[INFO] fetching crate sharded_mutex 2.1.0... [INFO] testing sharded_mutex-2.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate sharded_mutex 2.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate sharded_mutex 2.1.0 [INFO] finished tweaking crates.io crate sharded_mutex 2.1.0 [INFO] tweaked toml for crates.io crate sharded_mutex 2.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sharded_mutex 2.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded assoc_threadlocal v0.0.1 [INFO] [stderr] Downloaded assoc_static v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5ebe5eefa0361a1bedd8bc60f9e7ab969acc568918508921a4ee89c2f09daa3 [INFO] running `Command { std: "docker" "start" "-a" "c5ebe5eefa0361a1bedd8bc60f9e7ab969acc568918508921a4ee89c2f09daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5ebe5eefa0361a1bedd8bc60f9e7ab969acc568918508921a4ee89c2f09daa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ebe5eefa0361a1bedd8bc60f9e7ab969acc568918508921a4ee89c2f09daa3", kill_on_drop: false }` [INFO] [stdout] c5ebe5eefa0361a1bedd8bc60f9e7ab969acc568918508921a4ee89c2f09daa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e6bed82e1dc32c77c2fa51772c7ad82496c2c5317d18100140172668a5550eb [INFO] running `Command { std: "docker" "start" "-a" "9e6bed82e1dc32c77c2fa51772c7ad82496c2c5317d18100140172668a5550eb", kill_on_drop: false }` [INFO] [stderr] Compiling assoc_static v1.0.0 [INFO] [stderr] Compiling assoc_threadlocal v0.0.1 [INFO] [stderr] Compiling sharded_mutex v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:247:17 [INFO] [stdout] | [INFO] [stdout] 247 | pub fn lock(&self) -> ShardedMutexGuard { [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] 247 | pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:257:21 [INFO] [stdout] | [INFO] [stdout] 257 | 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] 257 | 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/lib.rs:265:25 [INFO] [stdout] | [INFO] [stdout] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:280:49 [INFO] [stdout] | [INFO] [stdout] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard; N] { [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] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:318:19 [INFO] [stdout] | [INFO] [stdout] 318 | objects: [&Self; N], [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 319 | ) -> Option<[ShardedMutexGuard; N]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 | ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:482:17 [INFO] [stdout] | [INFO] [stdout] 480 | new: &'a ShardedMutex, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 481 | timeout: Duration, [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard<'a, T, TAG>> [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "9e6bed82e1dc32c77c2fa51772c7ad82496c2c5317d18100140172668a5550eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e6bed82e1dc32c77c2fa51772c7ad82496c2c5317d18100140172668a5550eb", kill_on_drop: false }` [INFO] [stdout] 9e6bed82e1dc32c77c2fa51772c7ad82496c2c5317d18100140172668a5550eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 480a6f468aadf742c41f8cbd8ffec0f0aa5a5db6a7e370e069d4eaa88fe6da6d [INFO] running `Command { std: "docker" "start" "-a" "480a6f468aadf742c41f8cbd8ffec0f0aa5a5db6a7e370e069d4eaa88fe6da6d", kill_on_drop: false }` [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:247:17 [INFO] [stdout] | [INFO] [stdout] 247 | pub fn lock(&self) -> ShardedMutexGuard { [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] 247 | pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:257:21 [INFO] [stdout] | [INFO] [stdout] 257 | 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] 257 | 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/lib.rs:265:25 [INFO] [stdout] | [INFO] [stdout] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:280:49 [INFO] [stdout] | [INFO] [stdout] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard; N] { [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] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:318:19 [INFO] [stdout] | [INFO] [stdout] 318 | objects: [&Self; N], [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 319 | ) -> Option<[ShardedMutexGuard; N]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 | ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:482:17 [INFO] [stdout] | [INFO] [stdout] 480 | new: &'a ShardedMutex, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 481 | timeout: Duration, [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard<'a, T, TAG>> [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sharded_mutex v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/integration.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use sharded_mutex::*; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | #[test] [INFO] [stdout] 4 | | fn simple_i32() { [INFO] [stdout] ... | [INFO] [stdout] 80 | | assert_eq!(y.lock().0, 234); [INFO] [stdout] 81 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:247:17 [INFO] [stdout] | [INFO] [stdout] 247 | pub fn lock(&self) -> ShardedMutexGuard { [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] 247 | pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:257:21 [INFO] [stdout] | [INFO] [stdout] 257 | 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] 257 | 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/lib.rs:265:25 [INFO] [stdout] | [INFO] [stdout] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:280:49 [INFO] [stdout] | [INFO] [stdout] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard; N] { [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] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:318:19 [INFO] [stdout] | [INFO] [stdout] 318 | objects: [&Self; N], [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 319 | ) -> Option<[ShardedMutexGuard; N]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 | ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:482:17 [INFO] [stdout] | [INFO] [stdout] 480 | new: &'a ShardedMutex, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 481 | timeout: Duration, [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard<'a, T, TAG>> [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "480a6f468aadf742c41f8cbd8ffec0f0aa5a5db6a7e370e069d4eaa88fe6da6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "480a6f468aadf742c41f8cbd8ffec0f0aa5a5db6a7e370e069d4eaa88fe6da6d", kill_on_drop: false }` [INFO] [stdout] 480a6f468aadf742c41f8cbd8ffec0f0aa5a5db6a7e370e069d4eaa88fe6da6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0c42935ca37b3ac0084fd9025b074037b09f4b66d845d4640b7ef414c54ffcad [INFO] running `Command { std: "docker" "start" "-a" "0c42935ca37b3ac0084fd9025b074037b09f4b66d845d4640b7ef414c54ffcad", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:247:17 [INFO] [stderr] | [INFO] [stderr] 247 | pub fn lock(&self) -> ShardedMutexGuard { [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] 247 | pub fn lock(&self) -> ShardedMutexGuard<'_, T, TAG> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:257:21 [INFO] [stderr] | [INFO] [stderr] 257 | 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] 257 | pub fn try_lock(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:265:25 [INFO] [stderr] | [INFO] [stderr] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stderr] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 265 | pub fn try_lock_for(&self, timeout: Duration) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:280:49 [INFO] [stderr] | [INFO] [stderr] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard; N] { [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] 280 | pub fn multi_lock(objects: [&Self; N]) -> [ShardedMutexGuard<'_, T, TAG>; N] { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:318:19 [INFO] [stderr] | [INFO] [stderr] 318 | objects: [&Self; N], [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] 319 | ) -> Option<[ShardedMutexGuard; N]> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 319 | ) -> Option<[ShardedMutexGuard<'_, T, TAG>; N]> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/lib.rs:482:17 [INFO] [stderr] | [INFO] [stderr] 480 | new: &'a ShardedMutex, [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 481 | timeout: Duration, [INFO] [stderr] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 482 | ) -> Result, ShardedMutexGuard<'a, T, TAG>> [INFO] [stderr] | +++ +++ [INFO] [stderr] [INFO] [stderr] warning: `sharded_mutex` (lib) generated 6 warnings (run `cargo fix --lib -p sharded_mutex` to apply 6 suggestions) [INFO] [stderr] warning: missing documentation for the crate [INFO] [stderr] --> tests/integration.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / use sharded_mutex::*; [INFO] [stderr] 2 | | [INFO] [stderr] 3 | | #[test] [INFO] [stderr] 4 | | fn simple_i32() { [INFO] [stderr] ... | [INFO] [stderr] 80 | | assert_eq!(y.lock().0, 234); [INFO] [stderr] 81 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: requested on the command line with `-W missing-docs` [INFO] [stderr] [INFO] [stderr] warning: `sharded_mutex` (test "integration") generated 1 warning [INFO] [stderr] warning: `sharded_mutex` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sharded_mutex-366b2b14d7a681f7) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test tests::multi_lock ... ok [INFO] [stdout] test tests::pseudo_atomic_ops ... ok [INFO] [stdout] test tests::into_inner ... ok [INFO] [stdout] test tests::get_mut ... ok [INFO] [stdout] test tests::test_size ... ok [INFO] [stdout] test tests::test_raw_try_lock ... ok [INFO] [stdout] test tests::simple_lock ... ok [INFO] [stdout] test tests::try_multi_lock ... ok [INFO] [stdout] test tests::test_raw_try_lock_for ... ok [INFO] [stdout] test tests::smoke ... ok [INFO] [stdout] test tests::multi_deadlock - should panic ... ok [INFO] [stdout] test tests::simple_deadlock - should panic ... ok [INFO] [stdout] test tests::try_lock ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::try_lock stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::try_lock' (37) panicked at src/lib.rs:654:34: [INFO] [stdout] called `Option::unwrap()` on a `None` value [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x60dac7c0ece2 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60dac7c0ece2 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60dac7c0ece2 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60dac7c0ece2 - ::fmt::h52160e9da139e442 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60dac7c1eeef - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x60dac7c1eeef - core::fmt::write::hf09a056a304e021a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x60dac7bdbd81 - std::io::default_write_fmt::hf1a3645468226e09 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60dac7bdbd81 - std::io::Write::write_fmt::ha5ada6d6a18bde33 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x60dac7be7e52 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60dac7bec99f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x60dac7bec831 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x60dac7ba136e - as core::ops::function::Fn>::call::h3d020961abd83a77 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 12: 0x60dac7ba136e - test::test_main_with_exit_callback::{{closure}}::h720dd2fdb2ddcdca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x60dac7bed05f - as core::ops::function::Fn>::call::h75334a5fed245bca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 14: 0x60dac7bed05f - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x60dac7bece86 - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:700:13 [INFO] [stdout] 16: 0x60dac7be7f89 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x60dac7bd027d - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x60dac7c269c0 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stdout] 19: 0x60dac7c2699c - core::panicking::panic::h43cc40e5e3a930ed [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:148:5 [INFO] [stdout] 20: 0x60dac7c25f59 - core::option::unwrap_failed::h4152d810f98bf163 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/option.rs:2169:5 [INFO] [stdout] 21: 0x60dac7b77c3b - core::option::Option::unwrap::h91615cb0f7486030 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/option.rs:1010:21 [INFO] [stdout] 22: 0x60dac7b77c3b - sharded_mutex::tests::try_lock::h22360a8afef2f8eb [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:654:34 [INFO] [stdout] 23: 0x60dac7b77fa7 - sharded_mutex::tests::try_lock::{{closure}}::h02570226a5403fbf [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:652:18 [INFO] [stdout] 24: 0x60dac7b7b196 - core::ops::function::FnOnce::call_once::h9a7858e48b8db6e0 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x60dac7ba119b - core::ops::function::FnOnce::call_once::h933a5d67211adff2 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x60dac7ba119b - test::__rust_begin_short_backtrace::h2157af19b0990ffb [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:663:18 [INFO] [stdout] 27: 0x60dac7bb6d75 - test::run_test_in_process::{{closure}}::hc3b17e0f313c900a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:74 [INFO] [stdout] 28: 0x60dac7bb6d75 - as core::ops::function::FnOnce<()>>::call_once::ha23e4b490259273c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 29: 0x60dac7bb6d75 - std::panicking::catch_unwind::do_call::h8dc9d5da83792f7a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x60dac7bb6d75 - std::panicking::catch_unwind::h0d8461330de4a18b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x60dac7bb6d75 - std::panic::catch_unwind::h0321b51397bf9811 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x60dac7bb6d75 - test::run_test_in_process::hcaaa440fdbe4a513 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:27 [INFO] [stdout] 33: 0x60dac7bb6d75 - test::run_test::{{closure}}::h6345da602b85d6c3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:607:43 [INFO] [stdout] 34: 0x60dac7b8d584 - test::run_test::{{closure}}::h90a3b75194d37b5d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:637:41 [INFO] [stdout] 35: 0x60dac7b8d584 - std::sys::backtrace::__rust_begin_short_backtrace::hae41a17001f53ede [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 36: 0x60dac7b90e4a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6ea895368381e0b1 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x60dac7b90e4a - as core::ops::function::FnOnce<()>>::call_once::h9c39013633bb9237 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 38: 0x60dac7b90e4a - std::panicking::catch_unwind::do_call::hac7dba9ee4d99108 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 39: 0x60dac7b90e4a - std::panicking::catch_unwind::h73015d00e4866ebc [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 40: 0x60dac7b90e4a - std::panic::catch_unwind::h6f7b38e188aa4f62 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x60dac7b90e4a - std::thread::Builder::spawn_unchecked_::{{closure}}::h969a6a2dc1856df7 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x60dac7b90e4a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h269ad1ff23e72122 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x60dac7be30cf - as core::ops::function::FnOnce>::call_once::hdd09a470c130e806 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1973:9 [INFO] [stdout] 44: 0x60dac7be30cf - std::sys::thread::unix::Thread::new::thread_start::h14ea1ba6e320367c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 45: 0x7c7fb62c4aa4 - [INFO] [stdout] 46: 0x7c7fb6351a34 - clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::try_lock [INFO] [stdout] [INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "0c42935ca37b3ac0084fd9025b074037b09f4b66d845d4640b7ef414c54ffcad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c42935ca37b3ac0084fd9025b074037b09f4b66d845d4640b7ef414c54ffcad", kill_on_drop: false }` [INFO] [stdout] 0c42935ca37b3ac0084fd9025b074037b09f4b66d845d4640b7ef414c54ffcad