[INFO] fetching crate maxmatrix_rs 0.1.2...
[INFO] testing maxmatrix_rs-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate maxmatrix_rs 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate maxmatrix_rs 0.1.2
[INFO] finished tweaking crates.io crate maxmatrix_rs 0.1.2
[INFO] tweaked toml for crates.io crate maxmatrix_rs 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maxmatrix_rs 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 19f200343bcd1883c306d073061edb7622744f18684f06d45e05856f82ebfd1d
[INFO] running `Command { std: "docker" "start" "-a" "19f200343bcd1883c306d073061edb7622744f18684f06d45e05856f82ebfd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19f200343bcd1883c306d073061edb7622744f18684f06d45e05856f82ebfd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f200343bcd1883c306d073061edb7622744f18684f06d45e05856f82ebfd1d", kill_on_drop: false }`
[INFO] [stdout] 19f200343bcd1883c306d073061edb7622744f18684f06d45e05856f82ebfd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8be0125dc80a96dcff1672204a476d343533530db9828d3ca32bd730c614bfb5
[INFO] running `Command { std: "docker" "start" "-a" "8be0125dc80a96dcff1672204a476d343533530db9828d3ca32bd730c614bfb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling maxmatrix_rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "8be0125dc80a96dcff1672204a476d343533530db9828d3ca32bd730c614bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be0125dc80a96dcff1672204a476d343533530db9828d3ca32bd730c614bfb5", kill_on_drop: false }`
[INFO] [stdout] 8be0125dc80a96dcff1672204a476d343533530db9828d3ca32bd730c614bfb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b1951dace48438c734d4bd521d1feef6ee512f41dcf7e4f2170aeb6693d6cee6
[INFO] running `Command { std: "docker" "start" "-a" "b1951dace48438c734d4bd521d1feef6ee512f41dcf7e4f2170aeb6693d6cee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling maxmatrix_rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b1951dace48438c734d4bd521d1feef6ee512f41dcf7e4f2170aeb6693d6cee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1951dace48438c734d4bd521d1feef6ee512f41dcf7e4f2170aeb6693d6cee6", kill_on_drop: false }`
[INFO] [stdout] b1951dace48438c734d4bd521d1feef6ee512f41dcf7e4f2170aeb6693d6cee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0a2b7f529d64166d555b733dce914e35cec2193c8d78024851cd745046c36baa
[INFO] running `Command { std: "docker" "start" "-a" "0a2b7f529d64166d555b733dce914e35cec2193c8d78024851cd745046c36baa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maxmatrix_rs-e963910a6f0a4d64)
[INFO] [stderr]    Doc-tests maxmatrix_rs
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `panic_halt`
[INFO] [stdout]  --> src/lib.rs:10:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use panic_halt as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no external crate `panic_halt`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[arduino_hal::entry]
[INFO] [stdout]    |   ^^^^^^^^^^^ use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let pins = arduino_hal::pins!(dp);
[INFO] [stdout]    |                ^^^^^^^^^^^ use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let dp = arduino_hal::Peripherals::take().unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^ use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `arduino_hal`, use `cargo add arduino_hal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         arduino_hal::delay_ms(500);
[INFO] [stdout]    |         ^^^^^^^^^^^ use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `arduino_hal`, use `cargo add arduino_hal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         arduino_hal::delay_ms(500);
[INFO] [stdout]    |         ^^^^^^^^^^^ use of unresolved module or unlinked crate `arduino_hal`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `arduino_hal`, use `cargo add arduino_hal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0a2b7f529d64166d555b733dce914e35cec2193c8d78024851cd745046c36baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2b7f529d64166d555b733dce914e35cec2193c8d78024851cd745046c36baa", kill_on_drop: false }`
[INFO] [stdout] 0a2b7f529d64166d555b733dce914e35cec2193c8d78024851cd745046c36baa