[INFO] crate luther 0.1.0 is already in cache
[INFO] extracting crate luther 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/luther/0.1.0
[INFO] extracting crate luther 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/luther/0.1.0
[INFO] validating manifest of luther-0.1.0 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 luther-0.1.0 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 luther-0.1.0
[INFO] finished frobbing luther-0.1.0
[INFO] frobbed toml for luther-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/luther/0.1.0/Cargo.toml
[INFO] started frobbing luther-0.1.0
[INFO] finished frobbing luther-0.1.0
[INFO] frobbed toml for luther-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/luther/0.1.0/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] 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 luther-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/luther/0.1.0:/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] 8a706489d19ba7e1d859c60427c07a72861f6ed59eeb15abc11fee0eaf24df85
[INFO] running `"docker" "start" "-a" "8a706489d19ba7e1d859c60427c07a72861f6ed59eeb15abc11fee0eaf24df85"`
[INFO] [stderr]    Compiling luther v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/spanned.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |     E: Into<Box<::std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "8a706489d19ba7e1d859c60427c07a72861f6ed59eeb15abc11fee0eaf24df85"`
[INFO] running `"docker" "rm" "-f" "8a706489d19ba7e1d859c60427c07a72861f6ed59eeb15abc11fee0eaf24df85"`
[INFO] [stdout] 8a706489d19ba7e1d859c60427c07a72861f6ed59eeb15abc11fee0eaf24df85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/luther/0.1.0:/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] 24622a5ead5bdcaa440956b91276441d8a625deeef1af462138db8b206411f66
[INFO] running `"docker" "start" "-a" "24622a5ead5bdcaa440956b91276441d8a625deeef1af462138db8b206411f66"`
[INFO] [stderr]    Compiling luther v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/spanned.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |     E: Into<Box<::std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/span.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         Location::new(usize::max_value()) + 3;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `"docker" "inspect" "24622a5ead5bdcaa440956b91276441d8a625deeef1af462138db8b206411f66"`
[INFO] running `"docker" "rm" "-f" "24622a5ead5bdcaa440956b91276441d8a625deeef1af462138db8b206411f66"`
[INFO] [stdout] 24622a5ead5bdcaa440956b91276441d8a625deeef1af462138db8b206411f66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/luther/0.1.0:/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] 0f9e7921da1fe56b7a85c3675f65aeedbf595b398282c71c3baddbe2a0bf532e
[INFO] running `"docker" "start" "-a" "0f9e7921da1fe56b7a85c3675f65aeedbf595b398282c71c3baddbe2a0bf532e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/luther-389a56fc7b76cb40
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test dfa::test::lexer_is_some_err_input_error_for_initial_input_error ... ok
[INFO] [stdout] test dfa::test::lexer_is_none_for_empty_input ... ok
[INFO] [stdout] test dfa::test::lexer_is_some_err_invalid_character_for_invalid_initial_character ... ok
[INFO] [stdout] test dfa::test::lexer_is_some_err_invalid_token_for_rejected_input ... ok
[INFO] [stdout] test dfa::test::lexer_is_some_ok_for_accepted_input ... ok
[INFO] [stdout] test dfa::test::lexer_is_invalid_token_for_invalid_second_token_in_input ... ok
[INFO] [stdout] test dfa::test::lexer_is_input_error_for_subsequent_input_error ... ok
[INFO] [stdout] test dfa::test::lexer_is_invalid_character_for_invalid_second_token_in_input ... ok
[INFO] [stdout] test dfa::test::lexer_map_spans_to_new_values ... ok
[INFO] [stdout] test dfa::test::lexer_matches_consecutive_tokens_in_input ... ok
[INFO] [stdout] test span::test::span_from_usize_char_give_expected_result_for_a ... ok
[INFO] [stdout] test span::test::span_from_usize_char_gives_expected_result_for_euro_sign ... ok
[INFO] [stdout] test span::test::location_add_eq_usize_add ... ok
[INFO] [stdout] test span::test::location_default_eq_location_0 ... ok
[INFO] [stdout] test spanned::test::extract_invalid_first_byte_is_error ... ok
[INFO] [stdout] test spanned::test::extract_with_invalid_continuation_is_error ... ok
[INFO] [stdout] test spanned::test::extract_with_too_few_bytes_is_error ... ok
[INFO] [stdout] test spanned::test::extract_with_valid_bytes_is_expected_char ... ok
[INFO] [stdout] test spanned::test::spanned_utf8_decodes_expected_chars ... ok
[INFO] [stdout] test spanned::test::string_iterates_expected_spans ... ok
[INFO] [stdout] test spanned::test::utf8_spanned_chars_decodes_expected_chars ... ok
[INFO] [stdout] test dfa::test::prop_lexer_matches_regex ... ok
[INFO] [stdout] test span::test::location_add_overflow_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/token_tests-e8c081d286daa9d0
[INFO] [stdout] running 1 test
[INFO] [stdout] test luther_matches_for_tokens_ab_and_accc ... ok
[INFO] [stderr]    Doc-tests luther
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0f9e7921da1fe56b7a85c3675f65aeedbf595b398282c71c3baddbe2a0bf532e"`
[INFO] running `"docker" "rm" "-f" "0f9e7921da1fe56b7a85c3675f65aeedbf595b398282c71c3baddbe2a0bf532e"`
[INFO] [stdout] 0f9e7921da1fe56b7a85c3675f65aeedbf595b398282c71c3baddbe2a0bf532e