[INFO] crate subdiff 0.1.0 is already in cache
[INFO] extracting crate subdiff 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/subdiff/0.1.0
[INFO] extracting crate subdiff 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/subdiff/0.1.0
[INFO] validating manifest of subdiff-0.1.0 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 subdiff-0.1.0 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 subdiff-0.1.0
[INFO] finished frobbing subdiff-0.1.0
[INFO] frobbed toml for subdiff-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/subdiff/0.1.0/Cargo.toml
[INFO] started frobbing subdiff-0.1.0
[INFO] finished frobbing subdiff-0.1.0
[INFO] frobbed toml for subdiff-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/subdiff/0.1.0/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 subdiff-0.1.0 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/subdiff/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 88519777be8e59ff7f1f0a9fbbfc0297e6d0f34c122b298d7087e146abcb5a9a
[INFO] running `"docker" "start" "-a" "88519777be8e59ff7f1f0a9fbbfc0297e6d0f34c122b298d7087e146abcb5a9a"`
[INFO] [stderr]    Compiling lcs-diff v0.1.1
[INFO] [stderr]    Compiling subdiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hunked.rs:422:31
[INFO] [stderr]     |
[INFO] [stderr] 422 |         CollectingCommonsTail(mut hunk, _, _) => hunk,
[INFO] [stderr]     |                               ----^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `"docker" "inspect" "88519777be8e59ff7f1f0a9fbbfc0297e6d0f34c122b298d7087e146abcb5a9a"`
[INFO] running `"docker" "rm" "-f" "88519777be8e59ff7f1f0a9fbbfc0297e6d0f34c122b298d7087e146abcb5a9a"`
[INFO] [stdout] 88519777be8e59ff7f1f0a9fbbfc0297e6d0f34c122b298d7087e146abcb5a9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/subdiff/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6e3dec86570474c236e2061ddc428b66c895a9a2f3936d16dafe182980be052
[INFO] running `"docker" "start" "-a" "d6e3dec86570474c236e2061ddc428b66c895a9a2f3936d16dafe182980be052"`
[INFO] [stderr]    Compiling temporary v0.6.3
[INFO] [stderr]    Compiling subdiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hunked.rs:422:31
[INFO] [stderr]     |
[INFO] [stderr] 422 |         CollectingCommonsTail(mut hunk, _, _) => hunk,
[INFO] [stderr]     |                               ----^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `"docker" "inspect" "d6e3dec86570474c236e2061ddc428b66c895a9a2f3936d16dafe182980be052"`
[INFO] running `"docker" "rm" "-f" "d6e3dec86570474c236e2061ddc428b66c895a9a2f3936d16dafe182980be052"`
[INFO] [stdout] d6e3dec86570474c236e2061ddc428b66c895a9a2f3936d16dafe182980be052
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/subdiff/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 994926f47ea23d782bf2a0d0068cb40ef4fc8f6498e3a5f0adfcaf3d1ffec268
[INFO] running `"docker" "start" "-a" "994926f47ea23d782bf2a0d0068cb40ef4fc8f6498e3a5f0adfcaf3d1ffec268"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/subdiff-e496c59ecd64d532
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::context_wdiff ... ok
[INFO] [stdout] test tests::ignore_re_works ... ok
[INFO] [stdout] test tests::char_character_class_wide ... ok
[INFO] [stdout] test tests::word_character_class_narrow ... ok
[INFO] [stdout] test tests::char_character_class_narrow ... ok
[INFO] [stdout] test tests::word_character_class_wide ... ok
[INFO] [stdout] test tests::single_re_works ... ok
[INFO] [stdout] test tests::multiple_res_work ... ok
[INFO] [stdout] test tests::re_and_ignore_re_work ... ok
[INFO] [stdout] test tests::newline_at_eof_handling ... ok
[INFO] [stdout] test tests::long_test_of_combos_against_diff ... test tests::long_test_of_combos_against_diff has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "994926f47ea23d782bf2a0d0068cb40ef4fc8f6498e3a5f0adfcaf3d1ffec268"`
[INFO] running `"docker" "rm" "-f" "994926f47ea23d782bf2a0d0068cb40ef4fc8f6498e3a5f0adfcaf3d1ffec268"`
[INFO] [stdout] 994926f47ea23d782bf2a0d0068cb40ef4fc8f6498e3a5f0adfcaf3d1ffec268