[INFO] cloning repository https://github.com/msiemens/one2html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msiemens/one2html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7a4b76eae13394f1a123da81fa6e10256ab6afc
[INFO] documenting msiemens/one2html against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msiemens/one2html 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 git repo https://github.com/msiemens/one2html
[INFO] finished tweaking git repo https://github.com/msiemens/one2html
[INFO] tweaked toml for git repo https://github.com/msiemens/one2html written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/msiemens/one2html already has a lockfile, it will not be regenerated
[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 happylog v0.2.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded onenote_parser v0.3.0
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa2a08db03d8109d8f327b9ab54c541f967ebbe035df526a9a37ef3fb45433f1
[INFO] running `Command { std: "docker" "start" "-a" "fa2a08db03d8109d8f327b9ab54c541f967ebbe035df526a9a37ef3fb45433f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2a08db03d8109d8f327b9ab54c541f967ebbe035df526a9a37ef3fb45433f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2a08db03d8109d8f327b9ab54c541f967ebbe035df526a9a37ef3fb45433f1", kill_on_drop: false }`
[INFO] [stdout] fa2a08db03d8109d8f327b9ab54c541f967ebbe035df526a9a37ef3fb45433f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1b63612be9e5f397c7d99cbbc181b9e53190eba1989a451e11c50a536c91973a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b63612be9e5f397c7d99cbbc181b9e53190eba1989a451e11c50a536c91973a", 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]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking onenote_parser v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[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/onenote_parser-0.3.0/src/lib.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "backtrace", feature(backtrace))]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking happylog v0.2.0
[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 `onenote_parser` 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" "1b63612be9e5f397c7d99cbbc181b9e53190eba1989a451e11c50a536c91973a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b63612be9e5f397c7d99cbbc181b9e53190eba1989a451e11c50a536c91973a", kill_on_drop: false }`
[INFO] [stdout] 1b63612be9e5f397c7d99cbbc181b9e53190eba1989a451e11c50a536c91973a
