[INFO] fetching crate tiny-led-matrix 1.0.2...
[INFO] testing tiny-led-matrix-1.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tiny-led-matrix 1.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tiny-led-matrix 1.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce01a304da1cf880878e7c3036ffc87c62533300cfc8306bbda239bf1d8fd758
[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" "ce01a304da1cf880878e7c3036ffc87c62533300cfc8306bbda239bf1d8fd758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce01a304da1cf880878e7c3036ffc87c62533300cfc8306bbda239bf1d8fd758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce01a304da1cf880878e7c3036ffc87c62533300cfc8306bbda239bf1d8fd758", kill_on_drop: false }`
[INFO] [stdout] ce01a304da1cf880878e7c3036ffc87c62533300cfc8306bbda239bf1d8fd758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987708fdc385b10ce3075d73d6e1dc7b5cb676a5affc5b0b38cd2c964cac54f3
[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" "987708fdc385b10ce3075d73d6e1dc7b5cb676a5affc5b0b38cd2c964cac54f3", 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "987708fdc385b10ce3075d73d6e1dc7b5cb676a5affc5b0b38cd2c964cac54f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987708fdc385b10ce3075d73d6e1dc7b5cb676a5affc5b0b38cd2c964cac54f3", kill_on_drop: false }`
[INFO] [stdout] 987708fdc385b10ce3075d73d6e1dc7b5cb676a5affc5b0b38cd2c964cac54f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1ade9437cfddd385b827880408712ff8ed2c5be0d0a96c53319b4a3418b7fe
[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" "2f1ade9437cfddd385b827880408712ff8ed2c5be0d0a96c53319b4a3418b7fe", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "2f1ade9437cfddd385b827880408712ff8ed2c5be0d0a96c53319b4a3418b7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1ade9437cfddd385b827880408712ff8ed2c5be0d0a96c53319b4a3418b7fe", kill_on_drop: false }`
[INFO] [stdout] 2f1ade9437cfddd385b827880408712ff8ed2c5be0d0a96c53319b4a3418b7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1037abdea7184a1d79a10c349cfeaf95986f9827db3425b1e327a339f0e0e5ce
[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" "1037abdea7184a1d79a10c349cfeaf95986f9827db3425b1e327a339f0e0e5ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny_led_matrix-5b8fdd90a470a469
[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]    Doc-tests tiny-led-matrix
[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::Frame (line 148) ... ok
[INFO] [stdout] test src/render.rs - render::Render (line 18) ... ok
[INFO] [stdout] test src/display.rs - display::Matrix (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1037abdea7184a1d79a10c349cfeaf95986f9827db3425b1e327a339f0e0e5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1037abdea7184a1d79a10c349cfeaf95986f9827db3425b1e327a339f0e0e5ce", kill_on_drop: false }`
[INFO] [stdout] 1037abdea7184a1d79a10c349cfeaf95986f9827db3425b1e327a339f0e0e5ce