[INFO] cloning repository https://github.com/aosp-mirror-neo/toolchain_rustc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aosp-mirror-neo/toolchain_rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faosp-mirror-neo%2Ftoolchain_rustc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faosp-mirror-neo%2Ftoolchain_rustc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf5d50735f29daa78c34624cf2b7ccf4a8128297 [INFO] checking aosp-mirror-neo/toolchain_rustc against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faosp-mirror-neo%2Ftoolchain_rustc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. 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[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/aosp-mirror-neo/toolchain_rustc [INFO] finished tweaking git repo https://github.com/aosp-mirror-neo/toolchain_rustc [INFO] tweaked toml for git repo https://github.com/aosp-mirror-neo/toolchain_rustc written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/aosp-mirror-neo/toolchain_rustc on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/aosp-mirror-neo/toolchain_rustc 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-component-ld v0.5.10 [INFO] [stderr] Downloaded topological-sort v0.2.2 [INFO] [stderr] Downloaded opener v0.7.2 [INFO] [stderr] Downloaded pulldown-cmark-escape v0.10.1 [INFO] [stderr] Downloaded comma v1.0.0 [INFO] [stderr] Downloaded once_map v0.4.19 [INFO] [stderr] Downloaded terminal_size v0.3.0 [INFO] [stderr] Downloaded ctrlc v3.4.5 [INFO] [stderr] Downloaded yansi-term v0.1.2 [INFO] [stderr] Downloaded string_cache_codegen v0.5.2 [INFO] [stderr] Downloaded pulldown-cmark v0.10.3 [INFO] [stderr] Downloaded string_cache v0.8.7 [INFO] [stderr] Downloaded pulldown-cmark-escape v0.11.0 [INFO] [stderr] Downloaded gsgdt v0.1.2 [INFO] [stderr] Downloaded normpath v1.3.0 [INFO] [stderr] Downloaded self_cell v0.10.3 [INFO] [stderr] Downloaded punycode v0.4.1 [INFO] [stderr] Downloaded self_cell v1.0.4 [INFO] [stderr] Downloaded wit-parser v0.219.0 [INFO] [stderr] Downloaded thorin-dwp v0.8.0 [INFO] [stderr] Downloaded odht v0.3.1 [INFO] [stderr] Downloaded 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[stderr] Downloaded measureme v11.0.1 [INFO] [stderr] Downloaded ucd-parse v0.1.13 [INFO] [stderr] Downloaded camino v1.1.9 [INFO] [stderr] Downloaded clap_derive v4.5.18 [INFO] [stderr] Downloaded anyhow v1.0.89 [INFO] [stderr] Downloaded dissimilar v1.0.9 [INFO] [stderr] Downloaded expect-test v1.5.0 [INFO] [stderr] Downloaded memmap2 v0.2.3 [INFO] [stderr] Downloaded spanned v0.3.0 [INFO] [stderr] Downloaded fluent-syntax v0.11.1 [INFO] [stderr] Downloaded cargo-platform v0.1.8 [INFO] [stderr] Downloaded unified-diff v0.2.1 [INFO] [stderr] Downloaded pad v0.1.6 [INFO] [stderr] Downloaded windows-metadata v0.58.0 [INFO] [stderr] Downloaded anstyle-svg v0.1.5 [INFO] [stderr] Downloaded miow v0.6.0 [INFO] [stderr] Downloaded rustfix v0.8.1 [INFO] [stderr] Downloaded redox_syscall v0.5.6 [INFO] [stderr] Downloaded inout v0.1.3 [INFO] [stderr] Downloaded rustc-build-sysroot v0.5.4 [INFO] [stderr] Downloaded rustc_tools_util v0.3.0 [INFO] [stderr] Downloaded spdx-expression v0.5.2 [INFO] [stderr] Downloaded thiserror v1.0.64 [INFO] [stderr] Downloaded humansize v2.1.3 [INFO] [stderr] Downloaded bytecount v0.6.8 [INFO] [stderr] Downloaded clap-cargo v0.12.0 [INFO] [stderr] Downloaded indenter v0.3.3 [INFO] [stderr] Downloaded tracing-error v0.2.0 [INFO] [stderr] Downloaded anstyle-lossy v1.1.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.64 [INFO] [stderr] Downloaded derive_builder_core v0.20.1 [INFO] [stderr] Downloaded derive_builder_macro v0.20.1 [INFO] [stderr] Downloaded lexopt v0.3.0 [INFO] [stderr] Downloaded clap_lex v0.7.2 [INFO] [stderr] Downloaded wat v1.219.0 [INFO] [stderr] Downloaded wasm-metadata v0.219.0 [INFO] [stderr] Downloaded windows-bindgen v0.58.0 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e59fac022aeb0bdb618c3f15b25dcb2717e1058f0b25c05163b9fcabd289c925 [INFO] running `Command { std: "docker" "start" "-a" "e59fac022aeb0bdb618c3f15b25dcb2717e1058f0b25c05163b9fcabd289c925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e59fac022aeb0bdb618c3f15b25dcb2717e1058f0b25c05163b9fcabd289c925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e59fac022aeb0bdb618c3f15b25dcb2717e1058f0b25c05163b9fcabd289c925", kill_on_drop: false }` [INFO] [stdout] e59fac022aeb0bdb618c3f15b25dcb2717e1058f0b25c05163b9fcabd289c925 [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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81a2e36e7996e03ba31840c33648a4b5c6cad9a0cdb4dbb63c695012e9e65560 [INFO] running `Command { std: "docker" "start" "-a" "81a2e36e7996e03ba31840c33648a4b5c6cad9a0cdb4dbb63c695012e9e65560", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling cc v1.1.23 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling rustc_macros v0.0.0 (/opt/rustwide/workdir/compiler/rustc_macros) [INFO] [stderr] Checking thin-vec v0.2.13 [INFO] [stderr] Checking elsa v1.7.1 [INFO] [stderr] Checking rustc_arena v0.0.0 (/opt/rustwide/workdir/compiler/rustc_arena) [INFO] [stderr] Checking ena v0.14.3 [INFO] [stderr] Checking rustc_graphviz v0.0.0 (/opt/rustwide/workdir/compiler/rustc_graphviz) [INFO] [stdout] error[E0539]: malformed `rustc_macro_transparency` attribute input [INFO] [stdout] --> compiler/rustc_arena/src/lib.rs:607:1 [INFO] [stdout] | [INFO] [stdout] 607 | #[rustc_macro_transparency = "semitransparent"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | valid arguments are "transparent", "semiopaque" or "opaque" [INFO] [stdout] | [INFO] [stdout] help: try changing it to one of the following valid forms of the attribute [INFO] [stdout] | [INFO] [stdout] 607 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stdout] 607 + #[rustc_macro_transparency = "opaque"] [INFO] [stdout] | [INFO] [stdout] 607 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stdout] 607 + #[rustc_macro_transparency = "semiopaque"] [INFO] [stdout] | [INFO] [stdout] 607 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stdout] 607 + #[rustc_macro_transparency = "transparent"] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit_slice` has been stable since 1.93.0 and no longer requires an attribute to enable [INFO] [stdout] --> compiler/rustc_arena/src/lib.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | #![feature(maybe_uninit_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [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] --> compiler/rustc_arena/src/lib.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | #![feature(strict_provenance)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking rustc-stable-hash v0.1.0 [INFO] [stderr] error: failed to run custom build command for `rustc_macros v0.0.0 (/opt/rustwide/workdir/compiler/rustc_macros)` [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/rustc_macros-e8fd928a1be7f46b/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] cargo:rerun-if-env-changed=RUSTC_BOOTSTRAP [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] error: you are attempting to build the compiler without going through bootstrap [INFO] [stderr] help: see https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html for how to build the compiler [INFO] [stderr] help: if you know what you're doing, set the RUSTC_BOOTSTRAP environment variable to any value [INFO] [stderr] [INFO] [stderr] thread 'main' (265) panicked at compiler/rustc_macros/build.rs:14:9: [INFO] [stderr] wrong command used for building [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5da74ae9792a - std[ea3d40352a0a0ff5]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5da74ae9792a - std[ea3d40352a0a0ff5]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5da74ae9792a - std[ea3d40352a0a0ff5]::sys::backtrace::_print_fmt [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/sys/backtrace.rs:74:9 [INFO] [stderr] 3: 0x5da74ae9792a - <::print::DisplayBacktrace as core[23f5a60342aa571f]::fmt::Display>::fmt [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/sys/backtrace.rs:44:26 [INFO] [stderr] 4: 0x5da74aea827a - ::fmt [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/fmt/rt.rs:152:76 [INFO] [stderr] 5: 0x5da74aea827a - core[23f5a60342aa571f]::fmt::write [INFO] [stderr] 6: 0x5da74ae9b712 - std[ea3d40352a0a0ff5]::io::default_write_fmt:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/io/mod.rs:621:11 [INFO] [stderr] 7: 0x5da74ae9b712 - ::write_fmt [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/io/mod.rs:1976:13 [INFO] [stderr] 8: 0x5da74ae831ff - ::print [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/sys/backtrace.rs:47:9 [INFO] [stderr] 9: 0x5da74ae831ff - std[ea3d40352a0a0ff5]::panicking::default_hook::{closure#0} [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:292:27 [INFO] [stderr] 10: 0x5da74ae93b41 - std[ea3d40352a0a0ff5]::panicking::default_hook [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:319:9 [INFO] [stderr] 11: 0x5da74ae93cfb - std[ea3d40352a0a0ff5]::panicking::panic_with_hook [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:825:13 [INFO] [stderr] 12: 0x5da74ae832ea - std[ea3d40352a0a0ff5]::panicking::panic_handler::{closure#0} [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:691:13 [INFO] [stderr] 13: 0x5da74ae7af09 - std[ea3d40352a0a0ff5]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/sys/backtrace.rs:182:18 [INFO] [stderr] 14: 0x5da74ae83b1d - __rustc[9c6214d709f99ca1]::rust_begin_unwind [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:689:5 [INFO] [stderr] 15: 0x5da74aea896c - core[23f5a60342aa571f]::panicking::panic_fmt [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x5da74ae6d91d - build_script_build[c4e8130f97e701f1]::main [INFO] [stderr] 17: 0x5da74ae6d993 - >::call_once [INFO] [stderr] 18: 0x5da74ae6d7b6 - std[ea3d40352a0a0ff5]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] 19: 0x5da74ae6d7c9 - std[ea3d40352a0a0ff5]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] 20: 0x5da74ae93187 - <&dyn core[23f5a60342aa571f]::ops::function::Fn<(), Output = i32> + core[23f5a60342aa571f]::panic::unwind_safe::RefUnwindSafe + core[23f5a60342aa571f]::marker::Sync as core[23f5a60342aa571f]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 21: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panicking::catch_unwind::do_call::<&dyn core[23f5a60342aa571f]::ops::function::Fn<(), Output = i32> + core[23f5a60342aa571f]::panic::unwind_safe::RefUnwindSafe + core[23f5a60342aa571f]::marker::Sync, i32> [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:581:40 [INFO] [stderr] 22: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panicking::catch_unwind:: + core[23f5a60342aa571f]::panic::unwind_safe::RefUnwindSafe + core[23f5a60342aa571f]::marker::Sync> [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:544:19 [INFO] [stderr] 23: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panic::catch_unwind::<&dyn core[23f5a60342aa571f]::ops::function::Fn<(), Output = i32> + core[23f5a60342aa571f]::panic::unwind_safe::RefUnwindSafe + core[23f5a60342aa571f]::marker::Sync, i32> [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::rt::lang_start_internal::{closure#0} [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panicking::catch_unwind::do_call:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:581:40 [INFO] [stderr] 26: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panicking::catch_unwind:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panicking.rs:544:19 [INFO] [stderr] 27: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::panic::catch_unwind:: [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5da74ae93187 - std[ea3d40352a0a0ff5]::rt::lang_start_internal [INFO] [stderr] at /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5da74ae6d731 - std[ea3d40352a0a0ff5]::rt::lang_start::<()> [INFO] [stderr] 30: 0x5da74ae6d9f5 - main [INFO] [stderr] 31: 0x7e4dc2eab1ca - [INFO] [stderr] 32: 0x7e4dc2eab28b - __libc_start_main [INFO] [stderr] 33: 0x5da74ae6d555 - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no associated function or constant named `slice_assume_init_mut` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> compiler/rustc_arena/src/lib.rs:82:49 [INFO] [stdout] | [INFO] [stdout] 82 | ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(&mut slice[..len])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ associated function or constant not found in `MaybeUninit<_>` [INFO] [stdout] | [INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions: [INFO] [stdout] MaybeUninit::::new [INFO] [stdout] MaybeUninit::::uninit [INFO] [stdout] MaybeUninit::::zeroed [INFO] [stdout] --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/mem/maybe_uninit.rs:406:4 [INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd/library/core/src/mem/maybe_uninit.rs:1010:4 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0539, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0539`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc_arena` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "81a2e36e7996e03ba31840c33648a4b5c6cad9a0cdb4dbb63c695012e9e65560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81a2e36e7996e03ba31840c33648a4b5c6cad9a0cdb4dbb63c695012e9e65560", kill_on_drop: false }` [INFO] [stdout] 81a2e36e7996e03ba31840c33648a4b5c6cad9a0cdb4dbb63c695012e9e65560