Dec 15 15:04:20.971 INFO testing ff-0.4.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 15:04:20.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:04:21.207 INFO [stdout] 0a3b1fe18094cf72044606b0298550b945925a1bf84705b8b1214b325b1784d1
Dec 15 15:04:21.209 INFO running `"docker" "start" "-a" "0a3b1fe18094cf72044606b0298550b945925a1bf84705b8b1214b325b1784d1"`
Dec 15 15:04:21.740 INFO [stderr] usermod: no changes
Dec 15 15:04:21.790 INFO [stderr]    Compiling ff v0.4.0 (/source)
Dec 15 15:04:22.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 15 15:04:22.584 INFO [stderr] su: No module specific data is present
Dec 15 15:04:22.907 INFO running `"docker" "inspect" "0a3b1fe18094cf72044606b0298550b945925a1bf84705b8b1214b325b1784d1"`
Dec 15 15:04:23.027 INFO running `"docker" "rm" "-f" "0a3b1fe18094cf72044606b0298550b945925a1bf84705b8b1214b325b1784d1"`
Dec 15 15:04:23.140 INFO [stdout] 0a3b1fe18094cf72044606b0298550b945925a1bf84705b8b1214b325b1784d1
Dec 15 15:04:23.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:04:23.358 INFO [stdout] db2769fd35ef3009f2708429e9d5b3f8b187e78d7985d2f656c8a170581aa7e5
Dec 15 15:04:23.364 INFO running `"docker" "start" "-a" "db2769fd35ef3009f2708429e9d5b3f8b187e78d7985d2f656c8a170581aa7e5"`
Dec 15 15:04:24.135 INFO [stderr] usermod: no changes
Dec 15 15:04:24.227 INFO [stderr]    Compiling ff v0.4.0 (/source)
Dec 15 15:04:25.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Dec 15 15:04:25.399 INFO [stderr] su: No module specific data is present
Dec 15 15:04:25.729 INFO running `"docker" "inspect" "db2769fd35ef3009f2708429e9d5b3f8b187e78d7985d2f656c8a170581aa7e5"`
Dec 15 15:04:25.819 INFO running `"docker" "rm" "-f" "db2769fd35ef3009f2708429e9d5b3f8b187e78d7985d2f656c8a170581aa7e5"`
Dec 15 15:04:25.935 INFO [stdout] db2769fd35ef3009f2708429e9d5b3f8b187e78d7985d2f656c8a170581aa7e5
Dec 15 15:04:25.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:04:26.182 INFO [stdout] e033d61b84ce3a554faaf9f9cbb2ff0244f843830adaa32390ab2229d7eefba2
Dec 15 15:04:26.184 INFO running `"docker" "start" "-a" "e033d61b84ce3a554faaf9f9cbb2ff0244f843830adaa32390ab2229d7eefba2"`
Dec 15 15:04:26.660 INFO [stderr] usermod: no changes
Dec 15 15:04:26.714 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 15:04:26.727 INFO [stderr]      Running /target/debug/deps/ff-65c9af1e4186d70c
Dec 15 15:04:26.729 INFO [stdout] 
Dec 15 15:04:26.729 INFO [stdout] running 1 test
Dec 15 15:04:26.729 INFO [stdout] test test_bit_iterator ... ok
Dec 15 15:04:26.729 INFO [stdout] 
Dec 15 15:04:26.729 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:04:26.729 INFO [stdout] 
Dec 15 15:04:26.729 INFO [stderr]    Doc-tests ff
Dec 15 15:04:27.814 INFO [stdout] 
Dec 15 15:04:27.814 INFO [stdout] running 0 tests
Dec 15 15:04:27.814 INFO [stdout] 
Dec 15 15:04:27.814 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:04:27.814 INFO [stdout] 
Dec 15 15:04:27.823 INFO [stderr] su: No module specific data is present
Dec 15 15:04:28.273 INFO running `"docker" "inspect" "e033d61b84ce3a554faaf9f9cbb2ff0244f843830adaa32390ab2229d7eefba2"`
Dec 15 15:04:28.355 INFO running `"docker" "rm" "-f" "e033d61b84ce3a554faaf9f9cbb2ff0244f843830adaa32390ab2229d7eefba2"`
Dec 15 15:04:28.452 INFO [stdout] e033d61b84ce3a554faaf9f9cbb2ff0244f843830adaa32390ab2229d7eefba2