[INFO] crate difference 2.0.0 is already in cache
[INFO] extracting crate difference 2.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/difference/2.0.0
[INFO] extracting crate difference 2.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/difference/2.0.0
[INFO] validating manifest of difference-2.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of difference-2.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing difference-2.0.0
[INFO] finished frobbing difference-2.0.0
[INFO] frobbed toml for difference-2.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/difference/2.0.0/Cargo.toml
[INFO] started frobbing difference-2.0.0
[INFO] finished frobbing difference-2.0.0
[INFO] frobbed toml for difference-2.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/difference/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing difference-2.0.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/difference/2.0.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c105123638b1722a80138bc3bef414cef62d56c1969bc4e35ed03b212019871e
[INFO] running `"docker" "start" "-a" "c105123638b1722a80138bc3bef414cef62d56c1969bc4e35ed03b212019871e"`
[INFO] [stderr]    Compiling difference v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "c105123638b1722a80138bc3bef414cef62d56c1969bc4e35ed03b212019871e"`
[INFO] running `"docker" "rm" "-f" "c105123638b1722a80138bc3bef414cef62d56c1969bc4e35ed03b212019871e"`
[INFO] [stdout] c105123638b1722a80138bc3bef414cef62d56c1969bc4e35ed03b212019871e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/difference/2.0.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1dc8762ed0a5acd6e32d4a2e4f7f25f98a83d8119c4b5775f73d95950ab83217
[INFO] running `"docker" "start" "-a" "1dc8762ed0a5acd6e32d4a2e4f7f25f98a83d8119c4b5775f73d95950ab83217"`
[INFO] [stderr]    Compiling difference v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `needless_pass_by_value`
[INFO] [stderr]    --> tests/quickcheck.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[allow(needless_pass_by_value)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unknown_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "1dc8762ed0a5acd6e32d4a2e4f7f25f98a83d8119c4b5775f73d95950ab83217"`
[INFO] running `"docker" "rm" "-f" "1dc8762ed0a5acd6e32d4a2e4f7f25f98a83d8119c4b5775f73d95950ab83217"`
[INFO] [stdout] 1dc8762ed0a5acd6e32d4a2e4f7f25f98a83d8119c4b5775f73d95950ab83217
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/difference/2.0.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1dbd779220f5a759e075f1800d199cecd1c359d8c29e4ecc1ba927c7825ac91f
[INFO] running `"docker" "start" "-a" "1dbd779220f5a759e075f1800d199cecd1c359d8c29e4ecc1ba927c7825ac91f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/difference-21206b20492192e7
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test lcs::test_lcs ... ok
[INFO] [stdout] test test_diff_brief ... ok
[INFO] [stdout] test test_assert_diff ... ok
[INFO] [stdout] test test_diff ... ok
[INFO] [stdout] test merge::test_merge ... ok
[INFO] [stdout] test test_diff_smaller_line_count_on_right ... ok
[INFO] [stdout] test test_diff_similar_text_with_similar_line_count ... ok
[INFO] [stdout] test test_diff_similar_text_with_smaller_line_count_on_right ... ok
[INFO] [stdout] test test_diff_smaller_line_count_on_left ... ok
[INFO] [stdout] test test_assert_diff_panic ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/difference-60742081aa641d77
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quickcheck-dd71fbd5345d4804
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test issue_19 ... ok
[INFO] [stdout] test fuzzy ... ok
[INFO] [stderr]    Doc-tests difference
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - assert_diff (line 145) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs - print_diff (line 184) ... ok
[INFO] [stdout] test src/lib.rs - Changeset::new (line 84) ... ok
[INFO] [stdout] test src/lib.rs - diff (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1dbd779220f5a759e075f1800d199cecd1c359d8c29e4ecc1ba927c7825ac91f"`
[INFO] running `"docker" "rm" "-f" "1dbd779220f5a759e075f1800d199cecd1c359d8c29e4ecc1ba927c7825ac91f"`
[INFO] [stdout] 1dbd779220f5a759e075f1800d199cecd1c359d8c29e4ecc1ba927c7825ac91f