Sep 10 04:55:31.013 INFO checking azengard/hello-rust against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 04:55:31.013 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 04:55:31.013 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 04:55:31.247 INFO blam! f56df47ff41672d8e0a86dfe3eff34f05f604cbcc1734e9378665e712a2e176c
Sep 10 04:55:31.249 INFO running `"docker" "start" "-a" "f56df47ff41672d8e0a86dfe3eff34f05f604cbcc1734e9378665e712a2e176c"`
Sep 10 04:55:32.752 INFO kablam! usermod: no changes
Sep 10 04:55:32.815 INFO kablam!     Checking hello-rust v0.1.0 (file:///source)
Sep 10 04:55:33.267 INFO kablam! warning: struct is never constructed: `Nil`
Sep 10 04:55:33.267 INFO kablam!   --> src/main.rs:80:1
Sep 10 04:55:33.267 INFO kablam!    |
Sep 10 04:55:33.267 INFO kablam! 80 | struct Nil; // unit struct
Sep 10 04:55:33.267 INFO kablam!    | ^^^^^^^^^^^
Sep 10 04:55:33.267 INFO kablam!    |
Sep 10 04:55:33.267 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 04:55:33.267 INFO kablam! 
Sep 10 04:55:33.267 INFO kablam! warning: struct is never constructed: `Pair`
Sep 10 04:55:33.267 INFO kablam!   --> src/main.rs:82:1
Sep 10 04:55:33.267 INFO kablam!    |
Sep 10 04:55:33.267 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 10 04:55:33.267 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 04:55:33.267 INFO kablam! 
Sep 10 04:55:33.321 INFO kablam! warning: struct is never constructed: `Nil`
Sep 10 04:55:33.321 INFO kablam!   --> src/main.rs:80:1
Sep 10 04:55:33.321 INFO kablam!    |
Sep 10 04:55:33.321 INFO kablam! 80 | struct Nil; // unit struct
Sep 10 04:55:33.321 INFO kablam!    | ^^^^^^^^^^^
Sep 10 04:55:33.330 INFO kablam!    |
Sep 10 04:55:33.330 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 04:55:33.330 INFO kablam! 
Sep 10 04:55:33.330 INFO kablam! warning: struct is never constructed: `Pair`
Sep 10 04:55:33.330 INFO kablam!   --> src/main.rs:82:1
Sep 10 04:55:33.330 INFO kablam!    |
Sep 10 04:55:33.330 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 10 04:55:33.330 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 04:55:33.330 INFO kablam! 
Sep 10 04:55:33.402 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Sep 10 04:55:33.405 INFO kablam! su: No module specific data is present
Sep 10 04:55:35.120 INFO running `"docker" "rm" "-f" "f56df47ff41672d8e0a86dfe3eff34f05f604cbcc1734e9378665e712a2e176c"`
Sep 10 04:55:35.234 INFO blam! f56df47ff41672d8e0a86dfe3eff34f05f604cbcc1734e9378665e712a2e176c