Dec 19 22:36:30.793 INFO checking NotLeet/rust-file-manipulation against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:36:30.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/NotLeet/rust-file-manipulation:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:36:31.456 INFO [stdout] 2c384941478558ee47e7f17b42ccfd45b84ed834ebad55fe9d8a650b8076b453
Dec 19 22:36:31.456 INFO running `"docker" "start" "-a" "2c384941478558ee47e7f17b42ccfd45b84ed834ebad55fe9d8a650b8076b453"`
Dec 19 22:36:33.409 INFO [stderr]     Checking read_file v0.1.0 (/opt/crater/workdir)
Dec 19 22:36:33.825 INFO [stderr] warning: unused variable: `expr`
Dec 19 22:36:33.825 INFO [stderr]   --> src/main.rs:20:12
Dec 19 22:36:33.825 INFO [stderr]    |
Dec 19 22:36:33.825 INFO [stderr] 20 |         Ok(expr) => {
Dec 19 22:36:33.825 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 19 22:36:33.825 INFO [stderr]    |
Dec 19 22:36:33.825 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:36:33.825 INFO [stderr] 
Dec 19 22:36:33.825 INFO [stderr] warning: unused variable: `err`
Dec 19 22:36:33.825 INFO [stderr]   --> src/main.rs:26:13
Dec 19 22:36:33.825 INFO [stderr]    |
Dec 19 22:36:33.825 INFO [stderr] 26 |         Err(err) => {
Dec 19 22:36:33.825 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 19 22:36:33.825 INFO [stderr] 
Dec 19 22:36:33.825 INFO [stderr] warning: unused variable: `file_path`
Dec 19 22:36:33.825 INFO [stderr]   --> src/main.rs:81:20
Dec 19 22:36:33.825 INFO [stderr]    |
Dec 19 22:36:33.825 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:33.825 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 19 22:36:33.825 INFO [stderr] 
Dec 19 22:36:33.852 INFO [stderr] warning: function is never used: `get_file_number`
Dec 19 22:36:33.852 INFO [stderr]   --> src/main.rs:81:1
Dec 19 22:36:33.852 INFO [stderr]    |
Dec 19 22:36:33.852 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:33.852 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:36:33.852 INFO [stderr]    |
Dec 19 22:36:33.856 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:36:33.856 INFO [stderr] 
Dec 19 22:36:33.903 INFO [stderr] warning: unused variable: `expr`
Dec 19 22:36:33.903 INFO [stderr]   --> src/main.rs:20:12
Dec 19 22:36:33.903 INFO [stderr]    |
Dec 19 22:36:33.903 INFO [stderr] 20 |         Ok(expr) => {
Dec 19 22:36:33.903 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Dec 19 22:36:33.903 INFO [stderr]    |
Dec 19 22:36:33.903 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:36:33.903 INFO [stderr] 
Dec 19 22:36:33.903 INFO [stderr] warning: unused variable: `err`
Dec 19 22:36:33.903 INFO [stderr]   --> src/main.rs:26:13
Dec 19 22:36:33.903 INFO [stderr]    |
Dec 19 22:36:33.903 INFO [stderr] 26 |         Err(err) => {
Dec 19 22:36:33.903 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 19 22:36:33.903 INFO [stderr] 
Dec 19 22:36:33.903 INFO [stderr] warning: unused variable: `file_path`
Dec 19 22:36:33.903 INFO [stderr]   --> src/main.rs:81:20
Dec 19 22:36:33.903 INFO [stderr]    |
Dec 19 22:36:33.903 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:33.903 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Dec 19 22:36:33.903 INFO [stderr] 
Dec 19 22:36:33.920 INFO [stderr] warning: function is never used: `get_file_number`
Dec 19 22:36:33.920 INFO [stderr]   --> src/main.rs:81:1
Dec 19 22:36:33.920 INFO [stderr]    |
Dec 19 22:36:33.920 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Dec 19 22:36:33.920 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:36:33.920 INFO [stderr]    |
Dec 19 22:36:33.920 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 22:36:33.920 INFO [stderr] 
Dec 19 22:36:33.969 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 19 22:36:34.526 INFO running `"docker" "inspect" "2c384941478558ee47e7f17b42ccfd45b84ed834ebad55fe9d8a650b8076b453"`
Dec 19 22:36:34.725 INFO running `"docker" "rm" "-f" "2c384941478558ee47e7f17b42ccfd45b84ed834ebad55fe9d8a650b8076b453"`
Dec 19 22:36:34.876 INFO [stdout] 2c384941478558ee47e7f17b42ccfd45b84ed834ebad55fe9d8a650b8076b453