Dec 11 10:55:08.995 INFO checking robinsonj/project_euler against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:55:08.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 10:55:09.390 INFO [stdout] ae0d414189677c150a3683ba1fdf0fd1a3f019586f6bdb442f8a0c28da48beb2
Dec 11 10:55:09.396 INFO running `"docker" "start" "-a" "ae0d414189677c150a3683ba1fdf0fd1a3f019586f6bdb442f8a0c28da48beb2"`
Dec 11 10:55:10.479 INFO [stderr] usermod: no changes
Dec 11 10:55:10.552 INFO [stderr]     Checking euler_lib v0.1.0 (/source)
Dec 11 10:55:10.972 INFO [stderr] warning: unused variable: `file_name`
Dec 11 10:55:10.972 INFO [stderr]   --> src/solver/mod.rs:39:40
Dec 11 10:55:10.973 INFO [stderr]    |
Dec 11 10:55:10.973 INFO [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
Dec 11 10:55:10.973 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_file_name` instead
Dec 11 10:55:10.973 INFO [stderr]    |
Dec 11 10:55:10.973 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 10:55:10.973 INFO [stderr] 
Dec 11 10:55:11.012 INFO [stderr] warning: variant is never constructed: `FunctionWithFile`
Dec 11 10:55:11.012 INFO [stderr]  --> src/solver/mod.rs:3:3
Dec 11 10:55:11.012 INFO [stderr]   |
Dec 11 10:55:11.012 INFO [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
Dec 11 10:55:11.012 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:55:11.012 INFO [stderr]   |
Dec 11 10:55:11.012 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 10:55:11.012 INFO [stderr] 
Dec 11 10:55:12.040 INFO [stderr] warning: unused variable: `file_name`
Dec 11 10:55:12.040 INFO [stderr]   --> src/solver/mod.rs:39:40
Dec 11 10:55:12.040 INFO [stderr]    |
Dec 11 10:55:12.040 INFO [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
Dec 11 10:55:12.040 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_file_name` instead
Dec 11 10:55:12.040 INFO [stderr]    |
Dec 11 10:55:12.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 10:55:12.040 INFO [stderr] 
Dec 11 10:55:12.704 INFO [stderr] warning: variant is never constructed: `FunctionWithFile`
Dec 11 10:55:12.704 INFO [stderr]  --> src/solver/mod.rs:3:3
Dec 11 10:55:12.704 INFO [stderr]   |
Dec 11 10:55:12.704 INFO [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
Dec 11 10:55:12.704 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:55:12.704 INFO [stderr]   |
Dec 11 10:55:12.704 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 10:55:12.704 INFO [stderr] 
Dec 11 10:55:14.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
Dec 11 10:55:14.584 INFO [stderr] su: No module specific data is present
Dec 11 10:55:15.298 INFO running `"docker" "inspect" "ae0d414189677c150a3683ba1fdf0fd1a3f019586f6bdb442f8a0c28da48beb2"`
Dec 11 10:55:15.513 INFO running `"docker" "rm" "-f" "ae0d414189677c150a3683ba1fdf0fd1a3f019586f6bdb442f8a0c28da48beb2"`
Dec 11 10:55:15.732 INFO [stdout] ae0d414189677c150a3683ba1fdf0fd1a3f019586f6bdb442f8a0c28da48beb2