[INFO] fetching crate timely 0.12.0...
[INFO] testing timely-0.12.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate timely 0.12.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate timely 0.12.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timely 0.12.0
[INFO] finished tweaking crates.io crate timely 0.12.0
[INFO] tweaked toml for crates.io crate timely 0.12.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate timely 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] [stderr]   Downloaded timely_communication v0.12.0
[INFO] [stderr]   Downloaded timely_logging v0.12.0
[INFO] [stderr]   Downloaded abomonation_derive v0.5.0
[INFO] [stderr]   Downloaded timely_bytes v0.12.0
[INFO] [stderr]   Downloaded abomonation v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfdfac80a24aa7f7e9c38ff224240ca5392b29c314d977f44562642739fb531
[INFO] running `Command { std: "docker" "start" "-a" "bcfdfac80a24aa7f7e9c38ff224240ca5392b29c314d977f44562642739fb531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfdfac80a24aa7f7e9c38ff224240ca5392b29c314d977f44562642739fb531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfdfac80a24aa7f7e9c38ff224240ca5392b29c314d977f44562642739fb531", kill_on_drop: false }`
[INFO] [stdout] bcfdfac80a24aa7f7e9c38ff224240ca5392b29c314d977f44562642739fb531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4b01b70d93a80c4d41b76a89da823013469ba8e4e8c38fe100313ebf0e6fab
[INFO] running `Command { std: "docker" "start" "-a" "7e4b01b70d93a80c4d41b76a89da823013469ba8e4e8c38fe100313ebf0e6fab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling timely_bytes v0.12.0
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_logging v0.12.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling timely_communication v0.12.0
[INFO] [stderr]    Compiling timely v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.20s
[INFO] running `Command { std: "docker" "inspect" "7e4b01b70d93a80c4d41b76a89da823013469ba8e4e8c38fe100313ebf0e6fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4b01b70d93a80c4d41b76a89da823013469ba8e4e8c38fe100313ebf0e6fab", kill_on_drop: false }`
[INFO] [stdout] 7e4b01b70d93a80c4d41b76a89da823013469ba8e4e8c38fe100313ebf0e6fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7426f457d05e8c7fc7468b8fc878adcb545f7d9679589541fcae5bb244708bc
[INFO] running `Command { std: "docker" "start" "-a" "e7426f457d05e8c7fc7468b8fc878adcb545f7d9679589541fcae5bb244708bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling timely v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `timely`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name barrier --edition=2018 tests/barrier.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="getopts"' --cfg 'feature="getopts-dep"' -C metadata=e68698cfd0bb2db2 -C extra-filename=-e68698cfd0bb2db2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-1d056abc1b6adb15.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-6bc42312fb4ac273.so --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-133b100937091cc6.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-beab393c81f667af.rlib --extern getopts_dep=/opt/rustwide/target/debug/deps/libgetopts-ffe37d646c4ac1c7.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-cc4f3462d1aada8b.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-6b23594ea18642fe.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b80ebf68476d0259.so --extern timely=/opt/rustwide/target/debug/deps/libtimely-64d3152429832165.rlib --extern timely_bytes=/opt/rustwide/target/debug/deps/libtimely_bytes-99b56bdf8de35e01.rlib --extern timely_communication=/opt/rustwide/target/debug/deps/libtimely_communication-d36b7b005c1c7444.rlib --extern timely_logging=/opt/rustwide/target/debug/deps/libtimely_logging-98f4cd448a933d92.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e7426f457d05e8c7fc7468b8fc878adcb545f7d9679589541fcae5bb244708bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7426f457d05e8c7fc7468b8fc878adcb545f7d9679589541fcae5bb244708bc", kill_on_drop: false }`
[INFO] [stdout] e7426f457d05e8c7fc7468b8fc878adcb545f7d9679589541fcae5bb244708bc