Nov 01 08:17:41.178 INFO checking azengard/hello-rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 08:17:41.178 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:17:41.496 INFO blam! 8e60a3ee40c3ccbc48bde9623e36d40aa3865bf3bea9d0daf872da64c5f79c6f
Nov 01 08:17:41.508 INFO running `"docker" "start" "-a" "8e60a3ee40c3ccbc48bde9623e36d40aa3865bf3bea9d0daf872da64c5f79c6f"`
Nov 01 08:17:42.475 INFO kablam! usermod: no changes
Nov 01 08:17:42.548 INFO kablam!     Checking hello-rust v0.1.0 (/source)
Nov 01 08:17:43.180 INFO kablam! warning: struct is never constructed: `Nil`
Nov 01 08:17:43.182 INFO kablam!   --> src/main.rs:80:1
Nov 01 08:17:43.184 INFO kablam!    |
Nov 01 08:17:43.186 INFO kablam! 80 | struct Nil; // unit struct
Nov 01 08:17:43.186 INFO kablam!    | ^^^^^^^^^^^
Nov 01 08:17:43.186 INFO kablam! warning: struct is never constructed: `Nil`
Nov 01 08:17:43.186 INFO kablam!   --> src/main.rs:80:1
Nov 01 08:17:43.186 INFO kablam!    |
Nov 01 08:17:43.186 INFO kablam! 80 | struct Nil; // unit struct
Nov 01 08:17:43.186 INFO kablam!    | ^^^^^^^^^^^
Nov 01 08:17:43.186 INFO kablam!    |
Nov 01 08:17:43.186 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 08:17:43.186 INFO kablam! 
Nov 01 08:17:43.186 INFO kablam! warning: struct is never constructed: `Pair`
Nov 01 08:17:43.186 INFO kablam!   --> src/main.rs:82:1
Nov 01 08:17:43.186 INFO kablam!    |
Nov 01 08:17:43.186 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Nov 01 08:17:43.186 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:17:43.186 INFO kablam! 
Nov 01 08:17:43.187 INFO kablam!    |
Nov 01 08:17:43.187 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 08:17:43.187 INFO kablam! 
Nov 01 08:17:43.187 INFO kablam! warning: struct is never constructed: `Pair`
Nov 01 08:17:43.187 INFO kablam!   --> src/main.rs:82:1
Nov 01 08:17:43.187 INFO kablam!    |
Nov 01 08:17:43.187 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Nov 01 08:17:43.187 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:17:43.187 INFO kablam! 
Nov 01 08:17:43.227 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 01 08:17:43.248 INFO kablam! su: No module specific data is present
Nov 01 08:17:43.734 INFO running `"docker" "rm" "-f" "8e60a3ee40c3ccbc48bde9623e36d40aa3865bf3bea9d0daf872da64c5f79c6f"`
Nov 01 08:17:43.980 INFO blam! 8e60a3ee40c3ccbc48bde9623e36d40aa3865bf3bea9d0daf872da64c5f79c6f