[INFO] fetching crate fera-optional 0.2.0...
[INFO] testing fera-optional-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate fera-optional 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fera-optional 0.2.0 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 fera-optional 0.2.0
[INFO] finished tweaking crates.io crate fera-optional 0.2.0
[INFO] tweaked toml for crates.io crate fera-optional 0.2.0 written to /workspace/builds/worker-4/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d9c0b69e097f1491a52e16ac4c53e93962db1facad39d18c66dd9464e133a1f
[INFO] running `"docker" "start" "-a" "9d9c0b69e097f1491a52e16ac4c53e93962db1facad39d18c66dd9464e133a1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fera-optional v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "9d9c0b69e097f1491a52e16ac4c53e93962db1facad39d18c66dd9464e133a1f"`
[INFO] running `"docker" "rm" "-f" "9d9c0b69e097f1491a52e16ac4c53e93962db1facad39d18c66dd9464e133a1f"`
[INFO] [stdout] 9d9c0b69e097f1491a52e16ac4c53e93962db1facad39d18c66dd9464e133a1f
[INFO] running `"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" "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] 38251edbeab8876f35bd80dd794118942ec8ae738d53b950c966966f01ba7a0e
[INFO] running `"docker" "start" "-a" "38251edbeab8876f35bd80dd794118942ec8ae738d53b950c966966f01ba7a0e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling fera-optional v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `"docker" "inspect" "38251edbeab8876f35bd80dd794118942ec8ae738d53b950c966966f01ba7a0e"`
[INFO] running `"docker" "rm" "-f" "38251edbeab8876f35bd80dd794118942ec8ae738d53b950c966966f01ba7a0e"`
[INFO] [stdout] 38251edbeab8876f35bd80dd794118942ec8ae738d53b950c966966f01ba7a0e
[INFO] running `"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" "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] 52947160b5d40d8a3c52dc2f841352cee026ed33c0d4175838b025b4ef3fb2da
[INFO] running `"docker" "start" "-a" "52947160b5d40d8a3c52dc2f841352cee026ed33c0d4175838b025b4ef3fb2da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fera_optional-f9fe041884a9c078
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::optional_bool::into_option ... ok
[INFO] [stdout] test tests::optional_bool::to_option_mut ... ok
[INFO] [stdout] test tests::optioned_u32::into_option ... ok
[INFO] [stdout] test tests::optioned_u32::to_option_ref ... ok
[INFO] [stdout] test tests::optional_bool::debug ... ok
[INFO] [stdout] test tests::optioned_u32::to_option_mut ... ok
[INFO] [stdout] test tests::optional_bool::to_option_ref ... ok
[INFO] [stdout] test tests::optioned_u32::debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-551ac54f8564752c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test html_root_url ... ok
[INFO] [stdout] test readme_deps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fera-optional
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 53) ... ok
[INFO] [stdout] test src/lib.rs -  (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" "52947160b5d40d8a3c52dc2f841352cee026ed33c0d4175838b025b4ef3fb2da"`
[INFO] running `"docker" "rm" "-f" "52947160b5d40d8a3c52dc2f841352cee026ed33c0d4175838b025b4ef3fb2da"`
[INFO] [stdout] 52947160b5d40d8a3c52dc2f841352cee026ed33c0d4175838b025b4ef3fb2da