[INFO] fetching crate tiny-led-matrix 1.0.2...
[INFO] testing tiny-led-matrix-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tiny-led-matrix 1.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tiny-led-matrix 1.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny-led-matrix 1.0.2
[INFO] finished tweaking crates.io crate tiny-led-matrix 1.0.2
[INFO] tweaked toml for crates.io crate tiny-led-matrix 1.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] 1b35f925c6f0a19459439657fd0efef296313494874f72ebf90eadb3eb9a2424
[INFO] running `Command { std: "docker" "start" "-a" "1b35f925c6f0a19459439657fd0efef296313494874f72ebf90eadb3eb9a2424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b35f925c6f0a19459439657fd0efef296313494874f72ebf90eadb3eb9a2424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b35f925c6f0a19459439657fd0efef296313494874f72ebf90eadb3eb9a2424", kill_on_drop: false }`
[INFO] [stdout] 1b35f925c6f0a19459439657fd0efef296313494874f72ebf90eadb3eb9a2424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] c8e01ce1126a31933cb29f4409e7b77d7523b5b0bc43043f22a5ef29b84304a0
[INFO] running `Command { std: "docker" "start" "-a" "c8e01ce1126a31933cb29f4409e7b77d7523b5b0bc43043f22a5ef29b84304a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-led-matrix v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c8e01ce1126a31933cb29f4409e7b77d7523b5b0bc43043f22a5ef29b84304a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e01ce1126a31933cb29f4409e7b77d7523b5b0bc43043f22a5ef29b84304a0", kill_on_drop: false }`
[INFO] [stdout] c8e01ce1126a31933cb29f4409e7b77d7523b5b0bc43043f22a5ef29b84304a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b270443b93dd04c3776e502748cd56a06fd63cc1b8763a154a210b5c02a70be
[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" "1b270443b93dd04c3776e502748cd56a06fd63cc1b8763a154a210b5c02a70be", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-led-matrix v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1b270443b93dd04c3776e502748cd56a06fd63cc1b8763a154a210b5c02a70be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b270443b93dd04c3776e502748cd56a06fd63cc1b8763a154a210b5c02a70be", kill_on_drop: false }`
[INFO] [stdout] 1b270443b93dd04c3776e502748cd56a06fd63cc1b8763a154a210b5c02a70be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] 175df4c37448d08af356e7c50bf23390be1ba808f346143d49090341f0c1794f
[INFO] running `Command { std: "docker" "start" "-a" "175df4c37448d08af356e7c50bf23390be1ba808f346143d49090341f0c1794f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_led_matrix-8e175822135f2f25)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tiny-led-matrix
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/display.rs - display::Display (line 314) ... ignored
[INFO] [stdout] test src/display.rs - display::Display<F>::handle_event (line 477) ... ignored
[INFO] [stdout] test src/display.rs - display::Display<F>::set_frame (line 371) ... ignored
[INFO] [stdout] test src/display.rs - display::Frame::set (line 215) ... ignored
[INFO] [stdout] test src/display.rs - display::Matrix (line 80) ... ok
[INFO] [stdout] test src/display.rs - display::Frame (line 148) ... ok
[INFO] [stdout] test src/render.rs - render::Render (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "175df4c37448d08af356e7c50bf23390be1ba808f346143d49090341f0c1794f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175df4c37448d08af356e7c50bf23390be1ba808f346143d49090341f0c1794f", kill_on_drop: false }`
[INFO] [stdout] 175df4c37448d08af356e7c50bf23390be1ba808f346143d49090341f0c1794f