Oct 12 16:25:04.923 INFO checking notexactlyawe/rust-hangman against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:25:04.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 16:25:05.345 INFO blam! 4c73ffa9d188ca45f0cdbf8770a3e7f27c56cef3eb2b19843099fd73957b4428
Oct 12 16:25:05.346 INFO running `"docker" "start" "-a" "4c73ffa9d188ca45f0cdbf8770a3e7f27c56cef3eb2b19843099fd73957b4428"`
Oct 12 16:25:06.308 INFO kablam! usermod: no changes
Oct 12 16:25:06.376 INFO kablam!     Checking rand v0.3.17
Oct 12 16:25:08.125 INFO kablam!     Checking hangman v0.0.1 (/source)
Oct 12 16:25:08.648 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:25:08.648 INFO kablam!   --> src/main.rs:15:5
Oct 12 16:25:08.648 INFO kablam!    |
Oct 12 16:25:08.648 INFO kablam! 15 |     f.read_to_string(&mut f_buf);
Oct 12 16:25:08.648 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:08.648 INFO kablam!    |
Oct 12 16:25:08.648 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:25:08.648 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:25:08.649 INFO kablam! 
Oct 12 16:25:08.752 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:25:08.752 INFO kablam!   --> src/main.rs:15:5
Oct 12 16:25:08.752 INFO kablam!    |
Oct 12 16:25:08.752 INFO kablam! 15 |     f.read_to_string(&mut f_buf);
Oct 12 16:25:08.752 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:08.752 INFO kablam!    |
Oct 12 16:25:08.752 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:25:08.752 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:25:08.752 INFO kablam! 
Oct 12 16:25:08.792 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Oct 12 16:25:08.796 INFO kablam! su: No module specific data is present
Oct 12 16:25:09.808 INFO running `"docker" "rm" "-f" "4c73ffa9d188ca45f0cdbf8770a3e7f27c56cef3eb2b19843099fd73957b4428"`
Oct 12 16:25:10.065 INFO blam! 4c73ffa9d188ca45f0cdbf8770a3e7f27c56cef3eb2b19843099fd73957b4428