[INFO] updating cached repository simonasker/adventofcode2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simonasker/adventofcode2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simonasker/adventofcode2016" "work/ex/beta-1.37-6/sources/1.36.0/gh/simonasker/adventofcode2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/simonasker/adventofcode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simonasker/adventofcode2016" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonasker/adventofcode2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonasker/adventofcode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b46931a2cc2191aa536c492e088b9ad64bdfebb0
[INFO] sha for GitHub repo simonasker/adventofcode2016: b46931a2cc2191aa536c492e088b9ad64bdfebb0
[INFO] validating manifest of simonasker/adventofcode2016 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 simonasker/adventofcode2016 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 simonasker/adventofcode2016
[INFO] finished frobbing simonasker/adventofcode2016
[INFO] frobbed toml for simonasker/adventofcode2016 written to work/ex/beta-1.37-6/sources/1.36.0/gh/simonasker/adventofcode2016/Cargo.toml
[INFO] started frobbing simonasker/adventofcode2016
[INFO] finished frobbing simonasker/adventofcode2016
[INFO] frobbed toml for simonasker/adventofcode2016 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonasker/adventofcode2016/Cargo.toml
[INFO] crate simonasker/adventofcode2016 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 simonasker/adventofcode2016 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-6/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/simonasker/adventofcode2016:/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] 1187df74954903aa4f442b2a91fe410bc20768d9fdb7fadbba5365575c6f9efb
[INFO] running `"docker" "start" "-a" "1187df74954903aa4f442b2a91fe410bc20768d9fdb7fadbba5365575c6f9efb"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.19.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling adventofcode2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/solutions/day19.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |             res = i32::pow(2, (i-1));
[INFO] [stderr]    |                               ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut b = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `c` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut c = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut d = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `c` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     c = 1; // 19: cpy 1 c TOGGLED
[INFO] [stderr]     |     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.33s
[INFO] running `"docker" "inspect" "1187df74954903aa4f442b2a91fe410bc20768d9fdb7fadbba5365575c6f9efb"`
[INFO] running `"docker" "rm" "-f" "1187df74954903aa4f442b2a91fe410bc20768d9fdb7fadbba5365575c6f9efb"`
[INFO] [stdout] 1187df74954903aa4f442b2a91fe410bc20768d9fdb7fadbba5365575c6f9efb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/simonasker/adventofcode2016:/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] bd361d58b2c22ddc7ce0c09632dcb9b53c4dc45d26cb937a10ef414b905a8787
[INFO] running `"docker" "start" "-a" "bd361d58b2c22ddc7ce0c09632dcb9b53c4dc45d26cb937a10ef414b905a8787"`
[INFO] [stderr]    Compiling adventofcode2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/solutions/day19.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 |             res = i32::pow(2, (i-1));
[INFO] [stderr]    |                               ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let mut b = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `c` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut c = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut d = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `c` is never read
[INFO] [stderr]    --> src/solutions/day23.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     c = 1; // 19: cpy 1 c TOGGLED
[INFO] [stderr]     |     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "bd361d58b2c22ddc7ce0c09632dcb9b53c4dc45d26cb937a10ef414b905a8787"`
[INFO] running `"docker" "rm" "-f" "bd361d58b2c22ddc7ce0c09632dcb9b53c4dc45d26cb937a10ef414b905a8787"`
[INFO] [stdout] bd361d58b2c22ddc7ce0c09632dcb9b53c4dc45d26cb937a10ef414b905a8787
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/simonasker/adventofcode2016:/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] 81c0242f2d6a3d905f4e625c259e9053e49549d0a7e0c796e5c73e6be0da6966
[INFO] running `"docker" "start" "-a" "81c0242f2d6a3d905f4e625c259e9053e49549d0a7e0c796e5c73e6be0da6966"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adventofcode2016-89a86194f7531ba6
[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" "81c0242f2d6a3d905f4e625c259e9053e49549d0a7e0c796e5c73e6be0da6966"`
[INFO] running `"docker" "rm" "-f" "81c0242f2d6a3d905f4e625c259e9053e49549d0a7e0c796e5c73e6be0da6966"`
[INFO] [stdout] 81c0242f2d6a3d905f4e625c259e9053e49549d0a7e0c796e5c73e6be0da6966