[INFO] fetching crate img-parts 0.2.3...
[INFO] testing img-parts-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate img-parts 0.2.3 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate img-parts 0.2.3 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 img-parts 0.2.3
[INFO] finished tweaking crates.io crate img-parts 0.2.3
[INFO] tweaked toml for crates.io crate img-parts 0.2.3 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate img-parts 0.2.3 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] aa2eac7e204e22f60921f135edc308f40be47cd14434b88fe71f0a3299e90e90
[INFO] running `Command { std: "docker" "start" "-a" "aa2eac7e204e22f60921f135edc308f40be47cd14434b88fe71f0a3299e90e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2eac7e204e22f60921f135edc308f40be47cd14434b88fe71f0a3299e90e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2eac7e204e22f60921f135edc308f40be47cd14434b88fe71f0a3299e90e90", kill_on_drop: false }`
[INFO] [stdout] aa2eac7e204e22f60921f135edc308f40be47cd14434b88fe71f0a3299e90e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 3d2a954adeb71805c9214c43537b3e18158cabdd2058c7167f3222430f7cf269
[INFO] running `Command { std: "docker" "start" "-a" "3d2a954adeb71805c9214c43537b3e18158cabdd2058c7167f3222430f7cf269", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling img-parts v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "3d2a954adeb71805c9214c43537b3e18158cabdd2058c7167f3222430f7cf269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2a954adeb71805c9214c43537b3e18158cabdd2058c7167f3222430f7cf269", kill_on_drop: false }`
[INFO] [stdout] 3d2a954adeb71805c9214c43537b3e18158cabdd2058c7167f3222430f7cf269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 18dad714ff453687b8dffe05dcd77e7ed937f04e9c6aa2fa5eabdd8507943ed4
[INFO] running `Command { std: "docker" "start" "-a" "18dad714ff453687b8dffe05dcd77e7ed937f04e9c6aa2fa5eabdd8507943ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling img-parts v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "18dad714ff453687b8dffe05dcd77e7ed937f04e9c6aa2fa5eabdd8507943ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dad714ff453687b8dffe05dcd77e7ed937f04e9c6aa2fa5eabdd8507943ed4", kill_on_drop: false }`
[INFO] [stdout] 18dad714ff453687b8dffe05dcd77e7ed937f04e9c6aa2fa5eabdd8507943ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] f4db93cde53e7bb7ebc0501530bbadd0d0b557f2698f47101fe77775409eddcb
[INFO] running `Command { std: "docker" "start" "-a" "f4db93cde53e7bb7ebc0501530bbadd0d0b557f2698f47101fe77775409eddcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/img_parts-5346a576dad6c221)
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests img-parts
[INFO] [stdout] test encoder::read::tests::image_encoder_reader_read ... ok
[INFO] [stdout] test encoder::tests::image_encoder_read ... ok
[INFO] [stdout] test encoder::tests::image_encoder_read_buffered ... ok
[INFO] [stdout] test util::tests::read_u8_checked ... ok
[INFO] [stdout] test util::tests::split_checked ... ok
[INFO] [stdout] test encoder::tests::image_encoder_write_to ... ok
[INFO] [stdout] test encoder::tests::image_encoder_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 40) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] test src/encoder/mod.rs - encoder::ImageEncoder (line 32) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4db93cde53e7bb7ebc0501530bbadd0d0b557f2698f47101fe77775409eddcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4db93cde53e7bb7ebc0501530bbadd0d0b557f2698f47101fe77775409eddcb", kill_on_drop: false }`
[INFO] [stdout] f4db93cde53e7bb7ebc0501530bbadd0d0b557f2698f47101fe77775409eddcb