Dec 14 21:26:25.613 INFO testing rustfmt-nightly-1.0.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 21:26:25.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 21:26:26.108 INFO [stdout] 462e707e963e4b473543600f31dceef163073aa9883c0b8a538a74418ddff9ae
Dec 14 21:26:26.112 INFO running `"docker" "start" "-a" "462e707e963e4b473543600f31dceef163073aa9883c0b8a538a74418ddff9ae"`
Dec 14 21:26:27.285 INFO [stderr] usermod: no changes
Dec 14 21:26:27.615 INFO [stderr]    Compiling rustfmt-nightly v1.0.0 (/source)
Dec 14 21:26:27.619 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 14 21:26:27.620 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Dec 14 21:26:27.620 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 14 21:26:27.620 INFO [stderr]    Compiling cargo_metadata v0.6.3
Dec 14 21:26:31.051 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 14 21:26:33.979 INFO [stderr]    Compiling rustc-rayon v0.1.1
Dec 14 21:26:37.848 INFO [stderr]    Compiling parking_lot v0.6.4
Dec 14 21:26:43.236 INFO [stderr]    Compiling rustc-ap-rustc_data_structures v297.0.0
Dec 14 21:26:48.549 INFO [stderr]    Compiling rustc-ap-arena v297.0.0
Dec 14 21:26:48.549 INFO [stderr]    Compiling rustc-ap-rustc_target v297.0.0
Dec 14 21:26:53.007 INFO [stderr]    Compiling rustc-ap-syntax_pos v297.0.0
Dec 14 21:26:56.947 INFO [stderr] error[E0133]: initializing type with `rustc_layout_scalar_valid_range` attr is unsafe and requires unsafe function or block
Dec 14 21:26:56.947 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_target-297.0.0/abi/mod.rs:830:1
Dec 14 21:26:56.947 INFO [stderr]     |
Dec 14 21:26:56.947 INFO [stderr] 830 | / newtype_index! {
Dec 14 21:26:56.947 INFO [stderr] 831 | |     pub struct VariantIdx { .. }
Dec 14 21:26:56.947 INFO [stderr] 832 | | }
Dec 14 21:26:56.947 INFO [stderr]     | |_^ initializing type with `rustc_layout_scalar_valid_range` attr
Dec 14 21:26:56.947 INFO [stderr]     |
Dec 14 21:26:56.947 INFO [stderr]     = note: initializing a layout restricted type's field with a value outside the valid range is undefined behavior
Dec 14 21:26:56.947 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 21:26:56.947 INFO [stderr] 
Dec 14 21:26:56.947 INFO [stderr] error[E0133]: initializing type with `rustc_layout_scalar_valid_range` attr is unsafe and requires unsafe function or block
Dec 14 21:26:56.947 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_target-297.0.0/abi/mod.rs:830:1
Dec 14 21:26:56.947 INFO [stderr]     |
Dec 14 21:26:56.947 INFO [stderr] 830 | / newtype_index! {
Dec 14 21:26:56.947 INFO [stderr] 831 | |     pub struct VariantIdx { .. }
Dec 14 21:26:56.947 INFO [stderr] 832 | | }
Dec 14 21:26:56.947 INFO [stderr]     | |_^ initializing type with `rustc_layout_scalar_valid_range` attr
Dec 14 21:26:56.947 INFO [stderr]     |
Dec 14 21:26:56.947 INFO [stderr]     = note: initializing a layout restricted type's field with a value outside the valid range is undefined behavior
Dec 14 21:26:56.947 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 21:26:56.947 INFO [stderr] 
Dec 14 21:26:57.013 INFO [stderr] error: aborting due to 2 previous errors
Dec 14 21:26:57.013 INFO [stderr] 
Dec 14 21:26:57.013 INFO [stderr] For more information about this error, try `rustc --explain E0133`.
Dec 14 21:26:57.055 INFO [stderr] error: Could not compile `rustc-ap-rustc_target`.
Dec 14 21:26:57.055 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 14 21:27:01.009 INFO [stderr] error: build failed
Dec 14 21:27:01.010 INFO [stderr] su: No module specific data is present
Dec 14 21:27:02.474 INFO running `"docker" "inspect" "462e707e963e4b473543600f31dceef163073aa9883c0b8a538a74418ddff9ae"`
Dec 14 21:27:02.847 INFO running `"docker" "rm" "-f" "462e707e963e4b473543600f31dceef163073aa9883c0b8a538a74418ddff9ae"`
Dec 14 21:27:03.175 INFO [stdout] 462e707e963e4b473543600f31dceef163073aa9883c0b8a538a74418ddff9ae