Oct 26 22:08:56.147 INFO checking robbystk/rust-by-the-book against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 22:08:56.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 26 22:08:56.492 INFO blam! f46f7fa86e4aa4f172e23d2b088d10150beca91e659abe6d74ff019edccf1267
Oct 26 22:08:56.494 INFO running `"docker" "start" "-a" "f46f7fa86e4aa4f172e23d2b088d10150beca91e659abe6d74ff019edccf1267"`
Oct 26 22:08:57.283 INFO kablam! usermod: no changes
Oct 26 22:08:57.335 INFO kablam!     Checking errors v0.1.0 (/source)
Oct 26 22:08:57.771 INFO kablam! warning: unused variable: `f`
Oct 26 22:08:57.771 INFO kablam!  --> src/main.rs:4:9
Oct 26 22:08:57.771 INFO kablam!   |
Oct 26 22:08:57.771 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Oct 26 22:08:57.771 INFO kablam!   |         ^ help: consider using `_f` instead
Oct 26 22:08:57.771 INFO kablam!   |
Oct 26 22:08:57.771 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 22:08:57.771 INFO kablam! 
Oct 26 22:08:57.839 INFO kablam! warning: unused variable: `f`
Oct 26 22:08:57.839 INFO kablam!  --> src/main.rs:4:9
Oct 26 22:08:57.839 INFO kablam!   |
Oct 26 22:08:57.839 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Oct 26 22:08:57.839 INFO kablam!   |         ^ help: consider using `_f` instead
Oct 26 22:08:57.839 INFO kablam!   |
Oct 26 22:08:57.839 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 22:08:57.839 INFO kablam! 
Oct 26 22:08:57.849 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Oct 26 22:08:57.853 INFO kablam! su: No module specific data is present
Oct 26 22:08:59.012 INFO running `"docker" "rm" "-f" "f46f7fa86e4aa4f172e23d2b088d10150beca91e659abe6d74ff019edccf1267"`
Oct 26 22:08:59.275 INFO blam! f46f7fa86e4aa4f172e23d2b088d10150beca91e659abe6d74ff019edccf1267