Dec 01 04:42:08.575 INFO testing robinsonj/project_euler against 1.30.1 for beta-1.31-5
Dec 01 04:42:08.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 04:42:09.113 INFO [stdout] d1b97057a15017027ea2b4a91bd7d28abf27dd87e8f5b2b6dd789a96b2335b8b
Dec 01 04:42:09.115 INFO running `"docker" "start" "-a" "d1b97057a15017027ea2b4a91bd7d28abf27dd87e8f5b2b6dd789a96b2335b8b"`
Dec 01 04:42:10.404 INFO [stderr] usermod: no changes
Dec 01 04:42:10.470 INFO [stderr]    Compiling euler_lib v0.1.0 (/source)
Dec 01 04:42:10.808 INFO [stderr] warning: unused variable: `file_name`
Dec 01 04:42:10.808 INFO [stderr]   --> src/solver/mod.rs:39:40
Dec 01 04:42:10.808 INFO [stderr]    |
Dec 01 04:42:10.808 INFO [stderr] 39 |       SolverFunction::FunctionWithFile(file_name, solve) => {
Dec 01 04:42:10.808 INFO [stderr]    |                                        ^^^^^^^^^ help: consider using `_file_name` instead
Dec 01 04:42:10.808 INFO [stderr]    |
Dec 01 04:42:10.808 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 04:42:10.808 INFO [stderr] 
Dec 01 04:42:10.838 INFO [stderr] warning: variant is never constructed: `FunctionWithFile`
Dec 01 04:42:10.838 INFO [stderr]  --> src/solver/mod.rs:3:3
Dec 01 04:42:10.838 INFO [stderr]   |
Dec 01 04:42:10.838 INFO [stderr] 3 |   FunctionWithFile(&'a str, fn() -> String)
Dec 01 04:42:10.838 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 04:42:10.838 INFO [stderr]   |
Dec 01 04:42:10.840 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 04:42:10.840 INFO [stderr] 
Dec 01 04:42:12.167 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 04:42:12.167 INFO [stderr]  --> src/bin/p012.rs:3:1
Dec 01 04:42:12.167 INFO [stderr]   |
Dec 01 04:42:12.167 INFO [stderr] 3 | #![feature(test)]
Dec 01 04:42:12.167 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 01 04:42:12.167 INFO [stderr] 
Dec 01 04:42:12.167 INFO [stderr] error: aborting due to previous error
Dec 01 04:42:12.167 INFO [stderr] 
Dec 01 04:42:12.167 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 04:42:12.177 INFO [stderr] error: Could not compile `euler_lib`.
Dec 01 04:42:12.177 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 04:42:13.135 INFO [stderr] error: build failed
Dec 01 04:42:13.137 INFO [stderr] su: No module specific data is present
Dec 01 04:42:13.456 INFO running `"docker" "inspect" "d1b97057a15017027ea2b4a91bd7d28abf27dd87e8f5b2b6dd789a96b2335b8b"`
Dec 01 04:42:13.537 INFO running `"docker" "rm" "-f" "d1b97057a15017027ea2b4a91bd7d28abf27dd87e8f5b2b6dd789a96b2335b8b"`
Dec 01 04:42:13.621 INFO [stdout] d1b97057a15017027ea2b4a91bd7d28abf27dd87e8f5b2b6dd789a96b2335b8b
