[INFO] cloning repository https://github.com/Idolf/testboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Idolf/testboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb3e881350b74efd9c0602d0e35f4f638f874532
[INFO] documenting Idolf/testboard against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idolf/testboard on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-24/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Idolf/testboard
[INFO] finished tweaking git repo https://github.com/Idolf/testboard
[INFO] tweaked toml for git repo https://github.com/Idolf/testboard written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/Idolf/testboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49117c262817379c3c500a24fb00737897ba0edd75236cecb8e0b4a149b7a632
[INFO] running `Command { std: "docker" "start" "-a" "49117c262817379c3c500a24fb00737897ba0edd75236cecb8e0b4a149b7a632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49117c262817379c3c500a24fb00737897ba0edd75236cecb8e0b4a149b7a632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49117c262817379c3c500a24fb00737897ba0edd75236cecb8e0b4a149b7a632", kill_on_drop: false }`
[INFO] [stdout] 49117c262817379c3c500a24fb00737897ba0edd75236cecb8e0b4a149b7a632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d85fa1632ed39afb0d6a12827c9c32ad2e636a92afedd6828e05c4d18c317ec
[INFO] running `Command { std: "docker" "start" "-a" "2d85fa1632ed39afb0d6a12827c9c32ad2e636a92afedd6828e05c4d18c317ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking bare-metal v0.2.1
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling efm32hg309f64 v0.1.0 (https://github.com/Idolf/efm32hg309f64.git#119ff02b)
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.1
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.3
[INFO] [stderr]    Compiling cortex-m-rt v0.5.1
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking heapless v0.3.6 (https://github.com/japaric/heapless.git#e2fbadfd)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:85:43
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![cfg_attr(feature = "const-fn", 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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:85:35
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:86:35
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(feature = "const-fn", feature(const_manually_drop_new))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:87:35
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![cfg_attr(feature = "const-fn", feature(untagged_unions))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "smaller-atomics", feature(core_intrinsics))]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(feature = "const-fn", feature(const_manually_drop_new))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:88:50
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "smaller-atomics", feature(core_intrinsics))]
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_manually_drop_new`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(feature = "const-fn", feature(const_manually_drop_new))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: unions cannot contain fields that may need dropping
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/__core.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             some: T,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
[INFO] [stdout] help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
[INFO] [stdout]    |
[INFO] [stdout] 13 |             some: std::mem::ManuallyDrop<T>,
[INFO] [stdout]    |                   +++++++++++++++++++++++ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Self: core::marker::Copy` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:29:46
[INFO] [stdout]     |
[INFO] [stdout] 29  |         unsafe { intrinsics::atomic_load_acq(x) }
[INFO] [stdout]     |                  --------------------------- ^ the trait `core::marker::Copy` is not implemented for `Self`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `atomic_load_acq`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn load_acquire(x: *mut Self) -> Self where Self: core::marker::Copy {
[INFO] [stdout]     |                                           ++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Self: core::marker::Copy` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:39:50
[INFO] [stdout]     |
[INFO] [stdout] 39  |         unsafe { intrinsics::atomic_load_relaxed(x) }
[INFO] [stdout]     |                  ------------------------------- ^ the trait `core::marker::Copy` is not implemented for `Self`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `atomic_load_relaxed`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 38  |     fn load_relaxed(x: *mut Self) -> Self where Self: core::marker::Copy {
[INFO] [stdout]     |                                           ++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Self: core::marker::Copy` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:49:18
[INFO] [stdout]     |
[INFO] [stdout] 49  |         unsafe { intrinsics::atomic_store_rel(x, val) }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `core::marker::Copy` is not implemented for `Self`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `atomic_store_rel`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 48  |     fn store_release(x: *mut Self, val: Self) where Self: core::marker::Copy {
[INFO] [stdout]     |                                               ++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0557, E0635, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heapless` due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d85fa1632ed39afb0d6a12827c9c32ad2e636a92afedd6828e05c4d18c317ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d85fa1632ed39afb0d6a12827c9c32ad2e636a92afedd6828e05c4d18c317ec", kill_on_drop: false }`
[INFO] [stdout] 2d85fa1632ed39afb0d6a12827c9c32ad2e636a92afedd6828e05c4d18c317ec