Sep 19 19:25:52.345 INFO checking structopt-derive-0.2.7 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:25:52.345 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:25:52.345 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:25:52.504 INFO blam! 9fd1f2137314dc265906f02db0270282e2dff5e59bb607b9b05140f31003dce2
Sep 19 19:25:52.506 INFO running `"docker" "start" "-a" "9fd1f2137314dc265906f02db0270282e2dff5e59bb607b9b05140f31003dce2"`
Sep 19 19:25:53.261 INFO kablam! usermod: no changes
Sep 19 19:25:53.289 INFO kablam!     Checking proc-macro2 v0.3.8
Sep 19 19:25:54.521 INFO kablam!     Checking quote v0.5.2
Sep 19 19:25:55.426 INFO kablam!     Checking syn v0.13.11
Sep 19 19:25:59.270 INFO kablam!     Checking structopt-derive v0.2.7 (/source)
Sep 19 19:26:01.322 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 19 19:26:01.322 INFO kablam!    --> src/attrs.rs:231:38
Sep 19 19:26:01.322 INFO kablam!     |
Sep 19 19:26:01.322 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 19 19:26:01.322 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:26:01.322 INFO kablam!     |
Sep 19 19:26:01.322 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:26:01.322 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 19 19:26:01.322 INFO kablam! 
Sep 19 19:26:01.373 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Sep 19 19:26:01.373 INFO kablam!    --> src/attrs.rs:231:38
Sep 19 19:26:01.373 INFO kablam!     |
Sep 19 19:26:01.373 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Sep 19 19:26:01.373 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:26:01.373 INFO kablam!     |
Sep 19 19:26:01.373 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:26:01.373 INFO kablam!     = note: this returns the replaced string as a new allocation, without modifying the original
Sep 19 19:26:01.373 INFO kablam! 
Sep 19 19:26:01.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
Sep 19 19:26:01.438 INFO kablam! su: No module specific data is present
Sep 19 19:26:02.373 INFO running `"docker" "rm" "-f" "9fd1f2137314dc265906f02db0270282e2dff5e59bb607b9b05140f31003dce2"`
Sep 19 19:26:02.465 INFO blam! 9fd1f2137314dc265906f02db0270282e2dff5e59bb607b9b05140f31003dce2