Dec 19 09:31:12.246 INFO checking sagalasan/advent-of-code-2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:31:12.246 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sagalasan/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=forbid" "-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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:31:12.440 INFO [stdout] 91884641c6e5dd8e7bc9d869c6e934a3c408fc599478ccab00405d663ad07555
Dec 19 09:31:12.446 INFO running `"docker" "start" "-a" "91884641c6e5dd8e7bc9d869c6e934a3c408fc599478ccab00405d663ad07555"`
Dec 19 09:31:13.056 INFO [stderr]     Checking failure v0.1.3
Dec 19 09:31:13.428 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 19 09:31:13.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:31:13.976 INFO [stderr]    --> src/day03.rs:200:17
Dec 19 09:31:13.976 INFO [stderr]     |
Dec 19 09:31:13.976 INFO [stderr] 200 |                 write!(f, "{}", item);
Dec 19 09:31:13.976 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:13.976 INFO [stderr]     |
Dec 19 09:31:13.976 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 09:31:13.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:31:13.976 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 09:31:13.976 INFO [stderr] 
Dec 19 09:31:13.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:31:13.976 INFO [stderr]    --> src/day03.rs:203:13
Dec 19 09:31:13.976 INFO [stderr]     |
Dec 19 09:31:13.976 INFO [stderr] 203 |             write!(f, "\n");
Dec 19 09:31:13.976 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 09:31:13.976 INFO [stderr]     |
Dec 19 09:31:13.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:31:13.976 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 09:31:13.976 INFO [stderr] 
Dec 19 09:31:14.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:31:14.124 INFO [stderr]    --> src/day03.rs:200:17
Dec 19 09:31:14.124 INFO [stderr]     |
Dec 19 09:31:14.124 INFO [stderr] 200 |                 write!(f, "{}", item);
Dec 19 09:31:14.124 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:31:14.124 INFO [stderr]     |
Dec 19 09:31:14.124 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 09:31:14.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:31:14.124 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 09:31:14.124 INFO [stderr] 
Dec 19 09:31:14.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 09:31:14.124 INFO [stderr]    --> src/day03.rs:203:13
Dec 19 09:31:14.124 INFO [stderr]     |
Dec 19 09:31:14.124 INFO [stderr] 203 |             write!(f, "\n");
Dec 19 09:31:14.124 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 09:31:14.124 INFO [stderr]     |
Dec 19 09:31:14.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 09:31:14.124 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 09:31:14.124 INFO [stderr] 
Dec 19 09:31:14.141 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 19 09:31:14.409 INFO running `"docker" "inspect" "91884641c6e5dd8e7bc9d869c6e934a3c408fc599478ccab00405d663ad07555"`
Dec 19 09:31:14.525 INFO running `"docker" "rm" "-f" "91884641c6e5dd8e7bc9d869c6e934a3c408fc599478ccab00405d663ad07555"`
Dec 19 09:31:14.608 INFO [stdout] 91884641c6e5dd8e7bc9d869c6e934a3c408fc599478ccab00405d663ad07555