[INFO] cloning repository https://github.com/oaktree11/rust-versatilepb-vga [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oaktree11/rust-versatilepb-vga" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foaktree11%2Frust-versatilepb-vga", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foaktree11%2Frust-versatilepb-vga'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 039c33d1bb28e33dd609ff1db4eef1600ae6c368 [INFO] checking oaktree11/rust-versatilepb-vga against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foaktree11%2Frust-versatilepb-vga" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oaktree11/rust-versatilepb-vga on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oaktree11/rust-versatilepb-vga [INFO] finished tweaking git repo https://github.com/oaktree11/rust-versatilepb-vga [INFO] tweaked toml for git repo https://github.com/oaktree11/rust-versatilepb-vga written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/oaktree11/rust-versatilepb-vga already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] be7e86c8ca27cde309e2f6dce2fd6bb8feb4ec82066554a4d51675b516ca96c5 [INFO] running `Command { std: "docker" "start" "-a" "be7e86c8ca27cde309e2f6dce2fd6bb8feb4ec82066554a4d51675b516ca96c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be7e86c8ca27cde309e2f6dce2fd6bb8feb4ec82066554a4d51675b516ca96c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be7e86c8ca27cde309e2f6dce2fd6bb8feb4ec82066554a4d51675b516ca96c5", kill_on_drop: false }` [INFO] [stdout] be7e86c8ca27cde309e2f6dce2fd6bb8feb4ec82066554a4d51675b516ca96c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 94d615e611153211ef3466080fce31de86e152b1c361c0749deebb6137f85fa6 [INFO] running `Command { std: "docker" "start" "-a" "94d615e611153211ef3466080fce31de86e152b1c361c0749deebb6137f85fa6", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling kernel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking spinning_top v0.1.0 [INFO] [stderr] Checking linked_list_allocator v0.8.3 [INFO] [stderr] error: failed to run custom build command for `kernel v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/kernel-34dfbc83db9cdd1d/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: NotPresent', build.rs:4:47 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5576faa81480 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5576faa81480 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5576faa81480 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5576faa81480 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5576faa9828c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x5576faa7f312 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x5576faa831b5 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5576faa831b5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5576faa831b5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5576faa82c63 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5576faa83951 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5576faa83497 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5576faa8191c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5576faa833f9 - rust_begin_unwind [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5576faa97661 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5576faa97483 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x5576faa696a0 - core::result::Result::unwrap::h2d54d726e296a175 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5576faa69869 - build_script_build::main::hf384c90ee9b0c0f7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4:23 [INFO] [stderr] 18: 0x5576faa69bab - core::ops::function::FnOnce::call_once::h110ff6560e9eb5b8 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5576faa695ce - std::sys_common::backtrace::__rust_begin_short_backtrace::hbfc3fefda255bf13 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5576faa69481 - std::rt::lang_start::{{closure}}::h2592509472546a11 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5576faa83d77 - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5576faa83d77 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5576faa83d77 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5576faa83d77 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x5576faa83d77 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5576faa69457 - std::rt::lang_start::h19e4b5877cfc6283 [INFO] [stderr] at /rustc/9503ea19edbf01b9435e80e17d60ce1b88390116/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5576faa6995a - main [INFO] [stderr] 28: 0x7fe945eab0b3 - __libc_start_main [INFO] [stderr] 29: 0x5576faa6909e - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.8.3/src/hole.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | next: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57349 for more information [INFO] [stdout] = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "94d615e611153211ef3466080fce31de86e152b1c361c0749deebb6137f85fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d615e611153211ef3466080fce31de86e152b1c361c0749deebb6137f85fa6", kill_on_drop: false }` [INFO] [stdout] 94d615e611153211ef3466080fce31de86e152b1c361c0749deebb6137f85fa6