[INFO] updating cached repository picklenerd/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/picklenerd/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/picklenerd/advent_of_code_2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/picklenerd/advent_of_code_2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/picklenerd/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/picklenerd/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d47848b73a5ffced978a66a2105dc76a1449dfd6
[INFO] sha for GitHub repo picklenerd/advent_of_code_2018: d47848b73a5ffced978a66a2105dc76a1449dfd6
[INFO] validating manifest of picklenerd/advent_of_code_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 picklenerd/advent_of_code_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 picklenerd/advent_of_code_2018
[INFO] finished frobbing picklenerd/advent_of_code_2018
[INFO] frobbed toml for picklenerd/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_2018/Cargo.toml
[INFO] started frobbing picklenerd/advent_of_code_2018
[INFO] finished frobbing picklenerd/advent_of_code_2018
[INFO] frobbed toml for picklenerd/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/picklenerd/advent_of_code_2018/Cargo.toml
[INFO] crate picklenerd/advent_of_code_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing picklenerd/advent_of_code_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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_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] 418521091fc13b4c149fbd22ce7ea3fde81f6c91eab4f931dafe3719408028bc
[INFO] running `"docker" "start" "-a" "418521091fc13b4c149fbd22ce7ea3fde81f6c91eab4f931dafe3719408028bc"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cmp12`
[INFO] [stderr]   --> src/challenges/day7.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 for (step2, cmp12) in step1_rules {
[INFO] [stderr]    |                             ^^^^^ help: consider prefixing with an underscore: `_cmp12`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/utils.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Err(e) => panic!(),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]   --> src/challenges/day3.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn draw(inputs: &[ElfClaim]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST_INPUT`
[INFO] [stderr]    --> src/challenges/day5.rs:160:1
[INFO] [stderr]     |
[INFO] [stderr] 160 | const TEST_INPUT: &str = "dabAcCaCBAcCcaDA";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_previous`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run_previous() -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     challenges::day7::day7_1();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     challenges::day7::day7_2();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `"docker" "inspect" "418521091fc13b4c149fbd22ce7ea3fde81f6c91eab4f931dafe3719408028bc"`
[INFO] running `"docker" "rm" "-f" "418521091fc13b4c149fbd22ce7ea3fde81f6c91eab4f931dafe3719408028bc"`
[INFO] [stdout] 418521091fc13b4c149fbd22ce7ea3fde81f6c91eab4f931dafe3719408028bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_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] 855fc50319fb28f578b17311f49ca4a310fe28276b3496c26d9f2499a1753d41
[INFO] running `"docker" "start" "-a" "855fc50319fb28f578b17311f49ca4a310fe28276b3496c26d9f2499a1753d41"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cmp12`
[INFO] [stderr]   --> src/challenges/day7.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 for (step2, cmp12) in step1_rules {
[INFO] [stderr]    |                             ^^^^^ help: consider prefixing with an underscore: `_cmp12`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/utils.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Err(e) => panic!(),
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]   --> src/challenges/day3.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn draw(inputs: &[ElfClaim]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST_INPUT`
[INFO] [stderr]    --> src/challenges/day5.rs:160:1
[INFO] [stderr]     |
[INFO] [stderr] 160 | const TEST_INPUT: &str = "dabAcCaCBAcCcaDA";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_previous`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run_previous() -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     challenges::day7::day7_1();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     challenges::day7::day7_2();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "855fc50319fb28f578b17311f49ca4a310fe28276b3496c26d9f2499a1753d41"`
[INFO] running `"docker" "rm" "-f" "855fc50319fb28f578b17311f49ca4a310fe28276b3496c26d9f2499a1753d41"`
[INFO] [stdout] 855fc50319fb28f578b17311f49ca4a310fe28276b3496c26d9f2499a1753d41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/picklenerd/advent_of_code_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] 1cd7092c51e9a202aa13c74a06fc2f2185f84d11c1b1d59afa472c8d45db24ab
[INFO] running `"docker" "start" "-a" "1cd7092c51e9a202aa13c74a06fc2f2185f84d11c1b1d59afa472c8d45db24ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc2018-d6d8a64cf1840ee9
[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" "1cd7092c51e9a202aa13c74a06fc2f2185f84d11c1b1d59afa472c8d45db24ab"`
[INFO] running `"docker" "rm" "-f" "1cd7092c51e9a202aa13c74a06fc2f2185f84d11c1b1d59afa472c8d45db24ab"`
[INFO] [stdout] 1cd7092c51e9a202aa13c74a06fc2f2185f84d11c1b1d59afa472c8d45db24ab