Nov 09 06:29:52.052 INFO checking robbystk/rust-by-the-book against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 06:29:52.052 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-1/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 06:29:52.440 INFO blam! 6a2d7f54cec103bd351a32f0ebd10c7db0f77096e7027e9c9e4d7f108b9eda05
Nov 09 06:29:52.455 INFO running `"docker" "start" "-a" "6a2d7f54cec103bd351a32f0ebd10c7db0f77096e7027e9c9e4d7f108b9eda05"`
Nov 09 06:29:53.327 INFO kablam! usermod: no changes
Nov 09 06:29:53.415 INFO kablam!     Checking errors v0.1.0 (/source)
Nov 09 06:29:53.624 INFO kablam! warning: unused variable: `f`
Nov 09 06:29:53.624 INFO kablam!  --> src/main.rs:4:9
Nov 09 06:29:53.624 INFO kablam!   |
Nov 09 06:29:53.624 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Nov 09 06:29:53.624 INFO kablam!   |         ^ help: consider using `_f` instead
Nov 09 06:29:53.627 INFO kablam!   |
Nov 09 06:29:53.627 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 06:29:53.627 INFO kablam! 
Nov 09 06:29:53.834 INFO kablam! warning: unused variable: `f`
Nov 09 06:29:53.834 INFO kablam!  --> src/main.rs:4:9
Nov 09 06:29:53.834 INFO kablam!   |
Nov 09 06:29:53.834 INFO kablam! 4 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
Nov 09 06:29:53.834 INFO kablam!   |         ^ help: consider using `_f` instead
Nov 09 06:29:53.834 INFO kablam!   |
Nov 09 06:29:53.834 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 06:29:53.834 INFO kablam! 
Nov 09 06:29:53.870 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Nov 09 06:29:53.875 INFO kablam! su: No module specific data is present
Nov 09 06:29:54.535 INFO running `"docker" "rm" "-f" "6a2d7f54cec103bd351a32f0ebd10c7db0f77096e7027e9c9e4d7f108b9eda05"`
Nov 09 06:29:54.772 INFO blam! 6a2d7f54cec103bd351a32f0ebd10c7db0f77096e7027e9c9e4d7f108b9eda05