[INFO] crate paragraph-breaker 0.4.3 is already in cache
[INFO] extracting crate paragraph-breaker 0.4.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/paragraph-breaker/0.4.3
[INFO] extracting crate paragraph-breaker 0.4.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paragraph-breaker/0.4.3
[INFO] validating manifest of paragraph-breaker-0.4.3 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 paragraph-breaker-0.4.3 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 paragraph-breaker-0.4.3
[INFO] finished frobbing paragraph-breaker-0.4.3
[INFO] frobbed toml for paragraph-breaker-0.4.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/paragraph-breaker/0.4.3/Cargo.toml
[INFO] started frobbing paragraph-breaker-0.4.3
[INFO] finished frobbing paragraph-breaker-0.4.3
[INFO] frobbed toml for paragraph-breaker-0.4.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paragraph-breaker/0.4.3/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 paragraph-breaker-0.4.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paragraph-breaker/0.4.3:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c88bac3c6b54b3379670e5edd795f8fb1f1c44ca1d8fe97c648d6b8a9341c7a3
[INFO] running `"docker" "start" "-a" "c88bac3c6b54b3379670e5edd795f8fb1f1c44ca1d8fe97c648d6b8a9341c7a3"`
[INFO] [stderr]    Compiling paragraph-breaker v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                     let mut node = Node {
[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 0.48s
[INFO] running `"docker" "inspect" "c88bac3c6b54b3379670e5edd795f8fb1f1c44ca1d8fe97c648d6b8a9341c7a3"`
[INFO] running `"docker" "rm" "-f" "c88bac3c6b54b3379670e5edd795f8fb1f1c44ca1d8fe97c648d6b8a9341c7a3"`
[INFO] [stdout] c88bac3c6b54b3379670e5edd795f8fb1f1c44ca1d8fe97c648d6b8a9341c7a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paragraph-breaker/0.4.3:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55b86ec46b5b7df87be6edd41ad8b512dc6b71131899b8a8d99d91ad3ac4fd49
[INFO] running `"docker" "start" "-a" "55b86ec46b5b7df87be6edd41ad8b512dc6b71131899b8a8d99d91ad3ac4fd49"`
[INFO] [stderr]    Compiling paragraph-breaker v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:603:17
[INFO] [stderr]     |
[INFO] [stderr] 603 |             'a' ... 'z' => LOWERCASE_WIDTHS[c as usize - 'a' as usize],
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:25
[INFO] [stderr]     |
[INFO] [stderr] 270 |                     let mut node = Node {
[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 1.40s
[INFO] running `"docker" "inspect" "55b86ec46b5b7df87be6edd41ad8b512dc6b71131899b8a8d99d91ad3ac4fd49"`
[INFO] running `"docker" "rm" "-f" "55b86ec46b5b7df87be6edd41ad8b512dc6b71131899b8a8d99d91ad3ac4fd49"`
[INFO] [stdout] 55b86ec46b5b7df87be6edd41ad8b512dc6b71131899b8a8d99d91ad3ac4fd49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/paragraph-breaker/0.4.3:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ec63e4ec877e83ef180c772d69254821aa9c9e2d25b64be2195da631b3584cd1
[INFO] running `"docker" "start" "-a" "ec63e4ec877e83ef180c772d69254821aa9c9e2d25b64be2195da631b3584cd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/paragraph_breaker-ff118c6ce32d2bd7
[INFO] [stderr]    Doc-tests paragraph-breaker
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_breakpoints ... ok
[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" "ec63e4ec877e83ef180c772d69254821aa9c9e2d25b64be2195da631b3584cd1"`
[INFO] running `"docker" "rm" "-f" "ec63e4ec877e83ef180c772d69254821aa9c9e2d25b64be2195da631b3584cd1"`
[INFO] [stdout] ec63e4ec877e83ef180c772d69254821aa9c9e2d25b64be2195da631b3584cd1