[INFO] fetching crate spin4 0.0.3...
[INFO] testing spin4-0.0.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spin4 0.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate spin4 0.0.3
[INFO] finished tweaking crates.io crate spin4 0.0.3
[INFO] tweaked toml for crates.io crate spin4 0.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spin4 0.0.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spin4 0.0.3 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 113cb22415f07895170906d51a6200c6434c6514f1a16990792c785b223f4755
[INFO] running `Command { std: "docker" "start" "-a" "113cb22415f07895170906d51a6200c6434c6514f1a16990792c785b223f4755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113cb22415f07895170906d51a6200c6434c6514f1a16990792c785b223f4755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113cb22415f07895170906d51a6200c6434c6514f1a16990792c785b223f4755", kill_on_drop: false }`
[INFO] [stdout] 113cb22415f07895170906d51a6200c6434c6514f1a16990792c785b223f4755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64d0269ff6c214cd2b7fdfbe5a42a814bb5979bb907f57c8a632eadfba924aa1
[INFO] running `Command { std: "docker" "start" "-a" "64d0269ff6c214cd2b7fdfbe5a42a814bb5979bb907f57c8a632eadfba924aa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling wide v0.7.15
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling spin4 v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.04s
[INFO] running `Command { std: "docker" "inspect" "64d0269ff6c214cd2b7fdfbe5a42a814bb5979bb907f57c8a632eadfba924aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d0269ff6c214cd2b7fdfbe5a42a814bb5979bb907f57c8a632eadfba924aa1", kill_on_drop: false }`
[INFO] [stdout] 64d0269ff6c214cd2b7fdfbe5a42a814bb5979bb907f57c8a632eadfba924aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b50804216dfb12e12fd000557ef7757501f9221057cb5a4350aa629a82fa772
[INFO] running `Command { std: "docker" "start" "-a" "4b50804216dfb12e12fd000557ef7757501f9221057cb5a4350aa629a82fa772", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin4 v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "4b50804216dfb12e12fd000557ef7757501f9221057cb5a4350aa629a82fa772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b50804216dfb12e12fd000557ef7757501f9221057cb5a4350aa629a82fa772", kill_on_drop: false }`
[INFO] [stdout] 4b50804216dfb12e12fd000557ef7757501f9221057cb5a4350aa629a82fa772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4e2f6a74b08895cb8e4f4a4f8631e08c3b8e3f8a768aca4e36a817409c6ae83
[INFO] running `Command { std: "docker" "start" "-a" "d4e2f6a74b08895cb8e4f4a4f8631e08c3b8e3f8a768aca4e36a817409c6ae83", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spin4-e37e39dbcb4d2dae)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::nested_loop ... ok
[INFO] [stdout] test tests::four_rotation_seq_returns_to_initial_state ... ok
[INFO] [stdout] test tests::rotation_and_stack_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spin4-57a7ffc9bf064296)
[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 spin4
[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" "d4e2f6a74b08895cb8e4f4a4f8631e08c3b8e3f8a768aca4e36a817409c6ae83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e2f6a74b08895cb8e4f4a4f8631e08c3b8e3f8a768aca4e36a817409c6ae83", kill_on_drop: false }`
[INFO] [stdout] d4e2f6a74b08895cb8e4f4a4f8631e08c3b8e3f8a768aca4e36a817409c6ae83
