[INFO] fetching crate komorebi-switcher 0.0.0...
[INFO] checking komorebi-switcher-0.0.0 against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] extracting crate komorebi-switcher 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate komorebi-switcher 0.0.0 on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate komorebi-switcher 0.0.0
[INFO] finished tweaking crates.io crate komorebi-switcher 0.0.0
[INFO] tweaked toml for crates.io crate komorebi-switcher 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate komorebi-switcher 0.0.0 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17e8ff17aa4856c30810e78b972d03ea9b747893b9482e9e7abd38ca6b4cb55e
[INFO] running `Command { std: "docker" "start" "-a" "17e8ff17aa4856c30810e78b972d03ea9b747893b9482e9e7abd38ca6b4cb55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17e8ff17aa4856c30810e78b972d03ea9b747893b9482e9e7abd38ca6b4cb55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e8ff17aa4856c30810e78b972d03ea9b747893b9482e9e7abd38ca6b4cb55e", kill_on_drop: false }`
[INFO] [stdout] 17e8ff17aa4856c30810e78b972d03ea9b747893b9482e9e7abd38ca6b4cb55e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea82bf74aafbebd205e94629321c71caa37d0b33afcb203761454edbe21bfbc8
[INFO] running `Command { std: "docker" "start" "-a" "ea82bf74aafbebd205e94629321c71caa37d0b33afcb203761454edbe21bfbc8", kill_on_drop: false }`
[INFO] [stderr]     Checking komorebi-switcher v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "ea82bf74aafbebd205e94629321c71caa37d0b33afcb203761454edbe21bfbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea82bf74aafbebd205e94629321c71caa37d0b33afcb203761454edbe21bfbc8", kill_on_drop: false }`
[INFO] [stdout] ea82bf74aafbebd205e94629321c71caa37d0b33afcb203761454edbe21bfbc8