[INFO] updating cached repository franc90/rust_advent_of_code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/franc90/rust_advent_of_code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/franc90/rust_advent_of_code" "work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/franc90/rust_advent_of_code" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franc90/rust_advent_of_code"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franc90/rust_advent_of_code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f415f6f625e4f00028e40b3ef716836f8a889b8a
[INFO] sha for GitHub repo franc90/rust_advent_of_code: f415f6f625e4f00028e40b3ef716836f8a889b8a
[INFO] validating manifest of franc90/rust_advent_of_code 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 franc90/rust_advent_of_code 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 franc90/rust_advent_of_code
[INFO] finished frobbing franc90/rust_advent_of_code
[INFO] frobbed toml for franc90/rust_advent_of_code written to work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code/Cargo.toml
[INFO] started frobbing franc90/rust_advent_of_code
[INFO] finished frobbing franc90/rust_advent_of_code
[INFO] frobbed toml for franc90/rust_advent_of_code written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/franc90/rust_advent_of_code/Cargo.toml
[INFO] crate franc90/rust_advent_of_code 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing franc90/rust_advent_of_code 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code:/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] d9bfd689fe575262be9bea9e6cd4f47cc1b148281a9476122f4a769aa911baaa
[INFO] running `"docker" "start" "-a" "d9bfd689fe575262be9bea9e6cd4f47cc1b148281a9476122f4a769aa911baaa"`
[INFO] [stderr]    Compiling rust_advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `ex4`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn ex4() {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lineResult` should have a snake case name
[INFO] [stderr]  --> src/exercise5.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     for lineResult in f.lines() {
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `line_result`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "d9bfd689fe575262be9bea9e6cd4f47cc1b148281a9476122f4a769aa911baaa"`
[INFO] running `"docker" "rm" "-f" "d9bfd689fe575262be9bea9e6cd4f47cc1b148281a9476122f4a769aa911baaa"`
[INFO] [stdout] d9bfd689fe575262be9bea9e6cd4f47cc1b148281a9476122f4a769aa911baaa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code:/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] df34195fc5347f2d539e1d81a3937417eba076d02d47b6b6e9adaa00256651ff
[INFO] running `"docker" "start" "-a" "df34195fc5347f2d539e1d81a3937417eba076d02d47b6b6e9adaa00256651ff"`
[INFO] [stderr]    Compiling rust_advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `ex4`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn ex4() {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `lineResult` should have a snake case name
[INFO] [stderr]  --> src/exercise5.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     for lineResult in f.lines() {
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `line_result`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "df34195fc5347f2d539e1d81a3937417eba076d02d47b6b6e9adaa00256651ff"`
[INFO] running `"docker" "rm" "-f" "df34195fc5347f2d539e1d81a3937417eba076d02d47b6b6e9adaa00256651ff"`
[INFO] [stdout] df34195fc5347f2d539e1d81a3937417eba076d02d47b6b6e9adaa00256651ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/franc90/rust_advent_of_code:/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] 1920aa4cbf808524c8651e5c532df35c65cbb87018c0f4d42e16bd2b33f4638a
[INFO] running `"docker" "start" "-a" "1920aa4cbf808524c8651e5c532df35c65cbb87018c0f4d42e16bd2b33f4638a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_advent_of_code-37450d316ffa4416
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test exercise5::tests::is_aaa_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_aaa_nice ... ok
[INFO] [stdout] test exercise5::tests::is_dvszwmarrgswjxmb_nice ... ok
[INFO] [stdout] test exercise5::tests::is_haegwjzuvuyypxyu_nice ... ok
[INFO] [stdout] test exercise5::tests::is_aabcdefgaa_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_jchzalrnumimnmhp_nice ... ok
[INFO] [stdout] test exercise5::tests::is_xyxy_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_xxyxx_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_uurcxstgmygtbstg_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_ugknbfddgicrmopn_nice ... ok
[INFO] [stdout] test exercise5::tests::is_qjhvhtzxzqqjkmpb_complex_nice ... ok
[INFO] [stdout] test exercise5::tests::is_ieodomkazucvgmuy_complex_nice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1920aa4cbf808524c8651e5c532df35c65cbb87018c0f4d42e16bd2b33f4638a"`
[INFO] running `"docker" "rm" "-f" "1920aa4cbf808524c8651e5c532df35c65cbb87018c0f4d42e16bd2b33f4638a"`
[INFO] [stdout] 1920aa4cbf808524c8651e5c532df35c65cbb87018c0f4d42e16bd2b33f4638a