Oct 12 17:23:38.557 INFO checking millere/bf against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:23:38.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 17:23:38.903 INFO blam! c2c3723412ac44489d949addd60b238ebbc0b823c8b4ce67b760ff827f390ceb
Oct 12 17:23:38.905 INFO running `"docker" "start" "-a" "c2c3723412ac44489d949addd60b238ebbc0b823c8b4ce67b760ff827f390ceb"`
Oct 12 17:23:40.046 INFO kablam! usermod: no changes
Oct 12 17:23:40.092 INFO kablam!     Checking bf v0.0.1 (/source)
Oct 12 17:23:40.789 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 17:23:40.789 INFO kablam!  --> src/main.rs:2:5
Oct 12 17:23:40.789 INFO kablam!   |
Oct 12 17:23:40.789 INFO kablam! 2 | use std::io::Read;
Oct 12 17:23:40.789 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 17:23:40.789 INFO kablam!   |
Oct 12 17:23:40.789 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:23:40.789 INFO kablam! 
Oct 12 17:23:40.803 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:23:40.803 INFO kablam!   --> src/main.rs:14:22
Oct 12 17:23:40.804 INFO kablam!    |
Oct 12 17:23:40.804 INFO kablam! 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Oct 12 17:23:40.804 INFO kablam!    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:23:40.804 INFO kablam!    |
Oct 12 17:23:40.804 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:23:40.804 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:23:40.804 INFO kablam! 
Oct 12 17:23:40.880 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 17:23:40.880 INFO kablam!  --> src/main.rs:2:5
Oct 12 17:23:40.880 INFO kablam!   |
Oct 12 17:23:40.880 INFO kablam! 2 | use std::io::Read;
Oct 12 17:23:40.880 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 17:23:40.880 INFO kablam!   |
Oct 12 17:23:40.880 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:23:40.882 INFO kablam! 
Oct 12 17:23:40.897 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:23:40.897 INFO kablam!   --> src/main.rs:14:22
Oct 12 17:23:40.897 INFO kablam!    |
Oct 12 17:23:40.897 INFO kablam! 14 |             b'.' => {output.write(&mut buffer[mptr .. mptr+1]);},
Oct 12 17:23:40.897 INFO kablam!    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:23:40.897 INFO kablam!    |
Oct 12 17:23:40.897 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:23:40.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:23:40.897 INFO kablam! 
Oct 12 17:23:40.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Oct 12 17:23:40.930 INFO kablam! su: No module specific data is present
Oct 12 17:23:41.291 INFO running `"docker" "rm" "-f" "c2c3723412ac44489d949addd60b238ebbc0b823c8b4ce67b760ff827f390ceb"`
Oct 12 17:23:41.459 INFO blam! c2c3723412ac44489d949addd60b238ebbc0b823c8b4ce67b760ff827f390ceb