Oct 13 02:56:44.249 INFO checking Qwertee/Kopier against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:56:44.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 13 02:56:44.818 INFO blam! 1dcd69b1a4efb27281a9b5bd1f07dba93e2e60fa6220ada276c0ccdca1d20aca
Oct 13 02:56:44.818 INFO running `"docker" "start" "-a" "1dcd69b1a4efb27281a9b5bd1f07dba93e2e60fa6220ada276c0ccdca1d20aca"`
Oct 13 02:56:45.980 INFO kablam! usermod: no changes
Oct 13 02:56:46.020 INFO kablam!     Checking kopier v0.1.0 (/source)
Oct 13 02:56:46.740 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:56:46.740 INFO kablam!   --> src/main.rs:22:9
Oct 13 02:56:46.740 INFO kablam!    |
Oct 13 02:56:46.740 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Oct 13 02:56:46.740 INFO kablam!    |         ----^^^^^^^^^
Oct 13 02:56:46.740 INFO kablam!    |         |
Oct 13 02:56:46.740 INFO kablam!    |         help: remove this `mut`
Oct 13 02:56:46.740 INFO kablam!    |
Oct 13 02:56:46.740 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:56:46.740 INFO kablam! 
Oct 13 02:56:46.752 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 02:56:46.752 INFO kablam!   --> src/main.rs:32:5
Oct 13 02:56:46.752 INFO kablam!    |
Oct 13 02:56:46.752 INFO kablam! 32 |     f.write_all(data.as_bytes());
Oct 13 02:56:46.752 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:56:46.752 INFO kablam!    |
Oct 13 02:56:46.752 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 02:56:46.752 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 02:56:46.752 INFO kablam! 
Oct 13 02:56:46.980 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:56:46.980 INFO kablam!   --> src/main.rs:22:9
Oct 13 02:56:46.980 INFO kablam!    |
Oct 13 02:56:46.980 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Oct 13 02:56:46.980 INFO kablam!    |         ----^^^^^^^^^
Oct 13 02:56:46.980 INFO kablam!    |         |
Oct 13 02:56:46.980 INFO kablam!    |         help: remove this `mut`
Oct 13 02:56:46.980 INFO kablam!    |
Oct 13 02:56:46.980 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:56:46.980 INFO kablam! 
Oct 13 02:56:46.992 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 02:56:46.992 INFO kablam!   --> src/main.rs:32:5
Oct 13 02:56:46.992 INFO kablam!    |
Oct 13 02:56:46.992 INFO kablam! 32 |     f.write_all(data.as_bytes());
Oct 13 02:56:46.992 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:56:46.992 INFO kablam!    |
Oct 13 02:56:46.992 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 02:56:46.992 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 02:56:46.992 INFO kablam! 
Oct 13 02:56:46.997 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Oct 13 02:56:46.999 INFO kablam! su: No module specific data is present
Oct 13 02:56:47.632 INFO running `"docker" "rm" "-f" "1dcd69b1a4efb27281a9b5bd1f07dba93e2e60fa6220ada276c0ccdca1d20aca"`
Oct 13 02:56:47.893 INFO blam! 1dcd69b1a4efb27281a9b5bd1f07dba93e2e60fa6220ada276c0ccdca1d20aca