[INFO] fetching crate gif-dispose 3.1.1...
[INFO] testing gif-dispose-3.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gif-dispose 3.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate gif-dispose 3.1.1 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 gif-dispose 3.1.1
[INFO] finished tweaking crates.io crate gif-dispose 3.1.1
[INFO] tweaked toml for crates.io crate gif-dispose 3.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate gif-dispose 3.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d03d4882c6080246d57dcc6b9a95edcb26e1aee0b89552b99d9c4d980007d9b9
[INFO] running `Command { std: "docker" "start" "-a" "d03d4882c6080246d57dcc6b9a95edcb26e1aee0b89552b99d9c4d980007d9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03d4882c6080246d57dcc6b9a95edcb26e1aee0b89552b99d9c4d980007d9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03d4882c6080246d57dcc6b9a95edcb26e1aee0b89552b99d9c4d980007d9b9", kill_on_drop: false }`
[INFO] [stdout] d03d4882c6080246d57dcc6b9a95edcb26e1aee0b89552b99d9c4d980007d9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 12314094c513aec2686bf2e51ddd19a8fb811bda7c7a197aacd0429135ec8d57
[INFO] running `Command { std: "docker" "start" "-a" "12314094c513aec2686bf2e51ddd19a8fb811bda7c7a197aacd0429135ec8d57", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling imgref v1.7.1
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling gif-dispose v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "12314094c513aec2686bf2e51ddd19a8fb811bda7c7a197aacd0429135ec8d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12314094c513aec2686bf2e51ddd19a8fb811bda7c7a197aacd0429135ec8d57", kill_on_drop: false }`
[INFO] [stdout] 12314094c513aec2686bf2e51ddd19a8fb811bda7c7a197aacd0429135ec8d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 96e069334343f3c02df6d7f558d15f02987ea5fd26f56b6c218af35f5685d964
[INFO] running `Command { std: "docker" "start" "-a" "96e069334343f3c02df6d7f558d15f02987ea5fd26f56b6c218af35f5685d964", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fallible_collections v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling lodepng v3.4.2
[INFO] [stderr]    Compiling gif-dispose v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "96e069334343f3c02df6d7f558d15f02987ea5fd26f56b6c218af35f5685d964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e069334343f3c02df6d7f558d15f02987ea5fd26f56b6c218af35f5685d964", kill_on_drop: false }`
[INFO] [stdout] 96e069334343f3c02df6d7f558d15f02987ea5fd26f56b6c218af35f5685d964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0e11114ad3c391382dbb39b23dc288643e85795f21fcb51725040a568c90f274
[INFO] running `Command { std: "docker" "start" "-a" "0e11114ad3c391382dbb39b23dc288643e85795f21fcb51725040a568c90f274", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gif_dispose-3cdadb7a26ca6c1f)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests gif-dispose
[INFO] [stdout] test screen::screen_rgb_rgba ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok
[INFO] [stdout] test src/screen.rs - screen::Screen<PixelType>::dispose (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e11114ad3c391382dbb39b23dc288643e85795f21fcb51725040a568c90f274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e11114ad3c391382dbb39b23dc288643e85795f21fcb51725040a568c90f274", kill_on_drop: false }`
[INFO] [stdout] 0e11114ad3c391382dbb39b23dc288643e85795f21fcb51725040a568c90f274