[INFO] fetching crate img-parts 0.2.3...
[INFO] testing img-parts-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate img-parts 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate img-parts 0.2.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b9067ab432c5a90c04ba87d5876c781ac598dcedda224302387aa5f7c6bded2
[INFO] running `Command { std: "docker" "start" "-a" "8b9067ab432c5a90c04ba87d5876c781ac598dcedda224302387aa5f7c6bded2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9067ab432c5a90c04ba87d5876c781ac598dcedda224302387aa5f7c6bded2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9067ab432c5a90c04ba87d5876c781ac598dcedda224302387aa5f7c6bded2", kill_on_drop: false }`
[INFO] [stdout] 8b9067ab432c5a90c04ba87d5876c781ac598dcedda224302387aa5f7c6bded2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbd7ada62b697f967e233b8a659e221e3e19b43795b257509313cfe70c5e855d
[INFO] running `Command { std: "docker" "start" "-a" "fbd7ada62b697f967e233b8a659e221e3e19b43795b257509313cfe70c5e855d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling img-parts v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "fbd7ada62b697f967e233b8a659e221e3e19b43795b257509313cfe70c5e855d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd7ada62b697f967e233b8a659e221e3e19b43795b257509313cfe70c5e855d", kill_on_drop: false }`
[INFO] [stdout] fbd7ada62b697f967e233b8a659e221e3e19b43795b257509313cfe70c5e855d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94b8248ffbc618460885648fa6550551632dc847d6bb49b4cbcf48431713b194
[INFO] running `Command { std: "docker" "start" "-a" "94b8248ffbc618460885648fa6550551632dc847d6bb49b4cbcf48431713b194", kill_on_drop: false }`
[INFO] [stderr]    Compiling img-parts v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "94b8248ffbc618460885648fa6550551632dc847d6bb49b4cbcf48431713b194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b8248ffbc618460885648fa6550551632dc847d6bb49b4cbcf48431713b194", kill_on_drop: false }`
[INFO] [stdout] 94b8248ffbc618460885648fa6550551632dc847d6bb49b4cbcf48431713b194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73d0def78ee500194f96c1e8cb517798ef2ebf4b3999a6e428ba0e90309121ba
[INFO] running `Command { std: "docker" "start" "-a" "73d0def78ee500194f96c1e8cb517798ef2ebf4b3999a6e428ba0e90309121ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/img_parts-3861181b7521d016
[INFO] [stdout] running 7 tests
[INFO] [stdout] test encoder::tests::image_encoder_write_to ... ok
[INFO] [stdout] test encoder::tests::image_encoder_iter ... ok
[INFO] [stdout] test encoder::tests::image_encoder_read_buffered ... ok
[INFO] [stdout] test util::tests::split_checked ... ok
[INFO] [stdout] test util::tests::read_u8_checked ... ok
[INFO] [stdout] test encoder::tests::image_encoder_read ... ok
[INFO] [stdout] test encoder::read::tests::image_encoder_reader_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests img-parts
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/encoder/mod.rs - encoder::ImageEncoder (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73d0def78ee500194f96c1e8cb517798ef2ebf4b3999a6e428ba0e90309121ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d0def78ee500194f96c1e8cb517798ef2ebf4b3999a6e428ba0e90309121ba", kill_on_drop: false }`
[INFO] [stdout] 73d0def78ee500194f96c1e8cb517798ef2ebf4b3999a6e428ba0e90309121ba