[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 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idolf/testboard on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Idolf/efm32hg309f64.git`
[INFO] [stderr]     Updating git repository `https://github.com/japaric/heapless.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded embedded-hal v0.2.1
[INFO] [stderr]   Downloaded bare-metal v0.2.1
[INFO] [stderr]   Downloaded cortex-m v0.5.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04fd9f2169cbce26dcf185e60336d72ee39cfa53bdee8e6b8d7477433dd3aea4
[INFO] running `Command { std: "docker" "start" "-a" "04fd9f2169cbce26dcf185e60336d72ee39cfa53bdee8e6b8d7477433dd3aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04fd9f2169cbce26dcf185e60336d72ee39cfa53bdee8e6b8d7477433dd3aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04fd9f2169cbce26dcf185e60336d72ee39cfa53bdee8e6b8d7477433dd3aea4", kill_on_drop: false }`
[INFO] [stdout] 04fd9f2169cbce26dcf185e60336d72ee39cfa53bdee8e6b8d7477433dd3aea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc1c89b67dfe8f7e74f972677a32bb08ff778c6731321d061a7fbcbd50522f6
[INFO] running `Command { std: "docker" "start" "-a" "7fc1c89b67dfe8f7e74f972677a32bb08ff778c6731321d061a7fbcbd50522f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking bare-metal v0.2.1
[INFO] [stderr]    Compiling efm32hg309f64 v0.1.0 (https://github.com/Idolf/efm32hg309f64.git#119ff02b)
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[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-rt v0.5.1
[INFO] [stderr]    Compiling cortex-m v0.5.3
[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[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:87:43
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![cfg_attr(feature = "const-fn", feature(untagged_unions))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `atomic_load_acq` in module `intrinsics`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |         unsafe { intrinsics::atomic_load_acq(x) }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ help: a function with a similar name exists: `atomic_load_acquire`
[INFO] [stdout]   --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/intrinsics.rs:337:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named function `atomic_load_acquire` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `atomic_store_rel` in module `intrinsics`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |         unsafe { intrinsics::atomic_store_rel(x, val) }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `atomic_store_relaxed`
[INFO] [stdout]   --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/intrinsics.rs:371:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named function `atomic_store_relaxed` defined here
[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/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 stable 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]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[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: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[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: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]   --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/intrinsics.rs:344:5
[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: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, 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` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7fc1c89b67dfe8f7e74f972677a32bb08ff778c6731321d061a7fbcbd50522f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc1c89b67dfe8f7e74f972677a32bb08ff778c6731321d061a7fbcbd50522f6", kill_on_drop: false }`
[INFO] [stdout] 7fc1c89b67dfe8f7e74f972677a32bb08ff778c6731321d061a7fbcbd50522f6
[INFO] documenting Idolf/testboard against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idolf/testboard on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfbdc0505e3ca6c8934f3d1fa4706744e55389235c363c696d7ceca23fcd37be
[INFO] running `Command { std: "docker" "start" "-a" "cfbdc0505e3ca6c8934f3d1fa4706744e55389235c363c696d7ceca23fcd37be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfbdc0505e3ca6c8934f3d1fa4706744e55389235c363c696d7ceca23fcd37be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbdc0505e3ca6c8934f3d1fa4706744e55389235c363c696d7ceca23fcd37be", kill_on_drop: false }`
[INFO] [stdout] cfbdc0505e3ca6c8934f3d1fa4706744e55389235c363c696d7ceca23fcd37be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9b196160556a04cedc0823bdf9eafd439230fe113352e84e371d19a3ddddca
[INFO] running `Command { std: "docker" "start" "-a" "7d9b196160556a04cedc0823bdf9eafd439230fe113352e84e371d19a3ddddca", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling efm32hg309f64 v0.1.0 (https://github.com/Idolf/efm32hg309f64.git#119ff02b)
[INFO] [stderr]     Checking bare-metal v0.2.1
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[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-rt v0.5.1
[INFO] [stderr]    Compiling cortex-m v0.5.3
[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[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/lib.rs:87:43
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![cfg_attr(feature = "const-fn", feature(untagged_unions))]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `atomic_load_acq` in module `intrinsics`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |         unsafe { intrinsics::atomic_load_acq(x) }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ help: a function with a similar name exists: `atomic_load_acquire`
[INFO] [stdout]   --> /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/intrinsics.rs:337:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named function `atomic_load_acquire` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `atomic_store_rel` in module `intrinsics`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/heapless-9de3abde4d9bcaa0/e2fbadf/src/ring_buffer/mod.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |         unsafe { intrinsics::atomic_store_rel(x, val) }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `atomic_store_relaxed`
[INFO] [stdout]   --> /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/intrinsics.rs:371:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named function `atomic_store_relaxed` defined here
[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]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[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: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[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: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]   --> /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/intrinsics.rs:344:5
[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: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, 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` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d9b196160556a04cedc0823bdf9eafd439230fe113352e84e371d19a3ddddca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9b196160556a04cedc0823bdf9eafd439230fe113352e84e371d19a3ddddca", kill_on_drop: false }`
[INFO] [stdout] 7d9b196160556a04cedc0823bdf9eafd439230fe113352e84e371d19a3ddddca
