[INFO] fetching crate i-dunno 1.0.0...
[INFO] checking i-dunno-1.0.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate i-dunno 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate i-dunno 1.0.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i-dunno 1.0.0
[INFO] finished tweaking crates.io crate i-dunno 1.0.0
[INFO] tweaked toml for crates.io crate i-dunno 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate i-dunno 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff198bf43107d9502d37aed78a6c6d860f005c99102d88d8284c814268968a0b
[INFO] running `Command { std: "docker" "start" "-a" "ff198bf43107d9502d37aed78a6c6d860f005c99102d88d8284c814268968a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff198bf43107d9502d37aed78a6c6d860f005c99102d88d8284c814268968a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff198bf43107d9502d37aed78a6c6d860f005c99102d88d8284c814268968a0b", kill_on_drop: false }`
[INFO] [stdout] ff198bf43107d9502d37aed78a6c6d860f005c99102d88d8284c814268968a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d739671ac028eb4d35e692c5afa7fb1b0263aecdeb335f1c814494d70c65ce
[INFO] running `Command { std: "docker" "start" "-a" "c3d739671ac028eb4d35e692c5afa7fb1b0263aecdeb335f1c814494d70c65ce", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-block v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking i-dunno v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.96s
[INFO] running `Command { std: "docker" "inspect" "c3d739671ac028eb4d35e692c5afa7fb1b0263aecdeb335f1c814494d70c65ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d739671ac028eb4d35e692c5afa7fb1b0263aecdeb335f1c814494d70c65ce", kill_on_drop: false }`
[INFO] [stdout] c3d739671ac028eb4d35e692c5afa7fb1b0263aecdeb335f1c814494d70c65ce