[INFO] crate petrovich 0.1.1 is already in cache
[INFO] extracting crate petrovich 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/petrovich/0.1.1
[INFO] extracting crate petrovich 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/petrovich/0.1.1
[INFO] validating manifest of petrovich-0.1.1 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 petrovich-0.1.1 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 petrovich-0.1.1
[INFO] finished frobbing petrovich-0.1.1
[INFO] frobbed toml for petrovich-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/petrovich/0.1.1/Cargo.toml
[INFO] started frobbing petrovich-0.1.1
[INFO] finished frobbing petrovich-0.1.1
[INFO] frobbed toml for petrovich-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/petrovich/0.1.1/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] 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 petrovich-0.1.1 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/petrovich/0.1.1:/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] eef481746b641feb6381cc5a08910e8b2b8246c60227cec99417726d4890a626
[INFO] running `"docker" "start" "-a" "eef481746b641feb6381cc5a08910e8b2b8246c60227cec99417726d4890a626"`
[INFO] [stderr]    Compiling petrovich v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let postfix = inflection.trim_left_matches(matches);
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "eef481746b641feb6381cc5a08910e8b2b8246c60227cec99417726d4890a626"`
[INFO] running `"docker" "rm" "-f" "eef481746b641feb6381cc5a08910e8b2b8246c60227cec99417726d4890a626"`
[INFO] [stdout] eef481746b641feb6381cc5a08910e8b2b8246c60227cec99417726d4890a626
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/petrovich/0.1.1:/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] 47fe5e48fe6b9daf04980cb841fa63ddcf38362e3c5c2ea2d9f075bcf0baae32
[INFO] running `"docker" "start" "-a" "47fe5e48fe6b9daf04980cb841fa63ddcf38362e3c5c2ea2d9f075bcf0baae32"`
[INFO] [stderr]    Compiling petrovich v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let postfix = inflection.trim_left_matches(matches);
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]    --> src/lib.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let subject = Petrovich::new();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]    --> src/lib.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let subject = Petrovich::new();
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "47fe5e48fe6b9daf04980cb841fa63ddcf38362e3c5c2ea2d9f075bcf0baae32"`
[INFO] running `"docker" "rm" "-f" "47fe5e48fe6b9daf04980cb841fa63ddcf38362e3c5c2ea2d9f075bcf0baae32"`
[INFO] [stdout] 47fe5e48fe6b9daf04980cb841fa63ddcf38362e3c5c2ea2d9f075bcf0baae32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/petrovich/0.1.1:/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] 33c1ebad8c43dfd81650e935b4b664d2eb7e53a869cd32e3d60e47c4d6ff106e
[INFO] running `"docker" "start" "-a" "33c1ebad8c43dfd81650e935b4b664d2eb7e53a869cd32e3d60e47c4d6ff106e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/petrovich-544871009bb518f4
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test should_inflect_complex_male_lastnames ... ok
[INFO] [stdout] test should_initialize ... ok
[INFO] [stdout] test should_error ... ok
[INFO] [stdout] test should_detect_gender ... ok
[INFO] [stdout] test should_inflect_complex_female_lastnames ... ok
[INFO] [stdout] test should_inflect_first_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests petrovich
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... 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" "33c1ebad8c43dfd81650e935b4b664d2eb7e53a869cd32e3d60e47c4d6ff106e"`
[INFO] running `"docker" "rm" "-f" "33c1ebad8c43dfd81650e935b4b664d2eb7e53a869cd32e3d60e47c4d6ff106e"`
[INFO] [stdout] 33c1ebad8c43dfd81650e935b4b664d2eb7e53a869cd32e3d60e47c4d6ff106e