[INFO] fetching crate timed-locks 0.1.1...
[INFO] building timed-locks-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate timed-locks 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate timed-locks 0.1.1
[INFO] finished tweaking crates.io crate timed-locks 0.1.1
[INFO] tweaked toml for crates.io crate timed-locks 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate timed-locks 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e67dcec9795e19e71e39e884f5f4f14de43c9e8ecf463aade6143304adfd6ea7
[INFO] running `Command { std: "docker" "start" "-a" "e67dcec9795e19e71e39e884f5f4f14de43c9e8ecf463aade6143304adfd6ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67dcec9795e19e71e39e884f5f4f14de43c9e8ecf463aade6143304adfd6ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67dcec9795e19e71e39e884f5f4f14de43c9e8ecf463aade6143304adfd6ea7", kill_on_drop: false }`
[INFO] [stdout] e67dcec9795e19e71e39e884f5f4f14de43c9e8ecf463aade6143304adfd6ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406fa416035cb523383b7ff035438fea8d7b10f2c35e60d2cd8aea5c9056ddde
[INFO] running `Command { std: "docker" "start" "-a" "406fa416035cb523383b7ff035438fea8d7b10f2c35e60d2cd8aea5c9056ddde", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling timed-locks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "406fa416035cb523383b7ff035438fea8d7b10f2c35e60d2cd8aea5c9056ddde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406fa416035cb523383b7ff035438fea8d7b10f2c35e60d2cd8aea5c9056ddde", kill_on_drop: false }`
[INFO] [stdout] 406fa416035cb523383b7ff035438fea8d7b10f2c35e60d2cd8aea5c9056ddde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab9e3868cfb44265e27dfb5d82a1abf49ed7907292db7844b53dae242151bc6
[INFO] running `Command { std: "docker" "start" "-a" "5ab9e3868cfb44265e27dfb5d82a1abf49ed7907292db7844b53dae242151bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling timed-locks v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stdout]   --> tests/tests.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     read_lock.read().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the RwLock will immediately unlock
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = read_lock.read().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio::sync::RwLockReadGuard` that must be used
[INFO] [stdout]   --> tests/tests.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     read_lock.read().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the RwLock will immediately unlock
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = read_lock.read().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio::sync::RwLockWriteGuard` that must be used
[INFO] [stdout]   --> tests/tests.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     write_lock.write().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the RwLock will immediately unlock
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let _ = write_lock.write().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio::sync::MutexGuard` that must be used
[INFO] [stdout]   --> tests/tests.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 |     mutex.lock().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the Mutex will immediately unlock
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = mutex.lock().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio::sync::MutexGuard` that must be used
[INFO] [stdout]   --> tests/tests.rs:70:2
[INFO] [stdout]    |
[INFO] [stdout] 70 |     mutex.lock().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if unused the Mutex will immediately unlock
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = mutex.lock().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "5ab9e3868cfb44265e27dfb5d82a1abf49ed7907292db7844b53dae242151bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab9e3868cfb44265e27dfb5d82a1abf49ed7907292db7844b53dae242151bc6", kill_on_drop: false }`
[INFO] [stdout] 5ab9e3868cfb44265e27dfb5d82a1abf49ed7907292db7844b53dae242151bc6