[INFO] updating cached repository dorkrawk/rule110
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dorkrawk/rule110
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dorkrawk/rule110" "work/ex/beta-1.38-1/sources/1.37.0/gh/dorkrawk/rule110"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dorkrawk/rule110'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dorkrawk/rule110" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dorkrawk/rule110"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dorkrawk/rule110'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ade62ae339637012aabc970799423856437459ab
[INFO] sha for GitHub repo dorkrawk/rule110: ade62ae339637012aabc970799423856437459ab
[INFO] validating manifest of dorkrawk/rule110 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 dorkrawk/rule110 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 dorkrawk/rule110
[INFO] finished frobbing dorkrawk/rule110
[INFO] frobbed toml for dorkrawk/rule110 written to work/ex/beta-1.38-1/sources/1.37.0/gh/dorkrawk/rule110/Cargo.toml
[INFO] started frobbing dorkrawk/rule110
[INFO] finished frobbing dorkrawk/rule110
[INFO] frobbed toml for dorkrawk/rule110 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dorkrawk/rule110/Cargo.toml
[INFO] crate dorkrawk/rule110 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 dorkrawk/rule110 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-7/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/dorkrawk/rule110:/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] 396344eca85d8acbbaf025551bbcacbde41a6c7502121dfc8cd0f50a5c3ecc96
[INFO] running `"docker" "start" "-a" "396344eca85d8acbbaf025551bbcacbde41a6c7502121dfc8cd0f50a5c3ecc96"`
[INFO] [stderr]    Compiling rule110 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         io::stdin().read_line(&mut pattern).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "396344eca85d8acbbaf025551bbcacbde41a6c7502121dfc8cd0f50a5c3ecc96"`
[INFO] running `"docker" "rm" "-f" "396344eca85d8acbbaf025551bbcacbde41a6c7502121dfc8cd0f50a5c3ecc96"`
[INFO] [stdout] 396344eca85d8acbbaf025551bbcacbde41a6c7502121dfc8cd0f50a5c3ecc96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/dorkrawk/rule110:/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] 74c9bdb7b7442e683ed5dd79bc31ecbb3ecd8c892472980b26bad76a00139a59
[INFO] running `"docker" "start" "-a" "74c9bdb7b7442e683ed5dd79bc31ecbb3ecd8c892472980b26bad76a00139a59"`
[INFO] [stderr]    Compiling rule110 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         io::stdin().read_line(&mut pattern).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "74c9bdb7b7442e683ed5dd79bc31ecbb3ecd8c892472980b26bad76a00139a59"`
[INFO] running `"docker" "rm" "-f" "74c9bdb7b7442e683ed5dd79bc31ecbb3ecd8c892472980b26bad76a00139a59"`
[INFO] [stdout] 74c9bdb7b7442e683ed5dd79bc31ecbb3ecd8c892472980b26bad76a00139a59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/dorkrawk/rule110:/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] 0695e95aaf1de26132ecec0afe0ef7961fa8575aa209b114a05853ad4b4c5c0d
[INFO] running `"docker" "start" "-a" "0695e95aaf1de26132ecec0afe0ef7961fa8575aa209b114a05853ad4b4c5c0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rule110-89c4f1b3bd5879df
[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" "0695e95aaf1de26132ecec0afe0ef7961fa8575aa209b114a05853ad4b4c5c0d"`
[INFO] running `"docker" "rm" "-f" "0695e95aaf1de26132ecec0afe0ef7961fa8575aa209b114a05853ad4b4c5c0d"`
[INFO] [stdout] 0695e95aaf1de26132ecec0afe0ef7961fa8575aa209b114a05853ad4b4c5c0d