Nov 01 03:07:12.182 INFO checking jmcelwain/the_linux_programming_interface against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 03:07:12.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 03:07:12.558 INFO blam! c1602807dd3651d4a85747a20fb97cd7fb07586c047be80392be4fc0ee507229
Nov 01 03:07:12.559 INFO running `"docker" "start" "-a" "c1602807dd3651d4a85747a20fb97cd7fb07586c047be80392be4fc0ee507229"`
Nov 01 03:07:13.872 INFO kablam! usermod: no changes
Nov 01 03:07:13.972 INFO kablam!     Checking linux_interface v0.1.0 (/source)
Nov 01 03:07:14.420 INFO kablam! warning: unused variable: `to_path`
Nov 01 03:07:14.420 INFO kablam!  --> src/fileio/copy.rs:6:9
Nov 01 03:07:14.420 INFO kablam!   |
Nov 01 03:07:14.420 INFO kablam! 6 |     let to_path = Path::new(to);
Nov 01 03:07:14.420 INFO kablam!   |         ^^^^^^^ help: consider using `_to_path` instead
Nov 01 03:07:14.420 INFO kablam!   |
Nov 01 03:07:14.420 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 03:07:14.420 INFO kablam! 
Nov 01 03:07:14.420 INFO kablam! warning: unused variable: `file`
Nov 01 03:07:14.420 INFO kablam!  --> src/fileio/copy.rs:8:9
Nov 01 03:07:14.420 INFO kablam!   |
Nov 01 03:07:14.420 INFO kablam! 8 |     let file = match File::open(&from) {
Nov 01 03:07:14.420 INFO kablam!   |         ^^^^ help: consider using `_file` instead
Nov 01 03:07:14.420 INFO kablam! 
Nov 01 03:07:14.420 INFO kablam! warning: function is never used: `copy`
Nov 01 03:07:14.421 INFO kablam!  --> src/fileio/copy.rs:4:1
Nov 01 03:07:14.421 INFO kablam!   |
Nov 01 03:07:14.421 INFO kablam! 4 | pub fn copy(from: &String, to: &String) {
Nov 01 03:07:14.421 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:07:14.421 INFO kablam!   |
Nov 01 03:07:14.421 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 03:07:14.421 INFO kablam! 
Nov 01 03:07:14.520 INFO kablam! warning: unused variable: `to_path`
Nov 01 03:07:14.520 INFO kablam!  --> src/fileio/copy.rs:6:9
Nov 01 03:07:14.520 INFO kablam!   |
Nov 01 03:07:14.520 INFO kablam! 6 |     let to_path = Path::new(to);
Nov 01 03:07:14.520 INFO kablam!   |         ^^^^^^^ help: consider using `_to_path` instead
Nov 01 03:07:14.520 INFO kablam!   |
Nov 01 03:07:14.520 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 03:07:14.520 INFO kablam! 
Nov 01 03:07:14.520 INFO kablam! warning: unused variable: `file`
Nov 01 03:07:14.520 INFO kablam!  --> src/fileio/copy.rs:8:9
Nov 01 03:07:14.520 INFO kablam!   |
Nov 01 03:07:14.520 INFO kablam! 8 |     let file = match File::open(&from) {
Nov 01 03:07:14.520 INFO kablam!   |         ^^^^ help: consider using `_file` instead
Nov 01 03:07:14.520 INFO kablam! 
Nov 01 03:07:14.520 INFO kablam! warning: function is never used: `copy`
Nov 01 03:07:14.520 INFO kablam!  --> src/fileio/copy.rs:4:1
Nov 01 03:07:14.520 INFO kablam!   |
Nov 01 03:07:14.520 INFO kablam! 4 | pub fn copy(from: &String, to: &String) {
Nov 01 03:07:14.520 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:07:14.520 INFO kablam!   |
Nov 01 03:07:14.520 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 03:07:14.520 INFO kablam! 
Nov 01 03:07:14.545 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Nov 01 03:07:14.560 INFO kablam! su: No module specific data is present
Nov 01 03:07:15.477 INFO running `"docker" "rm" "-f" "c1602807dd3651d4a85747a20fb97cd7fb07586c047be80392be4fc0ee507229"`
Nov 01 03:07:15.780 INFO blam! c1602807dd3651d4a85747a20fb97cd7fb07586c047be80392be4fc0ee507229