[INFO] fetching crate ledmatrix_widgets 0.1.0...
[INFO] testing ledmatrix_widgets-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ledmatrix_widgets 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ledmatrix_widgets 0.1.0
[INFO] finished tweaking crates.io crate ledmatrix_widgets 0.1.0
[INFO] tweaked toml for crates.io crate ledmatrix_widgets 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ledmatrix_widgets 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ledmatrix_widgets 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999ec6e009340b0d56a0f3f91f544c87eb495112faa1e556b355fd25cccd8f01
[INFO] running `Command { std: "docker" "start" "-a" "999ec6e009340b0d56a0f3f91f544c87eb495112faa1e556b355fd25cccd8f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999ec6e009340b0d56a0f3f91f544c87eb495112faa1e556b355fd25cccd8f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999ec6e009340b0d56a0f3f91f544c87eb495112faa1e556b355fd25cccd8f01", kill_on_drop: false }`
[INFO] [stdout] 999ec6e009340b0d56a0f3f91f544c87eb495112faa1e556b355fd25cccd8f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c3ca39c2db28d1f75d0c1507809fe7e4a2056de1681bf210d05dabdb62310f
[INFO] running `Command { std: "docker" "start" "-a" "a1c3ca39c2db28d1f75d0c1507809fe7e4a2056de1681bf210d05dabdb62310f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling unescaper v0.1.4
[INFO] [stderr]    Compiling sysinfo v0.30.9
[INFO] [stderr]    Compiling serialport v4.3.0
[INFO] [stderr]    Compiling ledmatrix_widgets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "a1c3ca39c2db28d1f75d0c1507809fe7e4a2056de1681bf210d05dabdb62310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c3ca39c2db28d1f75d0c1507809fe7e4a2056de1681bf210d05dabdb62310f", kill_on_drop: false }`
[INFO] [stdout] a1c3ca39c2db28d1f75d0c1507809fe7e4a2056de1681bf210d05dabdb62310f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f7b3bacb946016f21c047fba28ff0724a54afca9e97d9830776b6d3fa2b1c8
[INFO] running `Command { std: "docker" "start" "-a" "e7f7b3bacb946016f21c047fba28ff0724a54afca9e97d9830776b6d3fa2b1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ledmatrix_widgets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e7f7b3bacb946016f21c047fba28ff0724a54afca9e97d9830776b6d3fa2b1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f7b3bacb946016f21c047fba28ff0724a54afca9e97d9830776b6d3fa2b1c8", kill_on_drop: false }`
[INFO] [stdout] e7f7b3bacb946016f21c047fba28ff0724a54afca9e97d9830776b6d3fa2b1c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56dcf9da80ecee8c72d3574ec648cbc49b026045b454f006b44664c7cd76d52d
[INFO] running `Command { std: "docker" "start" "-a" "56dcf9da80ecee8c72d3574ec648cbc49b026045b454f006b44664c7cd76d52d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ledmatrix_widgets-34cf72b2caa17505)
[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" "56dcf9da80ecee8c72d3574ec648cbc49b026045b454f006b44664c7cd76d52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dcf9da80ecee8c72d3574ec648cbc49b026045b454f006b44664c7cd76d52d", kill_on_drop: false }`
[INFO] [stdout] 56dcf9da80ecee8c72d3574ec648cbc49b026045b454f006b44664c7cd76d52d