[INFO] cloning repository https://github.com/salewski/rxv64--mfork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salewski/rxv64--mfork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalewski%2Frxv64--mfork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalewski%2Frxv64--mfork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 209acc3fa75ddc2f680783777f2dcd70df1c2a4f
[INFO] checking salewski/rxv64--mfork against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalewski%2Frxv64--mfork" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/salewski/rxv64--mfork
[INFO] finished tweaking git repo https://github.com/salewski/rxv64--mfork
[INFO] tweaked toml for git repo https://github.com/salewski/rxv64--mfork written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/salewski/rxv64--mfork on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/salewski/rxv64--mfork 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking salewski/rxv64--mfork against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalewski%2Frxv64--mfork" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/salewski/rxv64--mfork
[INFO] finished tweaking git repo https://github.com/salewski/rxv64--mfork
[INFO] tweaked toml for git repo https://github.com/salewski/rxv64--mfork written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/salewski/rxv64--mfork on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/salewski/rxv64--mfork 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded rustix v0.38.4
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.3
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf0c48b0f9555382e312c323ef9835988567fe1d7454ec54d0c6c9cd60a366df
[INFO] running `Command { std: "docker" "start" "-a" "bf0c48b0f9555382e312c323ef9835988567fe1d7454ec54d0c6c9cd60a366df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0c48b0f9555382e312c323ef9835988567fe1d7454ec54d0c6c9cd60a366df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0c48b0f9555382e312c323ef9835988567fe1d7454ec54d0c6c9cd60a366df", kill_on_drop: false }`
[INFO] [stdout] bf0c48b0f9555382e312c323ef9835988567fe1d7454ec54d0c6c9cd60a366df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c3570b6cec815c169c7fda459690a21d0fd0c544650138b2aafd07c03acb73
[INFO] running `Command { std: "docker" "start" "-a" "99c3570b6cec815c169c7fda459690a21d0fd0c544650138b2aafd07c03acb73", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking syslib v0.1.0 (/opt/rustwide/workdir/syslib)
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking ulib v0.1.0 (/opt/rustwide/workdir/ulib)
[INFO] [stdout] error[E0425]: cannot find function `from_exposed_addr_mut` in module `ptr`
[INFO] [stdout]   --> ulib/src/malloc.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         ptr::write(ptr::from_exposed_addr_mut(p.addr()), Header::new(nunits, mp.next));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_exposed_addr_mut` in module `ptr`
[INFO] [stdout]   --> ulib/src/malloc.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         ptr::write(ptr::from_exposed_addr_mut(p.addr()), Header::new(nunits, mp.next));
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_exposed_addr_mut` in module `ptr`
[INFO] [stdout]    --> ulib/src/malloc.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |             &mut *(ptr::from_exposed_addr_mut::<Header>(hp).sub(1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_exposed_addr_mut` in module `ptr`
[INFO] [stdout]    --> ulib/src/malloc.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |             &mut *(ptr::from_exposed_addr_mut::<Header>(hp).sub(1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> ulib/src/lib.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(not(any(test, feature = "cargo-clippy")), no_std)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> ulib/src/lib.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(not(any(test, feature = "cargo-clippy")), no_std)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> ulib/src/lib.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 | #[cfg(not(any(test, feature = "cargo-clippy")))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_const` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_const)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_const` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_const)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ulib/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(strict_provenance)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]    --> ulib/src/lib.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | #[no_mangle]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 179 | pub extern "C" fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]     | ------------------------------------------------------------ should be the internal language item
[INFO] [stdout]     |
[INFO] [stdout]     = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]     = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]     = note: debuggers support a command such as `rbreak rust_begin_unwind` to
[INFO] [stdout]     = note: match `.*rust_begin_unwind.*` instead of `break rust_begin_unwind` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: VaArgSafe` is not satisfied
[INFO] [stdout]   --> ulib/src/rvdprintf.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |         b'c' => putc(fd, unsafe { ap.arg::<u8>() }),
[INFO] [stdout]    |                                      ---   ^^ the trait `VaArgSafe` is not implemented for `u8`
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `VaArgSafe`:
[INFO] [stdout]              f64
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              isize
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              usize
[INFO] [stdout] note: required by a bound in `VaListImpl::<'f>::arg`
[INFO] [stdout]   --> /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/ffi/va_list.rs:256:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: VaArgSafe` is not satisfied
[INFO] [stdout]   --> ulib/src/rvdprintf.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |         b'c' => putc(fd, unsafe { ap.arg::<u8>() }),
[INFO] [stdout]    |                                      ---   ^^ the trait `VaArgSafe` is not implemented for `u8`
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `VaArgSafe`:
[INFO] [stdout]              f64
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              isize
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              usize
[INFO] [stdout] note: required by a bound in `VaListImpl::<'f>::arg`
[INFO] [stdout]   --> /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/ffi/va_list.rs:256:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `#[panic_handler]` function has wrong type
[INFO] [stdout]    --> ulib/src/lib.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub extern "C" fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected signature `for<'a, 'b> fn(&'a PanicInfo<'b>) -> _`
[INFO] [stdout]                found signature `extern "C" for<'a, 'b> fn(&'a PanicInfo<'b>) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ulib` (lib) due to 6 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ulib` (lib test) due to 3 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "99c3570b6cec815c169c7fda459690a21d0fd0c544650138b2aafd07c03acb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c3570b6cec815c169c7fda459690a21d0fd0c544650138b2aafd07c03acb73", kill_on_drop: false }`
[INFO] [stdout] 99c3570b6cec815c169c7fda459690a21d0fd0c544650138b2aafd07c03acb73
