[INFO] cloning repository https://github.com/jaketreacher/rust-independent-threadpool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaketreacher/rust-independent-threadpool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaketreacher%2Frust-independent-threadpool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaketreacher%2Frust-independent-threadpool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fe3d532b9913a8d79f019e52c6792abdc52822a
[INFO] checking jaketreacher/rust-independent-threadpool against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaketreacher%2Frust-independent-threadpool" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaketreacher/rust-independent-threadpool on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaketreacher/rust-independent-threadpool
[INFO] finished tweaking git repo https://github.com/jaketreacher/rust-independent-threadpool
[INFO] tweaked toml for git repo https://github.com/jaketreacher/rust-independent-threadpool written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaketreacher/rust-independent-threadpool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40f6de4b9d2772d9983a00b2bd1a4aa90d78f40ac82f07a05bd8dabbdfbaaf3f
[INFO] running `Command { std: "docker" "start" "-a" "40f6de4b9d2772d9983a00b2bd1a4aa90d78f40ac82f07a05bd8dabbdfbaaf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f6de4b9d2772d9983a00b2bd1a4aa90d78f40ac82f07a05bd8dabbdfbaaf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f6de4b9d2772d9983a00b2bd1a4aa90d78f40ac82f07a05bd8dabbdfbaaf3f", kill_on_drop: false }`
[INFO] [stdout] 40f6de4b9d2772d9983a00b2bd1a4aa90d78f40ac82f07a05bd8dabbdfbaaf3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef4e38c056f9e28ea777687543f03ab48df06e6ea32b0b785768de81c47516e
[INFO] running `Command { std: "docker" "start" "-a" "fef4e38c056f9e28ea777687543f03ab48df06e6ea32b0b785768de81c47516e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.0
[INFO] [stderr]     Checking playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "fef4e38c056f9e28ea777687543f03ab48df06e6ea32b0b785768de81c47516e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef4e38c056f9e28ea777687543f03ab48df06e6ea32b0b785768de81c47516e", kill_on_drop: false }`
[INFO] [stdout] fef4e38c056f9e28ea777687543f03ab48df06e6ea32b0b785768de81c47516e