Dec 15 15:04:22.445 INFO testing ff-0.4.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 15:04:22.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:04:22.670 INFO [stdout] 31ee6303feae6dd4f8d1941fd83dc43101fedc3e68f6f935c4650869ecdc5e08
Dec 15 15:04:22.672 INFO running `"docker" "start" "-a" "31ee6303feae6dd4f8d1941fd83dc43101fedc3e68f6f935c4650869ecdc5e08"`
Dec 15 15:04:23.291 INFO [stderr] usermod: no changes
Dec 15 15:04:23.357 INFO [stderr]    Compiling ff v0.4.0 (/source)
Dec 15 15:04:24.265 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 15 15:04:24.269 INFO [stderr] su: No module specific data is present
Dec 15 15:04:24.689 INFO running `"docker" "inspect" "31ee6303feae6dd4f8d1941fd83dc43101fedc3e68f6f935c4650869ecdc5e08"`
Dec 15 15:04:24.791 INFO running `"docker" "rm" "-f" "31ee6303feae6dd4f8d1941fd83dc43101fedc3e68f6f935c4650869ecdc5e08"`
Dec 15 15:04:24.903 INFO [stdout] 31ee6303feae6dd4f8d1941fd83dc43101fedc3e68f6f935c4650869ecdc5e08
Dec 15 15:04:24.907 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:04:25.110 INFO [stdout] 794a017c17e623e5237a244f8ea047461516d4b55932581ad1126eda8d4b54db
Dec 15 15:04:25.112 INFO running `"docker" "start" "-a" "794a017c17e623e5237a244f8ea047461516d4b55932581ad1126eda8d4b54db"`
Dec 15 15:04:25.628 INFO [stderr] usermod: no changes
Dec 15 15:04:25.678 INFO [stderr]    Compiling ff v0.4.0 (/source)
Dec 15 15:04:26.834 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 15 15:04:26.839 INFO [stderr] su: No module specific data is present
Dec 15 15:04:27.161 INFO running `"docker" "inspect" "794a017c17e623e5237a244f8ea047461516d4b55932581ad1126eda8d4b54db"`
Dec 15 15:04:27.306 INFO running `"docker" "rm" "-f" "794a017c17e623e5237a244f8ea047461516d4b55932581ad1126eda8d4b54db"`
Dec 15 15:04:27.431 INFO [stdout] 794a017c17e623e5237a244f8ea047461516d4b55932581ad1126eda8d4b54db
Dec 15 15:04:27.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:04:27.848 INFO [stdout] f5a89d2d2bb2f3aec03ba75e64a5cc844cc540a42be461f6b3caa18f973786f3
Dec 15 15:04:27.852 INFO running `"docker" "start" "-a" "f5a89d2d2bb2f3aec03ba75e64a5cc844cc540a42be461f6b3caa18f973786f3"`
Dec 15 15:04:28.463 INFO [stderr] usermod: no changes
Dec 15 15:04:28.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 15 15:04:28.516 INFO [stderr]      Running /target/debug/deps/ff-dbaae1c8f97f1399
Dec 15 15:04:28.518 INFO [stdout] 
Dec 15 15:04:28.518 INFO [stdout] running 1 test
Dec 15 15:04:28.518 INFO [stdout] test test_bit_iterator ... ok
Dec 15 15:04:28.518 INFO [stdout] 
Dec 15 15:04:28.518 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:04:28.518 INFO [stdout] 
Dec 15 15:04:28.518 INFO [stderr]    Doc-tests ff
Dec 15 15:04:29.514 INFO [stdout] 
Dec 15 15:04:29.514 INFO [stdout] running 0 tests
Dec 15 15:04:29.514 INFO [stdout] 
Dec 15 15:04:29.514 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:04:29.514 INFO [stdout] 
Dec 15 15:04:29.523 INFO [stderr] su: No module specific data is present
Dec 15 15:04:29.869 INFO running `"docker" "inspect" "f5a89d2d2bb2f3aec03ba75e64a5cc844cc540a42be461f6b3caa18f973786f3"`
Dec 15 15:04:29.943 INFO running `"docker" "rm" "-f" "f5a89d2d2bb2f3aec03ba75e64a5cc844cc540a42be461f6b3caa18f973786f3"`
Dec 15 15:04:30.065 INFO [stdout] f5a89d2d2bb2f3aec03ba75e64a5cc844cc540a42be461f6b3caa18f973786f3