Nov 02 19:58:06.526 INFO checking Qwertee/Kopier against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 19:58:06.528 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-3/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 19:58:06.926 INFO blam! 18ccf13dc2730786bb80e6d16384bb894db7bc6f13f488cded0af3b6db864194
Nov 02 19:58:06.928 INFO running `"docker" "start" "-a" "18ccf13dc2730786bb80e6d16384bb894db7bc6f13f488cded0af3b6db864194"`
Nov 02 19:58:07.656 INFO kablam! usermod: no changes
Nov 02 19:58:07.710 INFO kablam!     Checking kopier v0.1.0 (/source)
Nov 02 19:58:08.560 INFO kablam! warning: variable does not need to be mutable
Nov 02 19:58:08.560 INFO kablam!   --> src/main.rs:22:9
Nov 02 19:58:08.560 INFO kablam!    |
Nov 02 19:58:08.560 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Nov 02 19:58:08.560 INFO kablam!    |         ----^^^^^^^^^
Nov 02 19:58:08.560 INFO kablam!    |         |
Nov 02 19:58:08.560 INFO kablam!    |         help: remove this `mut`
Nov 02 19:58:08.560 INFO kablam!    |
Nov 02 19:58:08.560 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 19:58:08.560 INFO kablam! 
Nov 02 19:58:08.560 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 19:58:08.560 INFO kablam!   --> src/main.rs:32:5
Nov 02 19:58:08.560 INFO kablam!    |
Nov 02 19:58:08.560 INFO kablam! 32 |     f.write_all(data.as_bytes());
Nov 02 19:58:08.560 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:58:08.560 INFO kablam!    |
Nov 02 19:58:08.560 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 19:58:08.560 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 19:58:08.560 INFO kablam! 
Nov 02 19:58:08.655 INFO kablam! warning: variable does not need to be mutable
Nov 02 19:58:08.656 INFO kablam!   --> src/main.rs:22:9
Nov 02 19:58:08.656 INFO kablam!    |
Nov 02 19:58:08.656 INFO kablam! 22 |     let mut dest_file = try!(File::create(dest_string));
Nov 02 19:58:08.656 INFO kablam!    |         ----^^^^^^^^^
Nov 02 19:58:08.656 INFO kablam!    |         |
Nov 02 19:58:08.656 INFO kablam!    |         help: remove this `mut`
Nov 02 19:58:08.656 INFO kablam!    |
Nov 02 19:58:08.656 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 19:58:08.656 INFO kablam! 
Nov 02 19:58:08.668 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 19:58:08.668 INFO kablam!   --> src/main.rs:32:5
Nov 02 19:58:08.668 INFO kablam!    |
Nov 02 19:58:08.668 INFO kablam! 32 |     f.write_all(data.as_bytes());
Nov 02 19:58:08.668 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:58:08.668 INFO kablam!    |
Nov 02 19:58:08.668 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 19:58:08.668 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 19:58:08.668 INFO kablam! 
Nov 02 19:58:08.681 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Nov 02 19:58:08.686 INFO kablam! su: No module specific data is present
Nov 02 19:58:08.984 INFO running `"docker" "rm" "-f" "18ccf13dc2730786bb80e6d16384bb894db7bc6f13f488cded0af3b6db864194"`
Nov 02 19:58:09.198 INFO blam! 18ccf13dc2730786bb80e6d16384bb894db7bc6f13f488cded0af3b6db864194