[INFO] crate libeither 0.3.0 is already in cache
[INFO] extracting crate libeither 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/libeither/0.3.0
[INFO] extracting crate libeither 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libeither/0.3.0
[INFO] validating manifest of libeither-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libeither-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libeither-0.3.0
[INFO] finished frobbing libeither-0.3.0
[INFO] frobbed toml for libeither-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libeither/0.3.0/Cargo.toml
[INFO] started frobbing libeither-0.3.0
[INFO] finished frobbing libeither-0.3.0
[INFO] frobbed toml for libeither-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libeither/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libeither-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libeither/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4ed7c72f5944923b2624f3e43c2eb0f553e21f5438e92c2a07bb33c4e9b29e6c
[INFO] running `"docker" "start" "-a" "4ed7c72f5944923b2624f3e43c2eb0f553e21f5438e92c2a07bb33c4e9b29e6c"`
[INFO] [stderr]    Compiling libeither v0.3.0 (/opt/crater/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 0.78s
[INFO] running `"docker" "inspect" "4ed7c72f5944923b2624f3e43c2eb0f553e21f5438e92c2a07bb33c4e9b29e6c"`
[INFO] running `"docker" "rm" "-f" "4ed7c72f5944923b2624f3e43c2eb0f553e21f5438e92c2a07bb33c4e9b29e6c"`
[INFO] [stdout] 4ed7c72f5944923b2624f3e43c2eb0f553e21f5438e92c2a07bb33c4e9b29e6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libeither/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8bf7511aed75ecdf42ca433041ad02c7c721890d10e2fb6922146ab1f86d45c4
[INFO] running `"docker" "start" "-a" "8bf7511aed75ecdf42ca433041ad02c7c721890d10e2fb6922146ab1f86d45c4"`
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling libeither v0.3.0 (/opt/crater/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 6.97s
[INFO] running `"docker" "inspect" "8bf7511aed75ecdf42ca433041ad02c7c721890d10e2fb6922146ab1f86d45c4"`
[INFO] running `"docker" "rm" "-f" "8bf7511aed75ecdf42ca433041ad02c7c721890d10e2fb6922146ab1f86d45c4"`
[INFO] [stdout] 8bf7511aed75ecdf42ca433041ad02c7c721890d10e2fb6922146ab1f86d45c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libeither/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e1c742bacec8335962f84fac964053cb06f0d97b056f30dfd56d09e33d8fb2e4
[INFO] running `"docker" "start" "-a" "e1c742bacec8335962f84fac964053cb06f0d97b056f30dfd56d09e33d8fb2e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libeither-ad2aebee173d303c
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test tests::deserialize_json_left ... ok
[INFO] [stdout] test tests::deserialize_json_right ... ok
[INFO] [stdout] test tests::and_then_right_on_left ... ok
[INFO] [stdout] test tests::and_then_right_invalid ... ok
[INFO] [stdout] test tests::and_then_right ... ok
[INFO] [stdout] test tests::either_left_iter ... ok
[INFO] [stdout] test tests::and_then_left_on_right ... ok
[INFO] [stdout] test tests::and_then_left_invalid ... ok
[INFO] [stdout] test tests::and_then_left ... ok
[INFO] [stdout] test tests::either_left_read ... ok
[INFO] [stdout] test tests::either_left_write ... ok
[INFO] [stdout] test tests::either_right_iter ... ok
[INFO] [stdout] test tests::deserialize_toml_left ... ok
[INFO] [stdout] test tests::deserialize_toml_right ... ok
[INFO] [stderr]    Doc-tests libeither
[INFO] [stdout] test tests::io_err_works ... ok
[INFO] [stdout] test tests::from_err_result ... ok
[INFO] [stdout] test tests::left_mut_on_right ... ok
[INFO] [stdout] test tests::left_ref_mut ... ok
[INFO] [stdout] test tests::left_ref ... ok
[INFO] [stdout] test tests::either_right_write ... ok
[INFO] [stdout] test tests::either_right_read ... ok
[INFO] [stdout] test tests::left_ref_mut_invalid ... ok
[INFO] [stdout] test tests::left_ref_on_right ... ok
[INFO] [stdout] test tests::make_right ... ok
[INFO] [stdout] test tests::make_left ... ok
[INFO] [stdout] test tests::map_left_on_right ... ok
[INFO] [stdout] test tests::map_right ... ok
[INFO] [stdout] test tests::map_right_invalid ... 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 ... ok
[INFO] [stdout] test tests::flip ... ok
[INFO] [stdout] test tests::right_ref_mut ... ok
[INFO] [stdout] test tests::flip_invalid ... ok
[INFO] [stdout] test tests::right_ref_mut_invalid ... ok
[INFO] [stdout] test tests::right_ref_on_left ... ok
[INFO] [stdout] test tests::serialize_toml_right ... ok
[INFO] [stdout] test tests::serialize_toml_left ... ok
[INFO] [stdout] test tests::invalid_into_iter ... ok
[INFO] [stdout] test tests::from_ok_result ... ok
[INFO] [stdout] test tests::serialize_json_right ... ok
[INFO] [stdout] test tests::serialize_json_left ... ok
[INFO] [stdout] test tests::map_left ... ok
[INFO] [stdout] test tests::map_left_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[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>::and_then_right (line 374) ... 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>::left_ref (line 185) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::flip (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_left (line 287) ... ok
[INFO] [stdout] test src/lib.rs - Either<L, R>::map_right (line 316) ... ok
[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] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e1c742bacec8335962f84fac964053cb06f0d97b056f30dfd56d09e33d8fb2e4"`
[INFO] running `"docker" "rm" "-f" "e1c742bacec8335962f84fac964053cb06f0d97b056f30dfd56d09e33d8fb2e4"`
[INFO] [stdout] e1c742bacec8335962f84fac964053cb06f0d97b056f30dfd56d09e33d8fb2e4