[INFO] fetching crate shared-mutex 0.3.1... [INFO] testing shared-mutex-0.3.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate shared-mutex 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate shared-mutex 0.3.1 [INFO] finished tweaking crates.io crate shared-mutex 0.3.1 [INFO] tweaked toml for crates.io crate shared-mutex 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shared-mutex 0.3.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding scoped-pool v0.1.10 (available: v1.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e567dff36ffea695c47c0685db30564f60e8e66e8e49561ff6c5490c6f4a1db [INFO] running `Command { std: "docker" "start" "-a" "7e567dff36ffea695c47c0685db30564f60e8e66e8e49561ff6c5490c6f4a1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e567dff36ffea695c47c0685db30564f60e8e66e8e49561ff6c5490c6f4a1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e567dff36ffea695c47c0685db30564f60e8e66e8e49561ff6c5490c6f4a1db", kill_on_drop: false }` [INFO] [stdout] 7e567dff36ffea695c47c0685db30564f60e8e66e8e49561ff6c5490c6f4a1db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba6c0786aff0853b9907773926f40999d7a0b4e893ff4f73e6cde5abf03d9497 [INFO] running `Command { std: "docker" "start" "-a" "ba6c0786aff0853b9907773926f40999d7a0b4e893ff4f73e6cde5abf03d9497", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling poison v0.1.0 [INFO] [stderr] Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | Ok(try!(unsafe { SharedMutexReadGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:16 [INFO] [stdout] | [INFO] [stdout] 92 | Ok(try!(unsafe { SharedMutexWriteGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | unsafe { self.data.into_inner().into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | 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] 69 | 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/lib.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn try_read(&self) -> TryLockResult> { [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] 78 | pub fn try_read(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn try_write(&self) -> TryLockResult> { [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] 90 | pub fn try_write(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/monitor.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | 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] 47 | 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/monitor.rs:57:18 [INFO] [stdout] | [INFO] [stdout] 57 | 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] 57 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let _ = self.unlock_read_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 | let _unused = self.unlock_read_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 - let _ = self.unlock_read_to(); [INFO] [stdout] 141 + drop(self.unlock_read_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:144:23 [INFO] [stdout] | [INFO] [stdout] 144 | fn unlock_read_to(&self) -> MutexGuard { [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] 144 | fn unlock_read_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let _ = self.unlock_write_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 | let _unused = self.unlock_write_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 - let _ = self.unlock_write_to(); [INFO] [stdout] 173 + drop(self.unlock_write_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:177:24 [INFO] [stdout] | [INFO] [stdout] 177 | fn unlock_write_to(&self) -> MutexGuard { [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] 177 | fn unlock_write_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "ba6c0786aff0853b9907773926f40999d7a0b4e893ff4f73e6cde5abf03d9497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba6c0786aff0853b9907773926f40999d7a0b4e893ff4f73e6cde5abf03d9497", kill_on_drop: false }` [INFO] [stdout] ba6c0786aff0853b9907773926f40999d7a0b4e893ff4f73e6cde5abf03d9497 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de6e4b3e66eb27f1cb7eb199c039cfad1ec643144690c4acadf760667564c804 [INFO] running `Command { std: "docker" "start" "-a" "de6e4b3e66eb27f1cb7eb199c039cfad1ec643144690c4acadf760667564c804", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling variance v0.1.3 [INFO] [stderr] Compiling scopeguard v0.1.2 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | Ok(try!(unsafe { SharedMutexReadGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:16 [INFO] [stdout] | [INFO] [stdout] 92 | Ok(try!(unsafe { SharedMutexWriteGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | unsafe { self.data.into_inner().into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | 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] 69 | 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/lib.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn try_read(&self) -> TryLockResult> { [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] 78 | pub fn try_read(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn try_write(&self) -> TryLockResult> { [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] 90 | pub fn try_write(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/monitor.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | 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] 47 | 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/monitor.rs:57:18 [INFO] [stdout] | [INFO] [stdout] 57 | 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] 57 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let _ = self.unlock_read_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 | let _unused = self.unlock_read_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 - let _ = self.unlock_read_to(); [INFO] [stdout] 141 + drop(self.unlock_read_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:144:23 [INFO] [stdout] | [INFO] [stdout] 144 | fn unlock_read_to(&self) -> MutexGuard { [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] 144 | fn unlock_read_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let _ = self.unlock_write_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 | let _unused = self.unlock_write_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 - let _ = self.unlock_write_to(); [INFO] [stdout] 173 + drop(self.unlock_write_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:177:24 [INFO] [stdout] | [INFO] [stdout] 177 | fn unlock_write_to(&self) -> MutexGuard { [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] 177 | fn unlock_write_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped-pool v0.1.10 [INFO] [stderr] Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | Ok(try!(unsafe { SharedMutexReadGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:92:16 [INFO] [stdout] | [INFO] [stdout] 92 | Ok(try!(unsafe { SharedMutexWriteGuard::new(self) })) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | unsafe { self.data.into_inner().into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | 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] 69 | 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/lib.rs:78:21 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn try_read(&self) -> TryLockResult> { [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] 78 | pub fn try_read(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:90:22 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn try_write(&self) -> TryLockResult> { [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] 90 | pub fn try_write(&self) -> TryLockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/monitor.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | 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] 47 | 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/monitor.rs:57:18 [INFO] [stdout] | [INFO] [stdout] 57 | 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] 57 | pub fn write(&self) -> LockResult> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let _ = self.unlock_read_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 | let _unused = self.unlock_read_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 141 - let _ = self.unlock_read_to(); [INFO] [stdout] 141 + drop(self.unlock_read_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:144:23 [INFO] [stdout] | [INFO] [stdout] 144 | fn unlock_read_to(&self) -> MutexGuard { [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] 144 | fn unlock_read_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-binding let on a synchronization lock [INFO] [stdout] --> src/raw.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let _ = self.unlock_write_to(); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 | let _unused = self.unlock_write_to(); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 173 - let _ = self.unlock_write_to(); [INFO] [stdout] 173 + drop(self.unlock_write_to()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/raw.rs:177:24 [INFO] [stdout] | [INFO] [stdout] 177 | fn unlock_write_to(&self) -> MutexGuard { [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] 177 | fn unlock_write_to(&self) -> MutexGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "de6e4b3e66eb27f1cb7eb199c039cfad1ec643144690c4acadf760667564c804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de6e4b3e66eb27f1cb7eb199c039cfad1ec643144690c4acadf760667564c804", kill_on_drop: false }` [INFO] [stdout] de6e4b3e66eb27f1cb7eb199c039cfad1ec643144690c4acadf760667564c804 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad7f474c94cb924a85b9ce8c7faf05551346df48ecfe120108688b4fb8666755 [INFO] running `Command { std: "docker" "start" "-a" "ad7f474c94cb924a85b9ce8c7faf05551346df48ecfe120108688b4fb8666755", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:80:16 [INFO] [stderr] | [INFO] [stderr] 80 | Ok(try!(unsafe { SharedMutexReadGuard::new(self) })) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:92:16 [INFO] [stderr] | [INFO] [stderr] 92 | Ok(try!(unsafe { SharedMutexWriteGuard::new(self) })) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | unsafe { self.data.into_inner().into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:62:18 [INFO] [stderr] | [INFO] [stderr] 62 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 62 | pub fn write(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:69:17 [INFO] [stderr] | [INFO] [stderr] 69 | 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] 69 | pub fn read(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:78:21 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn try_read(&self) -> TryLockResult> { [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] 78 | pub fn try_read(&self) -> TryLockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:90:22 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn try_write(&self) -> TryLockResult> { [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] 90 | pub fn try_write(&self) -> TryLockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/monitor.rs:47:17 [INFO] [stderr] | [INFO] [stderr] 47 | 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] 47 | pub fn read(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/monitor.rs:57:18 [INFO] [stderr] | [INFO] [stderr] 57 | 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] 57 | pub fn write(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: non-binding let on a synchronization lock [INFO] [stderr] --> src/raw.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let _ = self.unlock_read_to(); [INFO] [stderr] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(let_underscore_lock)]` (part of `#[warn(let_underscore)]`) on by default [INFO] [stderr] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stderr] | [INFO] [stderr] 141 | let _unused = self.unlock_read_to(); [INFO] [stderr] | ++++++ [INFO] [stderr] help: consider immediately dropping the value [INFO] [stderr] | [INFO] [stderr] 141 - let _ = self.unlock_read_to(); [INFO] [stderr] 141 + drop(self.unlock_read_to()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/raw.rs:144:23 [INFO] [stderr] | [INFO] [stderr] 144 | fn unlock_read_to(&self) -> MutexGuard { [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] 144 | fn unlock_read_to(&self) -> MutexGuard<'_, State> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: non-binding let on a synchronization lock [INFO] [stderr] --> src/raw.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let _ = self.unlock_write_to(); [INFO] [stderr] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stderr] | [INFO] [stderr] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stderr] | [INFO] [stderr] 173 | let _unused = self.unlock_write_to(); [INFO] [stderr] | ++++++ [INFO] [stderr] help: consider immediately dropping the value [INFO] [stderr] | [INFO] [stderr] 173 - let _ = self.unlock_write_to(); [INFO] [stderr] 173 + drop(self.unlock_write_to()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/raw.rs:177:24 [INFO] [stderr] | [INFO] [stderr] 177 | fn unlock_write_to(&self) -> MutexGuard { [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] 177 | fn unlock_write_to(&self) -> MutexGuard<'_, State> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `shared-mutex` (lib) generated 13 warnings (run `cargo fix --lib -p shared-mutex` to apply 10 suggestions) [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:80:16 [INFO] [stderr] | [INFO] [stderr] 80 | Ok(try!(unsafe { SharedMutexReadGuard::new(self) })) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | unsafe { self.data.into_inner().into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:62:18 [INFO] [stderr] | [INFO] [stderr] 62 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 62 | pub fn write(&self) -> LockResult> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `shared-mutex` (lib test) generated 13 warnings (10 duplicates) (run `cargo fix --lib -p shared-mutex --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared_mutex-a5d0936a5c789803) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test raw::test::test_raw_is ... ok [INFO] [stdout] test test::test_map_recover ... ok [INFO] [stdout] test test::test_mapping ... ok [INFO] [stdout] test test::test_try_locking ... ok [INFO] [stdout] test test::test_simple_single_thread ... ok [INFO] [stdout] test test::test_simple_multithreaded ... ok [INFO] [stdout] test test::test_simple_waiting ... ok [INFO] [stdout] test test::test_locking_multithreaded ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] Doc-tests shared_mutex [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ad7f474c94cb924a85b9ce8c7faf05551346df48ecfe120108688b4fb8666755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad7f474c94cb924a85b9ce8c7faf05551346df48ecfe120108688b4fb8666755", kill_on_drop: false }` [INFO] [stdout] ad7f474c94cb924a85b9ce8c7faf05551346df48ecfe120108688b4fb8666755