Dec 12 03:18:09.789 INFO checking DanWatkins/dbfc against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:18:09.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:18:10.188 INFO [stdout] 320a77d7f54d11057a86d6eb8e061ad9f454f7e5ad33af0ef8ec9ae73f55398d
Dec 12 03:18:10.194 INFO running `"docker" "start" "-a" "320a77d7f54d11057a86d6eb8e061ad9f454f7e5ad33af0ef8ec9ae73f55398d"`
Dec 12 03:18:11.575 INFO [stderr] usermod: no changes
Dec 12 03:18:11.704 INFO [stderr]     Checking nodrop v0.1.9
Dec 12 03:18:11.832 INFO [stderr]     Checking generic-array v0.8.3
Dec 12 03:18:12.350 INFO [stderr]     Checking digest v0.6.2
Dec 12 03:18:12.350 INFO [stderr]     Checking block-buffer v0.2.0
Dec 12 03:18:13.124 INFO [stderr]     Checking sha2 v0.6.0
Dec 12 03:18:13.940 INFO [stderr]     Checking dbfc v0.1.0 (/source)
Dec 12 03:18:16.755 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:18:16.755 INFO [stderr]    --> src/batch_job.rs:190:21
Dec 12 03:18:16.755 INFO [stderr]     |
Dec 12 03:18:16.755 INFO [stderr] 190 |                     self.write_log_text(&why);
Dec 12 03:18:16.755 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:18:16.755 INFO [stderr]     |
Dec 12 03:18:16.755 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 03:18:16.755 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:18:16.755 INFO [stderr] 
Dec 12 03:18:16.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 03:18:16.956 INFO [stderr]    --> src/batch_job.rs:190:21
Dec 12 03:18:16.956 INFO [stderr]     |
Dec 12 03:18:16.956 INFO [stderr] 190 |                     self.write_log_text(&why);
Dec 12 03:18:16.956 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:18:16.956 INFO [stderr]     |
Dec 12 03:18:16.956 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 03:18:16.956 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 03:18:16.956 INFO [stderr] 
Dec 12 03:18:16.986 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
Dec 12 03:18:16.991 INFO [stderr] su: No module specific data is present
Dec 12 03:18:17.981 INFO running `"docker" "inspect" "320a77d7f54d11057a86d6eb8e061ad9f454f7e5ad33af0ef8ec9ae73f55398d"`
Dec 12 03:18:18.286 INFO running `"docker" "rm" "-f" "320a77d7f54d11057a86d6eb8e061ad9f454f7e5ad33af0ef8ec9ae73f55398d"`
Dec 12 03:18:18.619 INFO [stdout] 320a77d7f54d11057a86d6eb8e061ad9f454f7e5ad33af0ef8ec9ae73f55398d