[INFO] fetching crate rayon 1.5.3...
[INFO] testing rayon-1.5.3 against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] extracting crate rayon 1.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rayon 1.5.3 on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rayon 1.5.3
[INFO] finished tweaking crates.io crate rayon 1.5.3
[INFO] tweaked toml for crates.io crate rayon 1.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rayon 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded syn v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ff7931e5aee4713db9e7339762e44636fcb85bc89ddb448b3b1e9575afb11e
[INFO] running `Command { std: "docker" "start" "-a" "d2ff7931e5aee4713db9e7339762e44636fcb85bc89ddb448b3b1e9575afb11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ff7931e5aee4713db9e7339762e44636fcb85bc89ddb448b3b1e9575afb11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ff7931e5aee4713db9e7339762e44636fcb85bc89ddb448b3b1e9575afb11e", kill_on_drop: false }`
[INFO] [stdout] d2ff7931e5aee4713db9e7339762e44636fcb85bc89ddb448b3b1e9575afb11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0eb3950a1913f8eed2b1c7993947a4f7e8f4a1c5582f8cacddda7c71b4bcb0e
[INFO] running `Command { std: "docker" "start" "-a" "c0eb3950a1913f8eed2b1c7993947a4f7e8f4a1c5582f8cacddda7c71b4bcb0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "c0eb3950a1913f8eed2b1c7993947a4f7e8f4a1c5582f8cacddda7c71b4bcb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eb3950a1913f8eed2b1c7993947a4f7e8f4a1c5582f8cacddda7c71b4bcb0e", kill_on_drop: false }`
[INFO] [stdout] c0eb3950a1913f8eed2b1c7993947a4f7e8f4a1c5582f8cacddda7c71b4bcb0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4bd47acac9adb36f31a14fd09718fa89ab6c7c5a300ba462214da7f1a66060
[INFO] running `Command { std: "docker" "start" "-a" "0e4bd47acac9adb36f31a14fd09718fa89ab6c7c5a300ba462214da7f1a66060", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling rayon v1.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rayon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rayon --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=0bc5b792f19b80da -C extra-filename=-0bc5b792f19b80da --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-009a801d643468af.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-4ea4e785eba1a5b7.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-8ed8bc54e89b5c30.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-bd31626d08258536.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-9ae5ca696867fe14.rlib --extern rayon_core=/opt/rustwide/target/debug/deps/librayon_core-b0a2c1b74449847d.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-77d296e2003260c0.rlib --cap-lints=forbid --cfg has_step_by_rev --cfg has_min_const_generics --cfg has_control_flow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e4bd47acac9adb36f31a14fd09718fa89ab6c7c5a300ba462214da7f1a66060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4bd47acac9adb36f31a14fd09718fa89ab6c7c5a300ba462214da7f1a66060", kill_on_drop: false }`
[INFO] [stdout] 0e4bd47acac9adb36f31a14fd09718fa89ab6c7c5a300ba462214da7f1a66060