[INFO] cloning repository https://github.com/racer-rust/racer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/racer-rust/racer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6c55328b714bce94d0253b9bbc98eec2139f51
[INFO] checking racer-rust/racer against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/racer-rust/racer on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/racer-rust/racer
[INFO] finished tweaking git repo https://github.com/racer-rust/racer
[INFO] tweaked toml for git repo https://github.com/racer-rust/racer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/racer-rust/racer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v712.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v712.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded humantime v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v712.0.0
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v712.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v712.0.0
[INFO] [stderr]   Downloaded rls-span v0.5.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v712.0.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v712.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded psm v0.1.8
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v712.0.0
[INFO] [stderr]   Downloaded stacker v0.1.12
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v712.0.0
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v712.0.0
[INFO] [stderr]   Downloaded measureme v9.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4e02ff8be1cf1a86b22bc3b15cc5fcfbbe73eb9faf934e5d81fd14c1c22d36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f4e02ff8be1cf1a86b22bc3b15cc5fcfbbe73eb9faf934e5d81fd14c1c22d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4e02ff8be1cf1a86b22bc3b15cc5fcfbbe73eb9faf934e5d81fd14c1c22d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4e02ff8be1cf1a86b22bc3b15cc5fcfbbe73eb9faf934e5d81fd14c1c22d36", kill_on_drop: false }`
[INFO] [stdout] 7f4e02ff8be1cf1a86b22bc3b15cc5fcfbbe73eb9faf934e5d81fd14c1c22d36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1483331900bd550ea5efbd22c667a77e630a53fa3aefe85ecc289ce54706a845
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1483331900bd550ea5efbd22c667a77e630a53fa3aefe85ecc289ce54706a845", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v712.0.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v712.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v712.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]    Compiling psm v0.1.8
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v712.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking measureme v9.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v712.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking rustc-ap-rustc_index v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v712.0.0
[INFO] [stdout] error[E0658]: or-patterns syntax is experimental
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_ast-712.0.0/src/ast.rs:1672:29
[INFO] [stdout]      |
[INFO] [stdout] 1672 |             LitKind::Int(_, LitIntType::Signed(..) | LitIntType::Unsigned(..))
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #54883 <https://github.com/rust-lang/rust/issues/54883> for more information
[INFO] [stdout]      = help: add `#![feature(or_patterns)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: or-patterns syntax is experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_ast-712.0.0/src/attr/mod.rs:419:31
[INFO] [stdout]     |
[INFO] [stdout] 419 |                 kind: kind @ (token::Ident(..) | token::ModSep),
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54883 <https://github.com/rust-lang/rust/issues/54883> for more information
[INFO] [stdout]     = help: add `#![feature(or_patterns)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: or-patterns syntax is experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_ast-712.0.0/src/util/comments.rs:184:80
[INFO] [stdout]     |
[INFO] [stdout] 184 |                         !matches!(text[pos + token.len..].chars().next(), Some('\r' | '\n'));
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54883 <https://github.com/rust-lang/rust/issues/54883> for more information
[INFO] [stdout]     = help: add `#![feature(or_patterns)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking racer-interner v0.1.0 (/opt/rustwide/workdir/interner)
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_ast`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1483331900bd550ea5efbd22c667a77e630a53fa3aefe85ecc289ce54706a845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1483331900bd550ea5efbd22c667a77e630a53fa3aefe85ecc289ce54706a845", kill_on_drop: false }`
[INFO] [stdout] 1483331900bd550ea5efbd22c667a77e630a53fa3aefe85ecc289ce54706a845