Dec 11 20:09:12.303 INFO checking danielsonner/wk5-starter against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:09:12.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 11 20:09:12.652 INFO [stdout] 8508dfbb4d726704470ac245ad693f2d9eb7ff5a5f40e1f1d034e2542a0faefd
Dec 11 20:09:12.660 INFO running `"docker" "start" "-a" "8508dfbb4d726704470ac245ad693f2d9eb7ff5a5f40e1f1d034e2542a0faefd"`
Dec 11 20:09:13.884 INFO [stderr] usermod: no changes
Dec 11 20:09:13.988 INFO [stderr]     Checking wk5 v0.1.0 (/source)
Dec 11 20:09:14.676 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:09:14.676 INFO [stderr]   --> src/main.rs:13:5
Dec 11 20:09:14.676 INFO [stderr]    |
Dec 11 20:09:14.676 INFO [stderr] 13 |     std::io::stdout().flush();
Dec 11 20:09:14.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:09:14.712 INFO [stderr]    |
Dec 11 20:09:14.712 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:09:14.712 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:09:14.712 INFO [stderr] 
Dec 11 20:09:14.712 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:09:14.712 INFO [stderr]   --> src/main.rs:90:9
Dec 11 20:09:14.712 INFO [stderr]    |
Dec 11 20:09:14.712 INFO [stderr] 90 |         std::io::stdout().flush();
Dec 11 20:09:14.712 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:09:14.712 INFO [stderr]    |
Dec 11 20:09:14.712 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:09:14.712 INFO [stderr] 
Dec 11 20:09:14.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:09:14.944 INFO [stderr]   --> src/main.rs:13:5
Dec 11 20:09:14.944 INFO [stderr]    |
Dec 11 20:09:14.944 INFO [stderr] 13 |     std::io::stdout().flush();
Dec 11 20:09:14.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:09:14.944 INFO [stderr]    |
Dec 11 20:09:14.944 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 20:09:14.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:09:14.944 INFO [stderr] 
Dec 11 20:09:14.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:09:14.944 INFO [stderr]   --> src/main.rs:90:9
Dec 11 20:09:14.944 INFO [stderr]    |
Dec 11 20:09:14.944 INFO [stderr] 90 |         std::io::stdout().flush();
Dec 11 20:09:14.944 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:09:14.944 INFO [stderr]    |
Dec 11 20:09:14.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:09:14.944 INFO [stderr] 
Dec 11 20:09:14.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 11 20:09:14.978 INFO [stderr] su: No module specific data is present
Dec 11 20:09:15.527 INFO running `"docker" "inspect" "8508dfbb4d726704470ac245ad693f2d9eb7ff5a5f40e1f1d034e2542a0faefd"`
Dec 11 20:09:15.771 INFO running `"docker" "rm" "-f" "8508dfbb4d726704470ac245ad693f2d9eb7ff5a5f40e1f1d034e2542a0faefd"`
Dec 11 20:09:16.054 INFO [stdout] 8508dfbb4d726704470ac245ad693f2d9eb7ff5a5f40e1f1d034e2542a0faefd