[INFO] fetching crate rust_lsp 0.6.1...
[INFO] testing rust_lsp-0.6.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rust_lsp 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust_lsp 0.6.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_lsp 0.6.1
[INFO] finished tweaking crates.io crate rust_lsp 0.6.1
[INFO] tweaked toml for crates.io crate rust_lsp 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded syntex v0.54.0
[INFO] [stderr]   Downloaded syntex_errors v0.54.0
[INFO] [stderr]   Downloaded serde_derive v0.8.23
[INFO] [stderr]   Downloaded syntex_syntax v0.54.0
[INFO] [stderr]   Downloaded serde_codegen v0.8.23
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded syntex_pos v0.54.0
[INFO] [stderr]   Downloaded languageserver-types v0.6.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded rustdt_util v0.2.3
[INFO] [stderr]   Downloaded rustdt-json_rpc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 832c4fb1f4114f022cbd11888156db181ee3840dc70c6890fdf3affd69c35b71
[INFO] running `Command { std: "docker" "start" "-a" "832c4fb1f4114f022cbd11888156db181ee3840dc70c6890fdf3affd69c35b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "832c4fb1f4114f022cbd11888156db181ee3840dc70c6890fdf3affd69c35b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832c4fb1f4114f022cbd11888156db181ee3840dc70c6890fdf3affd69c35b71", kill_on_drop: false }`
[INFO] [stdout] 832c4fb1f4114f022cbd11888156db181ee3840dc70c6890fdf3affd69c35b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf066b631ba5ffe0dc55dfcd665fae497341762c49a859f5232f0f766b03ec30
[INFO] running `Command { std: "docker" "start" "-a" "cf066b631ba5ffe0dc55dfcd665fae497341762c49a859f5232f0f766b03ec30", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling rustdt_util v0.2.3
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]    Compiling rustdt-json_rpc v0.3.0
[INFO] [stderr]    Compiling languageserver-types v0.6.1
[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/languageserver-types-0.6.1/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(proc_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[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: could not compile `languageserver-types` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cf066b631ba5ffe0dc55dfcd665fae497341762c49a859f5232f0f766b03ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf066b631ba5ffe0dc55dfcd665fae497341762c49a859f5232f0f766b03ec30", kill_on_drop: false }`
[INFO] [stdout] cf066b631ba5ffe0dc55dfcd665fae497341762c49a859f5232f0f766b03ec30