Dec 19 22:21:25.665 INFO checking PierreZ/yummy against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:21:25.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/PierreZ/yummy:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:21:26.195 INFO [stdout] 3bdd76fdb9506e36a6aafb875c67e446e7253f403ea6c1ecef94fe7f2d3019f1
Dec 19 22:21:26.197 INFO running `"docker" "start" "-a" "3bdd76fdb9506e36a6aafb875c67e446e7253f403ea6c1ecef94fe7f2d3019f1"`
Dec 19 22:21:28.332 INFO [stderr]     Checking num-integer v0.1.38
Dec 19 22:21:28.336 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 22:21:28.336 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 19 22:21:29.592 INFO [stderr]     Checking chrono v0.4.2
Dec 19 22:21:32.040 INFO [stderr]     Checking config v0.8.0
Dec 19 22:21:33.889 INFO [stderr]     Checking structopt v0.2.10
Dec 19 22:21:35.262 INFO [stderr]     Checking simplelog v0.5.2
Dec 19 22:21:35.788 INFO [stderr]     Checking yummy v0.1.0 (/opt/crater/workdir)
Dec 19 22:21:38.544 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:21:38.544 INFO [stderr]  --> src/bin/yummy.rs:1:1
Dec 19 22:21:38.544 INFO [stderr]   |
Dec 19 22:21:38.544 INFO [stderr] 1 | #[macro_use]
Dec 19 22:21:38.544 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:21:38.544 INFO [stderr]   |
Dec 19 22:21:38.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:21:38.545 INFO [stderr] 
Dec 19 22:21:38.646 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:21:38.647 INFO [stderr]  --> src/bin/yummy.rs:1:1
Dec 19 22:21:38.647 INFO [stderr]   |
Dec 19 22:21:38.647 INFO [stderr] 1 | #[macro_use]
Dec 19 22:21:38.647 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:21:38.648 INFO [stderr]   |
Dec 19 22:21:38.652 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:21:38.652 INFO [stderr] 
Dec 19 22:21:39.555 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:21:39.555 INFO [stderr]  --> src/bin/yummy-directory.rs:1:1
Dec 19 22:21:39.555 INFO [stderr]   |
Dec 19 22:21:39.556 INFO [stderr] 1 | #[macro_use]
Dec 19 22:21:39.556 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:21:39.556 INFO [stderr]   |
Dec 19 22:21:39.556 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:21:39.557 INFO [stderr] 
Dec 19 22:21:39.569 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:21:39.570 INFO [stderr]  --> src/bin/yummy-directory.rs:1:1
Dec 19 22:21:39.570 INFO [stderr]   |
Dec 19 22:21:39.570 INFO [stderr] 1 | #[macro_use]
Dec 19 22:21:39.570 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:21:39.570 INFO [stderr]   |
Dec 19 22:21:39.571 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:21:39.571 INFO [stderr] 
Dec 19 22:21:39.777 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
Dec 19 22:21:40.770 INFO running `"docker" "inspect" "3bdd76fdb9506e36a6aafb875c67e446e7253f403ea6c1ecef94fe7f2d3019f1"`
Dec 19 22:21:41.120 INFO running `"docker" "rm" "-f" "3bdd76fdb9506e36a6aafb875c67e446e7253f403ea6c1ecef94fe7f2d3019f1"`
Dec 19 22:21:41.344 INFO [stdout] 3bdd76fdb9506e36a6aafb875c67e446e7253f403ea6c1ecef94fe7f2d3019f1