[INFO] cloning repository https://github.com/dustlang/rls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/rls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Frls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Frls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78a36bd334b7e51726ea506919e0a4189c416855
[INFO] testing dustlang/rls against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Frls" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/rls on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-107/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dustlang/rls
[INFO] finished tweaking git repo https://github.com/dustlang/rls
[INFO] tweaked toml for git repo https://github.com/dustlang/rls written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/rls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 tar v0.4.32
[INFO] [stderr]   Downloaded lsp-types v0.60.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v705.0.0
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded rls-span v0.5.3
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v705.0.0
[INFO] [stderr]   Downloaded if_chain v1.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v705.0.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v17.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v705.0.0
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v17.0.1
[INFO] [stderr]   Downloaded jsonrpc-core-client v17.0.0
[INFO] [stderr]   Downloaded rls-vfs v0.8.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v17.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v705.0.0
[INFO] [stderr]   Downloaded racer v2.1.44
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v705.0.0
[INFO] [stderr]   Downloaded measureme v9.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v705.0.0
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded rustc_tools_util v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v705.0.0
[INFO] [stderr]   Downloaded rls-analysis v0.18.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v705.0.0
[INFO] [stderr]   Downloaded stacker v0.1.13
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v705.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v17.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v705.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v705.0.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]   Downloaded rls-data v0.19.1
[INFO] [stderr]   Downloaded curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]   Downloaded fst v0.3.5
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded lsp-codec v0.2.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e51a53c5016da59b027db4e4946cd7ea637633c9afd969a6ef6e5bd780f19a
[INFO] running `Command { std: "docker" "start" "-a" "40e51a53c5016da59b027db4e4946cd7ea637633c9afd969a6ef6e5bd780f19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e51a53c5016da59b027db4e4946cd7ea637633c9afd969a6ef6e5bd780f19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e51a53c5016da59b027db4e4946cd7ea637633c9afd969a6ef6e5bd780f19a", kill_on_drop: false }`
[INFO] [stdout] 40e51a53c5016da59b027db4e4946cd7ea637633c9afd969a6ef6e5bd780f19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08317be5c77406346241155b653c0733baa536a555442b7fbf43afeea50ae818
[INFO] running `Command { std: "docker" "start" "-a" "08317be5c77406346241155b653c0733baa536a555442b7fbf43afeea50ae818", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v705.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v705.0.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.36 (https://github.com/rust-lang/rustfmt?branch=rustfmt-1.4.36#7de6968e)
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling ordslice v0.3.0
[INFO] [stderr] error: could not compile `rustc-ap-rustc_graphviz` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_graphviz-705.0.0/src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-1.6.1/src/lib.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "08317be5c77406346241155b653c0733baa536a555442b7fbf43afeea50ae818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08317be5c77406346241155b653c0733baa536a555442b7fbf43afeea50ae818", kill_on_drop: false }`
[INFO] [stdout] 08317be5c77406346241155b653c0733baa536a555442b7fbf43afeea50ae818