Nov 30 21:37:52.609 INFO checking graph-0.0.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 21:37:52.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 21:37:53.155 INFO [stdout] 52c48c1e2ed0846b59a14cf530101c460b887da10256306a05ac9b90b7c26237
Nov 30 21:37:53.157 INFO running `"docker" "start" "-a" "52c48c1e2ed0846b59a14cf530101c460b887da10256306a05ac9b90b7c26237"`
Nov 30 21:37:54.340 INFO [stderr] usermod: no changes
Nov 30 21:37:54.377 INFO [stderr]     Checking graph v0.0.2 (/source)
Nov 30 21:37:54.908 INFO [stderr] warning: struct is never constructed: `Node`
Nov 30 21:37:54.908 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 21:37:54.908 INFO [stderr]   |
Nov 30 21:37:54.908 INFO [stderr] 1 | struct Node;
Nov 30 21:37:54.908 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 21:37:54.908 INFO [stderr]   |
Nov 30 21:37:54.908 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 21:37:54.908 INFO [stderr] 
Nov 30 21:37:54.908 INFO [stderr] warning: struct is never constructed: `Edge`
Nov 30 21:37:54.908 INFO [stderr]  --> src/lib.rs:3:1
Nov 30 21:37:54.908 INFO [stderr]   |
Nov 30 21:37:54.908 INFO [stderr] 3 | struct Edge;
Nov 30 21:37:54.908 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 21:37:54.908 INFO [stderr] 
Nov 30 21:37:54.908 INFO [stderr] warning: struct is never constructed: `Graph`
Nov 30 21:37:54.908 INFO [stderr]  --> src/lib.rs:5:1
Nov 30 21:37:54.908 INFO [stderr]   |
Nov 30 21:37:54.908 INFO [stderr] 5 | struct Graph;
Nov 30 21:37:54.908 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 30 21:37:54.908 INFO [stderr] 
Nov 30 21:37:54.963 INFO [stderr] warning: struct is never constructed: `Node`
Nov 30 21:37:54.963 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 21:37:54.963 INFO [stderr]   |
Nov 30 21:37:55.010 INFO [stderr] 1 | struct Node;
Nov 30 21:37:55.010 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 21:37:55.010 INFO [stderr]   |
Nov 30 21:37:55.010 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 21:37:55.010 INFO [stderr] 
Nov 30 21:37:55.010 INFO [stderr] warning: struct is never constructed: `Edge`
Nov 30 21:37:55.010 INFO [stderr]  --> src/lib.rs:3:1
Nov 30 21:37:55.010 INFO [stderr]   |
Nov 30 21:37:55.010 INFO [stderr] 3 | struct Edge;
Nov 30 21:37:55.010 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 21:37:55.010 INFO [stderr] 
Nov 30 21:37:55.010 INFO [stderr] warning: struct is never constructed: `Graph`
Nov 30 21:37:55.010 INFO [stderr]  --> src/lib.rs:5:1
Nov 30 21:37:55.010 INFO [stderr]   |
Nov 30 21:37:55.010 INFO [stderr] 5 | struct Graph;
Nov 30 21:37:55.010 INFO [stderr]   | ^^^^^^^^^^^^^
Nov 30 21:37:55.010 INFO [stderr] 
Nov 30 21:37:55.010 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Nov 30 21:37:55.010 INFO [stderr] su: No module specific data is present
Nov 30 21:37:55.458 INFO running `"docker" "inspect" "52c48c1e2ed0846b59a14cf530101c460b887da10256306a05ac9b90b7c26237"`
Nov 30 21:37:55.585 INFO running `"docker" "rm" "-f" "52c48c1e2ed0846b59a14cf530101c460b887da10256306a05ac9b90b7c26237"`
Nov 30 21:37:55.848 INFO [stdout] 52c48c1e2ed0846b59a14cf530101c460b887da10256306a05ac9b90b7c26237