Sep 10 08:17:52.977 INFO checking structopt-derive-0.2.7 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 08:17:52.977 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 08:17:52.977 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 08:17:53.217 INFO blam! f88c7060737470664cd8acf859e2a2b1fad1d770d5ef1339ce7527f686be8a23
Sep 10 08:17:53.217 INFO running `"docker" "start" "-a" "f88c7060737470664cd8acf859e2a2b1fad1d770d5ef1339ce7527f686be8a23"`
Sep 10 08:17:54.022 INFO kablam! usermod: no changes
Sep 10 08:17:54.154 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 10 08:17:55.629 INFO kablam!     Checking quote v0.5.2
Sep 10 08:17:56.360 INFO kablam!     Checking syn v0.13.11
Sep 10 08:17:59.813 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Sep 10 08:18:01.042 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 10 08:18:01.042 INFO kablam!    --> src/attrs.rs:231:38
Sep 10 08:18:01.042 INFO kablam!     |
Sep 10 08:18:01.042 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 10 08:18:01.042 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 08:18:01.042 INFO kablam!     |
Sep 10 08:18:01.042 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 08:18:01.042 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 10 08:18:01.042 INFO kablam! 
Sep 10 08:18:01.126 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 10 08:18:01.126 INFO kablam!    --> src/attrs.rs:231:38
Sep 10 08:18:01.126 INFO kablam!     |
Sep 10 08:18:01.126 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 10 08:18:01.126 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 08:18:01.126 INFO kablam!     |
Sep 10 08:18:01.126 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 08:18:01.126 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 10 08:18:01.126 INFO kablam! 
Sep 10 08:18:01.190 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
Sep 10 08:18:01.190 INFO kablam! su: No module specific data is present
Sep 10 08:18:02.410 INFO running `"docker" "rm" "-f" "f88c7060737470664cd8acf859e2a2b1fad1d770d5ef1339ce7527f686be8a23"`
Sep 10 08:18:02.507 INFO blam! f88c7060737470664cd8acf859e2a2b1fad1d770d5ef1339ce7527f686be8a23