Sep 01 22:10:22.824 INFO checking structopt-derive-0.2.7 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 22:10:22.824 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 22:10:22.824 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/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 22:10:23.038 INFO blam! d9d145323d3e4c3b4ade28ff541d6949f508e1d37635f06aa8d7332d46b731ee
Sep 01 22:10:23.039 INFO running `"docker" "start" "-a" "d9d145323d3e4c3b4ade28ff541d6949f508e1d37635f06aa8d7332d46b731ee"`
Sep 01 22:10:23.641 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Sep 01 22:10:26.336 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 22:10:26.336 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 22:10:26.336 INFO kablam!     |
Sep 01 22:10:26.336 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 22:10:26.336 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 22:10:26.336 INFO kablam!     |
Sep 01 22:10:26.336 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 22:10:26.336 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 22:10:26.336 INFO kablam! 
Sep 01 22:10:26.490 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 01 22:10:26.490 INFO kablam!    --> src/attrs.rs:231:38
Sep 01 22:10:26.491 INFO kablam!     |
Sep 01 22:10:26.491 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 01 22:10:26.491 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 22:10:26.491 INFO kablam!     |
Sep 01 22:10:26.491 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 22:10:26.491 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 01 22:10:26.491 INFO kablam! 
Sep 01 22:10:26.526 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Sep 01 22:10:26.529 INFO kablam! su: No module specific data is present
Sep 01 22:10:26.982 INFO running `"docker" "rm" "-f" "d9d145323d3e4c3b4ade28ff541d6949f508e1d37635f06aa8d7332d46b731ee"`
Sep 01 22:10:27.125 INFO blam! d9d145323d3e4c3b4ade28ff541d6949f508e1d37635f06aa8d7332d46b731ee