[INFO] fetching crate safina-sync 0.1.5...
[INFO] testing safina-sync-0.1.5 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate safina-sync 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate safina-sync 0.1.5 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-sync 0.1.5
[INFO] finished tweaking crates.io crate safina-sync 0.1.5
[INFO] tweaked toml for crates.io crate safina-sync 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safina-async-test v0.1.9
[INFO] [stderr]   Downloaded safina-async-test-core v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7fb187463c329be367806e5ad168c4aad566d814167b7e960adccbb60278bc
[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" "1b7fb187463c329be367806e5ad168c4aad566d814167b7e960adccbb60278bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7fb187463c329be367806e5ad168c4aad566d814167b7e960adccbb60278bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7fb187463c329be367806e5ad168c4aad566d814167b7e960adccbb60278bc", kill_on_drop: false }`
[INFO] [stdout] 1b7fb187463c329be367806e5ad168c4aad566d814167b7e960adccbb60278bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e558bc7ab04ed94e81fa18885a070e41ec4c6c0f204c70fb4e02fff809a93400
[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" "e558bc7ab04ed94e81fa18885a070e41ec4c6c0f204c70fb4e02fff809a93400", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "e558bc7ab04ed94e81fa18885a070e41ec4c6c0f204c70fb4e02fff809a93400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e558bc7ab04ed94e81fa18885a070e41ec4c6c0f204c70fb4e02fff809a93400", kill_on_drop: false }`
[INFO] [stdout] e558bc7ab04ed94e81fa18885a070e41ec4c6c0f204c70fb4e02fff809a93400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77139b4c2ba2b3b0baa96f574a3badebf584566b9f8429c94750bd40b3c9fe36
[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" "77139b4c2ba2b3b0baa96f574a3badebf584566b9f8429c94750bd40b3c9fe36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling safina-threadpool v0.1.3
[INFO] [stderr]    Compiling safina-sync v0.1.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling safina-timer v0.1.9
[INFO] [stderr]    Compiling safina-executor v0.1.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling safina-async-test-core v0.1.1
[INFO] [stderr]    Compiling safina-async-test v0.1.9
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "77139b4c2ba2b3b0baa96f574a3badebf584566b9f8429c94750bd40b3c9fe36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77139b4c2ba2b3b0baa96f574a3badebf584566b9f8429c94750bd40b3c9fe36", kill_on_drop: false }`
[INFO] [stdout] 77139b4c2ba2b3b0baa96f574a3badebf584566b9f8429c94750bd40b3c9fe36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f035c64ca9691ca276f64f27c13f26baba521b97fee97f4070e873c6c9300c2
[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" "0f035c64ca9691ca276f64f27c13f26baba521b97fee97f4070e873c6c9300c2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safina_sync-075b362b310f4dde)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-03d8590a2d35d249)
[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 3 tests
[INFO] [stdout] test should_unlock_immediately_ ... ok
[INFO] [stdout] test unlocking_wakes_waiters_ ... ok
[INFO] [stdout] test should_handle_many_waiters_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/promise.rs (/opt/rustwide/target/debug/deps/promise-5a74e21259ffc8c1)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test is_set_ ... ok
[INFO] [stdout] test test_try_set ... ok
[INFO] [stdout] test already_set_ ... ok
[INFO] [stdout] test test_set ... ok
[INFO] [stdout] test repoll_awaits_ ... ok
[INFO] [stdout] test set_should_wake_ ... ok
[INFO] [stdout] test one_one_await_returns_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina-sync
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f035c64ca9691ca276f64f27c13f26baba521b97fee97f4070e873c6c9300c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f035c64ca9691ca276f64f27c13f26baba521b97fee97f4070e873c6c9300c2", kill_on_drop: false }`
[INFO] [stdout] 0f035c64ca9691ca276f64f27c13f26baba521b97fee97f4070e873c6c9300c2