Dec 11 10:28:17.895 INFO checking rust-lang-nursery/rustfmt against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:28:17.895 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 10:28:18.408 INFO [stdout] c9af253c626f472cf445bb5aeb6a032763b85109be2b495a9540edefd9492a0c
Dec 11 10:28:18.410 INFO running `"docker" "start" "-a" "c9af253c626f472cf445bb5aeb6a032763b85109be2b495a9540edefd9492a0c"`
Dec 11 10:28:20.539 INFO [stderr] usermod: no changes
Dec 11 10:28:20.925 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Dec 11 10:28:20.933 INFO [stderr]     Checking rustc-ap-graphviz v306.0.0
Dec 11 10:28:20.933 INFO [stderr]    Compiling rustc-ap-rustc_target v306.0.0
Dec 11 10:28:20.933 INFO [stderr]     Checking scoped-tls v0.1.2
Dec 11 10:28:20.933 INFO [stderr]    Compiling rustc-ap-syntax v306.0.0
Dec 11 10:28:20.940 INFO [stderr]    Compiling rustfmt-nightly v1.0.1 (/source)
Dec 11 10:28:20.942 INFO [stderr]     Checking rustc-workspace-hack v1.0.0
Dec 11 10:28:20.949 INFO [stderr]     Checking bytecount v0.4.0
Dec 11 10:28:22.140 INFO [stderr]     Checking rustc-hash v1.0.1
Dec 11 10:28:22.250 INFO [stderr]    Compiling serde v1.0.80
Dec 11 10:28:22.806 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 11 10:28:23.414 INFO [stderr]     Checking rustc-ap-rustc_cratesio_shim v306.0.0
Dec 11 10:28:23.638 INFO [stderr]     Checking ena v0.11.0
Dec 11 10:28:24.526 INFO [stderr]     Checking smallvec v0.6.6
Dec 11 10:28:24.550 INFO [stderr]     Checking lock_api v0.1.5
Dec 11 10:28:24.552 INFO [stderr]     Checking semver v0.9.0
Dec 11 10:28:25.045 INFO [stderr]     Checking rand v0.4.3
Dec 11 10:28:26.248 INFO [stderr]    Compiling syn v0.15.22
Dec 11 10:28:27.343 INFO [stderr]     Checking error-chain v0.12.0
Dec 11 10:28:27.546 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 11 10:28:28.505 INFO [stderr]     Checking env_logger v0.5.13
Dec 11 10:28:29.216 INFO [stderr]     Checking rustc-ap-serialize v306.0.0
Dec 11 10:28:36.061 INFO [stderr]     Checking rustc-rayon v0.1.1
Dec 11 10:28:53.404 INFO [stderr]    Compiling synstructure v0.10.1
Dec 11 10:28:53.417 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 11 10:28:53.418 INFO [stderr]    Compiling derive-new v0.5.6
Dec 11 10:29:02.656 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 11 10:29:06.916 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 11 10:29:07.556 INFO [stderr]     Checking failure v0.1.3
Dec 11 10:29:09.072 INFO [stderr]     Checking assert_cli v0.6.3
Dec 11 10:29:09.152 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 11 10:29:12.532 INFO [stderr]     Checking parking_lot v0.6.4
Dec 11 10:29:16.849 INFO [stderr]     Checking rustc-ap-rustc_data_structures v306.0.0
Dec 11 10:29:20.772 INFO [stderr]     Checking cargo_metadata v0.6.2
Dec 11 10:29:23.602 INFO [stderr]     Checking rustc-ap-arena v306.0.0
Dec 11 10:29:25.514 INFO [stderr]     Checking rustc-ap-syntax_pos v306.0.0
Dec 11 10:29:29.525 INFO [stderr]     Checking rustc-ap-rustc_errors v306.0.0
Dec 11 10:30:14.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
Dec 11 10:30:14.728 INFO [stderr] su: No module specific data is present
Dec 11 10:30:16.255 INFO running `"docker" "inspect" "c9af253c626f472cf445bb5aeb6a032763b85109be2b495a9540edefd9492a0c"`
Dec 11 10:30:16.640 INFO running `"docker" "rm" "-f" "c9af253c626f472cf445bb5aeb6a032763b85109be2b495a9540edefd9492a0c"`
Dec 11 10:30:17.028 INFO [stdout] c9af253c626f472cf445bb5aeb6a032763b85109be2b495a9540edefd9492a0c