Dec 18 13:42:29.248 INFO checking nes-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:42:29.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/nes/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:42:29.695 INFO [stdout] 6b7af7b12b763d8c40e166dfaeed8bbb0b71e3314209e8fedb7d04be18e00b34
Dec 18 13:42:29.702 INFO running `"docker" "start" "-a" "6b7af7b12b763d8c40e166dfaeed8bbb0b71e3314209e8fedb7d04be18e00b34"`
Dec 18 13:42:31.152 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 13:42:31.168 INFO [stderr]     Checking nes v0.1.1 (/opt/crater/workdir)
Dec 18 13:42:31.861 INFO [stderr] warning: unused import: `RwLock`
Dec 18 13:42:31.861 INFO [stderr]  --> examples/lock.rs:7:27
Dec 18 13:42:31.861 INFO [stderr]   |
Dec 18 13:42:31.861 INFO [stderr] 7 | use std::sync::{Mutex,Arc,RwLock};
Dec 18 13:42:31.861 INFO [stderr]   |                           ^^^^^^
Dec 18 13:42:31.861 INFO [stderr]   |
Dec 18 13:42:31.862 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:42:31.862 INFO [stderr] 
Dec 18 13:42:31.920 INFO [stderr] warning: unused variable: `file_name`
Dec 18 13:42:31.920 INFO [stderr]   --> examples/example.rs:75:47
Dec 18 13:42:31.920 INFO [stderr]    |
Dec 18 13:42:31.920 INFO [stderr] 75 |         Err(CommonError::IncorrectExtension(_,file_name, extension)) => println!("incorrect extension {}",extension),
Dec 18 13:42:31.920 INFO [stderr]    |                                               ^^^^^^^^^ help: consider using `_file_name` instead
Dec 18 13:42:31.920 INFO [stderr]    |
Dec 18 13:42:31.920 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:42:31.920 INFO [stderr] 
Dec 18 13:42:31.920 INFO [stderr] warning: unused variable: `io_error`
Dec 18 13:42:31.920 INFO [stderr]   --> examples/example.rs:78:86
Dec 18 13:42:31.920 INFO [stderr]    |
Dec 18 13:42:31.920 INFO [stderr] 78 |                 CommonError::ReadFileError(_, box ReadFileError::ReadFileError(_,ref io_error, ref file)) => println!("can not read file \"{}\"",file),
Dec 18 13:42:31.920 INFO [stderr]    |                                                                                      ^^^^^^^^ help: consider using `_io_error` instead
Dec 18 13:42:31.920 INFO [stderr] 
Dec 18 13:42:31.920 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 13:42:31.920 INFO [stderr]   --> examples/lock.rs:44:5
Dec 18 13:42:31.920 INFO [stderr]    |
Dec 18 13:42:31.920 INFO [stderr] 44 |     join_handle.join();
Dec 18 13:42:31.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 13:42:31.920 INFO [stderr]    |
Dec 18 13:42:31.920 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:42:31.920 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 13:42:31.921 INFO [stderr] 
Dec 18 13:42:31.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 18 13:42:32.430 INFO running `"docker" "inspect" "6b7af7b12b763d8c40e166dfaeed8bbb0b71e3314209e8fedb7d04be18e00b34"`
Dec 18 13:42:32.828 INFO running `"docker" "rm" "-f" "6b7af7b12b763d8c40e166dfaeed8bbb0b71e3314209e8fedb7d04be18e00b34"`
Dec 18 13:42:33.268 INFO [stdout] 6b7af7b12b763d8c40e166dfaeed8bbb0b71e3314209e8fedb7d04be18e00b34