[INFO] cloning repository https://github.com/IndianBoy42/oxterm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IndianBoy42/oxterm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndianBoy42%2Foxterm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndianBoy42%2Foxterm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee103fb2fc7cdef0452c5aab41df8d76bb11b808
[INFO] documenting IndianBoy42/oxterm 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%2FIndianBoy42%2Foxterm" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IndianBoy42/oxterm 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/IndianBoy42/oxterm
[INFO] finished tweaking git repo https://github.com/IndianBoy42/oxterm
[INFO] tweaked toml for git repo https://github.com/IndianBoy42/oxterm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/IndianBoy42/oxterm 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]     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 pico-args v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] d0fe4691d4c8dc1a3a403149360229ab97dcc65f5ebb3cd296d6cae77f46dedf
[INFO] running `Command { std: "docker" "start" "-a" "d0fe4691d4c8dc1a3a403149360229ab97dcc65f5ebb3cd296d6cae77f46dedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0fe4691d4c8dc1a3a403149360229ab97dcc65f5ebb3cd296d6cae77f46dedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fe4691d4c8dc1a3a403149360229ab97dcc65f5ebb3cd296d6cae77f46dedf", kill_on_drop: false }`
[INFO] [stdout] d0fe4691d4c8dc1a3a403149360229ab97dcc65f5ebb3cd296d6cae77f46dedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c826fb4921808aed32d8766c1986c489eb94fa87b350ef4a6ed8aad65dd5bd3e
[INFO] running `Command { std: "docker" "start" "-a" "c826fb4921808aed32d8766c1986c489eb94fa87b350ef4a6ed8aad65dd5bd3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking pico-args v0.4.1
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]  Documenting oxterm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(with_options)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 document `oxterm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name oxterm src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=353a744f9fa82f8d -L dependency=/opt/rustwide/target/debug/deps --extern boolinator=/opt/rustwide/target/debug/deps/libboolinator-b98a4aa3893aecde.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-e276740ec84a0a22.rmeta --extern serialport=/opt/rustwide/target/debug/deps/libserialport-6cc4d85e3fa748d4.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-6770643c777eb9d1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c826fb4921808aed32d8766c1986c489eb94fa87b350ef4a6ed8aad65dd5bd3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c826fb4921808aed32d8766c1986c489eb94fa87b350ef4a6ed8aad65dd5bd3e", kill_on_drop: false }`
[INFO] [stdout] c826fb4921808aed32d8766c1986c489eb94fa87b350ef4a6ed8aad65dd5bd3e