Oct 12 19:41:49.499 INFO checking jmcelwain/the_linux_programming_interface against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 19:41:49.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 19:41:49.834 INFO blam! 3795e625427fbf93c71505ba1c011ecd32f68e0bdcdef843def3b7e767258613
Oct 12 19:41:49.835 INFO running `"docker" "start" "-a" "3795e625427fbf93c71505ba1c011ecd32f68e0bdcdef843def3b7e767258613"`
Oct 12 19:41:51.272 INFO kablam! usermod: no changes
Oct 12 19:41:51.328 INFO kablam!     Checking linux_interface v0.1.0 (/source)
Oct 12 19:41:51.760 INFO kablam! warning: unused variable: `to_path`
Oct 12 19:41:51.760 INFO kablam!  --> src/fileio/copy.rs:6:9
Oct 12 19:41:51.760 INFO kablam!   |
Oct 12 19:41:51.760 INFO kablam! 6 |     let to_path = Path::new(to);
Oct 12 19:41:51.760 INFO kablam!   |         ^^^^^^^ help: consider using `_to_path` instead
Oct 12 19:41:51.760 INFO kablam!   |
Oct 12 19:41:51.760 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:41:51.760 INFO kablam! 
Oct 12 19:41:51.760 INFO kablam! warning: unused variable: `file`
Oct 12 19:41:51.760 INFO kablam!  --> src/fileio/copy.rs:8:9
Oct 12 19:41:51.760 INFO kablam!   |
Oct 12 19:41:51.760 INFO kablam! 8 |     let file = match File::open(&from) {
Oct 12 19:41:51.760 INFO kablam!   |         ^^^^ help: consider using `_file` instead
Oct 12 19:41:51.760 INFO kablam! 
Oct 12 19:41:51.760 INFO kablam! warning: function is never used: `copy`
Oct 12 19:41:51.760 INFO kablam!  --> src/fileio/copy.rs:4:1
Oct 12 19:41:51.760 INFO kablam!   |
Oct 12 19:41:51.760 INFO kablam! 4 | pub fn copy(from: &String, to: &String) {
Oct 12 19:41:51.760 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:51.760 INFO kablam!   |
Oct 12 19:41:51.760 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:41:51.760 INFO kablam! 
Oct 12 19:41:51.980 INFO kablam! warning: unused variable: `to_path`
Oct 12 19:41:51.982 INFO kablam!  --> src/fileio/copy.rs:6:9
Oct 12 19:41:51.982 INFO kablam!   |
Oct 12 19:41:51.982 INFO kablam! 6 |     let to_path = Path::new(to);
Oct 12 19:41:51.982 INFO kablam!   |         ^^^^^^^ help: consider using `_to_path` instead
Oct 12 19:41:51.982 INFO kablam!   |
Oct 12 19:41:51.982 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:41:51.982 INFO kablam! 
Oct 12 19:41:51.982 INFO kablam! warning: unused variable: `file`
Oct 12 19:41:51.982 INFO kablam!  --> src/fileio/copy.rs:8:9
Oct 12 19:41:51.982 INFO kablam!   |
Oct 12 19:41:51.982 INFO kablam! 8 |     let file = match File::open(&from) {
Oct 12 19:41:51.982 INFO kablam!   |         ^^^^ help: consider using `_file` instead
Oct 12 19:41:51.982 INFO kablam! 
Oct 12 19:41:51.982 INFO kablam! warning: function is never used: `copy`
Oct 12 19:41:51.982 INFO kablam!  --> src/fileio/copy.rs:4:1
Oct 12 19:41:51.982 INFO kablam!   |
Oct 12 19:41:51.982 INFO kablam! 4 | pub fn copy(from: &String, to: &String) {
Oct 12 19:41:51.982 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:41:51.982 INFO kablam!   |
Oct 12 19:41:51.982 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:41:51.982 INFO kablam! 
Oct 12 19:41:52.009 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Oct 12 19:41:52.011 INFO kablam! su: No module specific data is present
Oct 12 19:41:52.705 INFO running `"docker" "rm" "-f" "3795e625427fbf93c71505ba1c011ecd32f68e0bdcdef843def3b7e767258613"`
Oct 12 19:41:53.048 INFO blam! 3795e625427fbf93c71505ba1c011ecd32f68e0bdcdef843def3b7e767258613