[INFO] fetching crate slicetools 0.3.0...
[INFO] testing slicetools-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate slicetools 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slicetools 0.3.0
[INFO] finished tweaking crates.io crate slicetools 0.3.0
[INFO] tweaked toml for crates.io crate slicetools 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slicetools 0.3.0 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] 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] 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] 1e4b8cc2ede1445ed0dd550c9c829f1f3529c8961fb546982d142f7fd9189b34
[INFO] running `Command { std: "docker" "start" "-a" "1e4b8cc2ede1445ed0dd550c9c829f1f3529c8961fb546982d142f7fd9189b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4b8cc2ede1445ed0dd550c9c829f1f3529c8961fb546982d142f7fd9189b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4b8cc2ede1445ed0dd550c9c829f1f3529c8961fb546982d142f7fd9189b34", kill_on_drop: false }`
[INFO] [stdout] 1e4b8cc2ede1445ed0dd550c9c829f1f3529c8961fb546982d142f7fd9189b34
[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] fc82ed58210bfbf9030d992165ae82fdae4b0afcefa86139968657779f37f5a8
[INFO] running `Command { std: "docker" "start" "-a" "fc82ed58210bfbf9030d992165ae82fdae4b0afcefa86139968657779f37f5a8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "fc82ed58210bfbf9030d992165ae82fdae4b0afcefa86139968657779f37f5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82ed58210bfbf9030d992165ae82fdae4b0afcefa86139968657779f37f5a8", kill_on_drop: false }`
[INFO] [stdout] fc82ed58210bfbf9030d992165ae82fdae4b0afcefa86139968657779f37f5a8
[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] 87b5c501b255e5c31f7d1452b2773e2674065b86a91414ec95ef92ebcebf360a
[INFO] running `Command { std: "docker" "start" "-a" "87b5c501b255e5c31f7d1452b2773e2674065b86a91414ec95ef92ebcebf360a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "87b5c501b255e5c31f7d1452b2773e2674065b86a91414ec95ef92ebcebf360a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b5c501b255e5c31f7d1452b2773e2674065b86a91414ec95ef92ebcebf360a", kill_on_drop: false }`
[INFO] [stdout] 87b5c501b255e5c31f7d1452b2773e2674065b86a91414ec95ef92ebcebf360a
[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] 44b4f8fd33dbc0f4f8588b7de8ea2099148bde6f62a1e5ad49622a82acf5418c
[INFO] running `Command { std: "docker" "start" "-a" "44b4f8fd33dbc0f4f8588b7de8ea2099148bde6f62a1e5ad49622a82acf5418c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slicetools-9c22b83dbb2408fe)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_at_least_one_is_empty ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_one_have_only_1_item ... ok
[INFO] [stdout] test group_mut::tests::slice_with_0_item ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_multiple_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_1_item_each ... ok
[INFO] [stdout] test group_mut::tests::slice_with_one_item_type ... ok
[INFO] [stdout] test group_mut::tests::slice_with_unique_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_various_groups ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_key ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_condition ... ok
[INFO] [stdout] test pairs_mut::tests::empty_slice ... ok
[INFO] [stdout] test pairs_mut::tests::simple_algorith ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_2_items ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_3_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slicetools
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::pairs_mut (line 100) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_mut (line 126) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_mut (line 178) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_key_mut (line 152) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::cartesian_product_mut (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44b4f8fd33dbc0f4f8588b7de8ea2099148bde6f62a1e5ad49622a82acf5418c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b4f8fd33dbc0f4f8588b7de8ea2099148bde6f62a1e5ad49622a82acf5418c", kill_on_drop: false }`
[INFO] [stdout] 44b4f8fd33dbc0f4f8588b7de8ea2099148bde6f62a1e5ad49622a82acf5418c