[INFO] fetching crate latch 0.1.1... [INFO] testing latch-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate latch 0.1.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate latch 0.1.1 [INFO] finished tweaking crates.io crate latch 0.1.1 [INFO] tweaked toml for crates.io crate latch 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate latch 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate latch 0.1.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-fs v2.1.2 [INFO] [stderr] Downloaded async-executor v1.13.1 [INFO] [stderr] Downloaded async-std v1.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87057d39ed8d341f93d1fd5a982548bdd1789e6baf92513ef35d9e2d02cdb58e [INFO] running `Command { std: "docker" "start" "-a" "87057d39ed8d341f93d1fd5a982548bdd1789e6baf92513ef35d9e2d02cdb58e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87057d39ed8d341f93d1fd5a982548bdd1789e6baf92513ef35d9e2d02cdb58e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87057d39ed8d341f93d1fd5a982548bdd1789e6baf92513ef35d9e2d02cdb58e", kill_on_drop: false }` [INFO] [stdout] 87057d39ed8d341f93d1fd5a982548bdd1789e6baf92513ef35d9e2d02cdb58e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc016f8b973fe36f90ccee8e6bfedf226a6dfd2e4ad8bb7a4caf78ad38835fae [INFO] running `Command { std: "docker" "start" "-a" "bc016f8b973fe36f90ccee8e6bfedf226a6dfd2e4ad8bb7a4caf78ad38835fae", kill_on_drop: false }` [INFO] [stderr] Compiling spin v0.10.0 [INFO] [stderr] Compiling latch v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:298:13 [INFO] [stdout] | [INFO] [stdout] 298 | fn 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 298 | fn lock(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn wait(&self) -> LatchWait { [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] 333 | pub fn wait(&self) -> LatchWait<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bc016f8b973fe36f90ccee8e6bfedf226a6dfd2e4ad8bb7a4caf78ad38835fae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc016f8b973fe36f90ccee8e6bfedf226a6dfd2e4ad8bb7a4caf78ad38835fae", kill_on_drop: false }` [INFO] [stdout] bc016f8b973fe36f90ccee8e6bfedf226a6dfd2e4ad8bb7a4caf78ad38835fae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3ff1f968f61d4255e8e4e167cfef0e4fb8804828024d668b2f4a66907c98f7a [INFO] running `Command { std: "docker" "start" "-a" "a3ff1f968f61d4255e8e4e167cfef0e4fb8804828024d668b2f4a66907c98f7a", kill_on_drop: false }` [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling pollster v0.4.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:298:13 [INFO] [stdout] | [INFO] [stdout] 298 | fn 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 298 | fn lock(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn wait(&self) -> LatchWait { [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] 333 | pub fn wait(&self) -> LatchWait<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling event-listener v5.4.0 [INFO] [stderr] Compiling async-executor v1.13.1 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-lock v3.4.0 [INFO] [stderr] Compiling async-channel v2.3.1 [INFO] [stderr] Compiling blocking v1.6.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling async-fs v2.1.2 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.44.2 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling polling v3.7.4 [INFO] [stderr] Compiling async-io v2.4.0 [INFO] [stderr] Compiling async-signal v0.2.10 [INFO] [stderr] Compiling async-net v2.0.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-process v2.3.0 [INFO] [stderr] Compiling async-std v1.13.1 [INFO] [stderr] Compiling smol v2.0.2 [INFO] [stderr] Compiling latch v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:298:13 [INFO] [stdout] | [INFO] [stdout] 298 | fn 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 298 | fn lock(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:333:17 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn wait(&self) -> LatchWait { [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] 333 | pub fn wait(&self) -> LatchWait<'_, S> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 20.71s [INFO] running `Command { std: "docker" "inspect" "a3ff1f968f61d4255e8e4e167cfef0e4fb8804828024d668b2f4a66907c98f7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ff1f968f61d4255e8e4e167cfef0e4fb8804828024d668b2f4a66907c98f7a", kill_on_drop: false }` [INFO] [stdout] a3ff1f968f61d4255e8e4e167cfef0e4fb8804828024d668b2f4a66907c98f7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d0e605d9e7375f6c87437e2cc8f418148d0332d031d1f4b4694e5591a53df9c [INFO] running `Command { std: "docker" "start" "-a" "4d0e605d9e7375f6c87437e2cc8f418148d0332d031d1f4b4694e5591a53df9c", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:298:13 [INFO] [stderr] | [INFO] [stderr] 298 | fn 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 298 | fn lock(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:333:17 [INFO] [stderr] | [INFO] [stderr] 333 | pub fn wait(&self) -> LatchWait { [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] 333 | pub fn wait(&self) -> LatchWait<'_, S> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `latch` (lib) generated 2 warnings (run `cargo fix --lib -p latch` to apply 2 suggestions) [INFO] [stderr] warning: `latch` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/latch-09ffff98412c6404) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test tests::test_latch_initial_state ... ok [INFO] [stdout] test tests::test_latch_open ... ok [INFO] [stdout] test tests::test_latch_open_idempotent ... ok [INFO] [stdout] test tests::test_loop_strategy ... ok [INFO] [stdout] test tests::test_pollster_wait_already_open ... ok [INFO] [stdout] test tests::test_memory_layout ... ok [INFO] [stdout] test tests::test_smol_wait_already_open ... ok [INFO] [stdout] test tests::test_smol_multiple_waiters ... ok [INFO] [stdout] test tests::test_async_std_wait_already_open ... ok [INFO] [stdout] test tests::test_tokio_wait_already_open ... ok [INFO] [stdout] test tests::test_pollster_open_after_wait ... ok [INFO] [stdout] test tests::test_smol_latch_wait ... ok [INFO] [stdout] test tests::test_async_std_multiple_waiters ... ok [INFO] [stdout] test tests::test_tokio_multiple_waiters ... ok [INFO] [stdout] test tests::test_tokio_concurrent_waiters_and_openers ... ok [INFO] [stdout] test tests::test_tokio_latch_wait ... ok [INFO] [stdout] test tests::test_async_std_latch_wait ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests latch [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - Latch (line 165) ... ok [INFO] [stdout] test src/lib.rs - Latch::new (line 282) ... ok [INFO] [stdout] test src/lib.rs - Latch (line 113) ... ok [INFO] [stdout] test src/lib.rs - Latch (line 135) ... ok [INFO] [stdout] test src/../README.md - (line 63) ... ok [INFO] [stdout] test src/../README.md - (line 33) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d0e605d9e7375f6c87437e2cc8f418148d0332d031d1f4b4694e5591a53df9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d0e605d9e7375f6c87437e2cc8f418148d0332d031d1f4b4694e5591a53df9c", kill_on_drop: false }` [INFO] [stdout] 4d0e605d9e7375f6c87437e2cc8f418148d0332d031d1f4b4694e5591a53df9c