[INFO] crate libeither 0.3.0 is already in cache
[INFO] testing libeither-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate libeither 0.3.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate libeither 0.3.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libeither 0.3.0
[INFO] finished tweaking crates.io crate libeither 0.3.0
[INFO] tweaked toml for crates.io crate libeither 0.3.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 73af8c20782474e9e12168789a5f1ac8c56de732232a962840fd995864d3759f
[INFO] running `"docker" "start" "-a" "73af8c20782474e9e12168789a5f1ac8c56de732232a962840fd995864d3759f"`
[INFO] [stderr]    Compiling libeither v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `question_mark_macro_sep`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     question_mark_macro_sep,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:562:48
[INFO] [stderr]     |
[INFO] [stderr] 562 |         either_else!(&self, ref inner => inner.cause(), None)
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:562:48
[INFO] [stderr]     |
[INFO] [stderr] 562 |         either_else!(&self, ref inner => inner.cause(), None)
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "73af8c20782474e9e12168789a5f1ac8c56de732232a962840fd995864d3759f"`
[INFO] running `"docker" "rm" "-f" "73af8c20782474e9e12168789a5f1ac8c56de732232a962840fd995864d3759f"`
[INFO] [stdout] 73af8c20782474e9e12168789a5f1ac8c56de732232a962840fd995864d3759f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35a518c53cb5137c5f7c6b3b698691333cf150a5bc508d43b326dedd4bc041cd
[INFO] running `"docker" "start" "-a" "35a518c53cb5137c5f7c6b3b698691333cf150a5bc508d43b326dedd4bc041cd"`
[INFO] [stderr]    Compiling libeither v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `question_mark_macro_sep`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     question_mark_macro_sep,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:562:48
[INFO] [stderr]     |
[INFO] [stderr] 562 |         either_else!(&self, ref inner => inner.cause(), None)
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:562:48
[INFO] [stderr]     |
[INFO] [stderr] 562 |         either_else!(&self, ref inner => inner.cause(), None)
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "35a518c53cb5137c5f7c6b3b698691333cf150a5bc508d43b326dedd4bc041cd"`
[INFO] running `"docker" "rm" "-f" "35a518c53cb5137c5f7c6b3b698691333cf150a5bc508d43b326dedd4bc041cd"`
[INFO] [stdout] 35a518c53cb5137c5f7c6b3b698691333cf150a5bc508d43b326dedd4bc041cd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] cec43486ab15ebae80e81db8dd614414f8dc4da35aa47eaf4068fc4ffb4fe809
[INFO] running `"docker" "start" "-a" "cec43486ab15ebae80e81db8dd614414f8dc4da35aa47eaf4068fc4ffb4fe809"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libeither-020beeb6c76763c2
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test tests::and_then_left ... ok
[INFO] [stdout] test tests::and_then_right ... ok
[INFO] [stdout] test tests::deserialize_json_left ... ok
[INFO] [stdout] test tests::and_then_left_on_right ... ok
[INFO] [stdout] test tests::and_then_left_invalid ... ok
[INFO] [stdout] test tests::deserialize_json_right ... ok
[INFO] [stdout] test tests::and_then_right_on_left ... ok
[INFO] [stdout] test tests::either_left_iter ... ok
[INFO] [stdout] test tests::either_left_read ... ok
[INFO] [stdout] test tests::and_then_right_invalid ... ok
[INFO] [stdout] test tests::either_right_iter ... ok
[INFO] [stdout] test tests::either_left_write ... ok
[INFO] [stdout] test tests::either_right_read ... ok
[INFO] [stdout] test tests::flip ... ok
[INFO] [stdout] test tests::deserialize_toml_left ... ok
[INFO] [stdout] test tests::deserialize_toml_right ... ok
[INFO] [stdout] test tests::either_right_write ... ok
[INFO] [stdout] test tests::from_err_result ... ok
[INFO] [stdout] test tests::flip_invalid ... ok
[INFO] [stdout] test tests::from_ok_result ... ok
[INFO] [stdout] test tests::left_ref ... ok
[INFO] [stdout] test tests::invalid_into_iter ... ok
[INFO] [stdout] test tests::left_mut_on_right ... ok
[INFO] [stdout] test tests::io_err_works ... ok
[INFO] [stdout] test tests::left_ref_mut ... ok
[INFO] [stdout] test tests::left_ref_mut_invalid ... ok
[INFO] [stdout] test tests::left_ref_on_right ... ok
[INFO] [stdout] test tests::make_left ... ok
[INFO] [stdout] test tests::make_right ... ok
[INFO] [stdout] test tests::map_left ... ok
[INFO] [stdout] test tests::map_left_invalid ... ok
[INFO] [stdout] test tests::map_right_invalid ... ok
[INFO] [stdout] test tests::map_left_on_right ... ok
[INFO] [stdout] test tests::right_ref ... ok
[INFO] [stdout] test tests::map_right ... ok
[INFO] [stdout] test tests::map_right_on_left ... ok
[INFO] [stdout] test tests::right_mut_on_left ... ok
[INFO] [stdout] test tests::right_ref_mut ... ok
[INFO] [stdout] test tests::serialize_json_left ... ok
[INFO] [stdout] test tests::right_ref_on_left ... ok
[INFO] [stdout] test tests::serialize_json_right ... ok
[INFO] [stdout] test tests::right_ref_mut_invalid ... ok
[INFO] [stdout] test tests::serialize_toml_right ... ok
[INFO] [stdout] test tests::serialize_toml_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libeither
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_mut (line 241) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::right_ref (line 203) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_ref (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::and_then_left (line 344) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_right (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::is_left (line 159) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::left_mut (line 221) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::flip (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_right (line 316) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_left (line 287) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::and_then_right (line 374) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cec43486ab15ebae80e81db8dd614414f8dc4da35aa47eaf4068fc4ffb4fe809"`
[INFO] running `"docker" "rm" "-f" "cec43486ab15ebae80e81db8dd614414f8dc4da35aa47eaf4068fc4ffb4fe809"`
[INFO] [stdout] cec43486ab15ebae80e81db8dd614414f8dc4da35aa47eaf4068fc4ffb4fe809