[INFO] fetching crate regalloc2 0.13.1...
[INFO] checking regalloc2-0.13.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate regalloc2 0.13.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate regalloc2 0.13.1
[INFO] finished tweaking crates.io crate regalloc2 0.13.1
[INFO] tweaked toml for crates.io crate regalloc2 0.13.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regalloc2 0.13.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regalloc2 0.13.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.1.3
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 175e05bfaf197079e6a1f8d80c671db472b73db3e6e0f5f5260ef47836b28166
[INFO] running `Command { std: "docker" "start" "-a" "175e05bfaf197079e6a1f8d80c671db472b73db3e6e0f5f5260ef47836b28166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "175e05bfaf197079e6a1f8d80c671db472b73db3e6e0f5f5260ef47836b28166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175e05bfaf197079e6a1f8d80c671db472b73db3e6e0f5f5260ef47836b28166", kill_on_drop: false }`
[INFO] [stdout] 175e05bfaf197079e6a1f8d80c671db472b73db3e6e0f5f5260ef47836b28166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629afc38a44bc46d32db9ba1a8b8257b4a591611a67b3c439fb86610be26b33c
[INFO] running `Command { std: "docker" "start" "-a" "629afc38a44bc46d32db9ba1a8b8257b4a591611a67b3c439fb86610be26b33c", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking regalloc2 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "629afc38a44bc46d32db9ba1a8b8257b4a591611a67b3c439fb86610be26b33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629afc38a44bc46d32db9ba1a8b8257b4a591611a67b3c439fb86610be26b33c", kill_on_drop: false }`
[INFO] [stdout] 629afc38a44bc46d32db9ba1a8b8257b4a591611a67b3c439fb86610be26b33c