Sep 01 16:40:50.145 INFO checking azengard/hello-rust against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 16:40:50.145 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:40:50.146 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:40:50.401 INFO blam! 769d465d96a3e174319db33f7a68e900631558ccf69c3da5aed30a86194036df
Sep 01 16:40:50.404 INFO running `"docker" "start" "-a" "769d465d96a3e174319db33f7a68e900631558ccf69c3da5aed30a86194036df"`
Sep 01 16:40:51.347 INFO kablam!     Checking hello-rust v0.1.0 (file:///source)
Sep 01 16:40:51.883 INFO kablam! warning: struct is never constructed: `Nil`
Sep 01 16:40:51.883 INFO kablam!   --> src/main.rs:80:1
Sep 01 16:40:51.883 INFO kablam!    |
Sep 01 16:40:51.883 INFO kablam! 80 | struct Nil; // unit struct
Sep 01 16:40:51.883 INFO kablam!    | ^^^^^^^^^^^
Sep 01 16:40:51.883 INFO kablam!    |
Sep 01 16:40:51.883 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 16:40:51.883 INFO kablam! 
Sep 01 16:40:51.883 INFO kablam! warning: struct is never constructed: `Pair`
Sep 01 16:40:51.883 INFO kablam!   --> src/main.rs:82:1
Sep 01 16:40:51.884 INFO kablam!    |
Sep 01 16:40:51.884 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 01 16:40:51.884 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 01 16:40:51.884 INFO kablam! 
Sep 01 16:40:51.933 INFO kablam! warning: struct is never constructed: `Nil`
Sep 01 16:40:51.933 INFO kablam!   --> src/main.rs:80:1
Sep 01 16:40:51.933 INFO kablam!    |
Sep 01 16:40:51.933 INFO kablam! 80 | struct Nil; // unit struct
Sep 01 16:40:51.934 INFO kablam!    | ^^^^^^^^^^^
Sep 01 16:40:51.934 INFO kablam!    |
Sep 01 16:40:51.934 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 16:40:51.935 INFO kablam! 
Sep 01 16:40:51.935 INFO kablam! warning: struct is never constructed: `Pair`
Sep 01 16:40:51.935 INFO kablam!   --> src/main.rs:82:1
Sep 01 16:40:51.935 INFO kablam!    |
Sep 01 16:40:51.935 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Sep 01 16:40:51.935 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Sep 01 16:40:51.936 INFO kablam! 
Sep 01 16:40:51.988 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Sep 01 16:40:51.991 INFO kablam! su: No module specific data is present
Sep 01 16:40:52.518 INFO running `"docker" "rm" "-f" "769d465d96a3e174319db33f7a68e900631558ccf69c3da5aed30a86194036df"`
Sep 01 16:40:52.710 INFO blam! 769d465d96a3e174319db33f7a68e900631558ccf69c3da5aed30a86194036df