[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-1.37-6/sources/1.36.0/gh/dorkrawk/rule110"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dorkrawk/rule110'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dorkrawk/rule110" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dorkrawk/rule110"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dorkrawk/rule110 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 dorkrawk/rule110
[INFO] finished frobbing dorkrawk/rule110
[INFO] frobbed toml for dorkrawk/rule110 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dorkrawk/rule110 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 642629cc9369290849d879ad64e3dcabc41f7e9221f742d28021ea4d92d1ba63
[INFO] running `"docker" "start" "-a" "642629cc9369290849d879ad64e3dcabc41f7e9221f742d28021ea4d92d1ba63"`
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "642629cc9369290849d879ad64e3dcabc41f7e9221f742d28021ea4d92d1ba63"`
[INFO] running `"docker" "rm" "-f" "642629cc9369290849d879ad64e3dcabc41f7e9221f742d28021ea4d92d1ba63"`
[INFO] [stdout] 642629cc9369290849d879ad64e3dcabc41f7e9221f742d28021ea4d92d1ba63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 286b62cd2a509ef838de6a9df8b0bb37f9d29ba734eb0e7254214b152de076a0
[INFO] running `"docker" "start" "-a" "286b62cd2a509ef838de6a9df8b0bb37f9d29ba734eb0e7254214b152de076a0"`
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "286b62cd2a509ef838de6a9df8b0bb37f9d29ba734eb0e7254214b152de076a0"`
[INFO] running `"docker" "rm" "-f" "286b62cd2a509ef838de6a9df8b0bb37f9d29ba734eb0e7254214b152de076a0"`
[INFO] [stdout] 286b62cd2a509ef838de6a9df8b0bb37f9d29ba734eb0e7254214b152de076a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 081b4d071439c9db116717fca44c10526bec745ae634ae302a1be3379a5de9f5
[INFO] running `"docker" "start" "-a" "081b4d071439c9db116717fca44c10526bec745ae634ae302a1be3379a5de9f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rule110-72a4c5bc9efac495
[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" "081b4d071439c9db116717fca44c10526bec745ae634ae302a1be3379a5de9f5"`
[INFO] running `"docker" "rm" "-f" "081b4d071439c9db116717fca44c10526bec745ae634ae302a1be3379a5de9f5"`
[INFO] [stdout] 081b4d071439c9db116717fca44c10526bec745ae634ae302a1be3379a5de9f5