[INFO] cloning repository https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fraspberry-pi-bare-metal-ray-marching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOlivierLemoine%2Fraspberry-pi-bare-metal-ray-marching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a451ecc021491dc578e6ebeb2d5ff17345ba963
[INFO] documenting OlivierLemoine/raspberry-pi-bare-metal-ray-marching 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%2FOlivierLemoine%2Fraspberry-pi-bare-metal-ray-marching" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching 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-9/source/.cargo/config
[INFO] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching
[INFO] finished tweaking git repo https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching
[INFO] tweaked toml for git repo https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/OlivierLemoine/raspberry-pi-bare-metal-ray-marching 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]     Updating git repository `https://github.com/OlivierLemoine/raspberry-pi-4-hal`
[INFO] [stderr]     Updating git repository `https://github.com/OlivierLemoine/linked-list-allocator`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 210890599f6f9b11c1e832176c0909f3b10c4794d868d8804627e1533afd39da
[INFO] running `Command { std: "docker" "start" "-a" "210890599f6f9b11c1e832176c0909f3b10c4794d868d8804627e1533afd39da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "210890599f6f9b11c1e832176c0909f3b10c4794d868d8804627e1533afd39da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210890599f6f9b11c1e832176c0909f3b10c4794d868d8804627e1533afd39da", kill_on_drop: false }`
[INFO] [stdout] 210890599f6f9b11c1e832176c0909f3b10c4794d868d8804627e1533afd39da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 698aabad19bde9933defee67559e961b821ef5b35a088aa99f46b532f358e6b2
[INFO] running `Command { std: "docker" "start" "-a" "698aabad19bde9933defee67559e961b821ef5b35a088aa99f46b532f358e6b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking register v0.1.0 (https://github.com/OlivierLemoine/raspberry-pi-4-hal#a0331243)
[INFO] [stderr]     Checking linked-list-alloc v0.1.0 (https://github.com/OlivierLemoine/linked-list-allocator#c29f9815)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/linked-list-allocator-dea7877b7481c07f/c29f981/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hal v0.1.0 (https://github.com/OlivierLemoine/raspberry-pi-4-hal#a0331243)
[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 `linked-list-alloc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/raspberry-pi-4-hal-cdcdfa362cae12ed/a033124/src/time.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     asm!(
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/raspberry-pi-4-hal-cdcdfa362cae12ed/a033124/src/time.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         asm!("mrs {}, cntpct_el0", out(reg) count);
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/raspberry-pi-4-hal-cdcdfa362cae12ed/a033124/src/time.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             asm!("nop");
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/raspberry-pi-4-hal-cdcdfa362cae12ed/a033124/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `hal` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "698aabad19bde9933defee67559e961b821ef5b35a088aa99f46b532f358e6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698aabad19bde9933defee67559e961b821ef5b35a088aa99f46b532f358e6b2", kill_on_drop: false }`
[INFO] [stdout] 698aabad19bde9933defee67559e961b821ef5b35a088aa99f46b532f358e6b2