[INFO] updating cached repository RustBicycleBook/wordcount
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustBicycleBook/wordcount
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustBicycleBook/wordcount" "work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustBicycleBook/wordcount" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustBicycleBook/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustBicycleBook/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] sha for GitHub repo RustBicycleBook/wordcount: 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] validating manifest of RustBicycleBook/wordcount 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 RustBicycleBook/wordcount 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 RustBicycleBook/wordcount
[INFO] finished frobbing RustBicycleBook/wordcount
[INFO] frobbed toml for RustBicycleBook/wordcount written to work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount/Cargo.toml
[INFO] started frobbing RustBicycleBook/wordcount
[INFO] finished frobbing RustBicycleBook/wordcount
[INFO] frobbed toml for RustBicycleBook/wordcount written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustBicycleBook/wordcount/Cargo.toml
[INFO] crate RustBicycleBook/wordcount already has a lockfile, it will not be regenerated
[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 RustBicycleBook/wordcount 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount:/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] fb3fe0e10502a577731aad07862dcca1e46ff804e1fc1d311f9123a099e29593
[INFO] running `"docker" "start" "-a" "fb3fe0e10502a577731aad07862dcca1e46ff804e1fc1d311f9123a099e29593"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling bicycle-book-wordcount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `"docker" "inspect" "fb3fe0e10502a577731aad07862dcca1e46ff804e1fc1d311f9123a099e29593"`
[INFO] running `"docker" "rm" "-f" "fb3fe0e10502a577731aad07862dcca1e46ff804e1fc1d311f9123a099e29593"`
[INFO] [stdout] fb3fe0e10502a577731aad07862dcca1e46ff804e1fc1d311f9123a099e29593
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount:/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] 9509db804040a8abb4f79a52f7649f3e883a1e80d3598b8ee12c17cd45689e43
[INFO] running `"docker" "start" "-a" "9509db804040a8abb4f79a52f7649f3e883a1e80d3598b8ee12c17cd45689e43"`
[INFO] [stderr]    Compiling bicycle-book-wordcount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `"docker" "inspect" "9509db804040a8abb4f79a52f7649f3e883a1e80d3598b8ee12c17cd45689e43"`
[INFO] running `"docker" "rm" "-f" "9509db804040a8abb4f79a52f7649f3e883a1e80d3598b8ee12c17cd45689e43"`
[INFO] [stdout] 9509db804040a8abb4f79a52f7649f3e883a1e80d3598b8ee12c17cd45689e43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustBicycleBook/wordcount:/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] d226ad39fdb907619b7047f5b5595cc01fde24e707d1afe72f665640359713c4
[INFO] running `"docker" "start" "-a" "d226ad39fdb907619b7047f5b5595cc01fde24e707d1afe72f665640359713c4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bicycle_book_wordcount-27072d682636bf5a
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::word_count_works3 ... ok
[INFO] [stdout] test word_count_works ... ok
[INFO] [stdout] test word_count_works2 ... ok
[INFO] [stdout] test word_count_works3 ... ok
[INFO] [stdout] test word_count_do_not_contain_unknown_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bicycle_book_wordcount-2de7e8c1ad26372f
[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] [stderr]      Running /opt/crater/target/debug/deps/char-0d359b65e2e39631
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test char_count_utf8 ... ok
[INFO] [stdout] test char_count_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/line-e189811b4a7c94f1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test line_count_lfcr ... ok
[INFO] [stdout] test line_count_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bicycle-book-wordcount
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - count (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d226ad39fdb907619b7047f5b5595cc01fde24e707d1afe72f665640359713c4"`
[INFO] running `"docker" "rm" "-f" "d226ad39fdb907619b7047f5b5595cc01fde24e707d1afe72f665640359713c4"`
[INFO] [stdout] d226ad39fdb907619b7047f5b5595cc01fde24e707d1afe72f665640359713c4