[INFO] cloning repository https://github.com/jonlamb-gh/rpi4-rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/rpi4-rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi4-rust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi4-rust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3060d2b198673b4b1db1115da559632d5cb6b34
[INFO] documenting jonlamb-gh/rpi4-rust-workspace 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%2Fjonlamb-gh%2Frpi4-rust-workspace" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/rpi4-rust-workspace 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-22/source/.cargo/config
[INFO] removed /workspace/builds/worker-22/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jonlamb-gh/rpi4-rust-workspace
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/rpi4-rust-workspace
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/rpi4-rust-workspace written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/rpi4-rust-workspace 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/jonlamb-gh/nanojpeg-rs`
[INFO] [stderr]     Updating git repository `https://github.com/jonlamb-gh/linked-list-allocator.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded tiff v0.4.0
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded image v0.23.3
[INFO] [stderr]   Downloaded nom v5.1.1
[INFO] [stderr]   Downloaded panic-abort v0.3.2
[INFO] [stderr]   Downloaded embedded-graphics v0.6.2
[INFO] [stderr]   Downloaded ctor v0.1.13
[INFO] [stderr]   Downloaded embedded-graphics-simulator v0.2.0
[INFO] [stderr]   Downloaded micromath v1.0.0
[INFO] [stderr]   Downloaded smoltcp v0.6.0
[INFO] [stderr]   Downloaded generic-array v0.14.1
[INFO] [stderr]   Downloaded tock-registers v0.5.0
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded cortex-a v2.9.0
[INFO] [stderr]   Downloaded register v0.5.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded bounded-registers v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] dc6a1a73ab21c0253116d7aa73355ae81a12c9baf7365ef7928a1e0051cee3db
[INFO] running `Command { std: "docker" "start" "-a" "dc6a1a73ab21c0253116d7aa73355ae81a12c9baf7365ef7928a1e0051cee3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6a1a73ab21c0253116d7aa73355ae81a12c9baf7365ef7928a1e0051cee3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6a1a73ab21c0253116d7aa73355ae81a12c9baf7365ef7928a1e0051cee3db", kill_on_drop: false }`
[INFO] [stdout] dc6a1a73ab21c0253116d7aa73355ae81a12c9baf7365ef7928a1e0051cee3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 63ee2cb04d14dd6448422c52ba8ab0b6534727804168c77d3cefe98220b6fd16
[INFO] running `Command { std: "docker" "start" "-a" "63ee2cb04d14dd6448422c52ba8ab0b6534727804168c77d3cefe98220b6fd16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking tock-registers v0.5.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking micromath v1.0.0
[INFO] [stderr]     Checking linked_list_allocator v0.8.1 (https://github.com/jonlamb-gh/linked-list-allocator.git?branch=master#79ea7853)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.5.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/linked-list-allocator-fd4ab21d68d744a1/79ea785/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "63ee2cb04d14dd6448422c52ba8ab0b6534727804168c77d3cefe98220b6fd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ee2cb04d14dd6448422c52ba8ab0b6534727804168c77d3cefe98220b6fd16", kill_on_drop: false }`
[INFO] [stdout] 63ee2cb04d14dd6448422c52ba8ab0b6534727804168c77d3cefe98220b6fd16