Sep 05 22:22:27.545 INFO checking structopt-derive-0.2.7 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 22:22:27.545 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 22:22:27.545 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:22:27.780 INFO blam! 8d1dfe9a411e6252d50e2b9d53681d357a0e209b22dd3060f519f19b41863fb7
Sep 05 22:22:27.781 INFO running `"docker" "start" "-a" "8d1dfe9a411e6252d50e2b9d53681d357a0e209b22dd3060f519f19b41863fb7"`
Sep 05 22:22:28.766 INFO kablam! usermod: no changes
Sep 05 22:22:28.838 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 05 22:22:30.318 INFO kablam!     Checking quote v0.5.2
Sep 05 22:22:31.222 INFO kablam!     Checking syn v0.13.11
Sep 05 22:22:35.036 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Sep 05 22:22:36.402 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 05 22:22:36.402 INFO kablam!    --> src/attrs.rs:231:38
Sep 05 22:22:36.402 INFO kablam!     |
Sep 05 22:22:36.403 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 05 22:22:36.403 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 22:22:36.403 INFO kablam!     |
Sep 05 22:22:36.403 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 05 22:22:36.403 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 05 22:22:36.403 INFO kablam! 
Sep 05 22:22:36.469 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 05 22:22:36.469 INFO kablam!    --> src/attrs.rs:231:38
Sep 05 22:22:36.469 INFO kablam!     |
Sep 05 22:22:36.469 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 05 22:22:36.469 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 22:22:36.469 INFO kablam!     |
Sep 05 22:22:36.469 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 05 22:22:36.469 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 05 22:22:36.469 INFO kablam! 
Sep 05 22:22:36.515 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
Sep 05 22:22:36.515 INFO kablam! su: No module specific data is present
Sep 05 22:22:37.033 INFO running `"docker" "rm" "-f" "8d1dfe9a411e6252d50e2b9d53681d357a0e209b22dd3060f519f19b41863fb7"`
Sep 05 22:22:37.189 INFO blam! 8d1dfe9a411e6252d50e2b9d53681d357a0e209b22dd3060f519f19b41863fb7