[INFO] fetching crate vscode-sys 0.1.0...
[INFO] testing vscode-sys-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate vscode-sys 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate vscode-sys 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-21/source/rust-toolchain
[INFO] started tweaking crates.io crate vscode-sys 0.1.0
[INFO] finished tweaking crates.io crate vscode-sys 0.1.0
[INFO] tweaked toml for crates.io crate vscode-sys 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded electron-sys v0.1.0
[INFO] [stderr]   Downloaded node-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff3125fdc9fa94816424140cd8ccd1e48c616e417ca750c8c8b43ba2a4ed3fd
[INFO] running `Command { std: "docker" "start" "-a" "fff3125fdc9fa94816424140cd8ccd1e48c616e417ca750c8c8b43ba2a4ed3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff3125fdc9fa94816424140cd8ccd1e48c616e417ca750c8c8b43ba2a4ed3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff3125fdc9fa94816424140cd8ccd1e48c616e417ca750c8c8b43ba2a4ed3fd", kill_on_drop: false }`
[INFO] [stdout] fff3125fdc9fa94816424140cd8ccd1e48c616e417ca750c8c8b43ba2a4ed3fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3776e66d4a9518ed094ed4530038d416d19ee50c6094c08c150d6b0d7caa4e70
[INFO] running `Command { std: "docker" "start" "-a" "3776e66d4a9518ed094ed4530038d416d19ee50c6094c08c150d6b0d7caa4e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.127
[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/wasm-bindgen-0.2.75/src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "nightly", feature(unsize))]
[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: could not compile `wasm-bindgen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3776e66d4a9518ed094ed4530038d416d19ee50c6094c08c150d6b0d7caa4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3776e66d4a9518ed094ed4530038d416d19ee50c6094c08c150d6b0d7caa4e70", kill_on_drop: false }`
[INFO] [stdout] 3776e66d4a9518ed094ed4530038d416d19ee50c6094c08c150d6b0d7caa4e70
