[INFO] cloning repository https://github.com/vjancik/mio_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjancik/mio_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Fmio_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Fmio_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71105336d4b6a95032c697c010dcf5cedba37d3b
[INFO] checking vjancik/mio_playground against eff8269f797067c30555e77f160ec84c0ed15cd9 for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Fmio_playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vjancik/mio_playground
[INFO] finished tweaking git repo https://github.com/vjancik/mio_playground
[INFO] tweaked toml for git repo https://github.com/vjancik/mio_playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vjancik/mio_playground on toolchain eff8269f797067c30555e77f160ec84c0ed15cd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vjancik/mio_playground 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" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded signal-hook v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28
[INFO] running `Command { std: "docker" "start" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28" "/opt/rustwide/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28" "/opt/rustwide/cargo-home/bin/cargo" "+eff8269f797067c30555e77f160ec84c0ed15cd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling signal-hook v0.3.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28", kill_on_drop: false }`
[INFO] [stdout] 68fcea21ecb8ce29be285798237746dd1ea02bfebfb19cf38d54251690613a28
