[INFO] fetching crate permutations 0.1.1...
[INFO] testing permutations-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate permutations 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate permutations 0.1.1
[INFO] finished tweaking crates.io crate permutations 0.1.1
[INFO] tweaked toml for crates.io crate permutations 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate permutations 0.1.1 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 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0b0f5eb830979d2642d79408e0ff8dc811adbad3135e11277a0b0cf4c9d8982d
[INFO] running `Command { std: "docker" "start" "-a" "0b0f5eb830979d2642d79408e0ff8dc811adbad3135e11277a0b0cf4c9d8982d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0f5eb830979d2642d79408e0ff8dc811adbad3135e11277a0b0cf4c9d8982d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0f5eb830979d2642d79408e0ff8dc811adbad3135e11277a0b0cf4c9d8982d", kill_on_drop: false }`
[INFO] [stdout] 0b0f5eb830979d2642d79408e0ff8dc811adbad3135e11277a0b0cf4c9d8982d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 332db28023329f6569c9e7abfcc4c73e629202e582bec945d7af1d2a3623a785
[INFO] running `Command { std: "docker" "start" "-a" "332db28023329f6569c9e7abfcc4c73e629202e582bec945d7af1d2a3623a785", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutations v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "332db28023329f6569c9e7abfcc4c73e629202e582bec945d7af1d2a3623a785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332db28023329f6569c9e7abfcc4c73e629202e582bec945d7af1d2a3623a785", kill_on_drop: false }`
[INFO] [stdout] 332db28023329f6569c9e7abfcc4c73e629202e582bec945d7af1d2a3623a785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 752fd3fdb1d4223ea6cc1fc92bfbc073135e74b930cc219e6339ac10e1dacb0d
[INFO] running `Command { std: "docker" "start" "-a" "752fd3fdb1d4223ea6cc1fc92bfbc073135e74b930cc219e6339ac10e1dacb0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutations v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "752fd3fdb1d4223ea6cc1fc92bfbc073135e74b930cc219e6339ac10e1dacb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752fd3fdb1d4223ea6cc1fc92bfbc073135e74b930cc219e6339ac10e1dacb0d", kill_on_drop: false }`
[INFO] [stdout] 752fd3fdb1d4223ea6cc1fc92bfbc073135e74b930cc219e6339ac10e1dacb0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e94a86030db4a5b4eb3b91790f609629360bdde276470c7d0762943e96454fc2
[INFO] running `Command { std: "docker" "start" "-a" "e94a86030db4a5b4eb3b91790f609629360bdde276470c7d0762943e96454fc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/permutations-d778001ed54324e4)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test permutation::tests::test_identity ... ok
[INFO] [stdout] test permutation::tests::test_inv ... ok
[INFO] [stdout] test permutation::tests::test_inv_identity ... ok
[INFO] [stdout] test permutation::tests::test_is_empty_false ... ok
[INFO] [stdout] test permutation::tests::test_is_even_identity ... ok
[INFO] [stdout] test permutation::tests::test_is_even_transposition ... ok
[INFO] [stdout] test permutation::tests::test_is_odd_identity ... ok
[INFO] [stdout] test permutation::tests::test_is_even_rotation ... ok
[INFO] [stdout] test permutation::tests::test_mul_mr ... ok
[INFO] [stdout] test permutation::tests::test_is_odd_rotation ... ok
[INFO] [stdout] test permutation::tests::test_is_permutation_false_out_of_range ... ok
[INFO] [stdout] test permutation::tests::test_rotation_right ... ok
[INFO] [stdout] test permutation::tests::test_sign_rotation ... ok
[INFO] [stdout] test permutation::tests::test_sign_identity ... ok
[INFO] [stdout] test permutation::tests::test_mul_rm ... ok
[INFO] [stdout] test permutation::tests::test_mul_rr ... ok
[INFO] [stdout] test permutation::tests::test_permute ... ok
[INFO] [stdout] test permutation::tests::test_is_empty_true ... ok
[INFO] [stdout] test permutation::tests::test_pow ... ok
[INFO] [stdout] test permutation::tests::test_sign_transposition ... ok
[INFO] [stdout] test permutation::tests::test_rotation_left ... ok
[INFO] [stdout] test permutation::tests::test_is_permutation_true ... ok
[INFO] [stdout] test permutation::tests::test_is_permutation_false_missing_element ... ok
[INFO] [stdout] test permutation::tests::test_mul_mm ... ok
[INFO] [stdout] test permutations::tests::test_iter ... ok
[INFO] [stdout] test permutations::tests::test_len_0 ... ok
[INFO] [stdout] test permutations::tests::test_into_iter_ref ... ok
[INFO] [stdout] test permutations::tests::test_len_1 ... ok
[INFO] [stdout] test permutations::tests::test_iter_exact_size_iterator_len ... ok
[INFO] [stdout] test permutations::tests::test_len_3 ... ok
[INFO] [stdout] test permutation::tests::test_is_odd_transposition ... ok
[INFO] [stdout] test tests::test_limits ... ok
[INFO] [stdout] test permutation::tests::test_apply ... ok
[INFO] [stdout] test permutation::tests::test_try_from_err_missing_element_owned ... ok
[INFO] [stdout] test permutation::tests::test_try_from_err_out_of_range_ref ... ok
[INFO] [stdout] test permutation::tests::test_try_from_ok_owned ... ok
[INFO] [stdout] test permutation::tests::test_try_from_ok_slice_ref ... ok
[INFO] [stdout] test permutation::tests::test_try_from_ok_vec_ref ... ok
[INFO] [stdout] test permutations::tests::test_get ... ok
[INFO] [stdout] test permutations::tests::test_into_iter_owned ... ok
[INFO] [stdout] test permutation::tests::test_square ... ok
[INFO] [stdout] test permutation::tests::test_transposition ... ok
[INFO] [stdout] test permutations::tests::test_len_2 ... ok
[INFO] [stdout] test permutation::tests::test_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests permutations
[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" "e94a86030db4a5b4eb3b91790f609629360bdde276470c7d0762943e96454fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94a86030db4a5b4eb3b91790f609629360bdde276470c7d0762943e96454fc2", kill_on_drop: false }`
[INFO] [stdout] e94a86030db4a5b4eb3b91790f609629360bdde276470c7d0762943e96454fc2