Sep 01 04:55:18.379 INFO checking structopt-derive-0.2.7 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 04:55:18.379 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 04:55:18.379 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:55:18.587 INFO blam! 5222422b1b3a7c6a12a0461a33ed9320786101a3803c7cab546a4ddc732445f3
Sep 01 04:55:18.589 INFO running `"docker" "start" "-a" "5222422b1b3a7c6a12a0461a33ed9320786101a3803c7cab546a4ddc732445f3"`
Sep 01 04:55:19.290 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Sep 01 04:55:22.009 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 04:55:22.009 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 04:55:22.009 INFO kablam!     |
Sep 01 04:55:22.009 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 04:55:22.009 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:55:22.009 INFO kablam!     |
Sep 01 04:55:22.009 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 04:55:22.009 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 04:55:22.009 INFO kablam! 
Sep 01 04:55:22.095 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 04:55:22.095 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 04:55:22.096 INFO kablam!     |
Sep 01 04:55:22.096 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 04:55:22.096 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 04:55:22.096 INFO kablam!     |
Sep 01 04:55:22.096 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 04:55:22.096 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 04:55:22.096 INFO kablam! 
Sep 01 04:55:22.159 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Sep 01 04:55:22.161 INFO kablam! su: No module specific data is present
Sep 01 04:55:22.602 INFO running `"docker" "rm" "-f" "5222422b1b3a7c6a12a0461a33ed9320786101a3803c7cab546a4ddc732445f3"`
Sep 01 04:55:22.687 INFO blam! 5222422b1b3a7c6a12a0461a33ed9320786101a3803c7cab546a4ddc732445f3