Aug 11 00:46:45.005 INFO checking structopt-derive-0.2.7 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 00:46:45.005 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:46:45.006 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:46:45.006 INFO running `"docker" "create" "-v" "/tmp/crater.3QJMQeD8YKbZ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:46:45.228 INFO blam! 04300ba62727fdfdb29a058bbf97b87aabad25d1570ceca167f58539e5dcfd72
Aug 11 00:46:45.230 INFO running `"docker" "start" "-a" "04300ba62727fdfdb29a058bbf97b87aabad25d1570ceca167f58539e5dcfd72"`
Aug 11 00:46:46.440 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 11 00:46:48.662 INFO kablam!     Checking quote v0.5.2
Aug 11 00:46:49.862 INFO kablam!     Checking syn v0.13.11
Aug 11 00:46:57.525 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Aug 11 00:47:01.580 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 11 00:47:01.580 INFO kablam!    --> src/attrs.rs:231:38
Aug 11 00:47:01.580 INFO kablam!     |
Aug 11 00:47:01.580 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 11 00:47:01.580 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 00:47:01.584 INFO kablam!     |
Aug 11 00:47:01.585 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 00:47:01.585 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 11 00:47:01.585 INFO kablam! 
Aug 11 00:47:01.632 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 11 00:47:01.632 INFO kablam!    --> src/attrs.rs:231:38
Aug 11 00:47:01.632 INFO kablam!     |
Aug 11 00:47:01.632 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 11 00:47:01.632 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 00:47:01.632 INFO kablam!     |
Aug 11 00:47:01.632 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 00:47:01.632 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 11 00:47:01.632 INFO kablam! 
Aug 11 00:47:01.733 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.34s
Aug 11 00:47:01.737 INFO kablam! su: No module specific data is present
Aug 11 00:47:02.273 INFO running `"docker" "rm" "-f" "04300ba62727fdfdb29a058bbf97b87aabad25d1570ceca167f58539e5dcfd72"`
Aug 11 00:47:02.498 INFO blam! 04300ba62727fdfdb29a058bbf97b87aabad25d1570ceca167f58539e5dcfd72