[INFO] fetching crate lock-hierarchy 0.2.0... [INFO] testing lock-hierarchy-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate lock-hierarchy 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate lock-hierarchy 0.2.0 [INFO] finished tweaking crates.io crate lock-hierarchy 0.2.0 [INFO] tweaked toml for crates.io crate lock-hierarchy 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lock-hierarchy 0.2.0 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 lock-hierarchy 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ca7c2f6b044dc0de7ff2dbdaf3ec83c4235be5d92fea518e9cb891dc15c71fca [INFO] running `Command { std: "docker" "start" "-a" "ca7c2f6b044dc0de7ff2dbdaf3ec83c4235be5d92fea518e9cb891dc15c71fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca7c2f6b044dc0de7ff2dbdaf3ec83c4235be5d92fea518e9cb891dc15c71fca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7c2f6b044dc0de7ff2dbdaf3ec83c4235be5d92fea518e9cb891dc15c71fca", kill_on_drop: false }` [INFO] [stdout] ca7c2f6b044dc0de7ff2dbdaf3ec83c4235be5d92fea518e9cb891dc15c71fca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f6e2ac248a3749b8035aea213e6e38a8c771c38c6d7ab0a96cd5ab6dea3cde69 [INFO] running `Command { std: "docker" "start" "-a" "f6e2ac248a3749b8035aea213e6e38a8c771c38c6d7ab0a96cd5ab6dea3cde69", kill_on_drop: false }` [INFO] [stderr] Compiling lock-hierarchy v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn lock(&self) -> LockResult> { [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] 51 | pub fn lock(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read(&self) -> LockResult> { [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] 51 | pub fn read(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn write(&self) -> LockResult> { [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] 60 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "f6e2ac248a3749b8035aea213e6e38a8c771c38c6d7ab0a96cd5ab6dea3cde69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e2ac248a3749b8035aea213e6e38a8c771c38c6d7ab0a96cd5ab6dea3cde69", kill_on_drop: false }` [INFO] [stdout] f6e2ac248a3749b8035aea213e6e38a8c771c38c6d7ab0a96cd5ab6dea3cde69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 37ad5669669abef91132dee96291e26f2540cb99e986a5890e82d44609f22468 [INFO] running `Command { std: "docker" "start" "-a" "37ad5669669abef91132dee96291e26f2540cb99e986a5890e82d44609f22468", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn lock(&self) -> LockResult> { [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] 51 | pub fn lock(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read(&self) -> LockResult> { [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] 51 | pub fn read(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn write(&self) -> LockResult> { [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] 60 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lock-hierarchy v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/mutex.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn lock(&self) -> LockResult> { [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] 51 | pub fn lock(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn read(&self) -> LockResult> { [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] 51 | pub fn read(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn write(&self) -> LockResult> { [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] 60 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "37ad5669669abef91132dee96291e26f2540cb99e986a5890e82d44609f22468", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37ad5669669abef91132dee96291e26f2540cb99e986a5890e82d44609f22468", kill_on_drop: false }` [INFO] [stdout] 37ad5669669abef91132dee96291e26f2540cb99e986a5890e82d44609f22468 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40cbbc1cb90362000ccd3cffb5c7451eec96c35e24d39ed28e1a7f780c7ed450 [INFO] running `Command { std: "docker" "start" "-a" "40cbbc1cb90362000ccd3cffb5c7451eec96c35e24d39ed28e1a7f780c7ed450", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/mutex.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn lock(&self) -> LockResult> { [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] 51 | pub fn lock(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/rwlock.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn read(&self) -> LockResult> { [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] 51 | pub fn read(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/rwlock.rs:60:18 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn write(&self) -> LockResult> { [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] 60 | pub fn write(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `lock-hierarchy` (lib) generated 3 warnings (run `cargo fix --lib -p lock-hierarchy` to apply 3 suggestions) [INFO] [stderr] warning: `lock-hierarchy` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lock_hierarchy-4e49cc50f7245093) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test level::tests::created_by_default_impl_should_be_level_0 ... ok [INFO] [stdout] test mutex::tests::acquire_resource ... ok [INFO] [stdout] test mutex::tests::mutex_created_by_from_impl_should_be_level_0 ... ok [INFO] [stdout] test mutex::tests::allow_mutation ... ok [INFO] [stdout] test mutex::tests::correct_level_locked ... ok [INFO] [stdout] test level::tests::two_level_0_in_succession ... ok [INFO] [stdout] test mutex::tests::multithreaded ... ok [INFO] [stdout] test level::tests::simultaneous_lock_if_higher_is_acquired_first ... ok [INFO] [stdout] test rwlock::tests::mutex_created_by_from_impl_should_be_level_0 ... ok [INFO] [stdout] test rwlock::tests::acquire_resource ... ok [INFO] [stdout] test rwlock::tests::allow_mutation ... ok [INFO] [stdout] test mutex::tests::created_by_default_impl_should_be_level_0 ... ok [INFO] [stdout] test level::tests::panic_if_two_mutexes_with_level_0_are_acquired - should panic ... ok [INFO] [stdout] test level::tests::self_deadlock_detected - should panic ... ok [INFO] [stdout] test rwlock::tests::poisoned_write_lock - should panic ... ok [INFO] [stdout] test rwlock::tests::self_deadlock_read - should panic ... ok [INFO] [stdout] test rwlock::tests::self_deadlock_write - should panic ... ok [INFO] [stdout] test level::tests::panic_if_0_is_acquired_before_1 - should panic ... ok [INFO] [stdout] test mutex::tests::self_deadlock - should panic ... ok [INFO] [stdout] test mutex::tests::poisoned_lock - should panic ... ok [INFO] [stdout] test rwlock::tests::poisoned_read_lock - should panic ... ok [INFO] [stdout] test rwlock::tests::correct_level_locked ... ok [INFO] [stdout] test rwlock::tests::created_by_default_impl_should_be_level_0 ... ok [INFO] [stdout] test rwlock::tests::multithreaded ... ok [INFO] [stdout] test level::tests::any_order_of_release ... ok [INFO] [stderr] Doc-tests lock_hierarchy [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/rwlock.rs - rwlock::RwLock (line 17) ... ok [INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40cbbc1cb90362000ccd3cffb5c7451eec96c35e24d39ed28e1a7f780c7ed450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40cbbc1cb90362000ccd3cffb5c7451eec96c35e24d39ed28e1a7f780c7ed450", kill_on_drop: false }` [INFO] [stdout] 40cbbc1cb90362000ccd3cffb5c7451eec96c35e24d39ed28e1a7f780c7ed450