[INFO] fetching crate gen-combinations 0.1.0... [INFO] testing gen-combinations-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate gen-combinations 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate gen-combinations 0.1.0 [INFO] finished tweaking crates.io crate gen-combinations 0.1.0 [INFO] tweaked toml for crates.io crate gen-combinations 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gen-combinations 0.1.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages to latest compatible versions [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b32143f1f602b596faa9e8e185a8a980cf953587579fd9c06837e05c25deaadf [INFO] running `Command { std: "docker" "start" "-a" "b32143f1f602b596faa9e8e185a8a980cf953587579fd9c06837e05c25deaadf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b32143f1f602b596faa9e8e185a8a980cf953587579fd9c06837e05c25deaadf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b32143f1f602b596faa9e8e185a8a980cf953587579fd9c06837e05c25deaadf", kill_on_drop: false }` [INFO] [stdout] b32143f1f602b596faa9e8e185a8a980cf953587579fd9c06837e05c25deaadf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 81bfff6f22401e375eb57ff2bb8b2721d0a11cb8d2848b42c9390229e402c15b [INFO] running `Command { std: "docker" "start" "-a" "81bfff6f22401e375eb57ff2bb8b2721d0a11cb8d2848b42c9390229e402c15b", kill_on_drop: false }` [INFO] [stderr] Compiling gen-combinations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:39:23 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "81bfff6f22401e375eb57ff2bb8b2721d0a11cb8d2848b42c9390229e402c15b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81bfff6f22401e375eb57ff2bb8b2721d0a11cb8d2848b42c9390229e402c15b", kill_on_drop: false }` [INFO] [stdout] 81bfff6f22401e375eb57ff2bb8b2721d0a11cb8d2848b42c9390229e402c15b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ac1a84099df426f97864a3e553f028039f73b094ef36028d72ad8ab549085b6f [INFO] running `Command { std: "docker" "start" "-a" "ac1a84099df426f97864a3e553f028039f73b094ef36028d72ad8ab549085b6f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling writeable v0.6.1 [INFO] [stderr] Compiling litemap v0.8.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling hashbrown v0.16.0 [INFO] [stderr] Compiling percent-encoding v2.3.2 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Compiling utf8_iter v1.0.4 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling form_urlencoded v1.2.2 [INFO] [stderr] Compiling unicase v2.8.1 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:39:23 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling indexmap v2.11.4 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling zerovec v0.11.4 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.3 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling serde_spanned v0.6.9 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling toml v0.7.8 [INFO] [stderr] Compiling version-sync v0.9.5 [INFO] [stderr] Compiling gen-combinations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:39:23 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 49.13s [INFO] running `Command { std: "docker" "inspect" "ac1a84099df426f97864a3e553f028039f73b094ef36028d72ad8ab549085b6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac1a84099df426f97864a3e553f028039f73b094ef36028d72ad8ab549085b6f", kill_on_drop: false }` [INFO] [stdout] ac1a84099df426f97864a3e553f028039f73b094ef36028d72ad8ab549085b6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 44a8097f61fbd230c1b3fe3c1aa759268bb1e70c45c84f7c956a56a6342e7449 [INFO] running `Command { std: "docker" "start" "-a" "44a8097f61fbd230c1b3fe3c1aa759268bb1e70c45c84f7c956a56a6342e7449", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:39:23 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator { [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 39 | pub fn new(items: &[T], n: usize) -> CombinationIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `gen-combinations` (lib) generated 1 warning (run `cargo fix --lib -p gen-combinations` to apply 1 suggestion) [INFO] [stderr] warning: `gen-combinations` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gen_combinations-61c564c5e6e7a901) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test generate_combinations_of_things_that_arent_copy_just_to_be_sure ... ok [INFO] [stdout] test generate_more_combinations ... ok [INFO] [stdout] test generate_combinations ... ok [INFO] [stdout] test misuse_arguments ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-314c7c2fdadf9168) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_html_root_url ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests gen_combinations [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - CombinationIterator (line 18) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "44a8097f61fbd230c1b3fe3c1aa759268bb1e70c45c84f7c956a56a6342e7449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44a8097f61fbd230c1b3fe3c1aa759268bb1e70c45c84f7c956a56a6342e7449", kill_on_drop: false }` [INFO] [stdout] 44a8097f61fbd230c1b3fe3c1aa759268bb1e70c45c84f7c956a56a6342e7449