Aug 17 09:13:05.086 INFO checking structopt-derive-0.2.7 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 09:13:05.086 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:13:05.086 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:13:05.086 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 09:13:05.349 INFO blam! ae4fc148be78ad40437ef51c050a960f39c29881747d834b54ea1fb1a102a2f8
Aug 17 09:13:05.352 INFO running `"docker" "start" "-a" "ae4fc148be78ad40437ef51c050a960f39c29881747d834b54ea1fb1a102a2f8"`
Aug 17 09:13:06.327 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 17 09:13:09.185 INFO kablam!     Checking quote v0.5.2
Aug 17 09:13:11.077 INFO kablam!     Checking syn v0.13.11
Aug 17 09:13:20.343 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Aug 17 09:13:24.882 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 17 09:13:24.882 INFO kablam!    --> src/attrs.rs:231:38
Aug 17 09:13:24.882 INFO kablam!     |
Aug 17 09:13:24.882 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 17 09:13:24.882 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:13:24.882 INFO kablam!     |
Aug 17 09:13:24.883 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 17 09:13:24.883 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 17 09:13:24.883 INFO kablam! 
Aug 17 09:13:24.911 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 17 09:13:24.911 INFO kablam!    --> src/attrs.rs:231:38
Aug 17 09:13:24.911 INFO kablam!     |
Aug 17 09:13:24.911 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 17 09:13:24.911 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:13:24.911 INFO kablam!     |
Aug 17 09:13:24.911 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 17 09:13:24.911 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 17 09:13:24.911 INFO kablam! 
Aug 17 09:13:25.155 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.88s
Aug 17 09:13:25.158 INFO kablam! su: No module specific data is present
Aug 17 09:13:25.672 INFO running `"docker" "rm" "-f" "ae4fc148be78ad40437ef51c050a960f39c29881747d834b54ea1fb1a102a2f8"`
Aug 17 09:13:25.854 INFO blam! ae4fc148be78ad40437ef51c050a960f39c29881747d834b54ea1fb1a102a2f8