[INFO] updating cached repository kcotugno/aoc-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kcotugno/aoc-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kcotugno/aoc-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kcotugno/aoc-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcotugno/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcotugno/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a165f74a5de14b04d956d36d402e903bae89f9b7
[INFO] sha for GitHub repo kcotugno/aoc-2018: a165f74a5de14b04d956d36d402e903bae89f9b7
[INFO] validating manifest of kcotugno/aoc-2018 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 kcotugno/aoc-2018 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 kcotugno/aoc-2018
[INFO] finished frobbing kcotugno/aoc-2018
[INFO] frobbed toml for kcotugno/aoc-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018/Cargo.toml
[INFO] started frobbing kcotugno/aoc-2018
[INFO] finished frobbing kcotugno/aoc-2018
[INFO] frobbed toml for kcotugno/aoc-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kcotugno/aoc-2018/Cargo.toml
[INFO] crate kcotugno/aoc-2018 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 kcotugno/aoc-2018 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018:/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] f9622adca70b09cd3af7c7edb1eb85750c5521058ee361a452e6ab9ac9123659
[INFO] running `"docker" "start" "-a" "f9622adca70b09cd3af7c7edb1eb85750c5521058ee361a452e6ab9ac9123659"`
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/aoc/c03.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut s = &p[1..];
[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 3.43s
[INFO] running `"docker" "inspect" "f9622adca70b09cd3af7c7edb1eb85750c5521058ee361a452e6ab9ac9123659"`
[INFO] running `"docker" "rm" "-f" "f9622adca70b09cd3af7c7edb1eb85750c5521058ee361a452e6ab9ac9123659"`
[INFO] [stdout] f9622adca70b09cd3af7c7edb1eb85750c5521058ee361a452e6ab9ac9123659
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018:/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] 44a38e5d115f290f9bd16581b9ebb5b6fa485de4431dfe438faab3e63195a5cf
[INFO] running `"docker" "start" "-a" "44a38e5d115f290f9bd16581b9ebb5b6fa485de4431dfe438faab3e63195a5cf"`
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/aoc/c03.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut s = &p[1..];
[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 2.88s
[INFO] running `"docker" "inspect" "44a38e5d115f290f9bd16581b9ebb5b6fa485de4431dfe438faab3e63195a5cf"`
[INFO] running `"docker" "rm" "-f" "44a38e5d115f290f9bd16581b9ebb5b6fa485de4431dfe438faab3e63195a5cf"`
[INFO] [stdout] 44a38e5d115f290f9bd16581b9ebb5b6fa485de4431dfe438faab3e63195a5cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kcotugno/aoc-2018:/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] a93d79ddd11785d7088833ac27e793df48c3635c9351d8e0abbf32e32e501063
[INFO] running `"docker" "start" "-a" "a93d79ddd11785d7088833ac27e793df48c3635c9351d8e0abbf32e32e501063"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc-ab81cdfa8282cf56
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test c01::tests::c_01_1_examples ... ok
[INFO] [stdout] test c01::tests::c_01_2_examples ... ok
[INFO] [stdout] test c05::tests::c_05_2_examples ... ok
[INFO] [stdout] test c05::tests::c_05_1_examples ... ok
[INFO] [stdout] test c04::tests::c_04_2_examples ... ok
[INFO] [stdout] test c04::tests::c_04_1_examples ... ok
[INFO] [stdout] test c02::tests::c_02_1_examples ... ok
[INFO] [stdout] test c03::tests::c_03_2_examples ... ok
[INFO] [stdout] test c02::tests::c_02_2_examples ... ok
[INFO] [stdout] test c03::tests::c_03_1_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc_2018-5049dd247040aad6
[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 aoc
[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" "a93d79ddd11785d7088833ac27e793df48c3635c9351d8e0abbf32e32e501063"`
[INFO] running `"docker" "rm" "-f" "a93d79ddd11785d7088833ac27e793df48c3635c9351d8e0abbf32e32e501063"`
[INFO] [stdout] a93d79ddd11785d7088833ac27e793df48c3635c9351d8e0abbf32e32e501063