[INFO] updating cached repository zekesonxx/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zekesonxx/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zekesonxx/aoc2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zekesonxx/aoc2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8ef155744bff2915d3efc86d3aba40b288c0bb8
[INFO] sha for GitHub repo zekesonxx/aoc2018: e8ef155744bff2915d3efc86d3aba40b288c0bb8
[INFO] validating manifest of zekesonxx/aoc2018 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 zekesonxx/aoc2018 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 zekesonxx/aoc2018
[INFO] finished frobbing zekesonxx/aoc2018
[INFO] frobbed toml for zekesonxx/aoc2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018/Cargo.toml
[INFO] started frobbing zekesonxx/aoc2018
[INFO] finished frobbing zekesonxx/aoc2018
[INFO] frobbed toml for zekesonxx/aoc2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zekesonxx/aoc2018/Cargo.toml
[INFO] crate zekesonxx/aoc2018 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 zekesonxx/aoc2018 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018:/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] 3f77c9b9149d8988d95dd9ce43d40365e86c2a0a34e709b2f2fa3291be9348d2
[INFO] running `"docker" "start" "-a" "3f77c9b9149d8988d95dd9ce43d40365e86c2a0a34e709b2f2fa3291be9348d2"`
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut herm = already_found.binary_search(&acc);
[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 [optimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "3f77c9b9149d8988d95dd9ce43d40365e86c2a0a34e709b2f2fa3291be9348d2"`
[INFO] running `"docker" "rm" "-f" "3f77c9b9149d8988d95dd9ce43d40365e86c2a0a34e709b2f2fa3291be9348d2"`
[INFO] [stdout] 3f77c9b9149d8988d95dd9ce43d40365e86c2a0a34e709b2f2fa3291be9348d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018:/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] 02238b068ae441404fbe4d04616cd01c282fd0d536c98865142dc438d2fa26fd
[INFO] running `"docker" "start" "-a" "02238b068ae441404fbe4d04616cd01c282fd0d536c98865142dc438d2fa26fd"`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut herm = already_found.binary_search(&acc);
[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 [optimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "02238b068ae441404fbe4d04616cd01c282fd0d536c98865142dc438d2fa26fd"`
[INFO] running `"docker" "rm" "-f" "02238b068ae441404fbe4d04616cd01c282fd0d536c98865142dc438d2fa26fd"`
[INFO] [stdout] 02238b068ae441404fbe4d04616cd01c282fd0d536c98865142dc438d2fa26fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zekesonxx/aoc2018:/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] 2f9af5021f29bf7daeb0104c78a21f0450588e3b0101191904033c50eb9a1997
[INFO] running `"docker" "start" "-a" "2f9af5021f29bf7daeb0104c78a21f0450588e3b0101191904033c50eb9a1997"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code-8baad860f2f0a325
[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" "2f9af5021f29bf7daeb0104c78a21f0450588e3b0101191904033c50eb9a1997"`
[INFO] running `"docker" "rm" "-f" "2f9af5021f29bf7daeb0104c78a21f0450588e3b0101191904033c50eb9a1997"`
[INFO] [stdout] 2f9af5021f29bf7daeb0104c78a21f0450588e3b0101191904033c50eb9a1997