Dec 11 13:53:04.961 INFO checking mbbxAdam/minigrep against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:53:04.961 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 13:53:05.468 INFO [stdout] 56ef02e864e728bda18643a1dfffd9268ae72aae22b53f527a10cf3d4eb1c42a
Dec 11 13:53:05.474 INFO running `"docker" "start" "-a" "56ef02e864e728bda18643a1dfffd9268ae72aae22b53f527a10cf3d4eb1c42a"`
Dec 11 13:53:07.348 INFO [stderr] usermod: no changes
Dec 11 13:53:07.416 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 11 13:53:08.052 INFO [stderr] error[E0308]: mismatched types
Dec 11 13:53:08.052 INFO [stderr]   --> src/main.rs:20:54
Dec 11 13:53:08.052 INFO [stderr]    |
Dec 11 13:53:08.052 INFO [stderr] 20 |   fn run(config: Config) -> Result<(), Box<dyn Error>> {
Dec 11 13:53:08.052 INFO [stderr]    |  ______________________________________________________^
Dec 11 13:53:08.052 INFO [stderr] 21 | |     let contents = fs::read_to_string(config.filename)
Dec 11 13:53:08.052 INFO [stderr] 22 | |         .expect("Something went wrong reading the file");
Dec 11 13:53:08.052 INFO [stderr] 23 | |
Dec 11 13:53:08.052 INFO [stderr] 24 | |     println!("With text:\n{}", contents);
Dec 11 13:53:08.052 INFO [stderr] 25 | | }
Dec 11 13:53:08.052 INFO [stderr]    | |_^ expected enum `std::result::Result`, found ()
Dec 11 13:53:08.052 INFO [stderr]    |
Dec 11 13:53:08.052 INFO [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
Dec 11 13:53:08.052 INFO [stderr]               found type `()`
Dec 11 13:53:08.052 INFO [stderr] 
Dec 11 13:53:08.075 INFO [stderr] error: aborting due to previous error
Dec 11 13:53:08.075 INFO [stderr] 
Dec 11 13:53:08.075 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 11 13:53:08.094 INFO [stderr] error: Could not compile `minigrep`.
Dec 11 13:53:08.094 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 13:53:08.141 INFO [stderr] error[E0308]: mismatched types
Dec 11 13:53:08.141 INFO [stderr]   --> src/main.rs:20:54
Dec 11 13:53:08.141 INFO [stderr]    |
Dec 11 13:53:08.141 INFO [stderr] 20 |   fn run(config: Config) -> Result<(), Box<dyn Error>> {
Dec 11 13:53:08.141 INFO [stderr]    |  ______________________________________________________^
Dec 11 13:53:08.141 INFO [stderr] 21 | |     let contents = fs::read_to_string(config.filename)
Dec 11 13:53:08.141 INFO [stderr] 22 | |         .expect("Something went wrong reading the file");
Dec 11 13:53:08.141 INFO [stderr] 23 | |
Dec 11 13:53:08.141 INFO [stderr] 24 | |     println!("With text:\n{}", contents);
Dec 11 13:53:08.141 INFO [stderr] 25 | | }
Dec 11 13:53:08.141 INFO [stderr]    | |_^ expected enum `std::result::Result`, found ()
Dec 11 13:53:08.141 INFO [stderr]    |
Dec 11 13:53:08.141 INFO [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
Dec 11 13:53:08.141 INFO [stderr]               found type `()`
Dec 11 13:53:08.141 INFO [stderr] 
Dec 11 13:53:08.144 INFO [stderr] error: aborting due to previous error
Dec 11 13:53:08.144 INFO [stderr] 
Dec 11 13:53:08.144 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 11 13:53:08.151 INFO [stderr] error: Could not compile `minigrep`.
Dec 11 13:53:08.151 INFO [stderr] 
Dec 11 13:53:08.151 INFO [stderr] To learn more, run the command again with --verbose.
Dec 11 13:53:08.152 INFO [stderr] su: No module specific data is present
Dec 11 13:53:09.238 INFO running `"docker" "inspect" "56ef02e864e728bda18643a1dfffd9268ae72aae22b53f527a10cf3d4eb1c42a"`
Dec 11 13:53:09.556 INFO running `"docker" "rm" "-f" "56ef02e864e728bda18643a1dfffd9268ae72aae22b53f527a10cf3d4eb1c42a"`
Dec 11 13:53:09.796 INFO [stdout] 56ef02e864e728bda18643a1dfffd9268ae72aae22b53f527a10cf3d4eb1c42a