[INFO] fetching crate crossbeam-channel 0.5.1...
[INFO] checking crossbeam-channel-0.5.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate crossbeam-channel 0.5.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.5.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossbeam-channel 0.5.1
[INFO] finished tweaking crates.io crate crossbeam-channel 0.5.1
[INFO] tweaked toml for crates.io crate crossbeam-channel 0.5.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-channel 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e91c23e92cb05660c71ba2c70229062b0f027645d986688ed1e4bbec22ef66
[INFO] running `Command { std: "docker" "start" "-a" "50e91c23e92cb05660c71ba2c70229062b0f027645d986688ed1e4bbec22ef66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e91c23e92cb05660c71ba2c70229062b0f027645d986688ed1e4bbec22ef66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e91c23e92cb05660c71ba2c70229062b0f027645d986688ed1e4bbec22ef66", kill_on_drop: false }`
[INFO] [stdout] 50e91c23e92cb05660c71ba2c70229062b0f027645d986688ed1e4bbec22ef66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b12c2b8c2d2face48c1ef1c512b93e80aa39d721e4dd732e1ebaa7bb561da30
[INFO] running `Command { std: "docker" "start" "-a" "6b12c2b8c2d2face48c1ef1c512b93e80aa39d721e4dd732e1ebaa7bb561da30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "6b12c2b8c2d2face48c1ef1c512b93e80aa39d721e4dd732e1ebaa7bb561da30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12c2b8c2d2face48c1ef1c512b93e80aa39d721e4dd732e1ebaa7bb561da30", kill_on_drop: false }`
[INFO] [stdout] 6b12c2b8c2d2face48c1ef1c512b93e80aa39d721e4dd732e1ebaa7bb561da30