[INFO] fetching crate docsify-cli 0.2.0...
[INFO] testing docsify-cli-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate docsify-cli 0.2.0 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate docsify-cli 0.2.0 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] started tweaking crates.io crate docsify-cli 0.2.0
[INFO] finished tweaking crates.io crate docsify-cli 0.2.0
[INFO] tweaked toml for crates.io crate docsify-cli 0.2.0 written to /workspace/builds/worker-59/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]  Downloading crates ...
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded markdown v0.3.0
[INFO] [stderr]   Downloaded text-utils v0.2.5
[INFO] [stderr]   Downloaded notedown_ast v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 071be93f1dd135e6949ce3ad29ab370c507fd596775a374eb38c030b26fe9b21
[INFO] running `Command { std: "docker" "start" "-a" "071be93f1dd135e6949ce3ad29ab370c507fd596775a374eb38c030b26fe9b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071be93f1dd135e6949ce3ad29ab370c507fd596775a374eb38c030b26fe9b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071be93f1dd135e6949ce3ad29ab370c507fd596775a374eb38c030b26fe9b21", kill_on_drop: false }`
[INFO] [stdout] 071be93f1dd135e6949ce3ad29ab370c507fd596775a374eb38c030b26fe9b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 68119676ab9825293569ffbe81c43ad036a778967b304ac750007be9427aec20
[INFO] running `Command { std: "docker" "start" "-a" "68119676ab9825293569ffbe81c43ad036a778967b304ac750007be9427aec20", kill_on_drop: false }`
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling markdown v0.3.0
[INFO] [stderr]    Compiling text-utils v0.2.5
[INFO] [stderr]    Compiling notedown_ast 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/notedown_ast-0.6.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[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 `notedown_ast` 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" "68119676ab9825293569ffbe81c43ad036a778967b304ac750007be9427aec20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68119676ab9825293569ffbe81c43ad036a778967b304ac750007be9427aec20", kill_on_drop: false }`
[INFO] [stdout] 68119676ab9825293569ffbe81c43ad036a778967b304ac750007be9427aec20
