[INFO] updating cached repository ramn/advent-of-code-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ramn/advent-of-code-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ramn/advent-of-code-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/ramn/advent-of-code-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ramn/advent-of-code-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ramn/advent-of-code-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c725e79652cf1346c107378a586032a0427de7d
[INFO] sha for GitHub repo ramn/advent-of-code-rs: 1c725e79652cf1346c107378a586032a0427de7d
[INFO] validating manifest of ramn/advent-of-code-rs 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 ramn/advent-of-code-rs 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 ramn/advent-of-code-rs
[INFO] finished frobbing ramn/advent-of-code-rs
[INFO] frobbed toml for ramn/advent-of-code-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/ramn/advent-of-code-rs/Cargo.toml
[INFO] started frobbing ramn/advent-of-code-rs
[INFO] finished frobbing ramn/advent-of-code-rs
[INFO] frobbed toml for ramn/advent-of-code-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs/Cargo.toml
[INFO] crate ramn/advent-of-code-rs 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] testing ramn/advent-of-code-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f277f24553d9ce80d58346ce6eeca69406cef0abd23d87aeec8e323dbecf2b46
[INFO] running `"docker" "start" "-a" "f277f24553d9ce80d58346ce6eeca69406cef0abd23d87aeec8e323dbecf2b46"`
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling advent-of-code-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/day_09.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut chars = &mut INPUT.chars();
[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 2.80s
[INFO] running `"docker" "inspect" "f277f24553d9ce80d58346ce6eeca69406cef0abd23d87aeec8e323dbecf2b46"`
[INFO] running `"docker" "rm" "-f" "f277f24553d9ce80d58346ce6eeca69406cef0abd23d87aeec8e323dbecf2b46"`
[INFO] [stdout] f277f24553d9ce80d58346ce6eeca69406cef0abd23d87aeec8e323dbecf2b46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47ceb3edcd26ecff7120fb9578a3a2f54379f270912df5b59fa262318062deeb
[INFO] running `"docker" "start" "-a" "47ceb3edcd26ecff7120fb9578a3a2f54379f270912df5b59fa262318062deeb"`
[INFO] [stderr]    Compiling advent-of-code-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/day_09.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut chars = &mut INPUT.chars();
[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 2.58s
[INFO] running `"docker" "inspect" "47ceb3edcd26ecff7120fb9578a3a2f54379f270912df5b59fa262318062deeb"`
[INFO] running `"docker" "rm" "-f" "47ceb3edcd26ecff7120fb9578a3a2f54379f270912df5b59fa262318062deeb"`
[INFO] [stdout] 47ceb3edcd26ecff7120fb9578a3a2f54379f270912df5b59fa262318062deeb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ramn/advent-of-code-rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8d2a3ef3554666d793c4408379d658da62a4c1a7565ca3d0343f2b14c5c63659
[INFO] running `"docker" "start" "-a" "8d2a3ef3554666d793c4408379d658da62a4c1a7565ca3d0343f2b14c5c63659"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code_rs-fc7f501411f2265a
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test day_01::tests::tes_day_1_problem_1 ... ok
[INFO] [stdout] test day_02::tests::test_problem_1 ... ok
[INFO] [stdout] test day_02::tests::test_problem_2 ... ok
[INFO] [stdout] test day_01::tests::tes_day_1_problem_2 ... ok
[INFO] [stdout] test day_05::tests::test_hex ... ok
[INFO] [stdout] test day_03::tests::test_problem_1 ... ok
[INFO] [stdout] test day_07::tests::test_splitting_with_slice_pattern ... ok
[INFO] [stdout] test day_03::tests::test_problem_2 ... ok
[INFO] [stdout] test day_06::tests::test_problem_1 ... ok
[INFO] [stdout] test day_06::tests::test_problem_2 ... ok
[INFO] [stdout] test day_08::tests::test_problem_1 ... ok
[INFO] [stdout] test day_09::tests::test_problem_2 ... ok
[INFO] [stdout] test day_08::tests::test_problem_2 ... ok
[INFO] [stdout] test day_09::tests::test_problem_1 ... ok
[INFO] [stdout] test day_12::tests::test_problem_1 ... ok
[INFO] [stdout] test day_04::tests::test_problem_1 ... ok
[INFO] [stdout] test day_07::tests::test_problem_1 ... ok
[INFO] [stdout] test day_04::tests::test_problem_2 ... ok
[INFO] [stdout] test day_07::tests::test_problem_2 ... ok
[INFO] [stdout] test day_12::tests::test_problem_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code_rs-c6011a35615d2517
[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] [stderr]    Doc-tests advent-of-code-rs
[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" "8d2a3ef3554666d793c4408379d658da62a4c1a7565ca3d0343f2b14c5c63659"`
[INFO] running `"docker" "rm" "-f" "8d2a3ef3554666d793c4408379d658da62a4c1a7565ca3d0343f2b14c5c63659"`
[INFO] [stdout] 8d2a3ef3554666d793c4408379d658da62a4c1a7565ca3d0343f2b14c5c63659