[INFO] fetching crate imgthin 0.1.1...
[INFO] testing imgthin-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate imgthin 0.1.1 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate imgthin 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgthin 0.1.1
[INFO] finished tweaking crates.io crate imgthin 0.1.1
[INFO] tweaked toml for crates.io crate imgthin 0.1.1 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c1262765fb80b44d5ba7abd83f43bbe9cf399184aa2eeac418acb71eeda748
[INFO] running `Command { std: "docker" "start" "-a" "70c1262765fb80b44d5ba7abd83f43bbe9cf399184aa2eeac418acb71eeda748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c1262765fb80b44d5ba7abd83f43bbe9cf399184aa2eeac418acb71eeda748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c1262765fb80b44d5ba7abd83f43bbe9cf399184aa2eeac418acb71eeda748", kill_on_drop: false }`
[INFO] [stdout] 70c1262765fb80b44d5ba7abd83f43bbe9cf399184aa2eeac418acb71eeda748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a591658b919ce890bf3df503908fff38d00888259b4064a8f6e122f09dd345b6
[INFO] running `Command { std: "docker" "start" "-a" "a591658b919ce890bf3df503908fff38d00888259b4064a8f6e122f09dd345b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imgthin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a591658b919ce890bf3df503908fff38d00888259b4064a8f6e122f09dd345b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a591658b919ce890bf3df503908fff38d00888259b4064a8f6e122f09dd345b6", kill_on_drop: false }`
[INFO] [stdout] a591658b919ce890bf3df503908fff38d00888259b4064a8f6e122f09dd345b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ee77507efb54d84266d662d4cf626c1e40fd9881afece02197b8649a24f58e
[INFO] running `Command { std: "docker" "start" "-a" "59ee77507efb54d84266d662d4cf626c1e40fd9881afece02197b8649a24f58e", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgthin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "59ee77507efb54d84266d662d4cf626c1e40fd9881afece02197b8649a24f58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ee77507efb54d84266d662d4cf626c1e40fd9881afece02197b8649a24f58e", kill_on_drop: false }`
[INFO] [stdout] 59ee77507efb54d84266d662d4cf626c1e40fd9881afece02197b8649a24f58e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1107f1ff64e4f3064fa724a99cd05ad5059d6d34f372a705bddb38bd86f3f52
[INFO] running `Command { std: "docker" "start" "-a" "d1107f1ff64e4f3064fa724a99cd05ad5059d6d34f372a705bddb38bd86f3f52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imgthin-2015eb72e3d6fcfb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bin_image::test::test_get_neighbors ... ok
[INFO] [stdout] test common::test::test_calculate_ap_bp ... ok
[INFO] [stdout] test bin_image::test::test_sub ... ok
[INFO] [stdout] test default::test::test_subiter ... ok
[INFO] [stdout] test default::test::test_char_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imgthin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1107f1ff64e4f3064fa724a99cd05ad5059d6d34f372a705bddb38bd86f3f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1107f1ff64e4f3064fa724a99cd05ad5059d6d34f372a705bddb38bd86f3f52", kill_on_drop: false }`
[INFO] [stdout] d1107f1ff64e4f3064fa724a99cd05ad5059d6d34f372a705bddb38bd86f3f52