[INFO] fetching crate padlock 0.2.0...
[INFO] testing padlock-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate padlock 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate padlock 0.2.0
[INFO] finished tweaking crates.io crate padlock 0.2.0
[INFO] tweaked toml for crates.io crate padlock 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate padlock 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate padlock 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 502f8f2f21a09ed705a784f2001500d2e92e0ed3920a29c0d8bb9f9acf2f88af
[INFO] running `Command { std: "docker" "start" "-a" "502f8f2f21a09ed705a784f2001500d2e92e0ed3920a29c0d8bb9f9acf2f88af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502f8f2f21a09ed705a784f2001500d2e92e0ed3920a29c0d8bb9f9acf2f88af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502f8f2f21a09ed705a784f2001500d2e92e0ed3920a29c0d8bb9f9acf2f88af", kill_on_drop: false }`
[INFO] [stdout] 502f8f2f21a09ed705a784f2001500d2e92e0ed3920a29c0d8bb9f9acf2f88af
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a31e6c1bde85c7044e82f84a7d6ce7401165ddf6bd85c59b58c7f6cc5b1348b0
[INFO] running `Command { std: "docker" "start" "-a" "a31e6c1bde85c7044e82f84a7d6ce7401165ddf6bd85c59b58c7f6cc5b1348b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling padlock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/mutex.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_read.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/mutex.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::MutexGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/rw_write.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::RwLockWriteGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "a31e6c1bde85c7044e82f84a7d6ce7401165ddf6bd85c59b58c7f6cc5b1348b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31e6c1bde85c7044e82f84a7d6ce7401165ddf6bd85c59b58c7f6cc5b1348b0", kill_on_drop: false }`
[INFO] [stdout] a31e6c1bde85c7044e82f84a7d6ce7401165ddf6bd85c59b58c7f6cc5b1348b0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35123265d7dde33335a1368fd26568f9378c85b98fffd327bb7a17babbe6750a
[INFO] running `Command { std: "docker" "start" "-a" "35123265d7dde33335a1368fd26568f9378c85b98fffd327bb7a17babbe6750a", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/mutex.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_read.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling padlock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/mutex.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::MutexGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/rw_write.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::RwLockWriteGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/mutex.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/mutex.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_read.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_read.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::spin_loop_hint
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/rw_write.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Err(_) => spin_loop_hint()
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/mutex.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::MutexGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/rw_write.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 drop(lock);
[INFO] [stdout]    |                 ^^^^^----^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      argument has type `&mut std::sync::RwLockWriteGuard<'_, T>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 drop(lock);
[INFO] [stdout] 33 +                 let _ = lock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age` and `name` are never read
[INFO] [stdout]   --> examples/mutex.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "35123265d7dde33335a1368fd26568f9378c85b98fffd327bb7a17babbe6750a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35123265d7dde33335a1368fd26568f9378c85b98fffd327bb7a17babbe6750a", kill_on_drop: false }`
[INFO] [stdout] 35123265d7dde33335a1368fd26568f9378c85b98fffd327bb7a17babbe6750a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 540d855bbe93131132260891a39c7ac017a799b80534515b77a2b77af14ee167
[INFO] running `Command { std: "docker" "start" "-a" "540d855bbe93131132260891a39c7ac017a799b80534515b77a2b77af14ee167", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/mutex.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     atomic::spin_loop_hint
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/mutex.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/mutex.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/rw_read.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     atomic::spin_loop_hint
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/rw_read.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/rw_read.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/rw_write.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     atomic::spin_loop_hint
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/rw_write.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/rw_write.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Err(_) => spin_loop_hint()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/mutex.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 drop(lock);
[INFO] [stderr]    |                 ^^^^^----^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      argument has type `&mut std::sync::MutexGuard<'_, T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 33 -                 drop(lock);
[INFO] [stderr] 33 +                 let _ = lock;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/rw_write.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 drop(lock);
[INFO] [stderr]    |                 ^^^^^----^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      argument has type `&mut std::sync::RwLockWriteGuard<'_, T>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 33 -                 drop(lock);
[INFO] [stderr] 33 +                 let _ = lock;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `padlock` (lib) generated 11 warnings
[INFO] [stderr] warning: fields `age` and `name` are never read
[INFO] [stderr]   --> examples/mutex.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Person {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 10 |     age: u8,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 11 |     name: String
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `padlock` (example "mutex") generated 1 warning
[INFO] [stderr] warning: `padlock` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/padlock-7d6f350189e8d24d)
[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] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-e97349a18371c780)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test get_mutex_lock ... ok
[INFO] [stdout] test mutex_lock ... ok
[INFO] [stdout] test get_mutex_lock_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-d7d741d4a51678ef)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rw_lock ... ok
[INFO] [stdout] test get_rw_lock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests padlock
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/mutex.rs - mutex::mutex_lock (line 14) ... ignored
[INFO] [stdout] test src/mutex.rs - mutex::mutex_lock (line 19) ... ignored
[INFO] [stdout] test src/rw_read.rs - rw_read::rw_read_lock (line 12) ... ignored
[INFO] [stdout] test src/rw_write.rs - rw_write::rw_write_lock (line 14) ... ignored
[INFO] [stdout] test src/rw_write.rs - rw_write::rw_write_lock (line 19) ... ignored
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "540d855bbe93131132260891a39c7ac017a799b80534515b77a2b77af14ee167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540d855bbe93131132260891a39c7ac017a799b80534515b77a2b77af14ee167", kill_on_drop: false }`
[INFO] [stdout] 540d855bbe93131132260891a39c7ac017a799b80534515b77a2b77af14ee167
