[INFO] cloning repository https://github.com/truchi/timui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/truchi/timui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruchi%2Ftimui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruchi%2Ftimui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8fc04cc89c8f64d46ca07309831ff7f0c0855d2
[INFO] documenting truchi/timui 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%2Ftruchi%2Ftimui" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/truchi/timui 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/truchi/timui
[INFO] finished tweaking git repo https://github.com/truchi/timui
[INFO] tweaked toml for git repo https://github.com/truchi/timui written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/truchi/timui 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]     Updating git repository `https://github.com/mgeisler/textwrap`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5e5c774b456bd7e0abf34a92291efc58f3568a340e808bbc28e048dd16b0a3bb
[INFO] running `Command { std: "docker" "start" "-a" "5e5c774b456bd7e0abf34a92291efc58f3568a340e808bbc28e048dd16b0a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5c774b456bd7e0abf34a92291efc58f3568a340e808bbc28e048dd16b0a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5c774b456bd7e0abf34a92291efc58f3568a340e808bbc28e048dd16b0a3bb", kill_on_drop: false }`
[INFO] [stdout] 5e5c774b456bd7e0abf34a92291efc58f3568a340e808bbc28e048dd16b0a3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ceadecb47467d11fe0271bcd3d78cc5dbd67a60a14f110a358744c45c615850b
[INFO] running `Command { std: "docker" "start" "-a" "ceadecb47467d11fe0271bcd3d78cc5dbd67a60a14f110a358744c45c615850b", kill_on_drop: false }`
[INFO] [stderr]     Checking textwrap v0.12.0 (https://github.com/mgeisler/textwrap#9b553e32)
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking timui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting timui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(arbitrary_self_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Error`
[INFO] [stdout]  --> src/lib/ui/ui.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fmt::{Debug, Display, Error, Formatter, Result},
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib/mod.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(arbitrary_self_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `timui`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name lib src/lib/mod.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern paste=/opt/rustwide/target/debug/deps/libpaste-13bd424290d2084a.rmeta --extern stretch=/opt/rustwide/target/debug/deps/libstretch-9bd5e2be64b9c8bc.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-86a76c618737675a.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-ef05ced4da9aec3a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ceadecb47467d11fe0271bcd3d78cc5dbd67a60a14f110a358744c45c615850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceadecb47467d11fe0271bcd3d78cc5dbd67a60a14f110a358744c45c615850b", kill_on_drop: false }`
[INFO] [stdout] ceadecb47467d11fe0271bcd3d78cc5dbd67a60a14f110a358744c45c615850b
