[INFO] fetching crate async-mutex 1.4.0... [INFO] building async-mutex-1.4.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180 [INFO] extracting crate async-mutex 1.4.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate async-mutex 1.4.0 on toolchain 2cd6942e35a7765b6869d3a149ca54f2598b77ad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-mutex 1.4.0 [INFO] finished tweaking crates.io crate async-mutex 1.4.0 [INFO] tweaked toml for crates.io crate async-mutex 1.4.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate async-mutex 1.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-global-executor v1.2.1 [INFO] [stderr] Downloaded futures-lite v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "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] a11ff5cffedde0fda99526e087aced5e2d633e88f785c8412772bb76a25bf017 [INFO] running `Command { std: "docker" "start" "-a" "a11ff5cffedde0fda99526e087aced5e2d633e88f785c8412772bb76a25bf017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a11ff5cffedde0fda99526e087aced5e2d633e88f785c8412772bb76a25bf017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a11ff5cffedde0fda99526e087aced5e2d633e88f785c8412772bb76a25bf017", kill_on_drop: false }` [INFO] [stdout] a11ff5cffedde0fda99526e087aced5e2d633e88f785c8412772bb76a25bf017 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f751b2e9d18d5966ecfb74ff7294f75402a71894af5b54f482aefbe9be6d80b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5f751b2e9d18d5966ecfb74ff7294f75402a71894af5b54f482aefbe9be6d80b", kill_on_drop: false }` [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling async-mutex v1.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:124:30 [INFO] [stdout] | [INFO] [stdout] 124 | match self.state.compare_and_swap(0, 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:139:30 [INFO] [stdout] | [INFO] [stdout] 139 | match self.state.compare_and_swap(0, 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:178:30 [INFO] [stdout] | [INFO] [stdout] 178 | match self.state.compare_and_swap(2, 2 | 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:220:23 [INFO] [stdout] | [INFO] [stdout] 220 | if self.state.compare_and_swap(0, 1, Ordering::Acquire) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:293:23 [INFO] [stdout] | [INFO] [stdout] 293 | if self.state.compare_and_swap(0, 1, Ordering::Acquire) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "5f751b2e9d18d5966ecfb74ff7294f75402a71894af5b54f482aefbe9be6d80b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f751b2e9d18d5966ecfb74ff7294f75402a71894af5b54f482aefbe9be6d80b", kill_on_drop: false }` [INFO] [stdout] 5f751b2e9d18d5966ecfb74ff7294f75402a71894af5b54f482aefbe9be6d80b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7278dc51707b3d83dbcb4c205aae1d7f1bf44c9efad4c2a519c726a54d533fd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f7278dc51707b3d83dbcb4c205aae1d7f1bf44c9efad4c2a519c726a54d533fd", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling fastrand v1.3.5 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling async-task v4.0.2 [INFO] [stderr] Compiling async-mutex v1.3.0 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:124:30 [INFO] [stdout] | [INFO] [stdout] 124 | match self.state.compare_and_swap(0, 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:139:30 [INFO] [stdout] | [INFO] [stdout] 139 | match self.state.compare_and_swap(0, 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:178:30 [INFO] [stdout] | [INFO] [stdout] 178 | match self.state.compare_and_swap(2, 2 | 1, Ordering::Acquire) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:220:23 [INFO] [stdout] | [INFO] [stdout] 220 | if self.state.compare_and_swap(0, 1, Ordering::Acquire) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:293:23 [INFO] [stdout] | [INFO] [stdout] 293 | if self.state.compare_and_swap(0, 1, Ordering::Acquire) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-lite v1.8.0 [INFO] [stderr] Compiling futures-lite v0.1.11 [INFO] [stderr] Compiling async-channel v1.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling blocking v0.4.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling async-executor v1.3.0 [INFO] [stderr] Compiling blocking v1.0.0 [INFO] [stderr] Compiling nb-connect v1.0.0 [INFO] [stderr] Compiling polling v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.15 [INFO] [stderr] Compiling async-io v1.1.2 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling futures-intrusive v0.3.1 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling async-global-executor v1.2.1 [INFO] [stderr] Compiling async-std v1.6.4 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling smol v0.1.18 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/compiler/rustc_errors/src/lib.rs:1103:9 [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type &mut Box in MIR, but typeck only knows about {ResumeTy, &mut Async, impl FnMut(&mut T) -> io::Result, impl std::future::Future>, impl std::future::Future>, Pin<&mut impl std::future::Future>>, Pin<&mut impl std::future::Future>>, futures_util::future::Select>>, Pin<&mut impl std::future::Future>>>, ()} and [&mut async_io::Async, impl FnMut(&mut T) -> io::Result] [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smol-0.1.18/src/async_io.rs:296:99 [INFO] [stdout] | [INFO] [stdout] 296 | pub async fn with_mut(&mut self, op: impl FnMut(&mut T) -> io::Result) -> io::Result { [INFO] [stdout] | ___________________________________________________________________________________________________^ [INFO] [stdout] 297 | | let mut op = op; [INFO] [stdout] 298 | | let io = self.io.as_mut().unwrap(); [INFO] [stdout] 299 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 311 | | } [INFO] [stdout] 312 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f0cf8cd067c - std::backtrace_rs::backtrace::libunwind::trace::hab3bb7239730ce1e [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x7f0cf8cd067c - std::backtrace_rs::backtrace::trace_unsynchronized::h7c00739330269721 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f0cf8cd067c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f0cf8cd067c - ::fmt::h6b1f9c749ca5dfce [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f0cf8d3185c - core::fmt::write::h14b56021008c8193 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17 [INFO] [stderr] 5: 0x7f0cf8cbfc23 - std::io::Write::write_fmt::h00903ac5c84da4ab [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15 [INFO] [stderr] 6: 0x7f0cf8cd4aa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f0cf8cd4aa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f0cf8cd4aa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50 [INFO] [stderr] 9: 0x7f0cf8cd4685 - std::panicking::default_hook::hd9ee213c07ceee82 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9 [INFO] [stderr] 10: 0x7f0cf94b1f91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0} [INFO] [stderr] 11: 0x7f0cf8cd52bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17 [INFO] [stderr] 12: 0x7f0cf97281d1 - std[8ff7d40267274bc7]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7f0cf9727d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7f0cf968e3ff - std[8ff7d40267274bc7]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7f0cf9708f5d - std[8ff7d40267274bc7]::panic::panic_any:: [INFO] [stderr] 16: 0x7f0cf97058c8 - ::span_bug:: [INFO] [stderr] 17: 0x7f0cf9705680 - ::span_bug:: [INFO] [stderr] 18: 0x7f0cf966b0f8 - rustc_middle[8a77eead77a7de65]::ty::context::tls::with_opt::::{closure#0}, ()> [INFO] [stderr] 19: 0x7f0cf966b1b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt:: [INFO] [stderr] 20: 0x7f0cf966b17c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt:: [INFO] [stderr] 21: 0x7f0cfb4c99d3 - ::run_pass [INFO] [stderr] 22: 0x7f0cfa7fc50f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes [INFO] [stderr] 23: 0x7f0cfa7bd4e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir [INFO] [stderr] 24: 0x7f0cfad74eb2 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::try_execute_query::> [INFO] [stderr] 25: 0x7f0cfadc0247 - ::optimized_mir [INFO] [stderr] 26: 0x7f0cfae7d068 - ::encode_crate_root [INFO] [stderr] 27: 0x7f0cfb95132f - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata_impl [INFO] [stderr] 28: 0x7f0cfb977971 - rustc_data_structures[bb4cd459dd765b6f]::sync::join:: [INFO] [stderr] 29: 0x7f0cfb950b43 - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata [INFO] [stderr] 30: 0x7f0cfb324fb0 - ::ongoing_codegen [INFO] [stderr] 31: 0x7f0cfb3007dd - ::enter::, rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 32: 0x7f0cfb301db6 - rustc_span[7ad56b2a1dc47726]::with_source_map::, rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#1}> [INFO] [stderr] 33: 0x7f0cfb2ffb5e - rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}> [INFO] [stderr] 34: 0x7f0cfb2e3d5b - >::set::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 35: 0x7f0cfb2e3b35 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>> [INFO] [stderr] 36: 0x7f0cfb2e26e9 - <::spawn_unchecked_, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#1} as core[25abe57cfe4190a5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 37: 0x7f0cf8ce0e63 - as core::ops::function::FnOnce>::call_once::h37fad153086c8632 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 38: 0x7f0cf8ce0e63 - as core::ops::function::FnOnce>::call_once::h63ac285b00349412 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9 [INFO] [stderr] 39: 0x7f0cf8ce0e63 - std::sys::unix::thread::Thread::new::thread_start::ha85c370649f33522 [INFO] [stderr] at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 40: 0x7f0cf8bf2609 - start_thread [INFO] [stderr] 41: 0x7f0cf8b0c293 - clone [INFO] [stderr] 42: 0x0 - [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.60.0-nightly (2cd6942e3 2022-01-26) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [optimized_mir] optimizing MIR for `async_io::::with_mut::{closure#0}` [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smol` due to previous error [INFO] running `Command { std: "docker" "inspect" "f7278dc51707b3d83dbcb4c205aae1d7f1bf44c9efad4c2a519c726a54d533fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7278dc51707b3d83dbcb4c205aae1d7f1bf44c9efad4c2a519c726a54d533fd", kill_on_drop: false }` [INFO] [stdout] f7278dc51707b3d83dbcb4c205aae1d7f1bf44c9efad4c2a519c726a54d533fd