[INFO] cloning repository rust-lang-nursery/rustfmt
[INFO] running `"git" "clone" "--bare" "git://github.com/rust-lang-nursery/rustfmt.git" "work/cache/sources/gh/rust-lang-nursery/rustfmt"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/rust-lang-nursery/rustfmt'...
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/rustfmt" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rust-lang-nursery/rustfmt"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rust-lang-nursery/rustfmt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/rustfmt" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rust-lang-nursery/rustfmt"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rust-lang-nursery/rustfmt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e55fc6be3b3cac1954e5c7d189c62021ef76622a
[INFO] sha for GitHub repo rust-lang-nursery/rustfmt: e55fc6be3b3cac1954e5c7d189c62021ef76622a
[INFO] validating manifest of rust-lang-nursery/rustfmt on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-lang-nursery/rustfmt on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-lang-nursery/rustfmt
[INFO] removed path dependency rustfmt-config_proc_macro from rust-lang-nursery/rustfmt
[INFO] finished frobbing rust-lang-nursery/rustfmt
[INFO] frobbed toml for rust-lang-nursery/rustfmt written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rust-lang-nursery/rustfmt/Cargo.toml
[INFO] started frobbing rust-lang-nursery/rustfmt
[INFO] removed path dependency rustfmt-config_proc_macro from rust-lang-nursery/rustfmt
[INFO] finished frobbing rust-lang-nursery/rustfmt
[INFO] frobbed toml for rust-lang-nursery/rustfmt written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rust-lang-nursery/rustfmt/Cargo.toml
[INFO] crate rust-lang-nursery/rustfmt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rust-lang-nursery/rustfmt/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v491.0.0
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.1.2
[INFO] [stderr]   Downloaded rustc-rayon-core v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-arena v491.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v491.0.0
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded rustc-ap-rustc_cratesio_shim v491.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v491.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v491.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v491.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v491.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.5.0
[INFO] [stderr]   Downloaded cargo_metadata v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v491.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v491.0.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-lang-nursery/rustfmt against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rust-lang-nursery/rustfmt:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7095190c469d3474def27f64a81b4eb086032beec8b779b04d98f281c52e275d
[INFO] running `"docker" "start" "-a" "7095190c469d3474def27f64a81b4eb086032beec8b779b04d98f281c52e275d"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking rustc-ap-graphviz v491.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v491.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v491.0.0
[INFO] [stderr]    Compiling rustfmt-nightly v1.3.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking annotate-snippets v0.5.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking ena v0.13.0
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v491.0.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking rustc-ap-serialize v491.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive-new v0.5.7
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v491.0.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking cargo_metadata v0.8.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v491.0.0
[INFO] [stderr]     Checking rustc-ap-arena v491.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v491.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v491.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `"docker" "inspect" "7095190c469d3474def27f64a81b4eb086032beec8b779b04d98f281c52e275d"`
[INFO] running `"docker" "rm" "-f" "7095190c469d3474def27f64a81b4eb086032beec8b779b04d98f281c52e275d"`
[INFO] [stdout] 7095190c469d3474def27f64a81b4eb086032beec8b779b04d98f281c52e275d