbi1l04gp-python3.13-ruamel-yaml-clib-0.2.12
  /nix/store/kabmckzwhf51wb2zcn9n8dn0zxys2bhr-python3.13-six-1.17.0
  /nix/store/vv26h7pbqg4pnjsfyqykz7xmk7a84y1k-python3.13-tomlkit-0.13.3
  /nix/store/yhz4200c9a2q3vf5ymmypzhf08acfd49-python3.13-u-msgpack-python-2.8.0
  /nix/store/wrw39058hj7xilcbjw6mmx69mncbwx7l-ruff-0.14.9
  /nix/store/xnd149m7vsgcz06i2fhp1jcg7r2z74q9-treefmt-2.4.0
  /nix/store/gk3ndkasjqd4h0zgg2v2j986sf6f9svf-yamlfmt-0.20.0
building '/nix/store/v8bwia1brd7mhsmm5fmqk039ks1qi9sx-treefmt.toml.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/v8bwia1brd7mhsmm5fmqk039ks1qi9sx-treefmt.toml.drv'
treefmt.toml> 
building '/nix/store/hpdxwd081lsx2aq6kqqffm7jrfkvf65c-treefmt.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/hpdxwd081lsx2aq6kqqffm7jrfkvf65c-treefmt.drv'
building '/nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 51 files
treefmt-check> emitted 42 files for processing
treefmt-check> formatted 42 files (1 changed) in 257ms
treefmt-check>  M src/nix-eval-jobs.cc
treefmt-check> diff --git a/src/nix-eval-jobs.cc b/src/nix-eval-jobs.cc
treefmt-check> index c4c9081..7b2be0f 100644
treefmt-check> --- a/src/nix-eval-jobs.cc
treefmt-check> +++ b/src/nix-eval-jobs.cc
treefmt-check> @@ -37,8 +37,8 @@
treefmt-check>  #include <nix/util/users.hh>
treefmt-check>  #include <nix/util/util.hh>
treefmt-check>  #ifdef __linux__
treefmt-check> -#  include <sched.h>
treefmt-check> -#  include <nix/util/linux-namespaces.hh>
treefmt-check> +#include <sched.h>
treefmt-check> +#include <nix/util/linux-namespaces.hh>
treefmt-check>  #endif
treefmt-check>  #include <sys/signal.h>
treefmt-check>  #include <variant>
treefmt-check> @@ -539,8 +539,9 @@ auto main(int argc, char **argv) -> int {
treefmt-check>                  if (unshare(CLONE_NEWNS) == -1) {
treefmt-check>                      throw nix::SysError("setting up a private mount namespace");
treefmt-check>                  }
treefmt-check> -            } catch (nix::Error & e) {
treefmt-check> -                nix::warn("failed to set up a private mount namespace: %s", e.msg());
treefmt-check> +            } catch (nix::Error &e) {
treefmt-check> +                nix::warn("failed to set up a private mount namespace: %s",
treefmt-check> +                          e.msg());
treefmt-check>              }
treefmt-check>          }
treefmt-check>  #endif
error: build of '/nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/c9c6rkn0pr9dwv1946m9iy8gnb38ds08-treefmt-check
       Last 25 log lines:
       > --- a/src/nix-eval-jobs.cc
       > +++ b/src/nix-eval-jobs.cc
       > @@ -37,8 +37,8 @@
       >  #include <nix/util/users.hh>
       >  #include <nix/util/util.hh>
       >  #ifdef __linux__
       > -#  include <sched.h>
       > -#  include <nix/util/linux-namespaces.hh>
       > +#include <sched.h>
       > +#include <nix/util/linux-namespaces.hh>
       >  #endif
       >  #include <sys/signal.h>
       >  #include <variant>
       > @@ -539,8 +539,9 @@ auto main(int argc, char **argv) -> int {
       >                  if (unshare(CLONE_NEWNS) == -1) {
       >                      throw nix::SysError("setting up a private mount namespace");
       >                  }
       > -            } catch (nix::Error & e) {
       > -                nix::warn("failed to set up a private mount namespace: %s", e.msg());
       > +            } catch (nix::Error &e) {
       > +                nix::warn("failed to set up a private mount namespace: %s",
       > +                          e.msg());
       >              }
       >          }
       >  #endif
       For full logs, run:
         nix log /nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv
error: Cannot build '/nix/store/07vl0a1pw6fngxc1dsxypmbsgsci4rx1-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/c9c6rkn0pr9dwv1946m9iy8gnb38ds08-treefmt-check