[INFO] cloning repository https://github.com/vigoo/red
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vigoo/red" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvigoo%2Fred", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvigoo%2Fred'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c713221efd2aceb424d9a85247db2cb0f0c4a45c
[INFO] documenting vigoo/red 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%2Fvigoo%2Fred" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vigoo/red 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/vigoo/red
[INFO] finished tweaking git repo https://github.com/vigoo/red
[INFO] tweaked toml for git repo https://github.com/vigoo/red written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vigoo/red 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 futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.1
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.2
[INFO] [stderr]   Downloaded crossterm_input v0.3.3
[INFO] [stderr]   Downloaded crossterm_utils v0.2.1
[INFO] [stderr]   Downloaded crossterm_screen v0.2.1
[INFO] [stderr]   Downloaded crossterm v0.9.3
[INFO] [stderr]   Downloaded crossterm_style v0.3.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.2
[INFO] [stderr]   Downloaded riker-macros v0.1.0
[INFO] [stderr]   Downloaded riker-patterns v0.3.2
[INFO] [stderr]   Downloaded riker v0.3.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] b72755c3643dc4926ebfebccdfc7e35fd23757e24625d9e0e135dbdd8e77a8e6
[INFO] running `Command { std: "docker" "start" "-a" "b72755c3643dc4926ebfebccdfc7e35fd23757e24625d9e0e135dbdd8e77a8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b72755c3643dc4926ebfebccdfc7e35fd23757e24625d9e0e135dbdd8e77a8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72755c3643dc4926ebfebccdfc7e35fd23757e24625d9e0e135dbdd8e77a8e6", kill_on_drop: false }`
[INFO] [stdout] b72755c3643dc4926ebfebccdfc7e35fd23757e24625d9e0e135dbdd8e77a8e6
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd35310f3beedc14690aae7aa728be24bd1a14fdeba9119c2bb3bb0d4a016d47
[INFO] running `Command { std: "docker" "start" "-a" "fd35310f3beedc14690aae7aa728be24bd1a14fdeba9119c2bb3bb0d4a016d47", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossterm_utils v0.2.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling riker-macros v0.1.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossterm_cursor v0.2.1
[INFO] [stderr]     Checking crossterm_screen v0.2.1
[INFO] [stderr]     Checking crossterm_style v0.3.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossterm_input v0.3.3
[INFO] [stderr]     Checking crossterm_terminal v0.2.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking crossterm v0.9.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking rut v0.1.0 (/opt/rustwide/workdir/rut)
[INFO] [stderr]  Documenting rut v0.1.0 (/opt/rustwide/workdir/rut)
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking riker v0.3.2
[INFO] [stderr]     Checking riker-patterns v0.3.2
[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/riker-patterns-0.3.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(arbitrary_self_types)]
[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 `riker-patterns` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd35310f3beedc14690aae7aa728be24bd1a14fdeba9119c2bb3bb0d4a016d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd35310f3beedc14690aae7aa728be24bd1a14fdeba9119c2bb3bb0d4a016d47", kill_on_drop: false }`
[INFO] [stdout] fd35310f3beedc14690aae7aa728be24bd1a14fdeba9119c2bb3bb0d4a016d47
