Sep 01 04:55:15.499 INFO checking structopt-derive-0.2.7 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 04:55:15.499 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 04:55:15.499 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:55:15.728 INFO blam! b842c1579b5394ae9452b4f0b5295e15fc1ab0b452b43004ba0cfea35ac62abe
Sep 01 04:55:15.730 INFO running `"docker" "start" "-a" "b842c1579b5394ae9452b4f0b5295e15fc1ab0b452b43004ba0cfea35ac62abe"`
Sep 01 04:55:16.456 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 01 04:55:18.426 INFO kablam!     Checking quote v0.5.2
Sep 01 04:55:20.139 INFO kablam!     Checking syn v0.13.11
Sep 01 04:55:25.065 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Sep 01 04:55:27.684 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 04:55:27.685 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 04:55:27.685 INFO kablam!     |
Sep 01 04:55:27.685 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 04:55:27.685 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:55:27.688 INFO kablam!     |
Sep 01 04:55:27.688 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 04:55:27.688 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 04:55:27.688 INFO kablam! 
Sep 01 04:55:27.720 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 04:55:27.721 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 04:55:27.721 INFO kablam!     |
Sep 01 04:55:27.721 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 04:55:27.721 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:55:27.721 INFO kablam!     |
Sep 01 04:55:27.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 04:55:27.721 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 04:55:27.721 INFO kablam! 
Sep 01 04:55:27.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
Sep 01 04:55:27.817 INFO kablam! su: No module specific data is present
Sep 01 04:55:28.380 INFO running `"docker" "rm" "-f" "b842c1579b5394ae9452b4f0b5295e15fc1ab0b452b43004ba0cfea35ac62abe"`
Sep 01 04:55:28.527 INFO blam! b842c1579b5394ae9452b4f0b5295e15fc1ab0b452b43004ba0cfea35ac62abe