[INFO] fetching crate thread_timer 0.3.0...
[INFO] testing thread_timer-0.3.0 against 1.81.0 for beta-1.82-1
[INFO] extracting crate thread_timer 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate thread_timer 0.3.0 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread_timer 0.3.0
[INFO] finished tweaking crates.io crate thread_timer 0.3.0
[INFO] tweaked toml for crates.io crate thread_timer 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 310614a901b1998d597c51d73d4b2d5d778844bf5fb522b9f7e3fe8e6ab0aec8
[INFO] running `Command { std: "docker" "start" "-a" "310614a901b1998d597c51d73d4b2d5d778844bf5fb522b9f7e3fe8e6ab0aec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "310614a901b1998d597c51d73d4b2d5d778844bf5fb522b9f7e3fe8e6ab0aec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310614a901b1998d597c51d73d4b2d5d778844bf5fb522b9f7e3fe8e6ab0aec8", kill_on_drop: false }`
[INFO] [stdout] 310614a901b1998d597c51d73d4b2d5d778844bf5fb522b9f7e3fe8e6ab0aec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2447eed607b0154528b92b3abc0081796c0c09de8520bb2df9ffd5bb24b0ad
[INFO] running `Command { std: "docker" "start" "-a" "cd2447eed607b0154528b92b3abc0081796c0c09de8520bb2df9ffd5bb24b0ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_timer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = is_waiting_condvar
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _unused = is_waiting_condvar
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 ~         drop(is_waiting_condvar
[INFO] [stdout] 241 |           .wait_while(is_waiting_lock.lock().unwrap(), |&mut is_waiting| {
[INFO] [stdout] 242 |             is_waiting
[INFO] [stdout] 243 |           })
[INFO] [stdout] 244 ~           .unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "cd2447eed607b0154528b92b3abc0081796c0c09de8520bb2df9ffd5bb24b0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2447eed607b0154528b92b3abc0081796c0c09de8520bb2df9ffd5bb24b0ad", kill_on_drop: false }`
[INFO] [stdout] cd2447eed607b0154528b92b3abc0081796c0c09de8520bb2df9ffd5bb24b0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 941f4cfc75639c1bd050534439b538cc38aaa1946b07b4e10da58aac5e9f1274
[INFO] running `Command { std: "docker" "start" "-a" "941f4cfc75639c1bd050534439b538cc38aaa1946b07b4e10da58aac5e9f1274", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_timer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = is_waiting_condvar
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _unused = is_waiting_condvar
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 ~         drop(is_waiting_condvar
[INFO] [stdout] 241 |           .wait_while(is_waiting_lock.lock().unwrap(), |&mut is_waiting| {
[INFO] [stdout] 242 |             is_waiting
[INFO] [stdout] 243 |           })
[INFO] [stdout] 244 ~           .unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/lib.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = is_waiting_condvar
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _unused = is_waiting_condvar
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 240 ~         drop(is_waiting_condvar
[INFO] [stdout] 241 |           .wait_while(is_waiting_lock.lock().unwrap(), |&mut is_waiting| {
[INFO] [stdout] 242 |             is_waiting
[INFO] [stdout] 243 |           })
[INFO] [stdout] 244 ~           .unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "941f4cfc75639c1bd050534439b538cc38aaa1946b07b4e10da58aac5e9f1274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941f4cfc75639c1bd050534439b538cc38aaa1946b07b4e10da58aac5e9f1274", kill_on_drop: false }`
[INFO] [stdout] 941f4cfc75639c1bd050534439b538cc38aaa1946b07b4e10da58aac5e9f1274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5715cd292f83d0d3a35f879c4726d336c1adbaa7709bd66bf4297d2068b9993b
[INFO] running `Command { std: "docker" "start" "-a" "5715cd292f83d0d3a35f879c4726d336c1adbaa7709bd66bf4297d2068b9993b", kill_on_drop: false }`
[INFO] [stderr] warning: non-binding let on a synchronization lock
[INFO] [stderr]    --> src/lib.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let _ = is_waiting_condvar
[INFO] [stderr]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(let_underscore_lock)]` on by default
[INFO] [stderr] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let _unused = is_waiting_condvar
[INFO] [stderr]     |             ~~~~~~~
[INFO] [stderr] help: consider immediately dropping the value
[INFO] [stderr]     |
[INFO] [stderr] 240 ~         drop(is_waiting_condvar
[INFO] [stderr] 241 |           .wait_while(is_waiting_lock.lock().unwrap(), |&mut is_waiting| {
[INFO] [stderr] 242 |             is_waiting
[INFO] [stderr] 243 |           })
[INFO] [stderr] 244 ~           .unwrap());
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `thread_timer` (lib) generated 1 warning (run `cargo fix --lib -p thread_timer` to apply 1 suggestion)
[INFO] [stderr] warning: `thread_timer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thread_timer-982c6e361902fb11)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/thread_timer.rs (/opt/rustwide/target/debug/deps/thread_timer-efcfd9d5c2747553)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cannot_cancel_if_not_waiting ... ok
[INFO] [stdout] test does_not_deadlock_when_canceling_long_task ... ok
[INFO] [stdout] test executes_thunk_after_wait ... ok
[INFO] [stdout] test can_start_immediately_after_cancel ... ok
[INFO] [stdout] test thunk_does_not_run_if_canceled ... ok
[INFO] [stdout] test can_be_reused ... ok
[INFO] [stderr]    Doc-tests thread_timer
[INFO] [stdout] test can_start_cancel_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - ThreadTimer::new (line 90) ... ok
[INFO] [stdout] test src/lib.rs - ThreadTimer (line 57) ... ok
[INFO] [stdout] test src/lib.rs - ThreadTimer (line 39) ... ok
[INFO] [stdout] test src/lib.rs - ThreadTimer::start (line 139) ... ok
[INFO] [stdout] test src/lib.rs - ThreadTimer::cancel (line 188) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5715cd292f83d0d3a35f879c4726d336c1adbaa7709bd66bf4297d2068b9993b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5715cd292f83d0d3a35f879c4726d336c1adbaa7709bd66bf4297d2068b9993b", kill_on_drop: false }`
[INFO] [stdout] 5715cd292f83d0d3a35f879c4726d336c1adbaa7709bd66bf4297d2068b9993b