Nov 17 09:31:09.077 INFO testing amccreight/heapgraph against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 09:31:09.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 09:31:09.277 INFO [stdout] 98d25236aebd92b23dc0fc84790df24d9899d18ac399adc252e99f2fd912ec24
Nov 17 09:31:09.279 INFO running `"docker" "start" "-a" "98d25236aebd92b23dc0fc84790df24d9899d18ac399adc252e99f2fd912ec24"`
Nov 17 09:31:09.833 INFO [stderr] usermod: no changes
Nov 17 09:31:09.889 INFO [stderr]    Compiling regex-syntax v0.3.7
Nov 17 09:31:13.683 INFO [stderr]    Compiling regex v0.1.77
Nov 17 09:31:20.426 INFO [stderr]    Compiling heapgraph_rust v0.1.0 (/source)
Nov 17 09:31:21.203 INFO [stderr] warning: function is never used: `print_known_edges`
Nov 17 09:31:21.203 INFO [stderr]   --> src/find_roots.rs:31:1
Nov 17 09:31:21.203 INFO [stderr]    |
Nov 17 09:31:21.203 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Nov 17 09:31:21.203 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 09:31:21.203 INFO [stderr]    |
Nov 17 09:31:21.203 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 09:31:21.203 INFO [stderr] 
Nov 17 09:31:22.809 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
Nov 17 09:31:22.813 INFO [stderr] su: No module specific data is present
Nov 17 09:31:23.072 INFO running `"docker" "inspect" "98d25236aebd92b23dc0fc84790df24d9899d18ac399adc252e99f2fd912ec24"`
Nov 17 09:31:23.203 INFO running `"docker" "rm" "-f" "98d25236aebd92b23dc0fc84790df24d9899d18ac399adc252e99f2fd912ec24"`
Nov 17 09:31:23.285 INFO [stdout] 98d25236aebd92b23dc0fc84790df24d9899d18ac399adc252e99f2fd912ec24
Nov 17 09:31:23.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 09:31:23.460 INFO [stdout] de81b2925b983907c5e076a8c3a0a030db9f59acca1b89c7276f10935ca31846
Nov 17 09:31:23.462 INFO running `"docker" "start" "-a" "de81b2925b983907c5e076a8c3a0a030db9f59acca1b89c7276f10935ca31846"`
Nov 17 09:31:24.062 INFO [stderr] usermod: no changes
Nov 17 09:31:24.109 INFO [stderr]    Compiling heapgraph_rust v0.1.0 (/source)
Nov 17 09:31:24.990 INFO [stderr] warning: function is never used: `print_known_edges`
Nov 17 09:31:24.990 INFO [stderr]   --> src/find_roots.rs:31:1
Nov 17 09:31:24.990 INFO [stderr]    |
Nov 17 09:31:24.990 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Nov 17 09:31:24.990 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 09:31:24.990 INFO [stderr]    |
Nov 17 09:31:24.990 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 09:31:24.990 INFO [stderr] 
Nov 17 09:31:25.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Nov 17 09:31:25.236 INFO [stderr] su: No module specific data is present
Nov 17 09:31:25.482 INFO running `"docker" "inspect" "de81b2925b983907c5e076a8c3a0a030db9f59acca1b89c7276f10935ca31846"`
Nov 17 09:31:25.546 INFO running `"docker" "rm" "-f" "de81b2925b983907c5e076a8c3a0a030db9f59acca1b89c7276f10935ca31846"`
Nov 17 09:31:25.630 INFO [stdout] de81b2925b983907c5e076a8c3a0a030db9f59acca1b89c7276f10935ca31846
Nov 17 09:31:25.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 09:31:25.795 INFO [stdout] ec3b61738ae9bda03df0fa07d90b717f6c306777f79d12f8c09c3557b68c860a
Nov 17 09:31:25.795 INFO running `"docker" "start" "-a" "ec3b61738ae9bda03df0fa07d90b717f6c306777f79d12f8c09c3557b68c860a"`
Nov 17 09:31:26.263 INFO [stderr] usermod: no changes
Nov 17 09:31:26.312 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 17 09:31:26.323 INFO [stderr]      Running /target/debug/deps/heapgraph_rust-41bb475a8f2d317f
Nov 17 09:31:26.328 INFO [stdout] 
Nov 17 09:31:26.328 INFO [stdout] running 0 tests
Nov 17 09:31:26.328 INFO [stdout] 
Nov 17 09:31:26.328 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 09:31:26.328 INFO [stdout] 
Nov 17 09:31:26.331 INFO [stderr] su: No module specific data is present
Nov 17 09:31:26.569 INFO running `"docker" "inspect" "ec3b61738ae9bda03df0fa07d90b717f6c306777f79d12f8c09c3557b68c860a"`
Nov 17 09:31:26.702 INFO running `"docker" "rm" "-f" "ec3b61738ae9bda03df0fa07d90b717f6c306777f79d12f8c09c3557b68c860a"`
Nov 17 09:31:26.804 INFO [stdout] ec3b61738ae9bda03df0fa07d90b717f6c306777f79d12f8c09c3557b68c860a