[INFO] fetching crate priority-async-mutex 0.1.1...
[INFO] testing priority-async-mutex-0.1.1 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate priority-async-mutex 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate priority-async-mutex 0.1.1 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate priority-async-mutex 0.1.1
[INFO] finished tweaking crates.io crate priority-async-mutex 0.1.1
[INFO] tweaked toml for crates.io crate priority-async-mutex 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.3.0)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec60fe9dd659cee898e555f979b286aeb3aabe8573e71c157d2a2cfe443be057
[INFO] running `Command { std: "docker" "start" "-a" "ec60fe9dd659cee898e555f979b286aeb3aabe8573e71c157d2a2cfe443be057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec60fe9dd659cee898e555f979b286aeb3aabe8573e71c157d2a2cfe443be057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec60fe9dd659cee898e555f979b286aeb3aabe8573e71c157d2a2cfe443be057", kill_on_drop: false }`
[INFO] [stdout] ec60fe9dd659cee898e555f979b286aeb3aabe8573e71c157d2a2cfe443be057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb60ebe7ccbde6c91b48e9165a8dca5b770a5d6818502511c1df2cebd7ecdbbd
[INFO] running `Command { std: "docker" "start" "-a" "cb60ebe7ccbde6c91b48e9165a8dca5b770a5d6818502511c1df2cebd7ecdbbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling oneshot v0.1.11
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling priority-async-mutex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "cb60ebe7ccbde6c91b48e9165a8dca5b770a5d6818502511c1df2cebd7ecdbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb60ebe7ccbde6c91b48e9165a8dca5b770a5d6818502511c1df2cebd7ecdbbd", kill_on_drop: false }`
[INFO] [stdout] cb60ebe7ccbde6c91b48e9165a8dca5b770a5d6818502511c1df2cebd7ecdbbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0da6221e4bc105de511ca846e1e8d1c0ec0ab18a0488c1fd24752c91f3b19d
[INFO] running `Command { std: "docker" "start" "-a" "9b0da6221e4bc105de511ca846e1e8d1c0ec0ab18a0488c1fd24752c91f3b19d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling async-signal v0.2.10
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling priority-async-mutex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for i in 0..1000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "9b0da6221e4bc105de511ca846e1e8d1c0ec0ab18a0488c1fd24752c91f3b19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0da6221e4bc105de511ca846e1e8d1c0ec0ab18a0488c1fd24752c91f3b19d", kill_on_drop: false }`
[INFO] [stdout] 9b0da6221e4bc105de511ca846e1e8d1c0ec0ab18a0488c1fd24752c91f3b19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f6027dff156369bb17648460b66486101803b47950849f9753473527fb5230a
[INFO] running `Command { std: "docker" "start" "-a" "4f6027dff156369bb17648460b66486101803b47950849f9753473527fb5230a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/lib.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `priority-async-mutex` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/priority_async_mutex-f27408bc91afa033)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests priority_async_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" "4f6027dff156369bb17648460b66486101803b47950849f9753473527fb5230a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6027dff156369bb17648460b66486101803b47950849f9753473527fb5230a", kill_on_drop: false }`
[INFO] [stdout] 4f6027dff156369bb17648460b66486101803b47950849f9753473527fb5230a