Oct 13 02:56:44.863 INFO checking Qwertee/Kopier against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 02:56:44.863 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 13 02:56:45.316 INFO blam! 7ec22663806fb5a8f468bafffb619e9315093d43e02e292bd46be3c2c84bf519
Oct 13 02:56:45.316 INFO running `"docker" "start" "-a" "7ec22663806fb5a8f468bafffb619e9315093d43e02e292bd46be3c2c84bf519"`
Oct 13 02:56:46.577 INFO kablam! usermod: no changes
Oct 13 02:56:46.668 INFO kablam!     Checking kopier v0.1.0 (/source)
Oct 13 02:56:47.252 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:56:47.252 INFO kablam!   --> src/main.rs:22:9
Oct 13 02:56:47.252 INFO kablam!    |
Oct 13 02:56:47.252 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Oct 13 02:56:47.252 INFO kablam!    |         ----^^^^^^^^^
Oct 13 02:56:47.252 INFO kablam!    |         |
Oct 13 02:56:47.252 INFO kablam!    |         help: remove this `mut`
Oct 13 02:56:47.252 INFO kablam!    |
Oct 13 02:56:47.252 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:56:47.252 INFO kablam! 
Oct 13 02:56:47.256 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 02:56:47.256 INFO kablam!   --> src/main.rs:32:5
Oct 13 02:56:47.256 INFO kablam!    |
Oct 13 02:56:47.256 INFO kablam! 32 |     f.write_all(data.as_bytes());
Oct 13 02:56:47.256 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:56:47.256 INFO kablam!    |
Oct 13 02:56:47.256 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 02:56:47.256 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 02:56:47.257 INFO kablam! 
Oct 13 02:56:47.332 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:56:47.332 INFO kablam!   --> src/main.rs:22:9
Oct 13 02:56:47.332 INFO kablam!    |
Oct 13 02:56:47.332 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Oct 13 02:56:47.332 INFO kablam!    |         ----^^^^^^^^^
Oct 13 02:56:47.332 INFO kablam!    |         |
Oct 13 02:56:47.332 INFO kablam!    |         help: remove this `mut`
Oct 13 02:56:47.332 INFO kablam!    |
Oct 13 02:56:47.332 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:56:47.332 INFO kablam! 
Oct 13 02:56:47.332 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 02:56:47.332 INFO kablam!   --> src/main.rs:32:5
Oct 13 02:56:47.332 INFO kablam!    |
Oct 13 02:56:47.332 INFO kablam! 32 |     f.write_all(data.as_bytes());
Oct 13 02:56:47.332 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:56:47.332 INFO kablam!    |
Oct 13 02:56:47.332 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 02:56:47.332 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 02:56:47.332 INFO kablam! 
Oct 13 02:56:47.368 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Oct 13 02:56:47.368 INFO kablam! su: No module specific data is present
Oct 13 02:56:47.733 INFO running `"docker" "rm" "-f" "7ec22663806fb5a8f468bafffb619e9315093d43e02e292bd46be3c2c84bf519"`
Oct 13 02:56:47.882 INFO blam! 7ec22663806fb5a8f468bafffb619e9315093d43e02e292bd46be3c2c84bf519