Dec 11 20:11:58.082 INFO checking danbruder/citybuilder against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:11:58.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 20:11:58.580 INFO [stdout] 1f4c397ee51cb764d0cd075f32282f91cc246f50e8327d0e39ce13134f89a534
Dec 11 20:11:58.588 INFO running `"docker" "start" "-a" "1f4c397ee51cb764d0cd075f32282f91cc246f50e8327d0e39ce13134f89a534"`
Dec 11 20:11:59.816 INFO [stderr] usermod: no changes
Dec 11 20:11:59.900 INFO [stderr]     Checking citybuilder v0.1.0 (/source)
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 11 20:12:00.417 INFO [stderr]  --> src/main.rs:3:5
Dec 11 20:12:00.417 INFO [stderr]   |
Dec 11 20:12:00.417 INFO [stderr] 3 |     Soil,
Dec 11 20:12:00.417 INFO [stderr]   |     ^^^^
Dec 11 20:12:00.417 INFO [stderr]   |
Dec 11 20:12:00.417 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 11 20:12:00.417 INFO [stderr]  --> src/main.rs:4:5
Dec 11 20:12:00.417 INFO [stderr]   |
Dec 11 20:12:00.417 INFO [stderr] 4 |     Stone,
Dec 11 20:12:00.417 INFO [stderr]   |     ^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Tree`
Dec 11 20:12:00.417 INFO [stderr]  --> src/main.rs:9:5
Dec 11 20:12:00.417 INFO [stderr]   |
Dec 11 20:12:00.417 INFO [stderr] 9 |     Tree,
Dec 11 20:12:00.417 INFO [stderr]   |     ^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:10:5
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 10 |     Soil,
Dec 11 20:12:00.417 INFO [stderr]    |     ^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:11:5
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 11 |     Stone,
Dec 11 20:12:00.417 INFO [stderr]    |     ^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Orc`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:16:5
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 16 |     Orc,
Dec 11 20:12:00.417 INFO [stderr]    |     ^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: variant is never constructed: `Human`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:17:5
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 17 |     Human,
Dec 11 20:12:00.417 INFO [stderr]    |     ^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: struct is never constructed: `Square`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:20:1
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 20 | struct Square {
Dec 11 20:12:00.417 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: struct is never constructed: `Grid`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:26:1
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 26 | struct Grid {
Dec 11 20:12:00.417 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.417 INFO [stderr] warning: method is never used: `generate_empty`
Dec 11 20:12:00.417 INFO [stderr]   --> src/main.rs:32:5
Dec 11 20:12:00.417 INFO [stderr]    |
Dec 11 20:12:00.417 INFO [stderr] 32 |     fn generate_empty(size_x: usize, size_y: usize) -> Grid {
Dec 11 20:12:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:12:00.417 INFO [stderr] 
Dec 11 20:12:00.616 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 11 20:12:00.616 INFO [stderr]  --> src/main.rs:4:5
Dec 11 20:12:00.616 INFO [stderr]   |
Dec 11 20:12:00.616 INFO [stderr] 4 |     Stone,
Dec 11 20:12:00.616 INFO [stderr]   |     ^^^^^
Dec 11 20:12:00.616 INFO [stderr]   |
Dec 11 20:12:00.616 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:12:00.616 INFO [stderr] 
Dec 11 20:12:00.616 INFO [stderr] warning: variant is never constructed: `Tree`
Dec 11 20:12:00.616 INFO [stderr]  --> src/main.rs:9:5
Dec 11 20:12:00.616 INFO [stderr]   |
Dec 11 20:12:00.616 INFO [stderr] 9 |     Tree,
Dec 11 20:12:00.616 INFO [stderr]   |     ^^^^
Dec 11 20:12:00.616 INFO [stderr] 
Dec 11 20:12:00.616 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 11 20:12:00.617 INFO [stderr]   --> src/main.rs:10:5
Dec 11 20:12:00.617 INFO [stderr]    |
Dec 11 20:12:00.617 INFO [stderr] 10 |     Soil,
Dec 11 20:12:00.617 INFO [stderr]    |     ^^^^
Dec 11 20:12:00.617 INFO [stderr] 
Dec 11 20:12:00.617 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 11 20:12:00.617 INFO [stderr]   --> src/main.rs:11:5
Dec 11 20:12:00.617 INFO [stderr]    |
Dec 11 20:12:00.617 INFO [stderr] 11 |     Stone,
Dec 11 20:12:00.617 INFO [stderr]    |     ^^^^^
Dec 11 20:12:00.617 INFO [stderr] 
Dec 11 20:12:00.617 INFO [stderr] warning: variant is never constructed: `Orc`
Dec 11 20:12:00.617 INFO [stderr]   --> src/main.rs:16:5
Dec 11 20:12:00.617 INFO [stderr]    |
Dec 11 20:12:00.617 INFO [stderr] 16 |     Orc,
Dec 11 20:12:00.617 INFO [stderr]    |     ^^^
Dec 11 20:12:00.617 INFO [stderr] 
Dec 11 20:12:00.617 INFO [stderr] warning: variant is never constructed: `Human`
Dec 11 20:12:00.617 INFO [stderr]   --> src/main.rs:17:5
Dec 11 20:12:00.617 INFO [stderr]    |
Dec 11 20:12:00.617 INFO [stderr] 17 |     Human,
Dec 11 20:12:00.617 INFO [stderr]    |     ^^^^^
Dec 11 20:12:00.617 INFO [stderr] 
Dec 11 20:12:00.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 11 20:12:00.656 INFO [stderr] su: No module specific data is present
Dec 11 20:12:01.234 INFO running `"docker" "inspect" "1f4c397ee51cb764d0cd075f32282f91cc246f50e8327d0e39ce13134f89a534"`
Dec 11 20:12:01.620 INFO running `"docker" "rm" "-f" "1f4c397ee51cb764d0cd075f32282f91cc246f50e8327d0e39ce13134f89a534"`
Dec 11 20:12:01.924 INFO [stdout] 1f4c397ee51cb764d0cd075f32282f91cc246f50e8327d0e39ce13134f89a534