[INFO] fetching crate phloem 0.3.1...
[INFO] documenting phloem-0.3.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate phloem 0.3.1 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate phloem 0.3.1 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 phloem 0.3.1
[INFO] finished tweaking crates.io crate phloem 0.3.1
[INFO] tweaked toml for crates.io crate phloem 0.3.1 written to /workspace/builds/worker-66/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded collenchyma v0.0.3
[INFO] [stderr]   Downloaded rblas v0.0.10
[INFO] [stderr]   Downloaded clippy v0.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 9d56c57f1a5952e8266dd1ecd1b1b6bd92effad6fc353047efc086a159a8fa4a
[INFO] running `Command { std: "docker" "start" "-a" "9d56c57f1a5952e8266dd1ecd1b1b6bd92effad6fc353047efc086a159a8fa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d56c57f1a5952e8266dd1ecd1b1b6bd92effad6fc353047efc086a159a8fa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d56c57f1a5952e8266dd1ecd1b1b6bd92effad6fc353047efc086a159a8fa4a", kill_on_drop: false }`
[INFO] [stdout] 9d56c57f1a5952e8266dd1ecd1b1b6bd92effad6fc353047efc086a159a8fa4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 135ca85fdbc0b421589874c3cf995bdff0a619495e97f00edecc99b900540f1e
[INFO] running `Command { std: "docker" "start" "-a" "135ca85fdbc0b421589874c3cf995bdff0a619495e97f00edecc99b900540f1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rblas v0.0.10
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[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/rblas-0.0.10/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(concat_idents)]
[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 `rblas` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "135ca85fdbc0b421589874c3cf995bdff0a619495e97f00edecc99b900540f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135ca85fdbc0b421589874c3cf995bdff0a619495e97f00edecc99b900540f1e", kill_on_drop: false }`
[INFO] [stdout] 135ca85fdbc0b421589874c3cf995bdff0a619495e97f00edecc99b900540f1e
