[INFO] updating cached repository https://github.com/lincolnq/advent-2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d1999f20c7a17901f6ea919128f3c246ea98f0b
[INFO] testing lincolnq/advent-2018 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flincolnq%2Fadvent-2018" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lincolnq/advent-2018 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lincolnq/advent-2018
[INFO] finished tweaking git repo https://github.com/lincolnq/advent-2018
[INFO] tweaked toml for git repo https://github.com/lincolnq/advent-2018 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lincolnq/advent-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a95de0e9634429076674a53a08491b45c54f5272a9fa305c4b4c00cd85bf547d
[INFO] running `"docker" "start" "-a" "a95de0e9634429076674a53a08491b45c54f5272a9fa305c4b4c00cd85bf547d"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/advent11_convolve_power_level.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn advent11(s: String) -> Result<String, &'static str> {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `best_square`
[INFO] [stderr]   --> src/advent11_convolve_power_level.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn best_square(grid: &Vec<i32>, square_size: i32) -> (i32, (i32, i32)) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_str_i32`
[INFO] [stderr]  --> src/parsing.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn from_str_i32(input: &str) -> Result<i32, ParseIntError> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `"docker" "inspect" "a95de0e9634429076674a53a08491b45c54f5272a9fa305c4b4c00cd85bf547d"`
[INFO] running `"docker" "rm" "-f" "a95de0e9634429076674a53a08491b45c54f5272a9fa305c4b4c00cd85bf547d"`
[INFO] [stdout] a95de0e9634429076674a53a08491b45c54f5272a9fa305c4b4c00cd85bf547d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6aa3556e4eeed293d7af8f9dda72077af3deb86ec70d145f418d65d5b0a220ea
[INFO] running `"docker" "start" "-a" "6aa3556e4eeed293d7af8f9dda72077af3deb86ec70d145f418d65d5b0a220ea"`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/advent11_convolve_power_level.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn advent11(s: String) -> Result<String, &'static str> {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `best_square`
[INFO] [stderr]   --> src/advent11_convolve_power_level.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn best_square(grid: &Vec<i32>, square_size: i32) -> (i32, (i32, i32)) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_str_i32`
[INFO] [stderr]  --> src/parsing.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn from_str_i32(input: &str) -> Result<i32, ParseIntError> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "6aa3556e4eeed293d7af8f9dda72077af3deb86ec70d145f418d65d5b0a220ea"`
[INFO] running `"docker" "rm" "-f" "6aa3556e4eeed293d7af8f9dda72077af3deb86ec70d145f418d65d5b0a220ea"`
[INFO] [stdout] 6aa3556e4eeed293d7af8f9dda72077af3deb86ec70d145f418d65d5b0a220ea
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 8c2d452d792262cbd429cf5272221045ba44e44e5ca155f564d258c641cc97d5
[INFO] running `"docker" "start" "-a" "8c2d452d792262cbd429cf5272221045ba44e44e5ca155f564d258c641cc97d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent-7d38ca10f40ac515
[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" "8c2d452d792262cbd429cf5272221045ba44e44e5ca155f564d258c641cc97d5"`
[INFO] running `"docker" "rm" "-f" "8c2d452d792262cbd429cf5272221045ba44e44e5ca155f564d258c641cc97d5"`
[INFO] [stdout] 8c2d452d792262cbd429cf5272221045ba44e44e5ca155f564d258c641cc97d5