Nov 30 11:05:20.642 INFO checking Flecheck/Sudoku against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:05:20.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 11:05:20.972 INFO [stdout] ba53ecc2f5de63af7c8e122551f66b8ea96b30c204044459e9206fb241b649f3
Nov 30 11:05:20.974 INFO running `"docker" "start" "-a" "ba53ecc2f5de63af7c8e122551f66b8ea96b30c204044459e9206fb241b649f3"`
Nov 30 11:05:22.424 INFO [stderr] usermod: no changes
Nov 30 11:05:22.504 INFO [stderr]     Checking indexmap v0.4.1
Nov 30 11:05:23.852 INFO [stderr]     Checking priority-queue v0.5.1
Nov 30 11:05:24.634 INFO [stderr]     Checking sudoku v0.1.0 (/source)
Nov 30 11:05:25.592 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 11:05:25.592 INFO [stderr]   --> src/main.rs:16:5
Nov 30 11:05:25.592 INFO [stderr]    |
Nov 30 11:05:25.592 INFO [stderr] 16 | use std::time::Duration;
Nov 30 11:05:25.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 11:05:25.592 INFO [stderr]    |
Nov 30 11:05:25.592 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:05:25.592 INFO [stderr] 
Nov 30 11:05:25.592 INFO [stderr] warning: unused import: `std::time::Instant`
Nov 30 11:05:25.592 INFO [stderr]   --> src/main.rs:17:5
Nov 30 11:05:25.592 INFO [stderr]    |
Nov 30 11:05:25.592 INFO [stderr] 17 | use std::time::Instant;
Nov 30 11:05:25.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:05:25.592 INFO [stderr] 
Nov 30 11:05:25.884 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 11:05:25.884 INFO [stderr]   --> src/main.rs:16:5
Nov 30 11:05:25.884 INFO [stderr]    |
Nov 30 11:05:25.884 INFO [stderr] 16 | use std::time::Duration;
Nov 30 11:05:25.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 11:05:25.884 INFO [stderr]    |
Nov 30 11:05:25.884 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:05:25.884 INFO [stderr] 
Nov 30 11:05:25.884 INFO [stderr] warning: unused import: `std::time::Instant`
Nov 30 11:05:25.884 INFO [stderr]   --> src/main.rs:17:5
Nov 30 11:05:25.884 INFO [stderr]    |
Nov 30 11:05:25.884 INFO [stderr] 17 | use std::time::Instant;
Nov 30 11:05:25.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 11:05:25.884 INFO [stderr] 
Nov 30 11:05:26.093 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:05:26.093 INFO [stderr]   --> src/main.rs:43:9
Nov 30 11:05:26.093 INFO [stderr]    |
Nov 30 11:05:26.093 INFO [stderr] 43 |         writeln!(stdout, "{}", res);
Nov 30 11:05:26.093 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:05:26.093 INFO [stderr]    |
Nov 30 11:05:26.093 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:05:26.093 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:05:26.093 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)
Nov 30 11:05:26.093 INFO [stderr] 
Nov 30 11:05:26.304 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 11:05:26.304 INFO [stderr]   --> src/main.rs:43:9
Nov 30 11:05:26.304 INFO [stderr]    |
Nov 30 11:05:26.304 INFO [stderr] 43 |         writeln!(stdout, "{}", res);
Nov 30 11:05:26.304 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:05:26.304 INFO [stderr]    |
Nov 30 11:05:26.304 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 11:05:26.304 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 11:05:26.304 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)
Nov 30 11:05:26.304 INFO [stderr] 
Nov 30 11:05:26.327 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Nov 30 11:05:26.330 INFO [stderr] su: No module specific data is present
Nov 30 11:05:27.276 INFO running `"docker" "inspect" "ba53ecc2f5de63af7c8e122551f66b8ea96b30c204044459e9206fb241b649f3"`
Nov 30 11:05:27.590 INFO running `"docker" "rm" "-f" "ba53ecc2f5de63af7c8e122551f66b8ea96b30c204044459e9206fb241b649f3"`
Nov 30 11:05:27.976 INFO [stdout] ba53ecc2f5de63af7c8e122551f66b8ea96b30c204044459e9206fb241b649f3