[INFO] fetching crate crossbeam-channel 0.5.5...
[INFO] checking crossbeam-channel-0.5.5 against master#a09c668c965f735f4cd59e7158662b9daa0b71ba for pr-98370
[INFO] extracting crate crossbeam-channel 0.5.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.5.5 on toolchain a09c668c965f735f4cd59e7158662b9daa0b71ba
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossbeam-channel 0.5.5
[INFO] finished tweaking crates.io crate crossbeam-channel 0.5.5
[INFO] tweaked toml for crates.io crate crossbeam-channel 0.5.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-channel 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.9
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4844a75559bc7b823ab194a67cbf078f8f281933e150fa0fff6da835f0862a5
[INFO] running `Command { std: "docker" "start" "-a" "a4844a75559bc7b823ab194a67cbf078f8f281933e150fa0fff6da835f0862a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4844a75559bc7b823ab194a67cbf078f8f281933e150fa0fff6da835f0862a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4844a75559bc7b823ab194a67cbf078f8f281933e150fa0fff6da835f0862a5", kill_on_drop: false }`
[INFO] [stdout] a4844a75559bc7b823ab194a67cbf078f8f281933e150fa0fff6da835f0862a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+a09c668c965f735f4cd59e7158662b9daa0b71ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c280046343cf86de075788ed7589d118f5dc9452311be716791e047b253bd5
[INFO] running `Command { std: "docker" "start" "-a" "51c280046343cf86de075788ed7589d118f5dc9452311be716791e047b253bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "51c280046343cf86de075788ed7589d118f5dc9452311be716791e047b253bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c280046343cf86de075788ed7589d118f5dc9452311be716791e047b253bd5", kill_on_drop: false }`
[INFO] [stdout] 51c280046343cf86de075788ed7589d118f5dc9452311be716791e047b253bd5