Dec 04 13:42:35.947 INFO checking mrsekut/WritingAnInterpreterInRust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:42:35.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 13:42:36.195 INFO [stdout] b0863fdb76351ba85f5bd22d2a344aed319fbbe22b69c0519b3367ed4e49724e
Dec 04 13:42:36.197 INFO running `"docker" "start" "-a" "b0863fdb76351ba85f5bd22d2a344aed319fbbe22b69c0519b3367ed4e49724e"`
Dec 04 13:42:37.215 INFO [stderr] usermod: no changes
Dec 04 13:42:37.271 INFO [stderr]     Checking monkey v0.1.0 (/source)
Dec 04 13:42:37.571 INFO [stderr] error[E0004]: non-exhaustive patterns: `&_` not covered
Dec 04 13:42:37.571 INFO [stderr]   --> src/lexer/lexer.rs:44:15
Dec 04 13:42:37.571 INFO [stderr]    |
Dec 04 13:42:37.571 INFO [stderr] 44 |         match &*self.ch {
Dec 04 13:42:37.571 INFO [stderr]    |               ^^^^^^^^^ pattern `&_` not covered
Dec 04 13:42:37.571 INFO [stderr] 
Dec 04 13:42:37.571 INFO [stderr] error: aborting due to previous error
Dec 04 13:42:37.571 INFO [stderr] 
Dec 04 13:42:37.571 INFO [stderr] For more information about this error, try `rustc --explain E0004`.
Dec 04 13:42:37.571 INFO [stderr] error[E0004]: non-exhaustive patterns: `&_` not covered
Dec 04 13:42:37.571 INFO [stderr]   --> src/lexer/lexer.rs:44:15
Dec 04 13:42:37.571 INFO [stderr]    |
Dec 04 13:42:37.571 INFO [stderr] 44 |         match &*self.ch {
Dec 04 13:42:37.571 INFO [stderr]    |               ^^^^^^^^^ pattern `&_` not covered
Dec 04 13:42:37.571 INFO [stderr] 
Dec 04 13:42:37.579 INFO [stderr] error: aborting due to previous error
Dec 04 13:42:37.579 INFO [stderr] 
Dec 04 13:42:37.579 INFO [stderr] For more information about this error, try `rustc --explain E0004`.
Dec 04 13:42:37.579 INFO [stderr] error: Could not compile `monkey`.
Dec 04 13:42:37.579 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 04 13:42:37.579 INFO [stderr] error: Could not compile `monkey`.
Dec 04 13:42:37.579 INFO [stderr] 
Dec 04 13:42:37.579 INFO [stderr] To learn more, run the command again with --verbose.
Dec 04 13:42:37.579 INFO [stderr] su: No module specific data is present
Dec 04 13:42:37.908 INFO running `"docker" "inspect" "b0863fdb76351ba85f5bd22d2a344aed319fbbe22b69c0519b3367ed4e49724e"`
Dec 04 13:42:38.146 INFO running `"docker" "rm" "-f" "b0863fdb76351ba85f5bd22d2a344aed319fbbe22b69c0519b3367ed4e49724e"`
Dec 04 13:42:38.233 INFO [stdout] b0863fdb76351ba85f5bd22d2a344aed319fbbe22b69c0519b3367ed4e49724e