[INFO] crate serial_test_derive 0.4.0 is already in cache
[INFO] testing serial_test_derive-0.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate serial_test_derive 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serial_test_derive 0.4.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serial_test_derive 0.4.0
[INFO] finished tweaking crates.io crate serial_test_derive 0.4.0
[INFO] tweaked toml for crates.io crate serial_test_derive 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 896471e158f17c822ebda254421e07c43714eae85c42b380af055868e46ab7f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "896471e158f17c822ebda254421e07c43714eae85c42b380af055868e46ab7f0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serial_test_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `"docker" "inspect" "896471e158f17c822ebda254421e07c43714eae85c42b380af055868e46ab7f0"`
[INFO] running `"docker" "rm" "-f" "896471e158f17c822ebda254421e07c43714eae85c42b380af055868e46ab7f0"`
[INFO] [stdout] 896471e158f17c822ebda254421e07c43714eae85c42b380af055868e46ab7f0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a2efbff1462457d0ef2699b9750da08bc6907a8716beafcf3b441b47e5e8250
[INFO] running `"docker" "start" "-a" "6a2efbff1462457d0ef2699b9750da08bc6907a8716beafcf3b441b47e5e8250"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serial_test_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `"docker" "inspect" "6a2efbff1462457d0ef2699b9750da08bc6907a8716beafcf3b441b47e5e8250"`
[INFO] running `"docker" "rm" "-f" "6a2efbff1462457d0ef2699b9750da08bc6907a8716beafcf3b441b47e5e8250"`
[INFO] [stdout] 6a2efbff1462457d0ef2699b9750da08bc6907a8716beafcf3b441b47e5e8250
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d9e01524aa90bc861215b7841f5e0cf7adf5c5d9883a5f528b4f57960c6f8b7
[INFO] running `"docker" "start" "-a" "9d9e01524aa90bc861215b7841f5e0cf7adf5c5d9883a5f528b4f57960c6f8b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial_test_derive-dda2ef43c995de60
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_serial ... ok
[INFO] [stderr]    Doc-tests serial_test_derive
[INFO] [stdout] test test_stripped_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - serial (line 13) ... ok
[INFO] [stdout] test src/lib.rs - serial (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d9e01524aa90bc861215b7841f5e0cf7adf5c5d9883a5f528b4f57960c6f8b7"`
[INFO] running `"docker" "rm" "-f" "9d9e01524aa90bc861215b7841f5e0cf7adf5c5d9883a5f528b4f57960c6f8b7"`
[INFO] [stdout] 9d9e01524aa90bc861215b7841f5e0cf7adf5c5d9883a5f528b4f57960c6f8b7