Oct 13 00:50:02.708 INFO checking azengard/hello-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:50:02.708 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 00:50:02.963 INFO blam! ddae790c24211e2ad9d0a93dfc9f22263d020aba2ac70ec47f6ce2273800ce97
Oct 13 00:50:02.965 INFO running `"docker" "start" "-a" "ddae790c24211e2ad9d0a93dfc9f22263d020aba2ac70ec47f6ce2273800ce97"`
Oct 13 00:50:03.552 INFO kablam! usermod: no changes
Oct 13 00:50:03.602 INFO kablam!     Checking hello-rust v0.1.0 (/source)
Oct 13 00:50:04.327 INFO kablam! warning: struct is never constructed: `Nil`
Oct 13 00:50:04.327 INFO kablam!   --> src/main.rs:80:1
Oct 13 00:50:04.336 INFO kablam!    |
Oct 13 00:50:04.337 INFO kablam! 80 | struct Nil; // unit struct
Oct 13 00:50:04.337 INFO kablam!    | ^^^^^^^^^^^
Oct 13 00:50:04.338 INFO kablam!    |
Oct 13 00:50:04.339 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:50:04.339 INFO kablam! 
Oct 13 00:50:04.340 INFO kablam! warning: struct is never constructed: `Pair`
Oct 13 00:50:04.340 INFO kablam!   --> src/main.rs:82:1
Oct 13 00:50:04.341 INFO kablam!    |
Oct 13 00:50:04.342 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Oct 13 00:50:04.342 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:50:04.343 INFO kablam! 
Oct 13 00:50:04.411 INFO kablam! warning: struct is never constructed: `Nil`
Oct 13 00:50:04.411 INFO kablam!   --> src/main.rs:80:1
Oct 13 00:50:04.411 INFO kablam!    |
Oct 13 00:50:04.411 INFO kablam! 80 | struct Nil; // unit struct
Oct 13 00:50:04.411 INFO kablam!    | ^^^^^^^^^^^
Oct 13 00:50:04.411 INFO kablam!    |
Oct 13 00:50:04.411 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 00:50:04.411 INFO kablam! 
Oct 13 00:50:04.413 INFO kablam! warning: struct is never constructed: `Pair`
Oct 13 00:50:04.413 INFO kablam!   --> src/main.rs:82:1
Oct 13 00:50:04.413 INFO kablam!    |
Oct 13 00:50:04.413 INFO kablam! 82 | struct Pair(i32, f32); //tuple struct
Oct 13 00:50:04.413 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:50:04.413 INFO kablam! 
Oct 13 00:50:04.461 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Oct 13 00:50:04.470 INFO kablam! su: No module specific data is present
Oct 13 00:50:04.796 INFO running `"docker" "rm" "-f" "ddae790c24211e2ad9d0a93dfc9f22263d020aba2ac70ec47f6ce2273800ce97"`
Oct 13 00:50:04.936 INFO blam! ddae790c24211e2ad9d0a93dfc9f22263d020aba2ac70ec47f6ce2273800ce97