[INFO] updating cached repository totechite/mossy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/totechite/mossy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/totechite/mossy" "work/ex/beta-1.38-1/sources/1.37.0/gh/totechite/mossy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/totechite/mossy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totechite/mossy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11894e7b85714c74d548d73a4700e166b33e389d
[INFO] sha for GitHub repo totechite/mossy: 11894e7b85714c74d548d73a4700e166b33e389d
[INFO] validating manifest of totechite/mossy 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 totechite/mossy 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 totechite/mossy
[INFO] finished frobbing totechite/mossy
[INFO] frobbed toml for totechite/mossy written to work/ex/beta-1.38-1/sources/1.37.0/gh/totechite/mossy/Cargo.toml
[INFO] started frobbing totechite/mossy
[INFO] finished frobbing totechite/mossy
[INFO] frobbed toml for totechite/mossy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy/Cargo.toml
[INFO] crate totechite/mossy 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 totechite/mossy against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1782ef2698f5117cd7c38997f99b74e1d101ff7eb56c0d6a5e418c3692502c88
[INFO] running `"docker" "start" "-a" "1782ef2698f5117cd7c38997f99b74e1d101ff7eb56c0d6a5e418c3692502c88"`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling mossy v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let mut find_lang: Option<_> = Regex::new(r"[\w[0-9]]+")
[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 10.08s
[INFO] running `"docker" "inspect" "1782ef2698f5117cd7c38997f99b74e1d101ff7eb56c0d6a5e418c3692502c88"`
[INFO] running `"docker" "rm" "-f" "1782ef2698f5117cd7c38997f99b74e1d101ff7eb56c0d6a5e418c3692502c88"`
[INFO] [stdout] 1782ef2698f5117cd7c38997f99b74e1d101ff7eb56c0d6a5e418c3692502c88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1097546f4a662b01b160e03f4f4d8c2560f55328dd64f39f4dc29ac2922b63e1
[INFO] running `"docker" "start" "-a" "1097546f4a662b01b160e03f4f4d8c2560f55328dd64f39f4dc29ac2922b63e1"`
[INFO] [stderr]    Compiling mossy v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let mut find_lang: Option<_> = Regex::new(r"[\w[0-9]]+")
[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 1.64s
[INFO] running `"docker" "inspect" "1097546f4a662b01b160e03f4f4d8c2560f55328dd64f39f4dc29ac2922b63e1"`
[INFO] running `"docker" "rm" "-f" "1097546f4a662b01b160e03f4f4d8c2560f55328dd64f39f4dc29ac2922b63e1"`
[INFO] [stdout] 1097546f4a662b01b160e03f4f4d8c2560f55328dd64f39f4dc29ac2922b63e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totechite/mossy:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 263192711af085cfee52f0244dc2a179b5b4c6e61a2f7ee1537f7624533e4c34
[INFO] running `"docker" "start" "-a" "263192711af085cfee52f0244dc2a179b5b4c6e61a2f7ee1537f7624533e4c34"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mossy-7b57b83f5a26be39
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test code ... ok
[INFO] [stdout] test line_heading ... ok
[INFO] [stdout] test sharp_heading ... ok
[INFO] [stdout] test inline_link ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mossy
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - App::exec (line 47) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "263192711af085cfee52f0244dc2a179b5b4c6e61a2f7ee1537f7624533e4c34"`
[INFO] running `"docker" "rm" "-f" "263192711af085cfee52f0244dc2a179b5b4c6e61a2f7ee1537f7624533e4c34"`
[INFO] [stdout] 263192711af085cfee52f0244dc2a179b5b4c6e61a2f7ee1537f7624533e4c34