[INFO] updating cached repository ajferrick/advent_of_code_2015
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajferrick/advent_of_code_2015
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajferrick/advent_of_code_2015" "work/ex/beta-1.38-1/sources/1.37.0/gh/ajferrick/advent_of_code_2015"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ajferrick/advent_of_code_2015'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajferrick/advent_of_code_2015" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c9a8c23485b92e9d60a52857ea2073d2c8db055
[INFO] sha for GitHub repo ajferrick/advent_of_code_2015: 5c9a8c23485b92e9d60a52857ea2073d2c8db055
[INFO] validating manifest of ajferrick/advent_of_code_2015 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 ajferrick/advent_of_code_2015 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 ajferrick/advent_of_code_2015
[INFO] finished frobbing ajferrick/advent_of_code_2015
[INFO] frobbed toml for ajferrick/advent_of_code_2015 written to work/ex/beta-1.38-1/sources/1.37.0/gh/ajferrick/advent_of_code_2015/Cargo.toml
[INFO] started frobbing ajferrick/advent_of_code_2015
[INFO] finished frobbing ajferrick/advent_of_code_2015
[INFO] frobbed toml for ajferrick/advent_of_code_2015 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015/Cargo.toml
[INFO] crate ajferrick/advent_of_code_2015 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 ajferrick/advent_of_code_2015 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6b88a45d93574cac9eb5a4fd04d92c04ccedde7ccb04e56be7c4638ba91bdf19
[INFO] running `"docker" "start" "-a" "6b88a45d93574cac9eb5a4fd04d92c04ccedde7ccb04e56be7c4638ba91bdf19"`
[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/day_3.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut target_santa = match santa_toggle {
[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 1.39s
[INFO] running `"docker" "inspect" "6b88a45d93574cac9eb5a4fd04d92c04ccedde7ccb04e56be7c4638ba91bdf19"`
[INFO] running `"docker" "rm" "-f" "6b88a45d93574cac9eb5a4fd04d92c04ccedde7ccb04e56be7c4638ba91bdf19"`
[INFO] [stdout] 6b88a45d93574cac9eb5a4fd04d92c04ccedde7ccb04e56be7c4638ba91bdf19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35e7508541a4c6097f64e47c3a0c218e390e125d1d774f2a38188f648b9036be
[INFO] running `"docker" "start" "-a" "35e7508541a4c6097f64e47c3a0c218e390e125d1d774f2a38188f648b9036be"`
[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/day_3.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut target_santa = match santa_toggle {
[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 0.55s
[INFO] running `"docker" "inspect" "35e7508541a4c6097f64e47c3a0c218e390e125d1d774f2a38188f648b9036be"`
[INFO] running `"docker" "rm" "-f" "35e7508541a4c6097f64e47c3a0c218e390e125d1d774f2a38188f648b9036be"`
[INFO] [stdout] 35e7508541a4c6097f64e47c3a0c218e390e125d1d774f2a38188f648b9036be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajferrick/advent_of_code_2015:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5c204c1960432330c37349a20fa282b09a1441003bee1b5f273de9c2b770d5c0
[INFO] running `"docker" "start" "-a" "5c204c1960432330c37349a20fa282b09a1441003bee1b5f273de9c2b770d5c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code-c2f78b9ddbb949ad
[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" "5c204c1960432330c37349a20fa282b09a1441003bee1b5f273de9c2b770d5c0"`
[INFO] running `"docker" "rm" "-f" "5c204c1960432330c37349a20fa282b09a1441003bee1b5f273de9c2b770d5c0"`
[INFO] [stdout] 5c204c1960432330c37349a20fa282b09a1441003bee1b5f273de9c2b770d5c0