[INFO] fetching crate undither 1.0.6...
[INFO] testing undither-1.0.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate undither 1.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate undither 1.0.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loop9 v0.1.3
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded vpsearch v2.0.1
[INFO] [stderr]   Downloaded imgref v1.7.1
[INFO] [stderr]   Downloaded lodepng v3.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0cfa44036ec2e6615ded64e67194adc0796f91fff296dcd0f2833e9113eae46
[INFO] running `Command { std: "docker" "start" "-a" "e0cfa44036ec2e6615ded64e67194adc0796f91fff296dcd0f2833e9113eae46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0cfa44036ec2e6615ded64e67194adc0796f91fff296dcd0f2833e9113eae46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cfa44036ec2e6615ded64e67194adc0796f91fff296dcd0f2833e9113eae46", kill_on_drop: false }`
[INFO] [stdout] e0cfa44036ec2e6615ded64e67194adc0796f91fff296dcd0f2833e9113eae46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 350aa98826b9a16bf05e4a0841c572af1683cab6e6ba659c90072adc48710971
[INFO] running `Command { std: "docker" "start" "-a" "350aa98826b9a16bf05e4a0841c572af1683cab6e6ba659c90072adc48710971", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling imgref v1.7.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling loop9 v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling vpsearch v2.0.1
[INFO] [stderr]    Compiling undither v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "350aa98826b9a16bf05e4a0841c572af1683cab6e6ba659c90072adc48710971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350aa98826b9a16bf05e4a0841c572af1683cab6e6ba659c90072adc48710971", kill_on_drop: false }`
[INFO] [stdout] 350aa98826b9a16bf05e4a0841c572af1683cab6e6ba659c90072adc48710971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d6641eb00003ff80c3425ae2df0e1b293c22b261c6cf7418ced1f33d0aaa90
[INFO] running `Command { std: "docker" "start" "-a" "39d6641eb00003ff80c3425ae2df0e1b293c22b261c6cf7418ced1f33d0aaa90", kill_on_drop: false }`
[INFO] [stderr]    Compiling undither v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "39d6641eb00003ff80c3425ae2df0e1b293c22b261c6cf7418ced1f33d0aaa90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d6641eb00003ff80c3425ae2df0e1b293c22b261c6cf7418ced1f33d0aaa90", kill_on_drop: false }`
[INFO] [stdout] 39d6641eb00003ff80c3425ae2df0e1b293c22b261c6cf7418ced1f33d0aaa90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9ffc2c1626df0b05bfbd48580522152f33c7e502445334a0ad1080877257362
[INFO] running `Command { std: "docker" "start" "-a" "b9ffc2c1626df0b05bfbd48580522152f33c7e502445334a0ad1080877257362", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/undither-cc41e5581d1a0440)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pal::paltest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests undither
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9ffc2c1626df0b05bfbd48580522152f33c7e502445334a0ad1080877257362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ffc2c1626df0b05bfbd48580522152f33c7e502445334a0ad1080877257362", kill_on_drop: false }`
[INFO] [stdout] b9ffc2c1626df0b05bfbd48580522152f33c7e502445334a0ad1080877257362