[INFO] cloning repository https://github.com/agausmann/deimos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agausmann/deimos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fdeimos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fdeimos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29b9f340946e011651fc39ca4058826f7faef8e1
[INFO] documenting agausmann/deimos 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%2Fagausmann%2Fdeimos" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agausmann/deimos 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] removed /workspace/builds/worker-39/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-39/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/agausmann/deimos
[INFO] finished tweaking git repo https://github.com/agausmann/deimos
[INFO] tweaked toml for git repo https://github.com/agausmann/deimos written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/agausmann/deimos 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] f071ab35a775bddb8f5d06517740b04f51f4b3a3c824254d177dd87c62c6bc57
[INFO] running `Command { std: "docker" "start" "-a" "f071ab35a775bddb8f5d06517740b04f51f4b3a3c824254d177dd87c62c6bc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f071ab35a775bddb8f5d06517740b04f51f4b3a3c824254d177dd87c62c6bc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f071ab35a775bddb8f5d06517740b04f51f4b3a3c824254d177dd87c62c6bc57", kill_on_drop: false }`
[INFO] [stdout] f071ab35a775bddb8f5d06517740b04f51f4b3a3c824254d177dd87c62c6bc57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 016f0712e45b7f50a3b73b9952bae1164c24b6b9979dfb9927b49ad27182969f
[INFO] running `Command { std: "docker" "start" "-a" "016f0712e45b7f50a3b73b9952bae1164c24b6b9979dfb9927b49ad27182969f", kill_on_drop: false }`
[INFO] [stderr]    Compiling deimos-kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]     Checking deimos-stivale2 v0.1.0 (/opt/rustwide/workdir/stivale2)
[INFO] [stderr]  Documenting deimos-stivale2 v0.1.0 (/opt/rustwide/workdir/stivale2)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> stivale2/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ptr_metadata)]
[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 `deimos-stivale2` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> stivale2/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ptr_metadata)]
[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 document `deimos-stivale2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name deimos_stivale2 stivale2/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c0a6e5a2b8c626de -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "016f0712e45b7f50a3b73b9952bae1164c24b6b9979dfb9927b49ad27182969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f0712e45b7f50a3b73b9952bae1164c24b6b9979dfb9927b49ad27182969f", kill_on_drop: false }`
[INFO] [stdout] 016f0712e45b7f50a3b73b9952bae1164c24b6b9979dfb9927b49ad27182969f