Dec 15 22:19:58.143 INFO testing arenatree-0.1.3 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 22:19:58.144 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 22:19:58.831 INFO [stdout] b38342b09c7c956f61ae58c0727b75974d1dbf1618952ce1e02992e9d103a70b
Dec 15 22:19:58.834 INFO running `"docker" "start" "-a" "b38342b09c7c956f61ae58c0727b75974d1dbf1618952ce1e02992e9d103a70b"`
Dec 15 22:20:00.146 INFO [stderr] usermod: no changes
Dec 15 22:20:00.223 INFO [stderr]    Compiling arenatree v0.1.3 (/source)
Dec 15 22:20:01.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 15 22:20:01.219 INFO [stderr] su: No module specific data is present
Dec 15 22:20:02.258 INFO running `"docker" "inspect" "b38342b09c7c956f61ae58c0727b75974d1dbf1618952ce1e02992e9d103a70b"`
Dec 15 22:20:02.509 INFO running `"docker" "rm" "-f" "b38342b09c7c956f61ae58c0727b75974d1dbf1618952ce1e02992e9d103a70b"`
Dec 15 22:20:02.803 INFO [stdout] b38342b09c7c956f61ae58c0727b75974d1dbf1618952ce1e02992e9d103a70b
Dec 15 22:20:02.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 22:20:03.255 INFO [stdout] 20c0a5fc5325520d44ebb317ca1d92c0e633c5014177728a437570d4136e87b7
Dec 15 22:20:03.263 INFO running `"docker" "start" "-a" "20c0a5fc5325520d44ebb317ca1d92c0e633c5014177728a437570d4136e87b7"`
Dec 15 22:20:04.269 INFO [stderr] usermod: no changes
Dec 15 22:20:04.308 INFO [stderr]    Compiling arenatree v0.1.3 (/source)
Dec 15 22:20:05.529 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Dec 15 22:20:05.531 INFO [stderr] su: No module specific data is present
Dec 15 22:20:05.945 INFO running `"docker" "inspect" "20c0a5fc5325520d44ebb317ca1d92c0e633c5014177728a437570d4136e87b7"`
Dec 15 22:20:06.113 INFO running `"docker" "rm" "-f" "20c0a5fc5325520d44ebb317ca1d92c0e633c5014177728a437570d4136e87b7"`
Dec 15 22:20:06.287 INFO [stdout] 20c0a5fc5325520d44ebb317ca1d92c0e633c5014177728a437570d4136e87b7
Dec 15 22:20:06.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 22:20:06.532 INFO [stdout] 507f5d33fe8087a0b133e17c66ed4e09b9a8c73cff4931ce13af63725ccbfcb1
Dec 15 22:20:06.539 INFO running `"docker" "start" "-a" "507f5d33fe8087a0b133e17c66ed4e09b9a8c73cff4931ce13af63725ccbfcb1"`
Dec 15 22:20:07.992 INFO [stderr] usermod: no changes
Dec 15 22:20:08.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 22:20:08.055 INFO [stderr]      Running /target/debug/deps/arenatree-9cc025af5ed983ba
Dec 15 22:20:08.059 INFO [stdout] 
Dec 15 22:20:08.059 INFO [stdout] running 2 tests
Dec 15 22:20:08.067 INFO [stdout] test arena::tests::it_should_return_node_ids ... ok
Dec 15 22:20:08.067 INFO [stdout] test arena::tests::it_should_not_return_node_ids_of_removed_elements ... ok
Dec 15 22:20:08.067 INFO [stdout] 
Dec 15 22:20:08.067 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 22:20:08.067 INFO [stdout] 
Dec 15 22:20:08.067 INFO [stderr]    Doc-tests arenatree
Dec 15 22:20:09.187 INFO [stdout] 
Dec 15 22:20:09.187 INFO [stdout] running 0 tests
Dec 15 22:20:09.187 INFO [stdout] 
Dec 15 22:20:09.187 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 22:20:09.187 INFO [stdout] 
Dec 15 22:20:09.207 INFO [stderr] su: No module specific data is present
Dec 15 22:20:09.699 INFO running `"docker" "inspect" "507f5d33fe8087a0b133e17c66ed4e09b9a8c73cff4931ce13af63725ccbfcb1"`
Dec 15 22:20:09.989 INFO running `"docker" "rm" "-f" "507f5d33fe8087a0b133e17c66ed4e09b9a8c73cff4931ce13af63725ccbfcb1"`
Dec 15 22:20:10.276 INFO [stdout] 507f5d33fe8087a0b133e17c66ed4e09b9a8c73cff4931ce13af63725ccbfcb1