[INFO] fetching crate extra_waiters 1.0.1... [INFO] testing extra_waiters-1.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate extra_waiters 1.0.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate extra_waiters 1.0.1 [INFO] finished tweaking crates.io crate extra_waiters 1.0.1 [INFO] tweaked toml for crates.io crate extra_waiters 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate extra_waiters 1.0.1 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 10 packages to latest compatible versions [INFO] [stderr] Adding parking_lot_core v0.8.6 (available: v0.9.11) [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] bb16acc0d3293a207cb690f149e4af98d6166c3ddc6dc5d95c6b8b5bf441d3aa [INFO] running `Command { std: "docker" "start" "-a" "bb16acc0d3293a207cb690f149e4af98d6166c3ddc6dc5d95c6b8b5bf441d3aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb16acc0d3293a207cb690f149e4af98d6166c3ddc6dc5d95c6b8b5bf441d3aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb16acc0d3293a207cb690f149e4af98d6166c3ddc6dc5d95c6b8b5bf441d3aa", kill_on_drop: false }` [INFO] [stdout] bb16acc0d3293a207cb690f149e4af98d6166c3ddc6dc5d95c6b8b5bf441d3aa [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] 09734ba6ca9a78f856ceb5193776e704eb2848b1300fc558ba33697ff06617c1 [INFO] running `Command { std: "docker" "start" "-a" "09734ba6ca9a78f856ceb5193776e704eb2848b1300fc558ba33697ff06617c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling extra_waiters v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn lock(&self) -> SpinlockGuard { [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] 19 | pub fn lock(&self) -> SpinlockGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `Command { std: "docker" "inspect" "09734ba6ca9a78f856ceb5193776e704eb2848b1300fc558ba33697ff06617c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09734ba6ca9a78f856ceb5193776e704eb2848b1300fc558ba33697ff06617c1", kill_on_drop: false }` [INFO] [stdout] 09734ba6ca9a78f856ceb5193776e704eb2848b1300fc558ba33697ff06617c1 [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] 097a86378a6cd31cef4889a362626c2c40ce5e726fc378af82ec9c6ac54d0256 [INFO] running `Command { std: "docker" "start" "-a" "097a86378a6cd31cef4889a362626c2c40ce5e726fc378af82ec9c6ac54d0256", kill_on_drop: false }` [INFO] [stderr] Compiling extra_waiters v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn lock(&self) -> SpinlockGuard { [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] 19 | pub fn lock(&self) -> SpinlockGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn lock(&self) -> SpinlockGuard { [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] 19 | pub fn lock(&self) -> SpinlockGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/spinlock_waiter.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn try_lock(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "097a86378a6cd31cef4889a362626c2c40ce5e726fc378af82ec9c6ac54d0256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "097a86378a6cd31cef4889a362626c2c40ce5e726fc378af82ec9c6ac54d0256", kill_on_drop: false }` [INFO] [stdout] 097a86378a6cd31cef4889a362626c2c40ce5e726fc378af82ec9c6ac54d0256 [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] 41e9d73f03926e73bb74c60c0c939486c4a3eb2ba4e19e701d12dc3e75175757 [INFO] running `Command { std: "docker" "start" "-a" "41e9d73f03926e73bb74c60c0c939486c4a3eb2ba4e19e701d12dc3e75175757", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/spinlock_waiter.rs:19:17 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn lock(&self) -> SpinlockGuard { [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] 19 | pub fn lock(&self) -> SpinlockGuard<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/spinlock_waiter.rs:32:21 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn try_lock(&self) -> Option { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 32 | pub fn try_lock(&self) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `extra_waiters` (lib) generated 2 warnings (run `cargo fix --lib -p extra_waiters` to apply 2 suggestions) [INFO] [stderr] warning: `extra_waiters` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/extra_waiters-5c085548a8a6c1d9) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test attentive_waiter::tests::ensure_const ... ok [INFO] [stdout] test attentive_waiter::tests::timeout ... ok [INFO] [stdout] test attentive_waiter::tests::wait ... ok [INFO] [stdout] test once_waiter::tests::create ... ok [INFO] [stdout] test spinlock_waiter::tests::create ... ok [INFO] [stdout] test spinlock_waiter::tests::lock ... ok [INFO] [stdout] test spinlock_waiter::tests::unlock ... ok [INFO] [stdout] test attentive_waiter::tests::wait_hooked ... ok [INFO] [stdout] test once_waiter::tests::ensure_once ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests extra_waiters [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21) stdout ---- [INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>` [INFO] [stdout] --> src/attentive_waiter.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 13 | let mut items = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | if item.try_lock() { [INFO] [stdout] | -------- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `items` an explicit type, where the placeholders `_` are specified [INFO] [stdout] | [INFO] [stdout] 13 | let mut items: Vec = Vec::new(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "41e9d73f03926e73bb74c60c0c939486c4a3eb2ba4e19e701d12dc3e75175757", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41e9d73f03926e73bb74c60c0c939486c4a3eb2ba4e19e701d12dc3e75175757", kill_on_drop: false }` [INFO] [stdout] 41e9d73f03926e73bb74c60c0c939486c4a3eb2ba4e19e701d12dc3e75175757