[INFO] fetching crate rhymuproc 1.1.2...
[INFO] checking rhymuproc-1.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rhymuproc 1.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rhymuproc 1.1.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhymuproc 1.1.2
[INFO] finished tweaking crates.io crate rhymuproc 1.1.2
[INFO] tweaked toml for crates.io crate rhymuproc 1.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rhymuproc 1.1.2 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50dc531f42de3af8731631f5cbde49ec946da0be24b4ee61ee047d3a15db4376
[INFO] running `Command { std: "docker" "start" "-a" "50dc531f42de3af8731631f5cbde49ec946da0be24b4ee61ee047d3a15db4376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50dc531f42de3af8731631f5cbde49ec946da0be24b4ee61ee047d3a15db4376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50dc531f42de3af8731631f5cbde49ec946da0be24b4ee61ee047d3a15db4376", kill_on_drop: false }`
[INFO] [stdout] 50dc531f42de3af8731631f5cbde49ec946da0be24b4ee61ee047d3a15db4376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db2210eccb753d5542afb423114eab0848da8c4b4c90f79db510f8af0f0b205
[INFO] running `Command { std: "docker" "start" "-a" "0db2210eccb753d5542afb423114eab0848da8c4b4c90f79db510f8af0f0b205", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rhymuproc v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stdout] warning: struct `proc_fdinfo` is never constructed
[INFO] [stdout]   --> bin/mock_subprocess.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct proc_fdinfo {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `proc_fdinfo` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `proc_fdinfo` is never constructed
[INFO] [stdout]   --> bin/mock_subprocess.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct proc_fdinfo {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `proc_fdinfo` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "0db2210eccb753d5542afb423114eab0848da8c4b4c90f79db510f8af0f0b205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db2210eccb753d5542afb423114eab0848da8c4b4c90f79db510f8af0f0b205", kill_on_drop: false }`
[INFO] [stdout] 0db2210eccb753d5542afb423114eab0848da8c4b4c90f79db510f8af0f0b205