Oct 12 22:39:57.896 INFO checking dgryski/rust-bf against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 22:39:57.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 22:39:58.409 INFO blam! a925425dda87b821d3bbab4c4fced28102f2d70470e8161829e6420e6c689f7e
Oct 12 22:39:58.421 INFO running `"docker" "start" "-a" "a925425dda87b821d3bbab4c4fced28102f2d70470e8161829e6420e6c689f7e"`
Oct 12 22:39:59.964 INFO kablam! usermod: no changes
Oct 12 22:39:59.991 INFO kablam!     Checking bf v0.1.0 (/source)
Oct 12 22:40:00.584 INFO kablam! warning: unused variable: `arg1`
Oct 12 22:40:00.584 INFO kablam!   --> src/main.rs:17:13
Oct 12 22:40:00.584 INFO kablam!    |
Oct 12 22:40:00.584 INFO kablam! 17 |     let ref arg1 = args[1];
Oct 12 22:40:00.584 INFO kablam!    |             ^^^^ help: consider using `_arg1` instead
Oct 12 22:40:00.584 INFO kablam!    |
Oct 12 22:40:00.584 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 22:40:00.584 INFO kablam! 
Oct 12 22:40:00.600 INFO kablam! warning: unused variable: `arg1`
Oct 12 22:40:00.600 INFO kablam!   --> src/main.rs:17:13
Oct 12 22:40:00.600 INFO kablam!    |
Oct 12 22:40:00.600 INFO kablam! 17 |     let ref arg1 = args[1];
Oct 12 22:40:00.600 INFO kablam!    |             ^^^^ help: consider using `_arg1` instead
Oct 12 22:40:00.600 INFO kablam!    |
Oct 12 22:40:00.600 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 22:40:00.600 INFO kablam! 
Oct 12 22:40:00.617 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 22:40:00.617 INFO kablam!   --> src/main.rs:31:9
Oct 12 22:40:00.617 INFO kablam!    |
Oct 12 22:40:00.618 INFO kablam! 31 |         io::stderr().write(err.as_bytes());
Oct 12 22:40:00.618 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:40:00.618 INFO kablam!    |
Oct 12 22:40:00.619 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 22:40:00.619 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 22:40:00.619 INFO kablam! 
Oct 12 22:40:00.619 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 22:40:00.620 INFO kablam!   --> src/main.rs:31:9
Oct 12 22:40:00.620 INFO kablam!    |
Oct 12 22:40:00.620 INFO kablam! 31 |         io::stderr().write(err.as_bytes());
Oct 12 22:40:00.621 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:40:00.621 INFO kablam!    |
Oct 12 22:40:00.621 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 22:40:00.621 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 22:40:00.622 INFO kablam! 
Oct 12 22:40:00.649 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Oct 12 22:40:00.652 INFO kablam! su: No module specific data is present
Oct 12 22:40:01.024 INFO running `"docker" "rm" "-f" "a925425dda87b821d3bbab4c4fced28102f2d70470e8161829e6420e6c689f7e"`
Oct 12 22:40:01.260 INFO blam! a925425dda87b821d3bbab4c4fced28102f2d70470e8161829e6420e6c689f7e