Nov 09 06:29:52.433 INFO checking robbystk/rust-by-the-book against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 06:29:52.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 06:29:52.865 INFO blam! ee13721037da617a72b5cb1b8ce5abc891691fd9cf48496ec09d881c3412467d
Nov 09 06:29:52.871 INFO running `"docker" "start" "-a" "ee13721037da617a72b5cb1b8ce5abc891691fd9cf48496ec09d881c3412467d"`
Nov 09 06:29:53.719 INFO kablam! usermod: no changes
Nov 09 06:29:53.763 INFO kablam!     Checking errors v0.1.0 (/source)
Nov 09 06:29:54.027 INFO kablam! warning: unused variable: `f`
Nov 09 06:29:54.027 INFO kablam!  --> src/main.rs:4:9
Nov 09 06:29:54.027 INFO kablam!   |
Nov 09 06:29:54.027 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Nov 09 06:29:54.027 INFO kablam!   |         ^ help: consider using `_f` instead
Nov 09 06:29:54.027 INFO kablam!   |
Nov 09 06:29:54.027 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 06:29:54.027 INFO kablam! 
Nov 09 06:29:54.183 INFO kablam! warning: unused variable: `f`
Nov 09 06:29:54.183 INFO kablam!  --> src/main.rs:4:9
Nov 09 06:29:54.183 INFO kablam!   |
Nov 09 06:29:54.183 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Nov 09 06:29:54.183 INFO kablam!   |         ^ help: consider using `_f` instead
Nov 09 06:29:54.183 INFO kablam!   |
Nov 09 06:29:54.183 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 06:29:54.183 INFO kablam! 
Nov 09 06:29:54.207 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Nov 09 06:29:54.223 INFO kablam! su: No module specific data is present
Nov 09 06:29:54.727 INFO running `"docker" "rm" "-f" "ee13721037da617a72b5cb1b8ce5abc891691fd9cf48496ec09d881c3412467d"`
Nov 09 06:29:55.095 INFO blam! ee13721037da617a72b5cb1b8ce5abc891691fd9cf48496ec09d881c3412467d