[INFO] fetching crate safina-select 0.1.3...
[INFO] testing safina-select-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate safina-select 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate safina-select 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-select 0.1.3
[INFO] finished tweaking crates.io crate safina-select 0.1.3
[INFO] tweaked toml for crates.io crate safina-select 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d85f85674e5c19e2f683fef60715c24934612bc5f2dd6cc76695c8142e9f74
[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" "d2d85f85674e5c19e2f683fef60715c24934612bc5f2dd6cc76695c8142e9f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d85f85674e5c19e2f683fef60715c24934612bc5f2dd6cc76695c8142e9f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d85f85674e5c19e2f683fef60715c24934612bc5f2dd6cc76695c8142e9f74", kill_on_drop: false }`
[INFO] [stdout] d2d85f85674e5c19e2f683fef60715c24934612bc5f2dd6cc76695c8142e9f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f38351da9a9d077011512772d01eaea5564dc6e94649f2b8c3b8270a2f0b1e
[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" "38f38351da9a9d077011512772d01eaea5564dc6e94649f2b8c3b8270a2f0b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-select v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "38f38351da9a9d077011512772d01eaea5564dc6e94649f2b8c3b8270a2f0b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f38351da9a9d077011512772d01eaea5564dc6e94649f2b8c3b8270a2f0b1e", kill_on_drop: false }`
[INFO] [stdout] 38f38351da9a9d077011512772d01eaea5564dc6e94649f2b8c3b8270a2f0b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] cdfa58d6d45015c7f5ff84a3e90dfa74ec55782b56e8ed33727211bb8c5c9edd
[INFO] running `Command { std: "docker" "start" "-a" "cdfa58d6d45015c7f5ff84a3e90dfa74ec55782b56e8ed33727211bb8c5c9edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-threadpool v0.1.3
[INFO] [stderr]    Compiling safina-sync v0.1.5
[INFO] [stderr]    Compiling safina-timer v0.1.9
[INFO] [stderr]    Compiling safina-async-test-core v0.1.1
[INFO] [stderr]    Compiling safina-executor v0.1.7
[INFO] [stderr]    Compiling safina-async-test v0.1.9
[INFO] [stderr]    Compiling safina-select v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "cdfa58d6d45015c7f5ff84a3e90dfa74ec55782b56e8ed33727211bb8c5c9edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfa58d6d45015c7f5ff84a3e90dfa74ec55782b56e8ed33727211bb8c5c9edd", kill_on_drop: false }`
[INFO] [stdout] cdfa58d6d45015c7f5ff84a3e90dfa74ec55782b56e8ed33727211bb8c5c9edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fda0b0e011c201b9b4cb409aba0a126e58ad5fa3215f01778802223ec47a5d4
[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" "8fda0b0e011c201b9b4cb409aba0a126e58ad5fa3215f01778802223ec47a5d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safina_select-9e7c1298cac64381)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test option_ab::tests::test_accessors ... ok
[INFO] [stdout] test option_ab::tests::test_as_ref ... ok
[INFO] [stdout] test option_ab::tests::test_debug ... ok
[INFO] [stdout] test option_ab::tests::test_display ... ok
[INFO] [stdout] test option_ab::tests::test_eq ... ok
[INFO] [stdout] test option_ab::tests::test_take ... ok
[INFO] [stdout] test option_abc::tests::test_accessors ... ok
[INFO] [stdout] test option_abc::tests::test_as_ref ... ok
[INFO] [stdout] test option_abc::tests::test_debug ... ok
[INFO] [stdout] test option_abc::tests::test_display ... ok
[INFO] [stdout] test option_abc::tests::test_eq ... ok
[INFO] [stdout] test option_abc::tests::test_take ... ok
[INFO] [stdout] test option_abcd::tests::test_accessors ... ok
[INFO] [stdout] test option_abcd::tests::test_as_ref ... ok
[INFO] [stdout] test option_abcd::tests::test_display ... ok
[INFO] [stdout] test option_abcd::tests::test_eq ... ok
[INFO] [stdout] test option_abcd::tests::test_debug ... ok
[INFO] [stdout] test option_abcd::tests::test_take ... ok
[INFO] [stdout] test option_abcde::tests::test_as_ref ... ok
[INFO] [stdout] test option_abcde::tests::test_display ... ok
[INFO] [stdout] test option_abcde::tests::test_eq ... ok
[INFO] [stdout] test option_abcde::tests::test_take ... ok
[INFO] [stdout] test option_abcde::tests::test_accessors ... ok
[INFO] [stdout] test option_abcde::tests::test_debug ... ok
[INFO] [stdout] test tests::should_return_proper_types_ ... ok
[INFO] [stdout] test tests::all_complete_ ... ok
[INFO] [stdout] test tests::match_expression_ ... ok
[INFO] [stdout] test tests::one_complete_ ... ok
[INFO] [stdout] test tests::should_poll_all_ ... ok
[INFO] [stdout] test option_ab::tests::test_unwrap ... ok
[INFO] [stdout] test option_abcde::tests::test_unwrap ... ok
[INFO] [stdout] test option_abc::tests::test_unwrap ... ok
[INFO] [stdout] test option_abcd::tests::test_unwrap ... ok
[INFO] [stdout] test tests::awaits_b_ ... ok
[INFO] [stdout] test tests::awaits_a_ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina-select
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fda0b0e011c201b9b4cb409aba0a126e58ad5fa3215f01778802223ec47a5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fda0b0e011c201b9b4cb409aba0a126e58ad5fa3215f01778802223ec47a5d4", kill_on_drop: false }`
[INFO] [stdout] 8fda0b0e011c201b9b4cb409aba0a126e58ad5fa3215f01778802223ec47a5d4