[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 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruchi%2Ftimui" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/truchi/timui on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-12/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" "+1.61.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 85e56712329dbc73f6bc31af8ef70eb77503cb8a2c369c1eadb7c91f818a1c1d
[INFO] running `Command { std: "docker" "start" "-a" "85e56712329dbc73f6bc31af8ef70eb77503cb8a2c369c1eadb7c91f818a1c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e56712329dbc73f6bc31af8ef70eb77503cb8a2c369c1eadb7c91f818a1c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e56712329dbc73f6bc31af8ef70eb77503cb8a2c369c1eadb7c91f818a1c1d", kill_on_drop: false }`
[INFO] [stdout] 85e56712329dbc73f6bc31af8ef70eb77503cb8a2c369c1eadb7c91f818a1c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e7d692811445ece07a1b3a773c74dd136d327c5fe3116dd7d12ad18d9e3e8e
[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" "89e7d692811445ece07a1b3a773c74dd136d327c5fe3116dd7d12ad18d9e3e8e", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking textwrap v0.12.0 (https://github.com/mgeisler/textwrap#9b553e32)
[INFO] [stderr]     Checking stretch v0.3.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking paste v0.1.18
[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 stable 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 stable 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[E0554]: `#![feature]` may not be used on the stable 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 stable 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: 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] [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] [stderr] error: could not compile `timui` due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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,artifacts,future-incompat --document-private-items -C metadata=cf0feff52db0426e -L dependency=/opt/rustwide/target/debug/deps --extern paste=/opt/rustwide/target/debug/deps/libpaste-445e54403317f7a8.rmeta --extern stretch=/opt/rustwide/target/debug/deps/libstretch-d50d0911d3f5ce09.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-32c000840df9e5d5.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-fce4f94a322b21d9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "89e7d692811445ece07a1b3a773c74dd136d327c5fe3116dd7d12ad18d9e3e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e7d692811445ece07a1b3a773c74dd136d327c5fe3116dd7d12ad18d9e3e8e", kill_on_drop: false }`
[INFO] [stdout] 89e7d692811445ece07a1b3a773c74dd136d327c5fe3116dd7d12ad18d9e3e8e