Nov 28 11:28:34.713 INFO checking Qwertee/Kopier against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:28:34.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 11:28:35.245 INFO [stdout] 6cf5f2d70da27e48c04a898e7268d008fe7c1ea05cebda66b66f7fa08e841309
Nov 28 11:28:35.247 INFO running `"docker" "start" "-a" "6cf5f2d70da27e48c04a898e7268d008fe7c1ea05cebda66b66f7fa08e841309"`
Nov 28 11:28:36.772 INFO [stderr] usermod: no changes
Nov 28 11:28:36.840 INFO [stderr]     Checking kopier v0.1.0 (/source)
Nov 28 11:28:37.416 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:28:37.416 INFO [stderr]   --> src/main.rs:22:9
Nov 28 11:28:37.416 INFO [stderr]    |
Nov 28 11:28:37.416 INFO [stderr] 22 |     let mut dest_file = try!(File::create(dest_string));
Nov 28 11:28:37.416 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:28:37.416 INFO [stderr]    |         |
Nov 28 11:28:37.416 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:28:37.416 INFO [stderr]    |
Nov 28 11:28:37.416 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:28:37.416 INFO [stderr] 
Nov 28 11:28:37.421 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:28:37.421 INFO [stderr]   --> src/main.rs:32:5
Nov 28 11:28:37.421 INFO [stderr]    |
Nov 28 11:28:37.421 INFO [stderr] 32 |     f.write_all(data.as_bytes());
Nov 28 11:28:37.421 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:28:37.421 INFO [stderr]    |
Nov 28 11:28:37.421 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:28:37.421 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:28:37.421 INFO [stderr] 
Nov 28 11:28:37.770 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:28:37.770 INFO [stderr]   --> src/main.rs:22:9
Nov 28 11:28:37.770 INFO [stderr]    |
Nov 28 11:28:37.770 INFO [stderr] 22 |     let mut dest_file = try!(File::create(dest_string));
Nov 28 11:28:37.770 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:28:37.770 INFO [stderr]    |         |
Nov 28 11:28:37.770 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:28:37.770 INFO [stderr]    |
Nov 28 11:28:37.770 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:28:37.770 INFO [stderr] 
Nov 28 11:28:37.770 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:28:37.770 INFO [stderr]   --> src/main.rs:32:5
Nov 28 11:28:37.770 INFO [stderr]    |
Nov 28 11:28:37.770 INFO [stderr] 32 |     f.write_all(data.as_bytes());
Nov 28 11:28:37.770 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:28:37.770 INFO [stderr]    |
Nov 28 11:28:37.770 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:28:37.770 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:28:37.770 INFO [stderr] 
Nov 28 11:28:37.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Nov 28 11:28:37.796 INFO [stderr] su: No module specific data is present
Nov 28 11:28:38.872 INFO running `"docker" "inspect" "6cf5f2d70da27e48c04a898e7268d008fe7c1ea05cebda66b66f7fa08e841309"`
Nov 28 11:28:39.212 INFO running `"docker" "rm" "-f" "6cf5f2d70da27e48c04a898e7268d008fe7c1ea05cebda66b66f7fa08e841309"`
Nov 28 11:28:39.480 INFO [stdout] 6cf5f2d70da27e48c04a898e7268d008fe7c1ea05cebda66b66f7fa08e841309