this derivation will be built:
  /nix/store/vmcliyzmr22wv9v6ccmw64jx2b9a29hi-nix-ld.drv
building '/nix/store/vmcliyzmr22wv9v6ccmw64jx2b9a29hi-nix-ld.drv'
nix-ld> tribuchet: building on eliza
nix-ld> Running phase: unpackPhase
nix-ld> unpacking source archive /nix/store/kcvv9asjdqp56akl5l0ybpr6p208gv1v-source
nix-ld> source root is source
nix-ld> Executing cargoSetupPostUnpackHook
nix-ld> Finished cargoSetupPostUnpackHook
nix-ld> Running phase: patchPhase
nix-ld> Executing cargoSetupPostPatchHook
nix-ld> Validating consistency between /build/source/Cargo.lock and /build/cargo-vendor-dir/Cargo.lock
nix-ld> Finished cargoSetupPostPatchHook
nix-ld> Running phase: installPhase
nix-ld>    Compiling find-msvc-tools v0.1.14
nix-ld>    Compiling shlex v2.0.1
nix-ld>    Compiling heapless v0.9.3
nix-ld>     Checking byteorder v1.5.0
nix-ld>     Checking scroll v0.13.0
nix-ld>     Checking plain v0.2.3
nix-ld>     Checking stable_deref_trait v1.2.0
nix-ld>     Checking linux-raw-sys v0.12.1
nix-ld>     Checking embedded-io v0.6.1
nix-ld>     Checking log v0.4.34
nix-ld>    Compiling cc v1.5.1
nix-ld>     Checking hash32 v0.3.1
nix-ld>     Checking goblin v0.10.7
nix-ld>    Compiling nix-ld v2.0.6 (/build/source)
nix-ld> error: unused import: `heapless::format`
nix-ld>   --> src/main.rs:27:5
nix-ld>    |
nix-ld> 27 | use heapless::format;
nix-ld>    |     ^^^^^^^^^^^^^^^^
nix-ld>    |
nix-ld>    = note: `-D unused-imports` implied by `-D warnings`
nix-ld>    = help: to override `-D warnings` add `#[allow(unused_imports)]`
nix-ld> 
nix-ld> error: variables can be used directly in the `format!` string
nix-ld>    --> src/main.rs:191:13
nix-ld>     |
nix-ld> 191 | /             log::error!("Unable to open the original loader at {:?}: {:?}.\nCheck if your NIX_LD environment variable is set correctly.", 
nix-ld> 192 | |             nix_ld,
nix-ld> 193 | |             err);
nix-ld>     | |________________^
nix-ld>     |
nix-ld>     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
nix-ld>     = note: `-D clippy::uninlined-format-args` implied by `-D warnings`
nix-ld>     = help: to override `-D warnings` add `#[allow(clippy::uninlined_format_args)]`
nix-ld> 
nix-ld> error: could not compile `nix-ld` (bin "nix-ld") due to 2 previous errors
error: Cannot build '/nix/store/vmcliyzmr22wv9v6ccmw64jx2b9a29hi-nix-ld.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/j2xia31h7b0w9khn45vkw18zhdybcxjq-nix-ld
       Last 25 log lines:
       >     Checking hash32 v0.3.1
       >     Checking goblin v0.10.7
       >    Compiling nix-ld v2.0.6 (/build/source)
       > error: unused import: `heapless::format`
       >   --> src/main.rs:27:5
       >    |
       > 27 | use heapless::format;
       >    |     ^^^^^^^^^^^^^^^^
       >    |
       >    = note: `-D unused-imports` implied by `-D warnings`
       >    = help: to override `-D warnings` add `#[allow(unused_imports)]`
       >
       > error: variables can be used directly in the `format!` string
       >    --> src/main.rs:191:13
       >     |
       > 191 | /             log::error!("Unable to open the original loader at {:?}: {:?}.\nCheck if your NIX_LD environment variable is set correctly.",
       > 192 | |             nix_ld,
       > 193 | |             err);
       >     | |________________^
       >     |
       >     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
       >     = note: `-D clippy::uninlined-format-args` implied by `-D warnings`
       >     = help: to override `-D warnings` add `#[allow(clippy::uninlined_format_args)]`
       >
       > error: could not compile `nix-ld` (bin "nix-ld") due to 2 previous errors
       For full logs, run:
         nix log /nix/store/vmcliyzmr22wv9v6ccmw64jx2b9a29hi-nix-ld.drv