Dec 19 20:35:38.342 INFO checking amccreight/heapgraph against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:35:38.342 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:35:38.778 INFO [stdout] 7c7f9c3ea7cf0b9a8ca63add9a08547c84025366090fd2ed9846b3616b15e2fb
Dec 19 20:35:38.780 INFO running `"docker" "start" "-a" "7c7f9c3ea7cf0b9a8ca63add9a08547c84025366090fd2ed9846b3616b15e2fb"`
Dec 19 20:35:40.448 INFO [stderr]     Checking regex v0.1.77
Dec 19 20:35:42.452 INFO [stderr]     Checking heapgraph_rust v0.1.0 (/opt/crater/workdir)
Dec 19 20:35:43.096 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 19 20:35:43.096 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 19 20:35:43.096 INFO [stderr]    |
Dec 19 20:35:43.096 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 19 20:35:43.096 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:35:43.096 INFO [stderr]    |
Dec 19 20:35:43.096 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:35:43.096 INFO [stderr] 
Dec 19 20:35:43.208 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 19 20:35:43.208 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 19 20:35:43.208 INFO [stderr]    |
Dec 19 20:35:43.208 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 19 20:35:43.208 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:35:43.208 INFO [stderr]    |
Dec 19 20:35:43.208 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:35:43.208 INFO [stderr] 
Dec 19 20:35:43.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Dec 19 20:35:44.179 INFO running `"docker" "inspect" "7c7f9c3ea7cf0b9a8ca63add9a08547c84025366090fd2ed9846b3616b15e2fb"`
Dec 19 20:35:44.514 INFO running `"docker" "rm" "-f" "7c7f9c3ea7cf0b9a8ca63add9a08547c84025366090fd2ed9846b3616b15e2fb"`
Dec 19 20:35:44.840 INFO [stdout] 7c7f9c3ea7cf0b9a8ca63add9a08547c84025366090fd2ed9846b3616b15e2fb