Dec 13 17:22:02.560 INFO testing howeih/Day-41-Union-Find against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 17:22:02.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 17:22:02.728 INFO [stdout] 59f839451236b978f26b612b4a2d1a594ab5ce0af736ccf3ccb2559f4e97d9f0
Dec 13 17:22:02.728 INFO running `"docker" "start" "-a" "59f839451236b978f26b612b4a2d1a594ab5ce0af736ccf3ccb2559f4e97d9f0"`
Dec 13 17:22:03.169 INFO [stderr] usermod: no changes
Dec 13 17:22:03.203 INFO [stderr]    Compiling union_find v0.1.0 (/source)
Dec 13 17:22:03.428 INFO [stderr] warning: unused import: `std::iter::Iterator`
Dec 13 17:22:03.428 INFO [stderr]  --> src/main.rs:2:5
Dec 13 17:22:03.428 INFO [stderr]   |
Dec 13 17:22:03.428 INFO [stderr] 2 | use std::iter::Iterator;
Dec 13 17:22:03.428 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 13 17:22:03.428 INFO [stderr]   |
Dec 13 17:22:03.428 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:22:03.428 INFO [stderr] 
Dec 13 17:22:03.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 13 17:22:03.694 INFO [stderr] su: No module specific data is present
Dec 13 17:22:04.011 INFO running `"docker" "inspect" "59f839451236b978f26b612b4a2d1a594ab5ce0af736ccf3ccb2559f4e97d9f0"`
Dec 13 17:22:04.439 INFO running `"docker" "rm" "-f" "59f839451236b978f26b612b4a2d1a594ab5ce0af736ccf3ccb2559f4e97d9f0"`
Dec 13 17:22:04.556 INFO [stdout] 59f839451236b978f26b612b4a2d1a594ab5ce0af736ccf3ccb2559f4e97d9f0
Dec 13 17:22:04.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 17:22:04.849 INFO [stdout] 6a61408f86668afc9a4400950aabd1ac89f6feb0e585ff876c4ad0bba550945d
Dec 13 17:22:04.909 INFO running `"docker" "start" "-a" "6a61408f86668afc9a4400950aabd1ac89f6feb0e585ff876c4ad0bba550945d"`
Dec 13 17:22:05.483 INFO [stderr] usermod: no changes
Dec 13 17:22:05.506 INFO [stderr]    Compiling union_find v0.1.0 (/source)
Dec 13 17:22:05.787 INFO [stderr] warning: unused import: `std::iter::Iterator`
Dec 13 17:22:05.787 INFO [stderr]  --> src/main.rs:2:5
Dec 13 17:22:05.787 INFO [stderr]   |
Dec 13 17:22:05.787 INFO [stderr] 2 | use std::iter::Iterator;
Dec 13 17:22:05.787 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 13 17:22:05.787 INFO [stderr]   |
Dec 13 17:22:05.787 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 17:22:05.787 INFO [stderr] 
Dec 13 17:22:06.018 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 13 17:22:06.020 INFO [stderr] su: No module specific data is present
Dec 13 17:22:06.281 INFO running `"docker" "inspect" "6a61408f86668afc9a4400950aabd1ac89f6feb0e585ff876c4ad0bba550945d"`
Dec 13 17:22:06.344 INFO running `"docker" "rm" "-f" "6a61408f86668afc9a4400950aabd1ac89f6feb0e585ff876c4ad0bba550945d"`
Dec 13 17:22:06.466 INFO [stdout] 6a61408f86668afc9a4400950aabd1ac89f6feb0e585ff876c4ad0bba550945d
Dec 13 17:22:06.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 17:22:06.787 INFO [stdout] 13a5d4f3416a9c552b3f56eed96c79583532fc9fdc53fffd6982c3f7e43d2b87
Dec 13 17:22:06.793 INFO running `"docker" "start" "-a" "13a5d4f3416a9c552b3f56eed96c79583532fc9fdc53fffd6982c3f7e43d2b87"`
Dec 13 17:22:07.425 INFO [stderr] usermod: no changes
Dec 13 17:22:07.447 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 13 17:22:07.447 INFO [stderr]      Running /target/debug/deps/union_find-20df36ab766f1057
Dec 13 17:22:07.448 INFO [stdout] 
Dec 13 17:22:07.448 INFO [stdout] running 0 tests
Dec 13 17:22:07.448 INFO [stdout] 
Dec 13 17:22:07.448 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:22:07.448 INFO [stdout] 
Dec 13 17:22:07.450 INFO [stderr] su: No module specific data is present
Dec 13 17:22:07.672 INFO running `"docker" "inspect" "13a5d4f3416a9c552b3f56eed96c79583532fc9fdc53fffd6982c3f7e43d2b87"`
Dec 13 17:22:07.844 INFO running `"docker" "rm" "-f" "13a5d4f3416a9c552b3f56eed96c79583532fc9fdc53fffd6982c3f7e43d2b87"`
Dec 13 17:22:08.049 INFO [stdout] 13a5d4f3416a9c552b3f56eed96c79583532fc9fdc53fffd6982c3f7e43d2b87