Sep 10 04:55:29.288 INFO checking azengard/hello-rust against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 04:55:29.288 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 04:55:29.288 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 04:55:29.638 INFO blam! 78c7121aec01f97f85612498a5299de2ff7fd321d83c3ae511aeefddfeb4bd55
Sep 10 04:55:29.640 INFO running `"docker" "start" "-a" "78c7121aec01f97f85612498a5299de2ff7fd321d83c3ae511aeefddfeb4bd55"`
Sep 10 04:55:30.742 INFO kablam! usermod: no changes
Sep 10 04:55:30.802 INFO kablam!     Checking libc v0.2.32
Sep 10 04:55:32.582 INFO kablam!     Checking rand v0.3.17
Sep 10 04:55:34.074 INFO kablam!     Checking hello-rust v0.1.0 (file:///source)
Sep 10 04:55:34.530 INFO kablam! warning: struct is never constructed: `Nil`
Sep 10 04:55:34.530 INFO kablam!   --> src/main.rs:80:1
Sep 10 04:55:34.530 INFO kablam!    |
Sep 10 04:55:34.530 INFO kablam! 80 | struct Nil; // unit struct
Sep 10 04:55:34.530 INFO kablam!    | ^^^^^^^^^^^
Sep 10 04:55:34.530 INFO kablam!    |
Sep 10 04:55:34.530 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 04:55:34.530 INFO kablam! 
Sep 10 04:55:34.530 INFO kablam! warning: struct is never constructed: `Pair`
Sep 10 04:55:34.530 INFO kablam!   --> src/main.rs:82:1
Sep 10 04:55:34.530 INFO kablam!    |
Sep 10 04:55:34.530 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 10 04:55:34.530 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 04:55:34.530 INFO kablam! 
Sep 10 04:55:34.697 INFO kablam! warning: struct is never constructed: `Nil`
Sep 10 04:55:34.697 INFO kablam!   --> src/main.rs:80:1
Sep 10 04:55:34.697 INFO kablam!    |
Sep 10 04:55:34.697 INFO kablam! 80 | struct Nil; // unit struct
Sep 10 04:55:34.697 INFO kablam!    | ^^^^^^^^^^^
Sep 10 04:55:34.697 INFO kablam!    |
Sep 10 04:55:34.697 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 04:55:34.697 INFO kablam! 
Sep 10 04:55:34.697 INFO kablam! warning: struct is never constructed: `Pair`
Sep 10 04:55:34.697 INFO kablam!   --> src/main.rs:82:1
Sep 10 04:55:34.697 INFO kablam!    |
Sep 10 04:55:34.697 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 10 04:55:34.698 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 04:55:34.698 INFO kablam! 
Sep 10 04:55:34.750 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Sep 10 04:55:34.754 INFO kablam! su: No module specific data is present
Sep 10 04:55:35.741 INFO running `"docker" "rm" "-f" "78c7121aec01f97f85612498a5299de2ff7fd321d83c3ae511aeefddfeb4bd55"`
Sep 10 04:55:35.863 INFO blam! 78c7121aec01f97f85612498a5299de2ff7fd321d83c3ae511aeefddfeb4bd55