[INFO] updating cached repository OssFate/AdventOfCode18
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OssFate/AdventOfCode18
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OssFate/AdventOfCode18" "work/ex/beta-1.38-1/sources/1.37.0/gh/OssFate/AdventOfCode18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/OssFate/AdventOfCode18'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OssFate/AdventOfCode18" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OssFate/AdventOfCode18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OssFate/AdventOfCode18'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27660b3ebeaafde19bfcd2496c4cef3ee86577c7
[INFO] sha for GitHub repo OssFate/AdventOfCode18: 27660b3ebeaafde19bfcd2496c4cef3ee86577c7
[INFO] validating manifest of OssFate/AdventOfCode18 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 OssFate/AdventOfCode18 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 OssFate/AdventOfCode18
[INFO] finished frobbing OssFate/AdventOfCode18
[INFO] frobbed toml for OssFate/AdventOfCode18 written to work/ex/beta-1.38-1/sources/1.37.0/gh/OssFate/AdventOfCode18/Cargo.toml
[INFO] started frobbing OssFate/AdventOfCode18
[INFO] finished frobbing OssFate/AdventOfCode18
[INFO] frobbed toml for OssFate/AdventOfCode18 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OssFate/AdventOfCode18/Cargo.toml
[INFO] crate OssFate/AdventOfCode18 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 OssFate/AdventOfCode18 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/OssFate/AdventOfCode18:/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] e55f86448cdb2242d5df562a1c0d9f6905c590673534333f5d06026de770c03f
[INFO] running `"docker" "start" "-a" "e55f86448cdb2242d5df562a1c0d9f6905c590673534333f5d06026de770c03f"`
[INFO] [stderr]    Compiling oss_advent_code_18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:58
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn read_file(path: String) -> Result<Option<String>, Box<Error + 'static>> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/day/mod.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn first_problem(file: &String) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/day/mod.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn second_problem(file: &String) {
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "e55f86448cdb2242d5df562a1c0d9f6905c590673534333f5d06026de770c03f"`
[INFO] running `"docker" "rm" "-f" "e55f86448cdb2242d5df562a1c0d9f6905c590673534333f5d06026de770c03f"`
[INFO] [stdout] e55f86448cdb2242d5df562a1c0d9f6905c590673534333f5d06026de770c03f
[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/OssFate/AdventOfCode18:/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] 1ace8117d51f11b808edaaa684be20f9b529be5a5bc039a034bf2d6398a5eed5
[INFO] running `"docker" "start" "-a" "1ace8117d51f11b808edaaa684be20f9b529be5a5bc039a034bf2d6398a5eed5"`
[INFO] [stderr]    Compiling oss_advent_code_18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:58
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn read_file(path: String) -> Result<Option<String>, Box<Error + 'static>> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/day/mod.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn first_problem(file: &String) {
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/day/mod.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn second_problem(file: &String) {
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "1ace8117d51f11b808edaaa684be20f9b529be5a5bc039a034bf2d6398a5eed5"`
[INFO] running `"docker" "rm" "-f" "1ace8117d51f11b808edaaa684be20f9b529be5a5bc039a034bf2d6398a5eed5"`
[INFO] [stdout] 1ace8117d51f11b808edaaa684be20f9b529be5a5bc039a034bf2d6398a5eed5
[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/OssFate/AdventOfCode18:/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] 9cfa599a2a8945f345f7ac602a918c8a7e81444bd37c29681992fb3d0d242933
[INFO] running `"docker" "start" "-a" "9cfa599a2a8945f345f7ac602a918c8a7e81444bd37c29681992fb3d0d242933"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/oss_advent_code_18-e50a2acd8661dca2
[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]      Running /opt/crater/target/debug/deps/oss_advent_code_18-2f5a8a1d152ae6ec
[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 oss_advent_code_18
[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" "9cfa599a2a8945f345f7ac602a918c8a7e81444bd37c29681992fb3d0d242933"`
[INFO] running `"docker" "rm" "-f" "9cfa599a2a8945f345f7ac602a918c8a7e81444bd37c29681992fb3d0d242933"`
[INFO] [stdout] 9cfa599a2a8945f345f7ac602a918c8a7e81444bd37c29681992fb3d0d242933