[INFO] cloning repository https://github.com/rust-lang-nursery/rls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/rls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74d1800c25498689c5b5120a1e8495fce0cd0d0d
[INFO] checking rust-lang-nursery/rls against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/rls on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/rls
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/rls
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/rls written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/rls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rust-clippy`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rustfmt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.8.0
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v712.0.0
[INFO] [stderr]   Downloaded stacker v0.1.13
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v712.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded measureme v9.1.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v712.0.0
[INFO] [stderr]   Downloaded rls-span v0.5.3
[INFO] [stderr]   Downloaded rls-vfs v0.8.0
[INFO] [stderr]   Downloaded rls-data v0.19.1
[INFO] [stderr]   Downloaded lsp-types v0.60.0
[INFO] [stderr]   Downloaded lsp-codec v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v712.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v712.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v712.0.0
[INFO] [stderr]   Downloaded racer v2.1.45
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v712.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v712.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v712.0.0
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v712.0.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v17.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01dce14a6d68187fbcea23a93f4c459b64a68004ce994e15172e25d64934079d
[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" "01dce14a6d68187fbcea23a93f4c459b64a68004ce994e15172e25d64934079d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01dce14a6d68187fbcea23a93f4c459b64a68004ce994e15172e25d64934079d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dce14a6d68187fbcea23a93f4c459b64a68004ce994e15172e25d64934079d", kill_on_drop: false }`
[INFO] [stdout] 01dce14a6d68187fbcea23a93f4c459b64a68004ce994e15172e25d64934079d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03011061b31022ae69b184e290bc48268835053bb13218e72caa49acb95e6888
[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" "03011061b31022ae69b184e290bc48268835053bb13218e72caa49acb95e6888", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v712.0.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v712.0.0
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.37 (https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.37#0bd2b192)
[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking ordslice v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v712.0.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling rls v1.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tar v0.4.32
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking measureme v9.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking miow v0.3.6
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v712.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking im-rc v15.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling stacker v0.1.13
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling cargo v0.54.0 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.0 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v712.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0 (https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.37#0bd2b192)
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking rustc-ap-rustc_index v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v712.0.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking rustc-ap-rustc_arena v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v712.0.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking parity-tokio-ipc v0.8.0
[INFO] [stderr]     Checking serde v1.0.123
[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] [stderr]     Checking rls-span v0.5.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking rls-data v0.19.1
[INFO] [stderr]     Checking rls-vfs v0.8.0
[INFO] [stderr]     Checking git2 v0.13.17
[INFO] [stderr]     Checking jsonrpc-core v17.0.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.33.0 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]     Checking lsp-types v0.60.0
[INFO] [stderr]     Checking lsp-codec v0.2.0
[INFO] [stderr]     Checking rls-analysis v0.18.2 (/opt/rustwide/workdir/rls-analysis)
[INFO] [stderr]     Checking jsonrpc-server-utils v17.0.0
[INFO] [stderr]     Checking jsonrpc-pubsub v17.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking jsonrpc-ipc-server v17.0.1
[INFO] [stderr]     Checking jsonrpc-client-transports v17.0.0
[INFO] [stderr]     Checking jsonrpc-core-client v17.0.0
[INFO] [stderr]    Compiling jsonrpc-derive v17.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lint_defs v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v712.0.0
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking rustc-ap-rustc_session v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_parse v712.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_attr v712.0.0
[INFO] [stdout] error: environment variable `CFG_RELEASE` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-712.0.0/src/builtin.rs:594:47
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let rustc_version = parse_version(env!("CFG_RELEASE"), true).unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_attr`
[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" "03011061b31022ae69b184e290bc48268835053bb13218e72caa49acb95e6888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03011061b31022ae69b184e290bc48268835053bb13218e72caa49acb95e6888", kill_on_drop: false }`
[INFO] [stdout] 03011061b31022ae69b184e290bc48268835053bb13218e72caa49acb95e6888