[INFO] cloning repository https://github.com/DeterminateSystems/nix-netboot-serve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeterminateSystems/nix-netboot-serve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeterminateSystems%2Fnix-netboot-serve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeterminateSystems%2Fnix-netboot-serve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3b73862ee92b56b71cfc0445e3eefe6254f0408
[INFO] checking DeterminateSystems/nix-netboot-serve against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeterminateSystems%2Fnix-netboot-serve" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DeterminateSystems/nix-netboot-serve
[INFO] finished tweaking git repo https://github.com/DeterminateSystems/nix-netboot-serve
[INFO] tweaked toml for git repo https://github.com/DeterminateSystems/nix-netboot-serve written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DeterminateSystems/nix-netboot-serve on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DeterminateSystems/nix-netboot-serve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlimit v0.6.2
[INFO] [stderr]   Downloaded nix-cpio-generator v0.3.3
[INFO] [stderr]   Downloaded cpio v0.2.2
[INFO] [stderr]   Downloaded tokio v1.43.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29ef125c24971ee1b0b91023ff2649d0af3c659b72d82c4db4ed691c453ca2ff
[INFO] running `Command { std: "docker" "start" "-a" "29ef125c24971ee1b0b91023ff2649d0af3c659b72d82c4db4ed691c453ca2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ef125c24971ee1b0b91023ff2649d0af3c659b72d82c4db4ed691c453ca2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ef125c24971ee1b0b91023ff2649d0af3c659b72d82c4db4ed691c453ca2ff", kill_on_drop: false }`
[INFO] [stdout] 29ef125c24971ee1b0b91023ff2649d0af3c659b72d82c4db4ed691c453ca2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abdbc828065e10ffb8de7955476b998370ccf50dedc17ba035c8833cffad366
[INFO] running `Command { std: "docker" "start" "-a" "6abdbc828065e10ffb8de7955476b998370ccf50dedc17ba035c8833cffad366", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]    Compiling nix-cpio-generator v0.3.3
[INFO] [stderr]     Checking cpio v0.2.2
[INFO] [stderr]    Compiling nix-netboot-serve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> build.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FindErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 66 -     Io(std::io::Error),
[INFO] [stdout] 66 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> build.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |     NotUtf8(std::string::FromUtf8Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FindErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 67 -     NotUtf8(std::string::FromUtf8Error),
[INFO] [stdout] 67 +     NotUtf8(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> build.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Missing(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FindErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 68 -     Missing(String),
[INFO] [stdout] 68 +     Missing(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr] error: failed to run custom build command for `nix-cpio-generator v0.3.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nix-cpio-generator-71e736592832814b/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Trying to find "nix-store"...
[INFO] [stderr]   Error: Missing("nix-store")
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6abdbc828065e10ffb8de7955476b998370ccf50dedc17ba035c8833cffad366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abdbc828065e10ffb8de7955476b998370ccf50dedc17ba035c8833cffad366", kill_on_drop: false }`
[INFO] [stdout] 6abdbc828065e10ffb8de7955476b998370ccf50dedc17ba035c8833cffad366
