[INFO] fetching crate latch 0.1.1...
[INFO] testing latch-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate latch 0.1.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate latch 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pollster v0.4.0
[INFO] [stderr]   Downloaded async-std v1.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9381aad23e2344b97d8ee0bf24194812174cebfab13f0c900795e1ad07e074
[INFO] running `Command { std: "docker" "start" "-a" "ff9381aad23e2344b97d8ee0bf24194812174cebfab13f0c900795e1ad07e074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9381aad23e2344b97d8ee0bf24194812174cebfab13f0c900795e1ad07e074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9381aad23e2344b97d8ee0bf24194812174cebfab13f0c900795e1ad07e074", kill_on_drop: false }`
[INFO] [stdout] ff9381aad23e2344b97d8ee0bf24194812174cebfab13f0c900795e1ad07e074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d039bfc5f6c1436449b6dd286da2f5ce8de0afda362bb4c85307399a153c2499
[INFO] running `Command { std: "docker" "start" "-a" "d039bfc5f6c1436449b6dd286da2f5ce8de0afda362bb4c85307399a153c2499", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.10.0
[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<LatchLock<S>> {
[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<LatchLock<'_, S>> {
[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<S> {
[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 `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d039bfc5f6c1436449b6dd286da2f5ce8de0afda362bb4c85307399a153c2499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d039bfc5f6c1436449b6dd286da2f5ce8de0afda362bb4c85307399a153c2499", kill_on_drop: false }`
[INFO] [stdout] d039bfc5f6c1436449b6dd286da2f5ce8de0afda362bb4c85307399a153c2499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c531d8296cbf96f74f00ca665d9f8969f4eba92342f59b003873502bfae647cc
[INFO] running `Command { std: "docker" "start" "-a" "c531d8296cbf96f74f00ca665d9f8969f4eba92342f59b003873502bfae647cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling pollster v0.4.0
[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<LatchLock<S>> {
[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<LatchLock<'_, S>> {
[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<S> {
[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 blocking v1.6.1
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling async-fs v2.1.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[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-global-executor v2.4.1
[INFO] [stderr]    Compiling async-net v2.0.0
[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<LatchLock<S>> {
[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<LatchLock<'_, S>> {
[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<S> {
[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 27.62s
[INFO] running `Command { std: "docker" "inspect" "c531d8296cbf96f74f00ca665d9f8969f4eba92342f59b003873502bfae647cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c531d8296cbf96f74f00ca665d9f8969f4eba92342f59b003873502bfae647cc", kill_on_drop: false }`
[INFO] [stdout] c531d8296cbf96f74f00ca665d9f8969f4eba92342f59b003873502bfae647cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82d731093394016410a8a315c3f3198a273f682a5931f88c60b246635715fd01
[INFO] running `Command { std: "docker" "start" "-a" "82d731093394016410a8a315c3f3198a273f682a5931f88c60b246635715fd01", 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<LatchLock<S>> {
[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<LatchLock<'_, S>> {
[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<S> {
[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 0.12s
[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_open ... ok
[INFO] [stdout] test tests::test_loop_strategy ... ok
[INFO] [stdout] test tests::test_latch_initial_state ... ok
[INFO] [stdout] test tests::test_latch_open_idempotent ... ok
[INFO] [stdout] test tests::test_memory_layout ... ok
[INFO] [stdout] test tests::test_async_std_wait_already_open ... ok
[INFO] [stdout] test tests::test_pollster_wait_already_open ... ok
[INFO] [stdout] test tests::test_smol_wait_already_open ... ok
[INFO] [stdout] test tests::test_async_std_multiple_waiters ... ok
[INFO] [stdout] test tests::test_smol_multiple_waiters ... ok
[INFO] [stdout] test tests::test_smol_latch_wait ... ok
[INFO] [stdout] test tests::test_async_std_latch_wait ... ok
[INFO] [stdout] test tests::test_tokio_multiple_waiters ... ok
[INFO] [stdout] test tests::test_pollster_open_after_wait ... ok
[INFO] [stdout] test tests::test_tokio_wait_already_open ... ok
[INFO] [stdout] test tests::test_tokio_latch_wait ... ok
[INFO] [stdout] test tests::test_tokio_concurrent_waiters_and_openers ... 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 135) ... ok
[INFO] [stdout] test src/lib.rs - Latch (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Latch (line 165) ... ok
[INFO] [stdout] test src/lib.rs - Latch<S>::new (line 282) ... 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] [stdout] all doctests ran in 1.28s; merged doctests compilation took 1.16s
[INFO] running `Command { std: "docker" "inspect" "82d731093394016410a8a315c3f3198a273f682a5931f88c60b246635715fd01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d731093394016410a8a315c3f3198a273f682a5931f88c60b246635715fd01", kill_on_drop: false }`
[INFO] [stdout] 82d731093394016410a8a315c3f3198a273f682a5931f88c60b246635715fd01
