Dec 18 04:06:50.321 INFO checking amccreight/heapgraph against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:06:50.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/amccreight/heapgraph:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:06:50.767 INFO [stdout] a5008b17df7d22a58cf761bbfcaa05d0fb241faba0de84e11535cc24faa3dafd
Dec 18 04:06:50.770 INFO running `"docker" "start" "-a" "a5008b17df7d22a58cf761bbfcaa05d0fb241faba0de84e11535cc24faa3dafd"`
Dec 18 04:06:52.364 INFO [stderr]     Checking heapgraph_rust v0.1.0 (/opt/crater/workdir)
Dec 18 04:06:53.376 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 18 04:06:53.376 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 18 04:06:53.376 INFO [stderr]    |
Dec 18 04:06:53.376 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 18 04:06:53.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:06:53.376 INFO [stderr]    |
Dec 18 04:06:53.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:06:53.376 INFO [stderr] 
Dec 18 04:06:53.512 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 18 04:06:53.512 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 18 04:06:53.512 INFO [stderr]    |
Dec 18 04:06:53.512 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 18 04:06:53.512 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:06:53.512 INFO [stderr]    |
Dec 18 04:06:53.512 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:06:53.512 INFO [stderr] 
Dec 18 04:06:53.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 18 04:06:54.751 INFO running `"docker" "inspect" "a5008b17df7d22a58cf761bbfcaa05d0fb241faba0de84e11535cc24faa3dafd"`
Dec 18 04:06:55.022 INFO running `"docker" "rm" "-f" "a5008b17df7d22a58cf761bbfcaa05d0fb241faba0de84e11535cc24faa3dafd"`
Dec 18 04:06:55.405 INFO [stdout] a5008b17df7d22a58cf761bbfcaa05d0fb241faba0de84e11535cc24faa3dafd