[INFO] cloning repository https://github.com/cbiffle/emb.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/emb.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Femb.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Femb.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33fb6d83270e5c2974ef0728f98e173c5e920812
[INFO] documenting cbiffle/emb.rs against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Femb.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbiffle/emb.rs on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/cbiffle/emb.rs
[INFO] finished tweaking git repo https://github.com/cbiffle/emb.rs
[INFO] tweaked toml for git repo https://github.com/cbiffle/emb.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cbiffle/emb.rs 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: invalid character `:` in feature `cpu:cortex-m4f` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc:stm32f407` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `[` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `]` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `cpu:cortex-m4f` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc:stm32f407` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `[` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `]` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/workspace/builds/worker-0-tc2/source/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fcca8331f945cc452980b425796e0d4023d6c1a6ec46522bd477c9d2211c4e0
[INFO] running `Command { std: "docker" "start" "-a" "7fcca8331f945cc452980b425796e0d4023d6c1a6ec46522bd477c9d2211c4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fcca8331f945cc452980b425796e0d4023d6c1a6ec46522bd477c9d2211c4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcca8331f945cc452980b425796e0d4023d6c1a6ec46522bd477c9d2211c4e0", kill_on_drop: false }`
[INFO] [stdout] 7fcca8331f945cc452980b425796e0d4023d6c1a6ec46522bd477c9d2211c4e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff402624cb1f79896e0b52fcf7b0889fd610d952f7782075a1f4d37975321bc
[INFO] running `Command { std: "docker" "start" "-a" "7ff402624cb1f79896e0b52fcf7b0889fd610d952f7782075a1f4d37975321bc", kill_on_drop: false }`
[INFO] [stderr] warning: invalid character `:` in feature `cpu:cortex-m4f` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc:stm32f407` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `[` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `]` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `cpu:cortex-m4f` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc:stm32f407` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `[` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `]` in feature `soc_family:stm32f4[01]` in package embrs v0.1.0 (/opt/rustwide/workdir/embrs), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking embrs v0.1.0 (/opt/rustwide/workdir/embrs)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> embrs/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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: cannot find macro `asm` in this scope
[INFO] [stdout]   --> embrs/src/arm_m/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         asm!("msr PRIMASK, $0"
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> embrs/src/arm_m/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         asm!("isb" :::: "volatile")
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> embrs/src/arm_m/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         asm!("dsb" :::: "volatile")
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> embrs/src/arm_m/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         asm!("dmb" :::: "volatile")
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> embrs/src/arm_m/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         asm!("wfi" :::: "volatile")
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 | ex_impl!(u32);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 | ex_impl!(u32);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 | ex_impl!(u32);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 | ex_impl!(u16);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 | ex_impl!(u16);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 | ex_impl!(u16);
[INFO] [stdout]     | ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 | ex_impl!(u8);
[INFO] [stdout]     | ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 | ex_impl!(u8);
[INFO] [stdout]     | ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> embrs/src/arm_m/reg.rs:75:17
[INFO] [stdout]     |
[INFO] [stdout] 75  |                 asm!(concat!("ldrex", ex_suffix!($ty), " $0, [$1]\n",
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 | ex_impl!(u8);
[INFO] [stdout]     | ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this macro:
[INFO] [stdout]             core::arch::asm
[INFO] [stdout]     = note: this error originates in the macro `atomic_rmw` which comes from the expansion of the macro `ex_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> embrs/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> embrs/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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]  --> embrs/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> embrs/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ex_suffix`
[INFO] [stdout]   --> embrs/src/arm_m/reg.rs:89:14
[INFO] [stdout]    |
[INFO] [stdout] 89 | macro_rules! ex_suffix {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> embrs/src/stm32f4/dma.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout] 91  | / bitflags! {
[INFO] [stdout] 92  | |     /// The set of interrupt bit flags that can appear for a given DMA stream.
[INFO] [stdout] 93  | |     /// These are used to indicate stream status (in the Interrupt Status
[INFO] [stdout] 94  | |     /// Registers) and to change it (in the Interrupt Flag Clear Registers).
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |     }
[INFO] [stdout] 102 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> embrs/src/stm32f4/dma.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout] 91  | / bitflags! {
[INFO] [stdout] 92  | |     /// The set of interrupt bit flags that can appear for a given DMA stream.
[INFO] [stdout] 93  | |     /// These are used to indicate stream status (in the Interrupt Status
[INFO] [stdout] 94  | |     /// Registers) and to change it (in the Interrupt Flag Clear Registers).
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |     }
[INFO] [stdout] 102 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> embrs/src/stm32f4/gpio.rs:81:1
[INFO] [stdout]     |
[INFO] [stdout] 81  | / bitflags! {
[INFO] [stdout] 82  | |     /// Names a group of pins on a single GPIO port.  The STM32F4 GPIO is
[INFO] [stdout] 83  | |     /// designed so that most operations can be applied to any subset of pins
[INFO] [stdout] 84  | |     /// for the same cost as a single pin, so we expose that oddity here.
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |     }
[INFO] [stdout] 105 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> embrs/src/stm32f4/gpio.rs:81:1
[INFO] [stdout]     |
[INFO] [stdout] 81  | / bitflags! {
[INFO] [stdout] 82  | |     /// Names a group of pins on a single GPIO port.  The STM32F4 GPIO is
[INFO] [stdout] 83  | |     /// designed so that most operations can be applied to any subset of pins
[INFO] [stdout] 84  | |     /// for the same cost as a single pin, so we expose that oddity here.
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |     }
[INFO] [stdout] 105 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> embrs/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> embrs/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]  --> embrs/src/lang.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / pub extern fn panic_fmt(_msg: core::fmt::Arguments,
[INFO] [stdout] 8 | |                         _file: &'static str,
[INFO] [stdout] 9 | |                         _line: u32) -> ! {
[INFO] [stdout]   | |________________________________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `core` (which `embrs` depends on)
[INFO] [stdout]   = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib
[INFO] [stdout]   = note: second definition in the local crate (`embrs`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embrs` (lib) due to 22 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7ff402624cb1f79896e0b52fcf7b0889fd610d952f7782075a1f4d37975321bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff402624cb1f79896e0b52fcf7b0889fd610d952f7782075a1f4d37975321bc", kill_on_drop: false }`
[INFO] [stdout] 7ff402624cb1f79896e0b52fcf7b0889fd610d952f7782075a1f4d37975321bc
