[INFO] fetching crate crossbeam-channel 0.5.4...
[INFO] testing crossbeam-channel-0.5.4 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate crossbeam-channel 0.5.4 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate crossbeam-channel 0.5.4 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossbeam-channel 0.5.4
[INFO] finished tweaking crates.io crate crossbeam-channel 0.5.4
[INFO] tweaked toml for crates.io crate crossbeam-channel 0.5.4 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-channel 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] becde5e664b53688416e8094ee9e1fa62bf34ec1b6edce9abb9d85e03c640c6e
[INFO] running `Command { std: "docker" "start" "-a" "becde5e664b53688416e8094ee9e1fa62bf34ec1b6edce9abb9d85e03c640c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becde5e664b53688416e8094ee9e1fa62bf34ec1b6edce9abb9d85e03c640c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becde5e664b53688416e8094ee9e1fa62bf34ec1b6edce9abb9d85e03c640c6e", kill_on_drop: false }`
[INFO] [stdout] becde5e664b53688416e8094ee9e1fa62bf34ec1b6edce9abb9d85e03c640c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06ee7a4bcc63df2c55eb4fc28e0d17ab774f3616c52bd2d4fd5f670da79ee8b
[INFO] running `Command { std: "docker" "start" "-a" "f06ee7a4bcc63df2c55eb4fc28e0d17ab774f3616c52bd2d4fd5f670da79ee8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "f06ee7a4bcc63df2c55eb4fc28e0d17ab774f3616c52bd2d4fd5f670da79ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06ee7a4bcc63df2c55eb4fc28e0d17ab774f3616c52bd2d4fd5f670da79ee8b", kill_on_drop: false }`
[INFO] [stdout] f06ee7a4bcc63df2c55eb4fc28e0d17ab774f3616c52bd2d4fd5f670da79ee8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab43b19c216720c969230398f3cca4e0d91be03ecff2a36f82eff1aa5c8e905
[INFO] running `Command { std: "docker" "start" "-a" "9ab43b19c216720c969230398f3cca4e0d91be03ecff2a36f82eff1aa5c8e905", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `crossbeam-channel`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name list --edition=2018 tests/list.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=567312089838a4c2 -C extra-filename=-567312089838a4c2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-374764e955763285.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-2bd2e15bcad54a63.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4fbc86513e8b20b3.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1269010825978ad5.rlib --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-b691ebbc90a99da6.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `crossbeam-channel`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name golang --edition=2018 tests/golang.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=a33e88a64f02a055 -C extra-filename=-a33e88a64f02a055 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-374764e955763285.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-2bd2e15bcad54a63.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4fbc86513e8b20b3.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1269010825978ad5.rlib --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-b691ebbc90a99da6.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9ab43b19c216720c969230398f3cca4e0d91be03ecff2a36f82eff1aa5c8e905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab43b19c216720c969230398f3cca4e0d91be03ecff2a36f82eff1aa5c8e905", kill_on_drop: false }`
[INFO] [stdout] 9ab43b19c216720c969230398f3cca4e0d91be03ecff2a36f82eff1aa5c8e905