[INFO] crate racer 2.1.26 is already in cache
[INFO] checking racer-2.1.26 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate racer 2.1.26 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate racer 2.1.26 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate racer 2.1.26
[INFO] finished tweaking crates.io crate racer 2.1.26
[INFO] tweaked toml for crates.io crate racer 2.1.26 written to work/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate racer 2.1.26 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf8ed713b68b3e0705cac829237485845333655b9361120ae103faee876ee91f
[INFO] running `"docker" "start" "-a" "bf8ed713b68b3e0705cac829237485845333655b9361120ae103faee876ee91f"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking rustc-ap-graphviz v546.0.0
[INFO] [stderr]     Checking rustc-ap-graphviz v581.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v546.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v546.0.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]    Compiling rustc-ap-rustc_target v581.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v546.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v581.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v581.0.0
[INFO] [stderr]     Checking rustc-ap-serialize v546.0.0
[INFO] [stderr] error[E0433]: failed to resolve: could not find `property` in `unicode`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_lexer-546.0.0/src/lib.rs:672:24
[INFO] [stderr]     |
[INFO] [stderr] 672 |         core::unicode::property::Pattern_White_Space(c)
[INFO] [stderr]     |                        ^^^^^^^^ could not find `property` in `unicode`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_lexer-546.0.0/src/lib.rs:689:33
[INFO] [stderr]     |
[INFO] [stderr] 689 |             || (c > '\x7f' && c.is_xid_start())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_lexer-546.0.0/src/lib.rs:708:33
[INFO] [stderr]     |
[INFO] [stderr] 708 |             || (c > '\x7f' && c.is_xid_continue())
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `rustc-ap-rustc_lexer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bf8ed713b68b3e0705cac829237485845333655b9361120ae103faee876ee91f"`
[INFO] running `"docker" "rm" "-f" "bf8ed713b68b3e0705cac829237485845333655b9361120ae103faee876ee91f"`
[INFO] [stdout] bf8ed713b68b3e0705cac829237485845333655b9361120ae103faee876ee91f