Dec 06 07:04:40.859 INFO testing amccreight/heapgraph against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:04:40.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:04:41.324 INFO [stdout] 87926e1bf37c69673c1185071d5a986cfd8df87eaec84730022bf3363c5286a4
Dec 06 07:04:41.327 INFO running `"docker" "start" "-a" "87926e1bf37c69673c1185071d5a986cfd8df87eaec84730022bf3363c5286a4"`
Dec 06 07:04:42.479 INFO [stderr] usermod: no changes
Dec 06 07:04:42.551 INFO [stderr]    Compiling regex-syntax v0.3.7
Dec 06 07:04:46.056 INFO [stderr]    Compiling regex v0.1.77
Dec 06 07:04:51.384 INFO [stderr]    Compiling heapgraph_rust v0.1.0 (/source)
Dec 06 07:04:52.264 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 06 07:04:52.264 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 06 07:04:52.264 INFO [stderr]    |
Dec 06 07:04:52.264 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 06 07:04:52.264 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:04:52.264 INFO [stderr]    |
Dec 06 07:04:52.264 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 07:04:52.264 INFO [stderr] 
Dec 06 07:04:53.458 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
Dec 06 07:04:53.461 INFO [stderr] su: No module specific data is present
Dec 06 07:04:53.670 INFO running `"docker" "inspect" "87926e1bf37c69673c1185071d5a986cfd8df87eaec84730022bf3363c5286a4"`
Dec 06 07:04:53.738 INFO running `"docker" "rm" "-f" "87926e1bf37c69673c1185071d5a986cfd8df87eaec84730022bf3363c5286a4"`
Dec 06 07:04:53.830 INFO [stdout] 87926e1bf37c69673c1185071d5a986cfd8df87eaec84730022bf3363c5286a4
Dec 06 07:04:53.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:04:54.051 INFO [stdout] 6d89059f516165e67b34a05215e4a27ace1d9c4378453a3ce7f873071ba3ae1c
Dec 06 07:04:54.053 INFO running `"docker" "start" "-a" "6d89059f516165e67b34a05215e4a27ace1d9c4378453a3ce7f873071ba3ae1c"`
Dec 06 07:04:54.517 INFO [stderr] usermod: no changes
Dec 06 07:04:54.566 INFO [stderr]    Compiling heapgraph_rust v0.1.0 (/source)
Dec 06 07:04:55.357 INFO [stderr] warning: function is never used: `print_known_edges`
Dec 06 07:04:55.357 INFO [stderr]   --> src/find_roots.rs:31:1
Dec 06 07:04:55.357 INFO [stderr]    |
Dec 06 07:04:55.357 INFO [stderr] 31 | fn print_known_edges(log: &CCLog, x: &Addr, known_edges: &Vec<Addr>) {
Dec 06 07:04:55.357 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:04:55.357 INFO [stderr]    |
Dec 06 07:04:55.357 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 07:04:55.357 INFO [stderr] 
Dec 06 07:04:55.582 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 06 07:04:55.582 INFO [stderr] su: No module specific data is present
Dec 06 07:04:55.846 INFO running `"docker" "inspect" "6d89059f516165e67b34a05215e4a27ace1d9c4378453a3ce7f873071ba3ae1c"`
Dec 06 07:04:55.950 INFO running `"docker" "rm" "-f" "6d89059f516165e67b34a05215e4a27ace1d9c4378453a3ce7f873071ba3ae1c"`
Dec 06 07:04:56.059 INFO [stdout] 6d89059f516165e67b34a05215e4a27ace1d9c4378453a3ce7f873071ba3ae1c
Dec 06 07:04:56.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 07:04:56.239 INFO [stdout] e82d1eab2b540d6a1d20c3381ebce15a533d197c6cd04ab4b5644d986463819d
Dec 06 07:04:56.242 INFO running `"docker" "start" "-a" "e82d1eab2b540d6a1d20c3381ebce15a533d197c6cd04ab4b5644d986463819d"`
Dec 06 07:04:56.740 INFO [stderr] usermod: no changes
Dec 06 07:04:56.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 07:04:56.785 INFO [stderr]      Running /target/debug/deps/heapgraph_rust-b13c25b1811baa79
Dec 06 07:04:56.787 INFO [stdout] 
Dec 06 07:04:56.787 INFO [stdout] running 0 tests
Dec 06 07:04:56.787 INFO [stdout] 
Dec 06 07:04:56.787 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:04:56.787 INFO [stdout] 
Dec 06 07:04:56.789 INFO [stderr] su: No module specific data is present
Dec 06 07:04:57.145 INFO running `"docker" "inspect" "e82d1eab2b540d6a1d20c3381ebce15a533d197c6cd04ab4b5644d986463819d"`
Dec 06 07:04:57.212 INFO running `"docker" "rm" "-f" "e82d1eab2b540d6a1d20c3381ebce15a533d197c6cd04ab4b5644d986463819d"`
Dec 06 07:04:57.292 INFO [stdout] e82d1eab2b540d6a1d20c3381ebce15a533d197c6cd04ab4b5644d986463819d