Aug 31 12:00:38.587 INFO checking structopt-derive-0.2.7 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 12:00:38.587 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 12:00:38.588 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 12:00:38.810 INFO blam! 84fc6d8fc6cfc3a0c5dcb02d470147d55586989ab14d6dd1f05db65bd7829f4e
Aug 31 12:00:38.813 INFO running `"docker" "start" "-a" "84fc6d8fc6cfc3a0c5dcb02d470147d55586989ab14d6dd1f05db65bd7829f4e"`
Aug 31 12:00:39.579 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Aug 31 12:00:42.563 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 31 12:00:42.563 INFO kablam!    --> src/attrs.rs:231:38
Aug 31 12:00:42.563 INFO kablam!     |
Aug 31 12:00:42.563 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 31 12:00:42.563 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 12:00:42.563 INFO kablam!     |
Aug 31 12:00:42.563 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 12:00:42.564 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 31 12:00:42.564 INFO kablam! 
Aug 31 12:00:42.564 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 31 12:00:42.564 INFO kablam!    --> src/attrs.rs:231:38
Aug 31 12:00:42.564 INFO kablam!     |
Aug 31 12:00:42.564 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 31 12:00:42.564 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 12:00:42.564 INFO kablam!     |
Aug 31 12:00:42.564 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 31 12:00:42.564 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Aug 31 12:00:42.564 INFO kablam! 
Aug 31 12:00:42.650 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
Aug 31 12:00:42.654 INFO kablam! su: No module specific data is present
Aug 31 12:00:43.045 INFO running `"docker" "rm" "-f" "84fc6d8fc6cfc3a0c5dcb02d470147d55586989ab14d6dd1f05db65bd7829f4e"`
Aug 31 12:00:43.156 INFO blam! 84fc6d8fc6cfc3a0c5dcb02d470147d55586989ab14d6dd1f05db65bd7829f4e