[INFO] fetching crate undither 1.0.6...
[INFO] checking undither-1.0.6 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate undither 1.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate undither 1.0.6 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate undither 1.0.6
[INFO] finished tweaking crates.io crate undither 1.0.6
[INFO] tweaked toml for crates.io crate undither 1.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate undither 1.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded loop9 v0.1.3
[INFO] [stderr]   Downloaded vpsearch v2.0.1
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded imgref v1.7.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded lodepng v3.2.2
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded libc v0.2.72
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fe93d4307d734c483427b864014a86d48e1a393865ed74641411b1b2dd38e82
[INFO] running `Command { std: "docker" "start" "-a" "8fe93d4307d734c483427b864014a86d48e1a393865ed74641411b1b2dd38e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe93d4307d734c483427b864014a86d48e1a393865ed74641411b1b2dd38e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe93d4307d734c483427b864014a86d48e1a393865ed74641411b1b2dd38e82", kill_on_drop: false }`
[INFO] [stdout] 8fe93d4307d734c483427b864014a86d48e1a393865ed74641411b1b2dd38e82
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 036d736149722f21a5b4210a8cce967ba0afe7b8c8e8aeaeef7c823324cc7bac
[INFO] running `Command { std: "docker" "start" "-a" "036d736149722f21a5b4210a8cce967ba0afe7b8c8e8aeaeef7c823324cc7bac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking imgref v1.7.1
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking loop9 v0.1.3
[INFO] [stderr]     Checking vpsearch v2.0.1
[INFO] [stderr]     Checking undither v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "036d736149722f21a5b4210a8cce967ba0afe7b8c8e8aeaeef7c823324cc7bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036d736149722f21a5b4210a8cce967ba0afe7b8c8e8aeaeef7c823324cc7bac", kill_on_drop: false }`
[INFO] [stdout] 036d736149722f21a5b4210a8cce967ba0afe7b8c8e8aeaeef7c823324cc7bac