[INFO] crate osprey 0.4.4 is already in cache [INFO] checking osprey-0.4.4 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087 [INFO] extracting crate osprey 0.4.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate osprey 0.4.4 on toolchain d939f708d960161d23b964309ba68ff207fc0ead [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate osprey 0.4.4 [INFO] finished tweaking crates.io crate osprey 0.4.4 [INFO] tweaked toml for crates.io crate osprey 0.4.4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 049ba926761c7947a6f569dd2f25ffcf6f55d763e6c33391da7b19e2003f0f05 [INFO] running `"docker" "start" "-a" "049ba926761c7947a6f569dd2f25ffcf6f55d763e6c33391da7b19e2003f0f05"` [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Checking collect-mac v0.1.0 [INFO] [stderr] Compiling typed-arena v1.7.0 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling anymap v0.12.1 [INFO] [stderr] Checking rpds v0.5.0 [INFO] [stderr] Compiling gluon_vm v0.9.4 [INFO] [stderr] Checking union-find v0.3.2 [INFO] [stderr] Checking frunk_core v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking pretty v0.5.2 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling gluon_codegen v0.9.4 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Checking codespan v0.1.3 [INFO] [stderr] Compiling bindgen v0.51.1 [INFO] [stderr] Checking codespan-reporting v0.1.4 [INFO] [stderr] Checking gluon_base v0.9.4 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking goblin v0.2.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Checking gluon_check v0.9.4 [INFO] [stderr] Compiling gluon v0.9.4 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/librustc/hir/mod.rs:81:37 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fb514d1c0b4 - backtrace::backtrace::libunwind::trace::hdbfb90b3ac3ad82c [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7fb514d1c0b4 - backtrace::backtrace::trace_unsynchronized::hdc2d8de557dbdcaf [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7fb514d1c0b4 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7fb514d1c0b4 - ::fmt::h1834f0d5f0f485d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7fb514d54acc - core::fmt::write::h6932942104d5f1ae [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x7fb514d0dde3 - std::io::Write::write_fmt::h6ea75dc393077354 [INFO] [stderr] at src/libstd/io/mod.rs:1427 [INFO] [stderr] 6: 0x7fb514d20f25 - std::sys_common::backtrace::_print::hbdd2af06305a234c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7fb514d20f25 - std::sys_common::backtrace::print::hfa2e5bb1407a0009 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7fb514d20f25 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7fb514d20c72 - std::panicking::default_hook::h853dd04629d084b0 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7fb51537f573 - rustc_driver::report_ice::h37110b2df4d302f9 [INFO] [stderr] 11: 0x7fb514d216a5 - std::panicking::rust_panic_with_hook::h06766489222c5b1f [INFO] [stderr] at src/libstd/panicking.rs:515 [INFO] [stderr] 12: 0x7fb514d211bb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 13: 0x7fb514d51761 - core::panicking::panic_fmt::h70f73dd0c53f6a1b [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 14: 0x7fb514d516ad - core::panicking::panic::h8949d295691d9372 [INFO] [stderr] at src/libcore/panicking.rs:54 [INFO] [stderr] 15: 0x7fb517710662 - core::ops::function::FnOnce::call_once::h12065f39f0b6311b [INFO] [stderr] 16: 0x7fb5174c6a4b - rustc::ty::query::::compute::h10dbd539d40032dc [INFO] [stderr] 17: 0x7fb5178b5d46 - rustc::dep_graph::graph::DepGraph::with_task_impl::h22d1ca3dfce40383 [INFO] [stderr] 18: 0x7fb517399248 - rustc::ty::query::plumbing::::get_query::h12f8870478f2960f [INFO] [stderr] 19: 0x7fb517934752 - rustc::hir::map::Map::get_entry::hf2f179e059dc5b6b [INFO] [stderr] 20: 0x7fb517936203 - rustc::hir::map::Map::find::heb2dc2f1416b8ea3 [INFO] [stderr] 21: 0x7fb516107cc6 - rustc_passes::dead::MarkSymbolVisitor::check_def_id::h3bcbce5fca999079 [INFO] [stderr] 22: 0x7fb51606f73b - rustc_hir::intravisit::walk_item::hfcde566590e287e5 [INFO] [stderr] 23: 0x7fb51610a66a - rustc_passes::dead::check_crate::h13e54a581f9d47cc [INFO] [stderr] 24: 0x7fb515571650 - rustc_session::utils::::time::h2458cf43f4082c3e [INFO] [stderr] 25: 0x7fb5155dfe43 - rustc_interface::passes::analysis::{{closure}}::{{closure}}::hdcc55c3c5716b148 [INFO] [stderr] 26: 0x7fb515573d94 - rustc_session::utils::::time::h603ac2a75c23020f [INFO] [stderr] 27: 0x7fb51560acb4 - rustc_interface::passes::analysis::hb2fbc780c128cb58 [INFO] [stderr] 28: 0x7fb51538bbc7 - rustc::ty::query::__query_compute::analysis::hc470241115f763ae [INFO] [stderr] 29: 0x7fb5153f4b1e - rustc::dep_graph::graph::DepGraph::with_task_impl::h8145b42b895db173 [INFO] [stderr] 30: 0x7fb5153cb9a4 - rustc::ty::query::plumbing::::get_query::h425ea7995d3cc545 [INFO] [stderr] 31: 0x7fb515403b97 - rustc::ty::context::tls::enter_global::h11e9f6894fc852b9 [INFO] [stderr] 32: 0x7fb5153d4184 - rustc_interface::interface::run_compiler_in_existing_thread_pool::ha8f28fc7f7f9165a [INFO] [stderr] 33: 0x7fb51538736c - std::sys_common::backtrace::__rust_begin_short_backtrace::h30918276b81a492f [INFO] [stderr] 34: 0x7fb5153d6a0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he7fca40d43338451 [INFO] [stderr] 35: 0x7fb514cfd83f - as core::ops::function::FnOnce>::call_once::hbe1510c05c206603 [INFO] [stderr] at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/liballoc/boxed.rs:1017 [INFO] [stderr] 36: 0x7fb514d311fd - as core::ops::function::FnOnce>::call_once::hfa7747e768ca5f70 [INFO] [stderr] at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/liballoc/boxed.rs:1017 [INFO] [stderr] 37: 0x7fb514d311fd - std::sys_common::thread::start_thread::h82b98ca7eaf2b310 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 38: 0x7fb514d311fd - std::sys::unix::thread::Thread::new::thread_start::h62648d7fb5a14d76 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:80 [INFO] [stderr] 39: 0x7fb514a976db - start_thread [INFO] [stderr] 40: 0x7fb5143b488f - __clone [INFO] [stderr] 41: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [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/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stderr] [INFO] [stderr] note: rustc 1.44.0-nightly (d939f708d 2020-03-18) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -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 [hir_owner] processing `regex` [INFO] [stderr] #1 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `docopt`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/stack.rs:502:9 [INFO] [stderr] | [INFO] [stderr] 493 | impl<'a: 'b, 'b, S> StackFrame<'b, S> [INFO] [stderr] | -- lifetime `'b` defined here [INFO] [stderr] ... [INFO] [stderr] 502 | self.stack [INFO] [stderr] | ^^^^^^^^^^ returning this value requires that `*self.stack` is borrowed for `'b` [INFO] [stderr] 503 | } [INFO] [stderr] | - here, drop of `self` needs exclusive access to `*self.stack`, because the type `stack::StackFrame<'_, S>` implements the `Drop` trait [INFO] [stderr] [INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/stack.rs:584:28 [INFO] [stderr] | [INFO] [stderr] 493 | impl<'a: 'b, 'b, S> StackFrame<'b, S> [INFO] [stderr] | -- lifetime `'b` defined here [INFO] [stderr] ... [INFO] [stderr] 584 | return Err(self.stack); [INFO] [stderr] | ----^^^^^^^^^^- returning this value requires that `*self.stack` is borrowed for `'b` [INFO] [stderr] ... [INFO] [stderr] 608 | } [INFO] [stderr] | - here, drop of `self` needs exclusive access to `*self.stack`, because the type `stack::StackFrame<'_, S>` implements the `Drop` trait [INFO] [stderr] [INFO] [stderr] error[E0502]: cannot borrow `*self.thread` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/thread.rs:1398:19 [INFO] [stderr] | [INFO] [stderr] 1397 | } = **self; [INFO] [stderr] | ----- mutable borrow occurs here [INFO] [stderr] 1398 | alloc(gc, self.thread, &stack, data) [INFO] [stderr] | ^^^^^^^^^^^ ------ mutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | immutable borrow occurs here [INFO] [stderr] [INFO] [stderr] error[E0502]: cannot borrow `*self.thread` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/thread.rs:1717:21 [INFO] [stderr] | [INFO] [stderr] 1714 | fn borrow_mut(&mut self) -> ExecuteContext { [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] 1715 | let context = &mut **self; [INFO] [stderr] | ----- mutable borrow occurs here [INFO] [stderr] 1716 | / ExecuteContext { [INFO] [stderr] 1717 | | thread: self.thread, [INFO] [stderr] | | ^^^^^^^^^^^ immutable borrow occurs here [INFO] [stderr] 1718 | | gc: &mut context.gc, [INFO] [stderr] 1719 | | stack: StackFrame::current(&mut context.stack), [INFO] [stderr] 1720 | | hook: &mut context.hook, [INFO] [stderr] 1721 | | } [INFO] [stderr] | |_________- returning this value requires that `*self` is borrowed for `'1` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0502, E0713. [INFO] [stderr] For more information about an error, try `rustc --explain E0502`. [INFO] [stderr] error: could not compile `gluon_vm`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "049ba926761c7947a6f569dd2f25ffcf6f55d763e6c33391da7b19e2003f0f05"` [INFO] running `"docker" "rm" "-f" "049ba926761c7947a6f569dd2f25ffcf6f55d763e6c33391da7b19e2003f0f05"` [INFO] [stdout] 049ba926761c7947a6f569dd2f25ffcf6f55d763e6c33391da7b19e2003f0f05