[INFO] cloning repository https://github.com/Castle96/system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Castle96/system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCastle96%2Fsystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCastle96%2Fsystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26138e303cd127ed682efc2f3df60cc0918112db
[INFO] documenting Castle96/system against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCastle96%2Fsystem" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Castle96/system
[INFO] finished tweaking git repo https://github.com/Castle96/system
[INFO] tweaked toml for git repo https://github.com/Castle96/system written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Castle96/system on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Castle96/system 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader-boot-config v0.11.11
[INFO] [stderr]   Downloaded fatfs v0.3.6
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded gpt v3.1.0
[INFO] [stderr]   Downloaded mbrman v0.5.4
[INFO] [stderr]   Downloaded bootloader v0.11.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a66e60cde94f3cb7b98f4e3e763dc31ada0105f1590982e9009e0da0b02f3ab3
[INFO] running `Command { std: "docker" "start" "-a" "a66e60cde94f3cb7b98f4e3e763dc31ada0105f1590982e9009e0da0b02f3ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a66e60cde94f3cb7b98f4e3e763dc31ada0105f1590982e9009e0da0b02f3ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66e60cde94f3cb7b98f4e3e763dc31ada0105f1590982e9009e0da0b02f3ab3", kill_on_drop: false }`
[INFO] [stdout] a66e60cde94f3cb7b98f4e3e763dc31ada0105f1590982e9009e0da0b02f3ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c15d2ee2066460e28d3e76ff0b5b18ef2cac44dc2c74df6522f1a6e4bf6abd7
[INFO] running `Command { std: "docker" "start" "-a" "9c15d2ee2066460e28d3e76ff0b5b18ef2cac44dc2c74df6522f1a6e4bf6abd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking radium v0.7.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]    Compiling bootloader v0.11.11
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking fatfs v0.3.6
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr] error: failed to run custom build command for `bootloader v0.11.11`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/bootloader-a39caa5d97fe14b4/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr] 
[INFO] [stderr]   thread '<unnamed>' (359) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.11/build.rs:162:9:
[INFO] [stderr]   failed to build bios boot sector
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]   error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr]      0:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1fc355ade2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1fc355ade2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1fc356a3cf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1fc356a3cf - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e1fc352b4a1 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1fc352b4a1 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e1fc3535a72 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1fc35386ff - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e1fc3538559 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e1fc3538d85 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e1fc3538be6 - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x5e1fc3535ba9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e1fc351fcbd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e1fc356dd80 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1fc3512a45 - build_script_build::build_bios_boot_sector::h27fa50a465264bd2
[INFO] [stderr]     17:     0x5e1fc3514f11 - core::ops::function::FnOnce::call_once::h40ad7e7c6647b1ba
[INFO] [stderr]     18:     0x5e1fc3513dbd - std::sys::backtrace::__rust_begin_short_backtrace::he780362f640721dd
[INFO] [stderr]     19:     0x5e1fc350eff6 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::he569e60802bb2a1e
[INFO] [stderr]     20:     0x5e1fc350fb49 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he84565e8553a331f
[INFO] [stderr]     21:     0x5e1fc351439a - std::panicking::catch_unwind::do_call::hb12ff0dd178106e2
[INFO] [stderr]     22:     0x5e1fc350f90b - __rust_try
[INFO] [stderr]     23:     0x5e1fc350cc15 - std::thread::Builder::spawn_unchecked_::{{closure}}::h1ac8dd823f2be0a4
[INFO] [stderr]     24:     0x5e1fc3514e46 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h30848e5b14a09fe0
[INFO] [stderr]     25:     0x5e1fc353189f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]     26:     0x5e1fc353189f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]     27:     0x75fd4c60baa4 - <unknown>
[INFO] [stderr]     28:     0x75fd4c698a34 - clone
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr]   thread '<unnamed>' (360) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.11/build.rs:229:9:
[INFO] [stderr]   failed to build bios second stage
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1fc355ade2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1fc355ade2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1fc356a3cf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1fc356a3cf - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e1fc352b4a1 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1fc352b4a1 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e1fc3535a72 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1fc35386ff - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e1fc3538559 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e1fc3538d85 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e1fc3538be6 - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x5e1fc3535ba9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e1fc351fcbd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e1fc356dd80 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1fc351033b - build_script_build::build_bios_stage_2::h2416cd1a5fb2774f
[INFO] [stderr]     17:     0x5e1fc3514fb1 - core::ops::function::FnOnce::call_once::h8bd36100aec78be3
[INFO] [stderr]     18:     0x5e1fc3513d3d - std::sys::backtrace::__rust_begin_short_backtrace::h89f75cecc2df6294
[INFO] [stderr]     19:     0x5e1fc350e976 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h587ad00eabfb9838
[INFO] [stderr]     20:     0x5e1fc350f9b9 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1025e07db1b66cc2
[INFO] [stderr]     21:     0x5e1fc351427a - std::panicking::catch_unwind::do_call::h84eb6f4206844629
[INFO] [stderr]     22:     0x5e1fc350f90b - __rust_try
[INFO] [stderr]     23:     0x5e1fc350d475 - std::thread::Builder::spawn_unchecked_::{{closure}}::h5615fe2d8e05e6b6
[INFO] [stderr]     24:     0x5e1fc3514e56 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3f8e5659fd6de00c
[INFO] [stderr]     25:     0x5e1fc353189f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]     26:     0x5e1fc353189f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]     27:     0x75fd4c60baa4 - <unknown>
[INFO] [stderr]     28:     0x75fd4c698a34 - clone
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr]   thread '<unnamed>' (357) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.11/build.rs:33:69:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1fc355ade2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1fc355ade2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1fc356a3cf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1fc356a3cf - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e1fc352b4a1 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1fc352b4a1 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e1fc3535a72 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1fc35386ff - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e1fc3538559 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e1fc3538d85 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e1fc3538c1a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5e1fc3535ba9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e1fc351fcbd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e1fc356dd80 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1fc356d626 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x5e1fc351319f - build_script_build::bios_main::h6333898f8fd81a62
[INFO] [stderr]     18:     0x5e1fc3514f26 - core::ops::function::FnOnce::call_once::h503db7418525fa19
[INFO] [stderr]     19:     0x5e1fc3513d06 - std::sys::backtrace::__rust_begin_short_backtrace::h4a28facf41e9b5a9
[INFO] [stderr]     20:     0x5e1fc350e896 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3f567f84b2528234
[INFO] [stderr]     21:     0x5e1fc350fab1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h53f9c717fe61ffbc
[INFO] [stderr]     22:     0x5e1fc3514411 - std::panicking::catch_unwind::do_call::hf389024bdbefb4b5
[INFO] [stderr]     23:     0x5e1fc350f90b - __rust_try
[INFO] [stderr]     24:     0x5e1fc350e6d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hfe8c2be9378f3ac7
[INFO] [stderr]     25:     0x5e1fc3514e86 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd607fe148225c053
[INFO] [stderr]     26:     0x5e1fc353189f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]     27:     0x5e1fc353189f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]     28:     0x75fd4c60baa4 - <unknown>
[INFO] [stderr]     29:     0x75fd4c698a34 - clone
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr]   error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr]   error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr] 
[INFO] [stderr]   thread '<unnamed>' (356) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.11/build.rs:98:9:
[INFO] [stderr]   failed to build uefi bootloader
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1fc355ade2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1fc355ade2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1fc356a3cf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1fc356a3cf - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e1fc352b4a1 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1fc352b4a1 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e1fc3535a72 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1fc35386ff - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e1fc3538559 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e1fc3538d85 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e1fc3538be6 - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x5e1fc3535ba9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e1fc351fcbd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e1fc356dd80 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1fc351217a - build_script_build::build_uefi_bootloader::h588d5b8b8135fa5c
[INFO] [stderr]     17:     error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
[INFO] [stderr]   See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
[INFO] [stderr]   0x5e1fc3513a46 - build_script_build::uefi_main::hdfa0ef0bbb064c77
[INFO] [stderr]     18:     0x5e1fc3514f76 - core::ops::function::FnOnce::call_once::h5fe81a3d738f3481
[INFO] [stderr]     19:     0x5e1fc3513cf6 - std::sys::backtrace::__rust_begin_short_backtrace::h2cee6c5428c8625b
[INFO] [stderr]     20:     0x5e1fc350e9d6 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h64761b91fa353d74
[INFO] [stderr]     21:     0x5e1fc350fb01 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hceb8c102d5d36cee
[INFO] [stderr]     22:     0x5e1fc3514231 - std::panicking::catch_unwind::do_call::h054dce02d26a3196
[INFO] [stderr]     23:     0x5e1fc350f90b - __rust_try
[INFO] [stderr]     24:     0x5e1fc350c792 - std::thread::Builder::spawn_unchecked_::{{closure}}::h01d8ecfaac921dbc
[INFO] [stderr]     25:     0x5e1fc3514e76 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9218a075e80657e8
[INFO] [stderr]     26:     0x5e1fc353189f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]     27:     0x5e1fc353189f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]     28:     0x75fd4c60baa4 - <unknown>
[INFO] [stderr]     29:     0x75fd4c698a34 - clone
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (355) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bootloader-0.11.11/build.rs:16:29:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1fc355ade2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1fc355ade2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e1fc355ade2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e1fc356a3cf - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e1fc356a3cf - core::fmt::write::hecf68a131630c74d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e1fc352b4a1 - std::io::default_write_fmt::haf8355dc2afbec95
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e1fc352b4a1 - std::io::Write::write_fmt::h93c9a261259c931a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e1fc3535a72 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e1fc35386ff - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e1fc3538559 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e1fc3538d85 - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e1fc3538c1a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5e1fc3535ba9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e1fc351fcbd - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e1fc356dd80 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5e1fc356d626 - core::result::unwrap_failed::h5d9b16b0b732a2ac
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x5e1fc3512e11 - build_script_build::main::h508ccb270bc40aec
[INFO] [stderr]     18:     0x5e1fc3514ef3 - core::ops::function::FnOnce::call_once::h1561ca83afc055e8
[INFO] [stderr]     19:     0x5e1fc3513cc6 - std::sys::backtrace::__rust_begin_short_backtrace::h0b3b873f6e8f402e
[INFO] [stderr]     20:     0x5e1fc3513b69 - std::rt::lang_start::{{closure}}::h3a87b9b71fc7c893
[INFO] [stderr]     21:     0x5e1fc352cd80 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc7ed5622678f5124
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5e1fc352cd80 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x5e1fc352cd80 - std::panicking::catch_unwind::hff67b45e0819a036
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x5e1fc352cd80 - std::panic::catch_unwind::hec0fb0db85f7fd60
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5e1fc352cd80 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5e1fc352cd80 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x5e1fc352cd80 - std::panicking::catch_unwind::h3816830c825cbe04
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x5e1fc352cd80 - std::panic::catch_unwind::h408406c8f02ebb9d
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5e1fc352cd80 - std::rt::lang_start_internal::hce2b8b328837374b
[INFO] [stderr]                                  at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5e1fc3513b51 - std::rt::lang_start::hd54ba5d65da7b611
[INFO] [stderr]     31:     0x5e1fc3518255 - main
[INFO] [stderr]     32:     0x75fd4c5991ca - <unknown>
[INFO] [stderr]     33:     0x75fd4c59928b - __libc_start_main
[INFO] [stderr]     34:     0x5e1fc3508505 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.13/src/lib.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "const_fn", feature(const_mut_refs))] // GDT add_entry()
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.13/src/lib.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "abi_x86_interrupt", feature(abi_x86_interrupt))]
[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/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.13/src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "step_trait", feature(step_trait))]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c15d2ee2066460e28d3e76ff0b5b18ef2cac44dc2c74df6522f1a6e4bf6abd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c15d2ee2066460e28d3e76ff0b5b18ef2cac44dc2c74df6522f1a6e4bf6abd7", kill_on_drop: false }`
[INFO] [stdout] 9c15d2ee2066460e28d3e76ff0b5b18ef2cac44dc2c74df6522f1a6e4bf6abd7
