[INFO] cloning repository https://github.com/o1810156/par_quick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/o1810156/par_quick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo1810156%2Fpar_quick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo1810156%2Fpar_quick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 666b1300314d38b2fbab0db0f87458b8d844951a
[INFO] checking o1810156/par_quick against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo1810156%2Fpar_quick" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/o1810156/par_quick on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/o1810156/par_quick
[INFO] finished tweaking git repo https://github.com/o1810156/par_quick
[INFO] tweaked toml for git repo https://github.com/o1810156/par_quick written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/o1810156/par_quick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1f6557555a86e229e955804e2b30ee828314896983f012347b39377116663e5
[INFO] running `Command { std: "docker" "start" "-a" "b1f6557555a86e229e955804e2b30ee828314896983f012347b39377116663e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f6557555a86e229e955804e2b30ee828314896983f012347b39377116663e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f6557555a86e229e955804e2b30ee828314896983f012347b39377116663e5", kill_on_drop: false }`
[INFO] [stdout] b1f6557555a86e229e955804e2b30ee828314896983f012347b39377116663e5
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7ad045dd544d70631b5e09610ae9a68bea3d14b5f918d7ac7a64e08d96bcbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c7ad045dd544d70631b5e09610ae9a68bea3d14b5f918d7ac7a64e08d96bcbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking par_quick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.14s
[INFO] running `Command { std: "docker" "inspect" "7c7ad045dd544d70631b5e09610ae9a68bea3d14b5f918d7ac7a64e08d96bcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7ad045dd544d70631b5e09610ae9a68bea3d14b5f918d7ac7a64e08d96bcbb", kill_on_drop: false }`
[INFO] [stdout] 7c7ad045dd544d70631b5e09610ae9a68bea3d14b5f918d7ac7a64e08d96bcbb