[INFO] cloning repository https://github.com/hex2f/smultron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hex2f/smultron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhex2f%2Fsmultron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhex2f%2Fsmultron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56a8d390c84442fd32cbaf2148a401ce4fb4703b
[INFO] testing hex2f/smultron against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhex2f%2Fsmultron" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hex2f/smultron
[INFO] finished tweaking git repo https://github.com/hex2f/smultron
[INFO] tweaked toml for git repo https://github.com/hex2f/smultron written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hex2f/smultron on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hex2f/smultron 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5
[INFO] running `Command { std: "docker" "start" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libos v0.1.0 (/opt/rustwide/workdir/userspace/libos)
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.34
[INFO] [stdout] warning: suspicious definition of the runtime `memcpy` symbol used by the standard library
[INFO] [stdout]    --> userspace/libos/src/lib.rs:264:1
[INFO] [stdout]     |
[INFO] [stdout] 264 | extern "C" fn memcpy(dst: *mut u8, src: *const u8, n: usize) -> *mut u8 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void, *const c_void, usize) -> *mut c_void`
[INFO] [stdout]             found    `extern "C" fn(*mut u8, *const u8, usize) -> *mut u8`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "memcpy")]`, or `#[link_name = "memcpy"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stdout] warning: suspicious definition of the runtime `memset` symbol used by the standard library
[INFO] [stdout]    --> userspace/libos/src/lib.rs:276:1
[INFO] [stdout]     |
[INFO] [stdout] 276 | extern "C" fn memset(dst: *mut u8, val: i32, n: usize) -> *mut u8 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void, i32, usize) -> *mut c_void`
[INFO] [stdout]             found    `extern "C" fn(*mut u8, i32, usize) -> *mut u8`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "memset")]`, or `#[link_name = "memset"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `memcmp` symbol used by the standard library
[INFO] [stdout]    --> userspace/libos/src/lib.rs:289:1
[INFO] [stdout]     |
[INFO] [stdout] 289 | extern "C" fn memcmp(a: *const u8, b: *const u8, n: usize) -> i32 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*const c_void, *const c_void, usize) -> i32`
[INFO] [stdout]             found    `extern "C" fn(*const u8, *const u8, usize) -> i32`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "memcmp")]`, or `#[link_name = "memcmp"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/rustwide/workdir/userspace/apps/ls)
[INFO] [stderr]    Compiling sed v0.1.0 (/opt/rustwide/workdir/userspace/apps/sed)
[INFO] [stderr]    Compiling x86_64 v0.15.4
[INFO] [stderr]    Compiling x86_64 v0.14.13
[INFO] [stderr]    Compiling cat v0.1.0 (/opt/rustwide/workdir/userspace/apps/cat)
[INFO] [stderr]    Compiling init v0.1.0 (/opt/rustwide/workdir/userspace/apps/init)
[INFO] [stderr] error: failed to run custom build command for `kernel v0.1.0 (/opt/rustwide/workdir/kernel)`
[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/kernel-c907ef0a80821f71/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 `beta` 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 'main' (213) panicked at kernel/build.rs:86:9:
[INFO] [stderr]   failed to build userspace app: init
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c0ee89e1ff1 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c0ee89e1ff1 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c0ee89e1ff1 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5c0ee89e1ff1 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5c0ee89f31ba - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c0ee89f31ba - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stderr]      6:     0x5c0ee89e5f3c - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stderr]      7:     0x5c0ee89e5f3c - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stderr]      8:     0x5c0ee89c5556 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5c0ee89c5556 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5c0ee89dd0b1 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5c0ee89dd26b - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x5c0ee89c5602 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x5c0ee89bd289 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5c0ee89c5ddd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x5c0ee89f38ec - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c0ee89aaf6d - build_script_build[ac6e0ea34201be40]::build_user_app
[INFO] [stderr]     17:     0x5c0ee89ab242 - build_script_build[ac6e0ea34201be40]::main
[INFO] [stderr]     18:     0x5c0ee89aea23 - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5c0ee89aa386 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5c0ee89aa879 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5c0ee89dc447 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5c0ee89dc447 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stderr]     23:     0x5c0ee89dc447 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5c0ee89dc447 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5c0ee89dc447 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5c0ee89dc447 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stderr]     27:     0x5c0ee89dc447 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5c0ee89dc447 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5c0ee89dc447 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5c0ee89aa301 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5c0ee89aecf5 - main
[INFO] [stderr]     32:     0x7d9905e4b1ca - <unknown>
[INFO] [stderr]     33:     0x7d9905e4b28b - __libc_start_main
[INFO] [stderr]     34:     0x5c0ee89a8e55 - _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 beta 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]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5", kill_on_drop: false }`
[INFO] [stdout] 9c77bbe40c42b73920c26868d2f41118076f60ce41353fe1ada9f4d4b205e3a5
