[INFO] crate racer 2.1.28 is already in cache
[INFO] checking racer-2.1.28 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate racer 2.1.28 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate racer 2.1.28 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate racer 2.1.28
[INFO] finished tweaking crates.io crate racer 2.1.28
[INFO] tweaked toml for crates.io crate racer 2.1.28 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate racer 2.1.28 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffbaf01c98650da767f55e948c200ae8cd988aa2e37dbe2d85f741884ebd0f73
[INFO] running `"docker" "start" "-a" "ffbaf01c98650da767f55e948c200ae8cd988aa2e37dbe2d85f741884ebd0f73"`
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking rustc-ap-graphviz v583.0.0
[INFO] [stderr]     Checking rustc-ap-graphviz v606.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v583.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v606.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v583.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v606.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v583.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v606.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stderr]     Checking rustc-ap-serialize v606.0.0
[INFO] [stderr]     Checking rustc-ap-serialize v583.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking racer-cargo-metadata v0.1.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v606.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v583.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v606.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v583.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v606.0.0
[INFO] [stderr]     Checking rustc-ap-arena v606.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v606.0.0
[INFO] [stderr]     Checking rustc-ap-arena v583.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v583.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v606.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v583.0.0
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `mixed_site`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax-583.0.0/ext/proc_macro_server.rs:657:1
[INFO] [stderr]     |
[INFO] [stderr] 657 | impl server::Span for Rustc<'_> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `mixed_site` in implementation
[INFO] [stderr]     |
[INFO] [stderr]     = help: implement the missing item: `fn mixed_site(&mut self) -> <Self as proc_macro::bridge::server::Types>::Span { unimplemented!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `&rustc_ap_syntax_pos::symbol::LocalInternedString` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax-606.0.0/parse/literal.rs:309:52
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         let s = String::from("0.") + &symbol.as_str();
[INFO] [stderr]     |                                                    ^ no implementation for `std::string::String + &rustc_ap_syntax_pos::symbol::LocalInternedString`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&rustc_ap_syntax_pos::symbol::LocalInternedString>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax-606.0.0/parse/literal.rs:310:80
[INFO] [stderr]     |
[INFO] [stderr] 310 |                         let kind = TokenKind::lit(token::Float, Symbol::intern(&s), suffix);
[INFO] [stderr]     |                                                                                ^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]     = note: all local variables must have a statically known size
[INFO] [stderr]     = help: unsized locals are gated as an unstable feature
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rustc-ap-syntax`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: cannot add `&syntax_pos::symbol::LocalInternedString` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax-583.0.0/parse/literal.rs:309:52
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         let s = String::from("0.") + &symbol.as_str();
[INFO] [stderr]     |                                                    ^ no implementation for `std::string::String + &syntax_pos::symbol::LocalInternedString`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&syntax_pos::symbol::LocalInternedString>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax-583.0.0/parse/literal.rs:310:80
[INFO] [stderr]     |
[INFO] [stderr] 310 |                         let kind = TokenKind::lit(token::Float, Symbol::intern(&s), suffix);
[INFO] [stderr]     |                                                                                ^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]     = note: all local variables must have a statically known size
[INFO] [stderr]     = help: unsized locals are gated as an unstable feature
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0277.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `rustc-ap-syntax`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ffbaf01c98650da767f55e948c200ae8cd988aa2e37dbe2d85f741884ebd0f73"`
[INFO] running `"docker" "rm" "-f" "ffbaf01c98650da767f55e948c200ae8cd988aa2e37dbe2d85f741884ebd0f73"`
[INFO] [stdout] ffbaf01c98650da767f55e948c200ae8cd988aa2e37dbe2d85f741884ebd0f73