Aug 31 12:00:37.156 INFO checking structopt-derive-0.2.7 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 12:00:37.156 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 12:00:37.156 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 12:00:37.387 INFO blam! ff76d08c4ffc378e76cef8c588a130fb71bf7ebe028063432e73fcc1bbfdf56f
Aug 31 12:00:37.388 INFO running `"docker" "start" "-a" "ff76d08c4ffc378e76cef8c588a130fb71bf7ebe028063432e73fcc1bbfdf56f"`
Aug 31 12:00:38.011 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Aug 31 12:00:40.551 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 31 12:00:40.551 INFO kablam!    --> src/attrs.rs:231:38
Aug 31 12:00:40.551 INFO kablam!     |
Aug 31 12:00:40.552 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 31 12:00:40.552 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 12:00:40.552 INFO kablam!     |
Aug 31 12:00:40.552 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 12:00:40.552 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 31 12:00:40.552 INFO kablam! 
Aug 31 12:00:40.727 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 31 12:00:40.727 INFO kablam!    --> src/attrs.rs:231:38
Aug 31 12:00:40.727 INFO kablam!     |
Aug 31 12:00:40.727 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 31 12:00:40.727 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 12:00:40.727 INFO kablam!     |
Aug 31 12:00:40.727 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 12:00:40.727 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 31 12:00:40.727 INFO kablam! 
Aug 31 12:00:40.765 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
Aug 31 12:00:40.769 INFO kablam! su: No module specific data is present
Aug 31 12:00:41.284 INFO running `"docker" "rm" "-f" "ff76d08c4ffc378e76cef8c588a130fb71bf7ebe028063432e73fcc1bbfdf56f"`
Aug 31 12:00:41.437 INFO blam! ff76d08c4ffc378e76cef8c588a130fb71bf7ebe028063432e73fcc1bbfdf56f