[INFO] fetching crate safina-executor 0.1.6...
[INFO] testing safina-executor-0.1.6 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate safina-executor 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate safina-executor 0.1.6 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-executor 0.1.6
[INFO] finished tweaking crates.io crate safina-executor 0.1.6
[INFO] tweaked toml for crates.io crate safina-executor 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c751edfc8096650c35a102c02ef4867ea2bb1e24c4d1c2c36c9fdea3a0b14f
[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" "01c751edfc8096650c35a102c02ef4867ea2bb1e24c4d1c2c36c9fdea3a0b14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c751edfc8096650c35a102c02ef4867ea2bb1e24c4d1c2c36c9fdea3a0b14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c751edfc8096650c35a102c02ef4867ea2bb1e24c4d1c2c36c9fdea3a0b14f", kill_on_drop: false }`
[INFO] [stdout] 01c751edfc8096650c35a102c02ef4867ea2bb1e24c4d1c2c36c9fdea3a0b14f
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] f4efa11342b2558fd631ee05c2a50f61cb44aafdd048aaa7e62e4e6330b3ae70
[INFO] running `Command { std: "docker" "start" "-a" "f4efa11342b2558fd631ee05c2a50f61cb44aafdd048aaa7e62e4e6330b3ae70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safina-executor v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f4efa11342b2558fd631ee05c2a50f61cb44aafdd048aaa7e62e4e6330b3ae70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4efa11342b2558fd631ee05c2a50f61cb44aafdd048aaa7e62e4e6330b3ae70", kill_on_drop: false }`
[INFO] [stdout] f4efa11342b2558fd631ee05c2a50f61cb44aafdd048aaa7e62e4e6330b3ae70
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aaabf54514e726308fd9f1240a25952a3475d4ba6cd8b8c8b74d14ec1d4cf8a
[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" "5aaabf54514e726308fd9f1240a25952a3475d4ba6cd8b8c8b74d14ec1d4cf8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-executor v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "5aaabf54514e726308fd9f1240a25952a3475d4ba6cd8b8c8b74d14ec1d4cf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aaabf54514e726308fd9f1240a25952a3475d4ba6cd8b8c8b74d14ec1d4cf8a", kill_on_drop: false }`
[INFO] [stdout] 5aaabf54514e726308fd9f1240a25952a3475d4ba6cd8b8c8b74d14ec1d4cf8a
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08b9ff3f75ee9c9888da969c260c692c1f16d5278dae1bc17bfd9ca068a065bf
[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" "08b9ff3f75ee9c9888da969c260c692c1f16d5278dae1bc17bfd9ca068a065bf", 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_executor-544f38cbc4723367)
[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] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-413051bc1d0d4f8a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_block_on_unpin ... ok
[INFO] [stdout] test test_spawn ... ok
[INFO] [stdout] test test_spawn_unpin ... ok
[INFO] [stdout] test schedule_blocking_panic ... ok
[INFO] [stdout] test test_block_on_spawn_error ... ok
[INFO] [stdout] test test_block_on ... ok
[INFO] [stdout] test test_executor_block_on ... ok
[INFO] [stdout] test test_waking ... ok
[INFO] [stdout] test test_async_panic ... ok
[INFO] [stdout] test test_with_name ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_default_trait ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_schedule_blocking ... ok
[INFO] [stdout] test test_executor_schedule_blocking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina-executor
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Executor::spawn (line 283) ... ok
[INFO] [stdout] test src/lib.rs - block_on (line 511) ... ok
[INFO] [stdout] test src/lib.rs - spawn (line 452) ... ok
[INFO] [stdout] test src/lib.rs - Executor::block_on (line 332) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08b9ff3f75ee9c9888da969c260c692c1f16d5278dae1bc17bfd9ca068a065bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b9ff3f75ee9c9888da969c260c692c1f16d5278dae1bc17bfd9ca068a065bf", kill_on_drop: false }`
[INFO] [stdout] 08b9ff3f75ee9c9888da969c260c692c1f16d5278dae1bc17bfd9ca068a065bf