[INFO] fetching crate picasso-core 0.1.0...
[INFO] testing picasso-core-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate picasso-core 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate picasso-core 0.1.0 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 picasso-core 0.1.0
[INFO] finished tweaking crates.io crate picasso-core 0.1.0
[INFO] tweaked toml for crates.io crate picasso-core 0.1.0 written to /workspace/builds/worker-5/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] 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a43724c33193aeddd3f4d43ae78693d9878340e8bba8769192c4fb9966da459a
[INFO] running `Command { std: "docker" "start" "-a" "a43724c33193aeddd3f4d43ae78693d9878340e8bba8769192c4fb9966da459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a43724c33193aeddd3f4d43ae78693d9878340e8bba8769192c4fb9966da459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43724c33193aeddd3f4d43ae78693d9878340e8bba8769192c4fb9966da459a", kill_on_drop: false }`
[INFO] [stdout] a43724c33193aeddd3f4d43ae78693d9878340e8bba8769192c4fb9966da459a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3f76ea299c906fdebcc365be37d76c82149e9033de5b6d24d1e2931a74d72f8e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f76ea299c906fdebcc365be37d76c82149e9033de5b6d24d1e2931a74d72f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn-fmt v0.3.0
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling purrmitive v0.1.3
[INFO] [stderr]    Compiling picasso-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `imageops::FilterType`
[INFO] [stdout]  --> src/renderer/mod.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{imageops::FilterType, GenericImageView, Rgba};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "3f76ea299c906fdebcc365be37d76c82149e9033de5b6d24d1e2931a74d72f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f76ea299c906fdebcc365be37d76c82149e9033de5b6d24d1e2931a74d72f8e", kill_on_drop: false }`
[INFO] [stdout] 3f76ea299c906fdebcc365be37d76c82149e9033de5b6d24d1e2931a74d72f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a951faf85c992f9405f743049e1a60b1108c3d4704c35bbf297cf68fd795380
[INFO] running `Command { std: "docker" "start" "-a" "4a951faf85c992f9405f743049e1a60b1108c3d4704c35bbf297cf68fd795380", kill_on_drop: false }`
[INFO] [stderr]    Compiling picasso-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `imageops::FilterType`
[INFO] [stdout]  --> src/renderer/mod.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{imageops::FilterType, GenericImageView, Rgba};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `imageops::FilterType`
[INFO] [stdout]  --> src/renderer/mod.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{imageops::FilterType, GenericImageView, Rgba};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "4a951faf85c992f9405f743049e1a60b1108c3d4704c35bbf297cf68fd795380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a951faf85c992f9405f743049e1a60b1108c3d4704c35bbf297cf68fd795380", kill_on_drop: false }`
[INFO] [stdout] 4a951faf85c992f9405f743049e1a60b1108c3d4704c35bbf297cf68fd795380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b89caa2d0acc68edaa59a4c749d1a9be98d9ed39597d7fdf91036bb9da5f52f
[INFO] running `Command { std: "docker" "start" "-a" "2b89caa2d0acc68edaa59a4c749d1a9be98d9ed39597d7fdf91036bb9da5f52f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `imageops::FilterType`
[INFO] [stderr]  --> src/renderer/mod.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use image::{imageops::FilterType, GenericImageView, Rgba};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `picasso-core` (lib) generated 1 warning
[INFO] [stderr] warning: `picasso-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/picasso_core-70fe63ac3d0b751a)
[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] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-85742881da7ec54f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ready ... 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 picasso-core
[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" "2b89caa2d0acc68edaa59a4c749d1a9be98d9ed39597d7fdf91036bb9da5f52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b89caa2d0acc68edaa59a4c749d1a9be98d9ed39597d7fdf91036bb9da5f52f", kill_on_drop: false }`
[INFO] [stdout] 2b89caa2d0acc68edaa59a4c749d1a9be98d9ed39597d7fdf91036bb9da5f52f