[INFO] fetching crate stack-string 1.1.3...
[INFO] testing stack-string-1.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stack-string 1.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stack-string 1.1.3
[INFO] finished tweaking crates.io crate stack-string 1.1.3
[INFO] tweaked toml for crates.io crate stack-string 1.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-string 1.1.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stack-string 1.1.3 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40e95ce0675bb06f43861d3922e923eb8f7db163c323a3b37ff5b55deaa4e88
[INFO] running `Command { std: "docker" "start" "-a" "f40e95ce0675bb06f43861d3922e923eb8f7db163c323a3b37ff5b55deaa4e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40e95ce0675bb06f43861d3922e923eb8f7db163c323a3b37ff5b55deaa4e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40e95ce0675bb06f43861d3922e923eb8f7db163c323a3b37ff5b55deaa4e88", kill_on_drop: false }`
[INFO] [stdout] f40e95ce0675bb06f43861d3922e923eb8f7db163c323a3b37ff5b55deaa4e88
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3100b03bd3cfcd74e608b9747d89b3a78ac84f7c23aa0ef9f7ae3eba36f82de3
[INFO] running `Command { std: "docker" "start" "-a" "3100b03bd3cfcd74e608b9747d89b3a78ac84f7c23aa0ef9f7ae3eba36f82de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling markup-proc-macro v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling markup v0.15.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling stack-string v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "3100b03bd3cfcd74e608b9747d89b3a78ac84f7c23aa0ef9f7ae3eba36f82de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3100b03bd3cfcd74e608b9747d89b3a78ac84f7c23aa0ef9f7ae3eba36f82de3", kill_on_drop: false }`
[INFO] [stdout] 3100b03bd3cfcd74e608b9747d89b3a78ac84f7c23aa0ef9f7ae3eba36f82de3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ea7341cbe62eeec34bf878d3f13e745b9c2a505b42e87e555682ed47705fae
[INFO] running `Command { std: "docker" "start" "-a" "05ea7341cbe62eeec34bf878d3f13e745b9c2a505b42e87e555682ed47705fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling stack-string v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::format_sstr`
[INFO] [stdout]    --> src/stack_string.rs:595:13
[INFO] [stdout]     |
[INFO] [stdout] 595 |         use crate::format_sstr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "05ea7341cbe62eeec34bf878d3f13e745b9c2a505b42e87e555682ed47705fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ea7341cbe62eeec34bf878d3f13e745b9c2a505b42e87e555682ed47705fae", kill_on_drop: false }`
[INFO] [stdout] 05ea7341cbe62eeec34bf878d3f13e745b9c2a505b42e87e555682ed47705fae
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7477d86f02246e2a02a5e8a7d7ff3175be95ff3f8407ce3cc8f3dcc2bfbd4b55
[INFO] running `Command { std: "docker" "start" "-a" "7477d86f02246e2a02a5e8a7d7ff3175be95ff3f8407ce3cc8f3dcc2bfbd4b55", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::format_sstr`
[INFO] [stderr]    --> src/stack_string.rs:595:13
[INFO] [stderr]     |
[INFO] [stderr] 595 |         use crate::format_sstr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stack-string` (lib test) generated 1 warning (run `cargo fix --lib -p stack-string --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack_string-583575826ac933c3)
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test small_string::tests::test_as_ref ... ok
[INFO] [stdout] test small_string::tests::test_contains_char ... ok
[INFO] [stdout] test small_string::tests::test_default ... ok
[INFO] [stdout] test small_string::tests::test_from_display ... ok
[INFO] [stdout] test small_string::tests::test_equality ... ok
[INFO] [stdout] test small_string::tests::test_from_iterator_char ... ok
[INFO] [stdout] test small_string::tests::test_from_utf8 ... ok
[INFO] [stdout] test small_string::tests::test_partial_eq_string ... ok
[INFO] [stdout] test small_string::tests::test_into_smallstring ... ok
[INFO] [stdout] test small_string::tests::test_borrow ... ok
[INFO] [stdout] test small_string::tests::test_serde ... ok
[INFO] [stdout] test small_string::tests::test_sizeof ... ok
[INFO] [stdout] test small_string::tests::test_from_str ... ok
[INFO] [stdout] test small_string::tests::test_small_string_split_off ... ok
[INFO] [stdout] test small_string::tests::test_string_from_smallstring ... ok
[INFO] [stdout] test stack_cow::tests::test_as_ref ... ok
[INFO] [stdout] test stack_cow::tests::test_contains_char ... ok
[INFO] [stdout] test stack_cow::tests::test_contains_stack_cow ... ok
[INFO] [stdout] test stack_cow::tests::test_default ... ok
[INFO] [stdout] test stack_cow::tests::test_from_display ... ok
[INFO] [stdout] test stack_cow::tests::test_from_str ... ok
[INFO] [stdout] test stack_cow::tests::test_from_iterator_char ... ok
[INFO] [stdout] test stack_cow::tests::test_from_utf8 ... ok
[INFO] [stdout] test stack_cow::tests::test_partialeq_cow ... ok
[INFO] [stdout] test stack_cow::tests::test_partial_eq_string ... ok
[INFO] [stdout] test stack_string::tests::test_as_ref ... ok
[INFO] [stdout] test stack_cow::tests::test_string_from_stack_cow ... ok
[INFO] [stdout] test stack_cow::tests::test_serde ... ok
[INFO] [stdout] test stack_cow::tests::test_borrow ... ok
[INFO] [stdout] test stack_string::tests::test_compact_string_from_string ... ok
[INFO] [stdout] test stack_string::tests::test_borrow ... ok
[INFO] [stdout] test stack_string::tests::test_contains_char ... ok
[INFO] [stdout] test stack_cow::tests::test_from_utf8_lossy ... ok
[INFO] [stdout] test stack_cow::tests::test_stack_cow_from_string ... ok
[INFO] [stdout] test small_string::tests::test_smallstring_from_string ... ok
[INFO] [stdout] test small_string::tests::test_contains_smallstring ... ok
[INFO] [stdout] test stack_string::tests::test_contains_compact_string ... ok
[INFO] [stdout] test small_string::tests::test_write_smallstring ... ok
[INFO] [stdout] test stack_string::tests::test_equality ... ok
[INFO] [stdout] test stack_string::tests::test_default ... ok
[INFO] [stdout] test stack_string::tests::test_from_display ... ok
[INFO] [stdout] test stack_string::tests::test_from_iterator_char ... ok
[INFO] [stdout] test stack_string::tests::test_from_utf8_lossy ... ok
[INFO] [stdout] test stack_string::tests::test_format_sstr ... ok
[INFO] [stdout] test stack_string::tests::test_from_utf8_vec ... ok
[INFO] [stdout] test stack_string::tests::test_from_utf8 ... ok
[INFO] [stdout] test stack_string::tests::test_string_from_compact_string ... ok
[INFO] [stdout] test stack_string::tests::test_serde ... ok
[INFO] [stdout] test stack_string::tests::test_partial_eq_string ... ok
[INFO] [stdout] test stack_string::tests::test_partialeq_cow ... ok
[INFO] [stdout] test small_string::tests::test_partialeq_cow ... ok
[INFO] [stdout] test stack_string::tests::test_split_off ... ok
[INFO] [stdout] test stack_string::tests::test_from_str ... ok
[INFO] [stdout] test stack_cow::tests::test_equality ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack_string
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "7477d86f02246e2a02a5e8a7d7ff3175be95ff3f8407ce3cc8f3dcc2bfbd4b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7477d86f02246e2a02a5e8a7d7ff3175be95ff3f8407ce3cc8f3dcc2bfbd4b55", kill_on_drop: false }`
[INFO] [stdout] 7477d86f02246e2a02a5e8a7d7ff3175be95ff3f8407ce3cc8f3dcc2bfbd4b55