[INFO] fetching crate piow 0.3.0...
[INFO] checking piow-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate piow 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate piow 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piow 0.3.0
[INFO] finished tweaking crates.io crate piow 0.3.0
[INFO] tweaked toml for crates.io crate piow 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate piow 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca5f03640769f5e2070528618f04b75f213ac705d97eadccf9524e4401ee3ec2
[INFO] running `Command { std: "docker" "start" "-a" "ca5f03640769f5e2070528618f04b75f213ac705d97eadccf9524e4401ee3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5f03640769f5e2070528618f04b75f213ac705d97eadccf9524e4401ee3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5f03640769f5e2070528618f04b75f213ac705d97eadccf9524e4401ee3ec2", kill_on_drop: false }`
[INFO] [stdout] ca5f03640769f5e2070528618f04b75f213ac705d97eadccf9524e4401ee3ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b6f0cd4e20c408b090e8656a1db5a200566cbd4b608065860fbda9adf4735e
[INFO] running `Command { std: "docker" "start" "-a" "72b6f0cd4e20c408b090e8656a1db5a200566cbd4b608065860fbda9adf4735e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking signal-hook v0.3.10
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking swayipc-types v1.0.0-alpha.3
[INFO] [stderr]     Checking swayipc-async v2.0.0-alpha.3
[INFO] [stderr]     Checking piow v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.45s
[INFO] running `Command { std: "docker" "inspect" "72b6f0cd4e20c408b090e8656a1db5a200566cbd4b608065860fbda9adf4735e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b6f0cd4e20c408b090e8656a1db5a200566cbd4b608065860fbda9adf4735e", kill_on_drop: false }`
[INFO] [stdout] 72b6f0cd4e20c408b090e8656a1db5a200566cbd4b608065860fbda9adf4735e