[INFO] crate rustfmt-nightly 1.3.3 is already in cache
[INFO] extracting crate rustfmt-nightly 1.3.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rustfmt-nightly/1.3.3
[INFO] extracting crate rustfmt-nightly 1.3.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rustfmt-nightly/1.3.3
[INFO] validating manifest of rustfmt-nightly-1.3.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustfmt-nightly-1.3.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustfmt-nightly-1.3.3
[INFO] finished frobbing rustfmt-nightly-1.3.3
[INFO] frobbed toml for rustfmt-nightly-1.3.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rustfmt-nightly/1.3.3/Cargo.toml
[INFO] started frobbing rustfmt-nightly-1.3.3
[INFO] finished frobbing rustfmt-nightly-1.3.3
[INFO] frobbed toml for rustfmt-nightly-1.3.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rustfmt-nightly/1.3.3/Cargo.toml
[INFO] crate rustfmt-nightly-1.3.3 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustfmt-nightly-1.3.3 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rustfmt-nightly/1.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec21cb4965c68962189a15a254ac3a473f427129cdf27151b2b7ec31ef9ec4f4
[INFO] running `"docker" "start" "-a" "ec21cb4965c68962189a15a254ac3a473f427129cdf27151b2b7ec31ef9ec4f4"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[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 v1.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Checking rustc-ap-serialize v491.0.0
[INFO] [stderr]     Checking annotate-snippets v0.5.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ena v0.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking jobserver v0.1.13
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v491.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v491.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cargo_metadata v0.8.0
[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] error[E0599]: no method named `cap` found for type `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-arena-491.0.0/lib.rs:102:47
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 self.start().add(self.storage.cap())
[INFO] [stderr]     |                                               ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for type `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-arena-491.0.0/lib.rs:273:55
[INFO] [stderr]     |
[INFO] [stderr] 273 |                     new_capacity = last_chunk.storage.cap();
[INFO] [stderr]     |                                                       ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for type `alloc::raw_vec::RawVec<u8>` in the current scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-arena-491.0.0/lib.rs:408:55
[INFO] [stderr]     |
[INFO] [stderr] 408 |                     new_capacity = last_chunk.storage.cap();
[INFO] [stderr]     |                                                       ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rustc-ap-arena`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ec21cb4965c68962189a15a254ac3a473f427129cdf27151b2b7ec31ef9ec4f4"`
[INFO] running `"docker" "rm" "-f" "ec21cb4965c68962189a15a254ac3a473f427129cdf27151b2b7ec31ef9ec4f4"`
[INFO] [stdout] ec21cb4965c68962189a15a254ac3a473f427129cdf27151b2b7ec31ef9ec4f4