Dec 18 01:51:39.213 INFO checking danbruder/citybuilder against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:51:39.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/danbruder/citybuilder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:51:39.656 INFO [stdout] 522dac7d4f17929c00adbaa5f0f5ddb88e4fd2b73b539b54a53604e9232c18a7
Dec 18 01:51:39.660 INFO running `"docker" "start" "-a" "522dac7d4f17929c00adbaa5f0f5ddb88e4fd2b73b539b54a53604e9232c18a7"`
Dec 18 01:51:41.432 INFO [stderr]     Checking citybuilder v0.1.0 (/opt/crater/workdir)
Dec 18 01:51:41.913 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 18 01:51:41.913 INFO [stderr]  --> src/main.rs:3:5
Dec 18 01:51:41.913 INFO [stderr]   |
Dec 18 01:51:41.913 INFO [stderr] 3 |     Soil,
Dec 18 01:51:41.913 INFO [stderr]   |     ^^^^
Dec 18 01:51:41.913 INFO [stderr]   |
Dec 18 01:51:41.913 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:51:41.913 INFO [stderr] 
Dec 18 01:51:41.913 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 18 01:51:41.913 INFO [stderr]  --> src/main.rs:4:5
Dec 18 01:51:41.913 INFO [stderr]   |
Dec 18 01:51:41.913 INFO [stderr] 4 |     Stone,
Dec 18 01:51:41.913 INFO [stderr]   |     ^^^^^
Dec 18 01:51:41.913 INFO [stderr] 
Dec 18 01:51:41.913 INFO [stderr] warning: variant is never constructed: `Tree`
Dec 18 01:51:41.913 INFO [stderr]  --> src/main.rs:9:5
Dec 18 01:51:41.913 INFO [stderr]   |
Dec 18 01:51:41.913 INFO [stderr] 9 |     Tree,
Dec 18 01:51:41.913 INFO [stderr]   |     ^^^^
Dec 18 01:51:41.913 INFO [stderr] 
Dec 18 01:51:41.916 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 18 01:51:41.916 INFO [stderr]   --> src/main.rs:10:5
Dec 18 01:51:41.916 INFO [stderr]    |
Dec 18 01:51:41.916 INFO [stderr] 10 |     Soil,
Dec 18 01:51:41.916 INFO [stderr]    |     ^^^^
Dec 18 01:51:41.916 INFO [stderr] 
Dec 18 01:51:41.916 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 18 01:51:41.916 INFO [stderr]   --> src/main.rs:11:5
Dec 18 01:51:41.916 INFO [stderr]    |
Dec 18 01:51:41.916 INFO [stderr] 11 |     Stone,
Dec 18 01:51:41.916 INFO [stderr]    |     ^^^^^
Dec 18 01:51:41.916 INFO [stderr] 
Dec 18 01:51:41.916 INFO [stderr] warning: variant is never constructed: `Orc`
Dec 18 01:51:41.916 INFO [stderr]   --> src/main.rs:16:5
Dec 18 01:51:41.916 INFO [stderr]    |
Dec 18 01:51:41.916 INFO [stderr] 16 |     Orc,
Dec 18 01:51:41.916 INFO [stderr]    |     ^^^
Dec 18 01:51:41.916 INFO [stderr] 
Dec 18 01:51:41.916 INFO [stderr] warning: variant is never constructed: `Human`
Dec 18 01:51:41.917 INFO [stderr]   --> src/main.rs:17:5
Dec 18 01:51:41.917 INFO [stderr]    |
Dec 18 01:51:41.917 INFO [stderr] 17 |     Human,
Dec 18 01:51:41.917 INFO [stderr]    |     ^^^^^
Dec 18 01:51:41.917 INFO [stderr] 
Dec 18 01:51:41.917 INFO [stderr] warning: struct is never constructed: `Square`
Dec 18 01:51:41.917 INFO [stderr]   --> src/main.rs:20:1
Dec 18 01:51:41.917 INFO [stderr]    |
Dec 18 01:51:41.917 INFO [stderr] 20 | struct Square {
Dec 18 01:51:41.917 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 18 01:51:41.917 INFO [stderr] 
Dec 18 01:51:41.917 INFO [stderr] warning: struct is never constructed: `Grid`
Dec 18 01:51:41.917 INFO [stderr]   --> src/main.rs:26:1
Dec 18 01:51:41.917 INFO [stderr]    |
Dec 18 01:51:41.917 INFO [stderr] 26 | struct Grid {
Dec 18 01:51:41.917 INFO [stderr]    | ^^^^^^^^^^^
Dec 18 01:51:41.917 INFO [stderr] 
Dec 18 01:51:41.917 INFO [stderr] warning: method is never used: `generate_empty`
Dec 18 01:51:41.917 INFO [stderr]   --> src/main.rs:32:5
Dec 18 01:51:41.917 INFO [stderr]    |
Dec 18 01:51:41.917 INFO [stderr] 32 |     fn generate_empty(size_x: usize, size_y: usize) -> Grid {
Dec 18 01:51:41.917 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:51:41.917 INFO [stderr] 
Dec 18 01:51:41.969 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 18 01:51:41.969 INFO [stderr]  --> src/main.rs:4:5
Dec 18 01:51:41.969 INFO [stderr]   |
Dec 18 01:51:41.969 INFO [stderr] 4 |     Stone,
Dec 18 01:51:41.969 INFO [stderr]   |     ^^^^^
Dec 18 01:51:41.969 INFO [stderr]   |
Dec 18 01:51:41.970 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:51:41.970 INFO [stderr] 
Dec 18 01:51:41.970 INFO [stderr] warning: variant is never constructed: `Tree`
Dec 18 01:51:41.970 INFO [stderr]  --> src/main.rs:9:5
Dec 18 01:51:41.970 INFO [stderr]   |
Dec 18 01:51:41.970 INFO [stderr] 9 |     Tree,
Dec 18 01:51:41.970 INFO [stderr]   |     ^^^^
Dec 18 01:51:41.970 INFO [stderr] 
Dec 18 01:51:41.970 INFO [stderr] warning: variant is never constructed: `Soil`
Dec 18 01:51:41.970 INFO [stderr]   --> src/main.rs:10:5
Dec 18 01:51:41.970 INFO [stderr]    |
Dec 18 01:51:41.970 INFO [stderr] 10 |     Soil,
Dec 18 01:51:41.970 INFO [stderr]    |     ^^^^
Dec 18 01:51:41.971 INFO [stderr] 
Dec 18 01:51:41.971 INFO [stderr] warning: variant is never constructed: `Stone`
Dec 18 01:51:41.971 INFO [stderr]   --> src/main.rs:11:5
Dec 18 01:51:41.971 INFO [stderr]    |
Dec 18 01:51:41.971 INFO [stderr] 11 |     Stone,
Dec 18 01:51:41.971 INFO [stderr]    |     ^^^^^
Dec 18 01:51:41.971 INFO [stderr] 
Dec 18 01:51:41.971 INFO [stderr] warning: variant is never constructed: `Orc`
Dec 18 01:51:41.971 INFO [stderr]   --> src/main.rs:16:5
Dec 18 01:51:41.971 INFO [stderr]    |
Dec 18 01:51:41.971 INFO [stderr] 16 |     Orc,
Dec 18 01:51:41.971 INFO [stderr]    |     ^^^
Dec 18 01:51:41.971 INFO [stderr] 
Dec 18 01:51:41.971 INFO [stderr] warning: variant is never constructed: `Human`
Dec 18 01:51:41.971 INFO [stderr]   --> src/main.rs:17:5
Dec 18 01:51:41.971 INFO [stderr]    |
Dec 18 01:51:41.971 INFO [stderr] 17 |     Human,
Dec 18 01:51:41.971 INFO [stderr]    |     ^^^^^
Dec 18 01:51:41.971 INFO [stderr] 
Dec 18 01:51:42.005 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 01:51:42.797 INFO running `"docker" "inspect" "522dac7d4f17929c00adbaa5f0f5ddb88e4fd2b73b539b54a53604e9232c18a7"`
Dec 18 01:51:43.094 INFO running `"docker" "rm" "-f" "522dac7d4f17929c00adbaa5f0f5ddb88e4fd2b73b539b54a53604e9232c18a7"`
Dec 18 01:51:43.456 INFO [stdout] 522dac7d4f17929c00adbaa5f0f5ddb88e4fd2b73b539b54a53604e9232c18a7