Dec 12 13:40:24.861 INFO checking graph-0.0.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 13:40:24.861 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 13:40:25.233 INFO [stdout] 73297c5282f8c609e14bf33716a76fa204a39faa0e4585748cc387133e973756
Dec 12 13:40:25.244 INFO running `"docker" "start" "-a" "73297c5282f8c609e14bf33716a76fa204a39faa0e4585748cc387133e973756"`
Dec 12 13:40:26.452 INFO [stderr] usermod: no changes
Dec 12 13:40:26.512 INFO [stderr]     Checking graph v0.0.2 (/source)
Dec 12 13:40:27.264 INFO [stderr] warning: struct is never constructed: `Node`
Dec 12 13:40:27.264 INFO [stderr]  --> src/lib.rs:1:1
Dec 12 13:40:27.264 INFO [stderr]   |
Dec 12 13:40:27.264 INFO [stderr] 1 | struct Node;
Dec 12 13:40:27.264 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 13:40:27.264 INFO [stderr]   |
Dec 12 13:40:27.264 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 13:40:27.264 INFO [stderr] 
Dec 12 13:40:27.264 INFO [stderr] warning: struct is never constructed: `Edge`
Dec 12 13:40:27.264 INFO [stderr]  --> src/lib.rs:3:1
Dec 12 13:40:27.264 INFO [stderr]   |
Dec 12 13:40:27.264 INFO [stderr] 3 | struct Edge;
Dec 12 13:40:27.264 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 13:40:27.264 INFO [stderr] 
Dec 12 13:40:27.264 INFO [stderr] warning: struct is never constructed: `Graph`
Dec 12 13:40:27.264 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 13:40:27.264 INFO [stderr]   |
Dec 12 13:40:27.264 INFO [stderr] 5 | struct Graph;
Dec 12 13:40:27.264 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 12 13:40:27.264 INFO [stderr] 
Dec 12 13:40:27.460 INFO [stderr] warning: struct is never constructed: `Node`
Dec 12 13:40:27.460 INFO [stderr]  --> src/lib.rs:1:1
Dec 12 13:40:27.460 INFO [stderr]   |
Dec 12 13:40:27.460 INFO [stderr] 1 | struct Node;
Dec 12 13:40:27.460 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 13:40:27.460 INFO [stderr]   |
Dec 12 13:40:27.460 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 13:40:27.460 INFO [stderr] 
Dec 12 13:40:27.460 INFO [stderr] warning: struct is never constructed: `Edge`
Dec 12 13:40:27.460 INFO [stderr]  --> src/lib.rs:3:1
Dec 12 13:40:27.460 INFO [stderr]   |
Dec 12 13:40:27.460 INFO [stderr] 3 | struct Edge;
Dec 12 13:40:27.460 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 13:40:27.460 INFO [stderr] 
Dec 12 13:40:27.460 INFO [stderr] warning: struct is never constructed: `Graph`
Dec 12 13:40:27.460 INFO [stderr]  --> src/lib.rs:5:1
Dec 12 13:40:27.460 INFO [stderr]   |
Dec 12 13:40:27.460 INFO [stderr] 5 | struct Graph;
Dec 12 13:40:27.460 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 12 13:40:27.460 INFO [stderr] 
Dec 12 13:40:27.482 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 12 13:40:27.484 INFO [stderr] su: No module specific data is present
Dec 12 13:40:28.074 INFO running `"docker" "inspect" "73297c5282f8c609e14bf33716a76fa204a39faa0e4585748cc387133e973756"`
Dec 12 13:40:28.322 INFO running `"docker" "rm" "-f" "73297c5282f8c609e14bf33716a76fa204a39faa0e4585748cc387133e973756"`
Dec 12 13:40:28.630 INFO [stdout] 73297c5282f8c609e14bf33716a76fa204a39faa0e4585748cc387133e973756