Dec 12 01:08:09.501 INFO checking NotLeet/rust-file-manipulation against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:08:09.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12 01:08:09.946 INFO [stdout] ce3d9e454242b1c6797e55c018db56e89b6ee27464cd358328e9923d9c148ea6
Dec 12 01:08:09.950 INFO running `"docker" "start" "-a" "ce3d9e454242b1c6797e55c018db56e89b6ee27464cd358328e9923d9c148ea6"`
Dec 12 01:08:10.893 INFO [stderr] usermod: no changes
Dec 12 01:08:10.930 INFO [stderr]     Checking read_file v0.1.0 (/source)
Dec 12 01:08:11.296 INFO [stderr] warning: unused variable: `expr`
Dec 12 01:08:11.296 INFO [stderr]   --> src/main.rs:20:12
Dec 12 01:08:11.296 INFO [stderr]    |
Dec 12 01:08:11.296 INFO [stderr] 20 |         Ok(expr) => {
Dec 12 01:08:11.296 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 12 01:08:11.296 INFO [stderr]    |
Dec 12 01:08:11.296 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:08:11.296 INFO [stderr] 
Dec 12 01:08:11.296 INFO [stderr] warning: unused variable: `err`
Dec 12 01:08:11.296 INFO [stderr]   --> src/main.rs:26:13
Dec 12 01:08:11.296 INFO [stderr]    |
Dec 12 01:08:11.296 INFO [stderr] 26 |         Err(err) => {
Dec 12 01:08:11.296 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 12 01:08:11.296 INFO [stderr] 
Dec 12 01:08:11.296 INFO [stderr] warning: unused variable: `file_path`
Dec 12 01:08:11.296 INFO [stderr]   --> src/main.rs:81:20
Dec 12 01:08:11.296 INFO [stderr]    |
Dec 12 01:08:11.296 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 12 01:08:11.296 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 12 01:08:11.297 INFO [stderr] 
Dec 12 01:08:11.314 INFO [stderr] warning: function is never used: `get_file_number`
Dec 12 01:08:11.314 INFO [stderr]   --> src/main.rs:81:1
Dec 12 01:08:11.314 INFO [stderr]    |
Dec 12 01:08:11.314 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 12 01:08:11.314 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:08:11.314 INFO [stderr]    |
Dec 12 01:08:11.314 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:08:11.314 INFO [stderr] 
Dec 12 01:08:11.364 INFO [stderr] warning: unused variable: `expr`
Dec 12 01:08:11.364 INFO [stderr]   --> src/main.rs:20:12
Dec 12 01:08:11.364 INFO [stderr]    |
Dec 12 01:08:11.364 INFO [stderr] 20 |         Ok(expr) => {
Dec 12 01:08:11.364 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 12 01:08:11.364 INFO [stderr]    |
Dec 12 01:08:11.364 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:08:11.364 INFO [stderr] 
Dec 12 01:08:11.364 INFO [stderr] warning: unused variable: `err`
Dec 12 01:08:11.364 INFO [stderr]   --> src/main.rs:26:13
Dec 12 01:08:11.364 INFO [stderr]    |
Dec 12 01:08:11.364 INFO [stderr] 26 |         Err(err) => {
Dec 12 01:08:11.364 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 12 01:08:11.364 INFO [stderr] 
Dec 12 01:08:11.364 INFO [stderr] warning: unused variable: `file_path`
Dec 12 01:08:11.364 INFO [stderr]   --> src/main.rs:81:20
Dec 12 01:08:11.364 INFO [stderr]    |
Dec 12 01:08:11.364 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 12 01:08:11.364 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 12 01:08:11.364 INFO [stderr] 
Dec 12 01:08:11.378 INFO [stderr] warning: function is never used: `get_file_number`
Dec 12 01:08:11.379 INFO [stderr]   --> src/main.rs:81:1
Dec 12 01:08:11.379 INFO [stderr]    |
Dec 12 01:08:11.379 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 12 01:08:11.379 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:08:11.379 INFO [stderr]    |
Dec 12 01:08:11.379 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:08:11.379 INFO [stderr] 
Dec 12 01:08:11.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 12 01:08:11.399 INFO [stderr] su: No module specific data is present
Dec 12 01:08:11.660 INFO running `"docker" "inspect" "ce3d9e454242b1c6797e55c018db56e89b6ee27464cd358328e9923d9c148ea6"`
Dec 12 01:08:11.820 INFO running `"docker" "rm" "-f" "ce3d9e454242b1c6797e55c018db56e89b6ee27464cd358328e9923d9c148ea6"`
Dec 12 01:08:12.000 INFO [stdout] ce3d9e454242b1c6797e55c018db56e89b6ee27464cd358328e9923d9c148ea6