[INFO] cloning repository https://github.com/jebrosen/async-file-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jebrosen/async-file-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Fasync-file-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Fasync-file-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c92a2299b9f0d92ecdd4c972559f327076c89b5f
[INFO] checking jebrosen/async-file-benchmark against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjebrosen%2Fasync-file-benchmark" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jebrosen/async-file-benchmark on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jebrosen/async-file-benchmark
[INFO] finished tweaking git repo https://github.com/jebrosen/async-file-benchmark
[INFO] tweaked toml for git repo https://github.com/jebrosen/async-file-benchmark written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jebrosen/async-file-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d909669a228c1801466bdd76c31181e92e546239b31e6c4c7968c62c401d3d
[INFO] running `Command { std: "docker" "start" "-a" "e4d909669a228c1801466bdd76c31181e92e546239b31e6c4c7968c62c401d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d909669a228c1801466bdd76c31181e92e546239b31e6c4c7968c62c401d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d909669a228c1801466bdd76c31181e92e546239b31e6c4c7968c62c401d3d", kill_on_drop: false }`
[INFO] [stdout] e4d909669a228c1801466bdd76c31181e92e546239b31e6c4c7968c62c401d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3d12272fb3d22339c067e372bdc9062017369ecb9b588b0b0d1de2e7b85f31
[INFO] running `Command { std: "docker" "start" "-a" "3c3d12272fb3d22339c067e372bdc9062017369ecb9b588b0b0d1de2e7b85f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.1
[INFO] [stderr]     Checking async-file-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.40s
[INFO] running `Command { std: "docker" "inspect" "3c3d12272fb3d22339c067e372bdc9062017369ecb9b588b0b0d1de2e7b85f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3d12272fb3d22339c067e372bdc9062017369ecb9b588b0b0d1de2e7b85f31", kill_on_drop: false }`
[INFO] [stdout] 3c3d12272fb3d22339c067e372bdc9062017369ecb9b588b0b0d1de2e7b85f31