[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] checking Idolf/testboard against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdolf%2Ftestboard" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idolf/testboard on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/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-1/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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5199c88437581816843037e0860f7f9b347170401a241216946d1a4d37bfb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb5199c88437581816843037e0860f7f9b347170401a241216946d1a4d37bfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5199c88437581816843037e0860f7f9b347170401a241216946d1a4d37bfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5199c88437581816843037e0860f7f9b347170401a241216946d1a4d37bfb1", kill_on_drop: false }`
[INFO] [stdout] fb5199c88437581816843037e0860f7f9b347170401a241216946d1a4d37bfb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa59b7560ee5530596fa2075c9e5238c70857602b08dad1b1fb72f32741b399
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfa59b7560ee5530596fa2075c9e5238c70857602b08dad1b1fb72f32741b399", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling efm32hg309f64 v0.1.0 (https://github.com/Idolf/efm32hg309f64.git#119ff02b)
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking bare-metal v0.2.1
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking embedded-hal v0.2.1
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking heapless v0.3.6 (https://github.com/japaric/heapless.git#e2fbadfd)
[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[E0740]: unions may not contain fields that 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: `std::mem::ManuallyDrop` can be used to wrap the type
[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] 
[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] 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] 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] 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 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heapless`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cfa59b7560ee5530596fa2075c9e5238c70857602b08dad1b1fb72f32741b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa59b7560ee5530596fa2075c9e5238c70857602b08dad1b1fb72f32741b399", kill_on_drop: false }`
[INFO] [stdout] cfa59b7560ee5530596fa2075c9e5238c70857602b08dad1b1fb72f32741b399