[INFO] updating cached repository aoikonomopoulos/subdiff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aoikonomopoulos/subdiff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/subdiff" "work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/subdiff" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aoikonomopoulos/subdiff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aoikonomopoulos/subdiff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9793cb6ac6dd0afb94b3fdc14a7eab73f7dcd2d4
[INFO] sha for GitHub repo aoikonomopoulos/subdiff: 9793cb6ac6dd0afb94b3fdc14a7eab73f7dcd2d4
[INFO] validating manifest of aoikonomopoulos/subdiff 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 aoikonomopoulos/subdiff 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 aoikonomopoulos/subdiff
[INFO] finished frobbing aoikonomopoulos/subdiff
[INFO] frobbed toml for aoikonomopoulos/subdiff written to work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff/Cargo.toml
[INFO] started frobbing aoikonomopoulos/subdiff
[INFO] finished frobbing aoikonomopoulos/subdiff
[INFO] frobbed toml for aoikonomopoulos/subdiff written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aoikonomopoulos/subdiff/Cargo.toml
[INFO] crate aoikonomopoulos/subdiff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing aoikonomopoulos/subdiff 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff:/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] ab1a2a23b48c522412bd6630cb995636b0e9d48da364907c185d35f15f9c3e4e
[INFO] running `"docker" "start" "-a" "ab1a2a23b48c522412bd6630cb995636b0e9d48da364907c185d35f15f9c3e4e"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling chrono v0.4.3
[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 21.13s
[INFO] running `"docker" "inspect" "ab1a2a23b48c522412bd6630cb995636b0e9d48da364907c185d35f15f9c3e4e"`
[INFO] running `"docker" "rm" "-f" "ab1a2a23b48c522412bd6630cb995636b0e9d48da364907c185d35f15f9c3e4e"`
[INFO] [stdout] ab1a2a23b48c522412bd6630cb995636b0e9d48da364907c185d35f15f9c3e4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff:/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] f81bd993dacb6f9419d5e11416c9299209e50107c074880c8913db4c8252108a
[INFO] running `"docker" "start" "-a" "f81bd993dacb6f9419d5e11416c9299209e50107c074880c8913db4c8252108a"`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling temporary v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.1
[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 12.28s
[INFO] running `"docker" "inspect" "f81bd993dacb6f9419d5e11416c9299209e50107c074880c8913db4c8252108a"`
[INFO] running `"docker" "rm" "-f" "f81bd993dacb6f9419d5e11416c9299209e50107c074880c8913db4c8252108a"`
[INFO] [stdout] f81bd993dacb6f9419d5e11416c9299209e50107c074880c8913db4c8252108a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aoikonomopoulos/subdiff:/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] dc2d5f4ab6c087705ef4aa421add6642a6a9f2f9d9aa76e707d0bbf3888987b8
[INFO] running `"docker" "start" "-a" "dc2d5f4ab6c087705ef4aa421add6642a6a9f2f9d9aa76e707d0bbf3888987b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/subdiff-893127a5860a37d6
[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_wide ... ok
[INFO] [stdout] test tests::word_character_class_narrow ... ok
[INFO] [stdout] test tests::char_character_class_narrow ... 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" "dc2d5f4ab6c087705ef4aa421add6642a6a9f2f9d9aa76e707d0bbf3888987b8"`
[INFO] running `"docker" "rm" "-f" "dc2d5f4ab6c087705ef4aa421add6642a6a9f2f9d9aa76e707d0bbf3888987b8"`
[INFO] [stdout] dc2d5f4ab6c087705ef4aa421add6642a6a9f2f9d9aa76e707d0bbf3888987b8