Nov 28 11:53:23.323 INFO checking NotLeet/rust-file-manipulation against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:53:23.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 11:53:23.822 INFO [stdout] b9df4950ecfbd0089c8bd651737c4b94324e2e2ced860d154d7937bfce81e768
Nov 28 11:53:23.823 INFO running `"docker" "start" "-a" "b9df4950ecfbd0089c8bd651737c4b94324e2e2ced860d154d7937bfce81e768"`
Nov 28 11:53:25.552 INFO [stderr] usermod: no changes
Nov 28 11:53:25.620 INFO [stderr]     Checking read_file v0.1.0 (/source)
Nov 28 11:53:26.528 INFO [stderr] warning: unused variable: `expr`
Nov 28 11:53:26.529 INFO [stderr]   --> src/main.rs:20:12
Nov 28 11:53:26.529 INFO [stderr]    |
Nov 28 11:53:26.529 INFO [stderr] 20 |         Ok(expr) => {
Nov 28 11:53:26.529 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Nov 28 11:53:26.529 INFO [stderr]    |
Nov 28 11:53:26.529 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:53:26.529 INFO [stderr] 
Nov 28 11:53:26.529 INFO [stderr] warning: unused variable: `err`
Nov 28 11:53:26.529 INFO [stderr]   --> src/main.rs:26:13
Nov 28 11:53:26.529 INFO [stderr]    |
Nov 28 11:53:26.529 INFO [stderr] 26 |         Err(err) => {
Nov 28 11:53:26.529 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Nov 28 11:53:26.529 INFO [stderr] 
Nov 28 11:53:26.529 INFO [stderr] warning: unused variable: `file_path`
Nov 28 11:53:26.529 INFO [stderr]   --> src/main.rs:81:20
Nov 28 11:53:26.529 INFO [stderr]    |
Nov 28 11:53:26.529 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Nov 28 11:53:26.529 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Nov 28 11:53:26.529 INFO [stderr] 
Nov 28 11:53:26.556 INFO [stderr] warning: unused variable: `expr`
Nov 28 11:53:26.556 INFO [stderr]   --> src/main.rs:20:12
Nov 28 11:53:26.557 INFO [stderr]    |
Nov 28 11:53:26.557 INFO [stderr] 20 |         Ok(expr) => {
Nov 28 11:53:26.557 INFO [stderr]    |            ^^^^ help: consider using `_expr` instead
Nov 28 11:53:26.557 INFO [stderr]    |
Nov 28 11:53:26.557 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:53:26.557 INFO [stderr] 
Nov 28 11:53:26.557 INFO [stderr] warning: unused variable: `err`
Nov 28 11:53:26.557 INFO [stderr]   --> src/main.rs:26:13
Nov 28 11:53:26.557 INFO [stderr]    |
Nov 28 11:53:26.557 INFO [stderr] 26 |         Err(err) => {
Nov 28 11:53:26.557 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Nov 28 11:53:26.557 INFO [stderr] 
Nov 28 11:53:26.557 INFO [stderr] warning: unused variable: `file_path`
Nov 28 11:53:26.557 INFO [stderr]   --> src/main.rs:81:20
Nov 28 11:53:26.557 INFO [stderr]    |
Nov 28 11:53:26.557 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Nov 28 11:53:26.559 INFO [stderr]    |                    ^^^^^^^^^ help: consider using `_file_path` instead
Nov 28 11:53:26.560 INFO [stderr] 
Nov 28 11:53:26.580 INFO [stderr] warning: function is never used: `get_file_number`
Nov 28 11:53:26.580 INFO [stderr]   --> src/main.rs:81:1
Nov 28 11:53:26.581 INFO [stderr]    |
Nov 28 11:53:26.581 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Nov 28 11:53:26.582 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:53:26.582 INFO [stderr]    |
Nov 28 11:53:26.583 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:53:26.583 INFO [stderr] 
Nov 28 11:53:26.600 INFO [stderr] warning: function is never used: `get_file_number`
Nov 28 11:53:26.600 INFO [stderr]   --> src/main.rs:81:1
Nov 28 11:53:26.600 INFO [stderr]    |
Nov 28 11:53:26.600 INFO [stderr] 81 | fn get_file_number(file_path: &PathBuf) -> i32 {
Nov 28 11:53:26.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:53:26.600 INFO [stderr]    |
Nov 28 11:53:26.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:53:26.601 INFO [stderr] 
Nov 28 11:53:26.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Nov 28 11:53:26.674 INFO [stderr] su: No module specific data is present
Nov 28 11:53:27.784 INFO running `"docker" "inspect" "b9df4950ecfbd0089c8bd651737c4b94324e2e2ced860d154d7937bfce81e768"`
Nov 28 11:53:28.094 INFO running `"docker" "rm" "-f" "b9df4950ecfbd0089c8bd651737c4b94324e2e2ced860d154d7937bfce81e768"`
Nov 28 11:53:28.544 INFO [stdout] b9df4950ecfbd0089c8bd651737c4b94324e2e2ced860d154d7937bfce81e768