[INFO] fetching crate serial_test 0.6.0...
[INFO] testing serial_test-0.6.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serial_test 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serial_test 0.6.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial_test 0.6.0
[INFO] finished tweaking crates.io crate serial_test 0.6.0
[INFO] tweaked toml for crates.io crate serial_test 0.6.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 438403bbca28a7d27a1f825f06064cf0379d54875dcbab79495818981372dbe5
[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" "438403bbca28a7d27a1f825f06064cf0379d54875dcbab79495818981372dbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "438403bbca28a7d27a1f825f06064cf0379d54875dcbab79495818981372dbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438403bbca28a7d27a1f825f06064cf0379d54875dcbab79495818981372dbe5", kill_on_drop: false }`
[INFO] [stdout] 438403bbca28a7d27a1f825f06064cf0379d54875dcbab79495818981372dbe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110216537b68b63d76b4a94ebc5cbc73b593f7fe082fcd70d025068d8b953248
[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" "110216537b68b63d76b4a94ebc5cbc73b593f7fe082fcd70d025068d8b953248", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling serial_test_derive v0.6.0
[INFO] [stderr]    Compiling serial_test v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "110216537b68b63d76b4a94ebc5cbc73b593f7fe082fcd70d025068d8b953248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110216537b68b63d76b4a94ebc5cbc73b593f7fe082fcd70d025068d8b953248", kill_on_drop: false }`
[INFO] [stdout] 110216537b68b63d76b4a94ebc5cbc73b593f7fe082fcd70d025068d8b953248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9f3cbbd4b8efe7c8b19e546d6248d0153486d614d61386b5cf0f8902eaf245cc
[INFO] running `Command { std: "docker" "start" "-a" "9f3cbbd4b8efe7c8b19e546d6248d0153486d614d61386b5cf0f8902eaf245cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_test v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_test-0ee706d0867027ce)
[INFO] [stderr]   Executable tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3a04f0f29d701b47)
[INFO] running `Command { std: "docker" "inspect" "9f3cbbd4b8efe7c8b19e546d6248d0153486d614d61386b5cf0f8902eaf245cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3cbbd4b8efe7c8b19e546d6248d0153486d614d61386b5cf0f8902eaf245cc", kill_on_drop: false }`
[INFO] [stdout] 9f3cbbd4b8efe7c8b19e546d6248d0153486d614d61386b5cf0f8902eaf245cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 281c28ace5f4631f00d46b055e4d1796870b883b7894bef0c104a95b850c8974
[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" "281c28ace5f4631f00d46b055e4d1796870b883b7894bef0c104a95b850c8974", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_test-0ee706d0867027ce)
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3a04f0f29d701b47)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_empty_serial_call ... ok
[INFO] [stderr]    Doc-tests serial_test
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "281c28ace5f4631f00d46b055e4d1796870b883b7894bef0c104a95b850c8974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281c28ace5f4631f00d46b055e4d1796870b883b7894bef0c104a95b850c8974", kill_on_drop: false }`
[INFO] [stdout] 281c28ace5f4631f00d46b055e4d1796870b883b7894bef0c104a95b850c8974