[INFO] fetching crate once_spin 0.1.3... [INFO] testing once_spin-0.1.3 against 1.49.0 for beta-1.50-1 [INFO] extracting crate once_spin 0.1.3 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate once_spin 0.1.3 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate once_spin 0.1.3 [INFO] finished tweaking crates.io crate once_spin 0.1.3 [INFO] tweaked toml for crates.io crate once_spin 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate once_spin 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58fdb93ffa83d5bf099a4a09074cbaa1698a5e942b753f5c1e592f4b64f6de8c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "58fdb93ffa83d5bf099a4a09074cbaa1698a5e942b753f5c1e592f4b64f6de8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58fdb93ffa83d5bf099a4a09074cbaa1698a5e942b753f5c1e592f4b64f6de8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58fdb93ffa83d5bf099a4a09074cbaa1698a5e942b753f5c1e592f4b64f6de8c", kill_on_drop: false }` [INFO] [stdout] 58fdb93ffa83d5bf099a4a09074cbaa1698a5e942b753f5c1e592f4b64f6de8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 01a857bfe76547edb8de34b31c1338c971d6263fb640add8d2c144e67e4435dd [INFO] running `Command { std: "docker" "start" "-a" "01a857bfe76547edb8de34b31c1338c971d6263fb640add8d2c144e67e4435dd", kill_on_drop: false }` [INFO] [stderr] Compiling once_spin v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "01a857bfe76547edb8de34b31c1338c971d6263fb640add8d2c144e67e4435dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01a857bfe76547edb8de34b31c1338c971d6263fb640add8d2c144e67e4435dd", kill_on_drop: false }` [INFO] [stdout] 01a857bfe76547edb8de34b31c1338c971d6263fb640add8d2c144e67e4435dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 482f3e0083a51f4441d0b64b4f813918918a7a1868c3797cad1389fe10ba6e80 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "482f3e0083a51f4441d0b64b4f813918918a7a1868c3797cad1389fe10ba6e80", kill_on_drop: false }` [INFO] [stderr] Compiling once_spin v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "482f3e0083a51f4441d0b64b4f813918918a7a1868c3797cad1389fe10ba6e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "482f3e0083a51f4441d0b64b4f813918918a7a1868c3797cad1389fe10ba6e80", kill_on_drop: false }` [INFO] [stdout] 482f3e0083a51f4441d0b64b4f813918918a7a1868c3797cad1389fe10ba6e80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0e56993f846b893e4e8a0ce3db446e1649e1c6cad761c3e557e105bab835c1f3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0e56993f846b893e4e8a0ce3db446e1649e1c6cad761c3e557e105bab835c1f3", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/once_spin-d361dcb63cd43a8c [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/barrier-c1229384c7c70464 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_barrier ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mutex-99a50e57d71e5e0e [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test smoke ... ok [INFO] [stdout] test test_into_inner ... ok [INFO] [stdout] test test_into_inner_drop ... ok [INFO] [stdout] test test_mutex_force_lock ... ok [INFO] [stdout] test test_mutex_arc_nested ... ok [INFO] [stdout] test test_mutex_unsized ... ok [INFO] [stdout] test try_lock ... ok [INFO] [stdout] test lots_and_lots ... ok [INFO] [stdout] test test_mutex_arc_access_in_unwind ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/once-fa457bdd6e82e479 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test smoke_once ... ok [INFO] [stdout] test smoke_once_value ... ok [INFO] [stdout] test try_get ... ok [INFO] [stdout] test wait ... ok [INFO] [stdout] test try_no_wait ... ok [INFO] [stdout] test stampede_once ... ok [INFO] [stdout] test panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rw_lock-d10f13784acd3765 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test smoke ... ok [INFO] [stdout] test test_force_write_unlock ... ok [INFO] [stdout] test test_force_read_decrement ... ok [INFO] [stdout] test test_into_inner ... ok [INFO] [stdout] test test_into_inner_drop ... ok [INFO] [stdout] test test_rw_try_read ... ok [INFO] [stdout] test test_rwlock_try_write ... ok [INFO] [stdout] test test_rwlock_unsized ... ok [INFO] [stdout] test test_upgrade_downgrade ... ok [INFO] [stdout] test test_rw_arc ... ok [INFO] [stdout] test test_rw_access_in_unwind ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests once_spin [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/mutex.rs - mutex::Mutex::new (line 83) ... ok [INFO] [stdout] test src/once.rs - once::Once (line 20) ... ok [INFO] [stdout] test src/once.rs - once::Once::call_once (line 64) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::new (line 77) ... ok [INFO] [stdout] test src/barrier.rs - barrier::Barrier::new (line 64) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock (line 44) ... ok [INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult (line 46) ... ok [INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult::is_leader (line 142) ... ok [INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 19) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::read (line 152) ... ok [INFO] [stdout] test src/mutex.rs - mutex::Mutex::lock (line 122) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::try_upgrade (line 416) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::get_mut (line 299) ... ok [INFO] [stdout] test src/mutex.rs - mutex::Mutex::get_mut (line 173) ... ok [INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 42) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::try_read (line 112) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::write (line 248) ... ok [INFO] [stdout] test src/barrier.rs - barrier::Barrier (line 9) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock::try_write (line 220) ... ok [INFO] [stdout] test src/barrier.rs - barrier::Barrier::wait (line 94) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::upgrade (line 433) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::downgrade (line 453) ... ok [INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockWriteGuard::downgrade (line 478) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0e56993f846b893e4e8a0ce3db446e1649e1c6cad761c3e557e105bab835c1f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e56993f846b893e4e8a0ce3db446e1649e1c6cad761c3e557e105bab835c1f3", kill_on_drop: false }` [INFO] [stdout] 0e56993f846b893e4e8a0ce3db446e1649e1c6cad761c3e557e105bab835c1f3