Dec 19 10:04:04.098 INFO checking robinsonj/project_euler against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:04:04.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/robinsonj/project_euler:/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 10:04:04.492 INFO [stdout] c50e27a7f7c7506be6e592f26484fd4a8464694ae6e4e78e1ae206427530e4e1
Dec 19 10:04:04.500 INFO running `"docker" "start" "-a" "c50e27a7f7c7506be6e592f26484fd4a8464694ae6e4e78e1ae206427530e4e1"`
Dec 19 10:04:06.128 INFO [stderr]     Checking euler_lib v0.1.0 (/opt/crater/workdir)
Dec 19 10:04:06.604 INFO [stderr] warning: unused variable: `file_name`
Dec 19 10:04:06.604 INFO [stderr]   --> src/solver/mod.rs:39:40
Dec 19 10:04:06.604 INFO [stderr]    |
Dec 19 10:04:06.604 INFO [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
Dec 19 10:04:06.604 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_file_name` instead
Dec 19 10:04:06.604 INFO [stderr]    |
Dec 19 10:04:06.604 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:04:06.604 INFO [stderr] 
Dec 19 10:04:06.640 INFO [stderr] warning: variant is never constructed: `FunctionWithFile`
Dec 19 10:04:06.640 INFO [stderr]  --> src/solver/mod.rs:3:3
Dec 19 10:04:06.640 INFO [stderr]   |
Dec 19 10:04:06.640 INFO [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
Dec 19 10:04:06.640 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:04:06.640 INFO [stderr]   |
Dec 19 10:04:06.640 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:04:06.640 INFO [stderr] 
Dec 19 10:04:07.724 INFO [stderr] warning: unused variable: `file_name`
Dec 19 10:04:07.724 INFO [stderr]   --> src/solver/mod.rs:39:40
Dec 19 10:04:07.724 INFO [stderr]    |
Dec 19 10:04:07.724 INFO [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
Dec 19 10:04:07.724 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_file_name` instead
Dec 19 10:04:07.724 INFO [stderr]    |
Dec 19 10:04:07.724 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:04:07.724 INFO [stderr] 
Dec 19 10:04:08.392 INFO [stderr] warning: variant is never constructed: `FunctionWithFile`
Dec 19 10:04:08.392 INFO [stderr]  --> src/solver/mod.rs:3:3
Dec 19 10:04:08.392 INFO [stderr]   |
Dec 19 10:04:08.392 INFO [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
Dec 19 10:04:08.392 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:04:08.420 INFO [stderr]   |
Dec 19 10:04:08.420 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:04:08.420 INFO [stderr] 
Dec 19 10:04:09.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
Dec 19 10:04:10.034 INFO running `"docker" "inspect" "c50e27a7f7c7506be6e592f26484fd4a8464694ae6e4e78e1ae206427530e4e1"`
Dec 19 10:04:10.333 INFO running `"docker" "rm" "-f" "c50e27a7f7c7506be6e592f26484fd4a8464694ae6e4e78e1ae206427530e4e1"`
Dec 19 10:04:10.653 INFO [stdout] c50e27a7f7c7506be6e592f26484fd4a8464694ae6e4e78e1ae206427530e4e1