[INFO] updating cached repository https://github.com/brianp/muxed [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 545617201c3140c043b7052a341a840849b43560 [INFO] checking brianp/muxed against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianp%2Fmuxed" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brianp/muxed on toolchain d939f708d960161d23b964309ba68ff207fc0ead [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/brianp/muxed [INFO] removed workspace from git repo https://github.com/brianp/muxed [INFO] removed path dependency common from git repo https://github.com/brianp/muxed [INFO] removed path dependency edit from git repo https://github.com/brianp/muxed [INFO] removed path dependency load from git repo https://github.com/brianp/muxed [INFO] removed path dependency new from git repo https://github.com/brianp/muxed [INFO] removed path dependency snapshot from git repo https://github.com/brianp/muxed [INFO] finished tweaking git repo https://github.com/brianp/muxed [INFO] tweaked toml for git repo https://github.com/brianp/muxed written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/brianp/muxed already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (edit) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (load) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (new) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (snapshot) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (edit) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (load) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (new) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (snapshot) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 40c395cbcf53edeb09edb2c3320492724bad6da14f7dedbebd21630fba10fc19 [INFO] running `"docker" "start" "-a" "40c395cbcf53edeb09edb2c3320492724bad6da14f7dedbebd21630fba10fc19"` [INFO] [stderr] warning: dependency (common) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (edit) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (load) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (new) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: dependency (snapshot) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Checking bs58 v0.2.5 [INFO] [stderr] Checking new v0.0.0 [INFO] [stderr] Checking load v0.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking which v3.1.1 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/load-0.0.2/src/queue.rs:242:26 [INFO] [stderr] | [INFO] [stderr] 242 | spawn(proc() { [INFO] [stderr] | -^ expected one of `)`, `,`, `.`, `?`, or an operator [INFO] [stderr] | | [INFO] [stderr] | help: missing `,` [INFO] [stderr] [INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/load-0.0.2/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![license = "Mozilla Publice License, v. 2.0"] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54726 for more information [INFO] [stderr] = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0463]: can't find crate for `rand` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/load-0.0.2/src/lib.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | extern crate rand; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stderr] [INFO] [stderr] Checking pretty_assertions v0.2.1 [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0463, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0463`. [INFO] [stderr] error: could not compile `load`. [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] 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: 0x7f718a3e50b4 - 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: 0x7f718a3e50b4 - 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: 0x7f718a3e50b4 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7f718a3e50b4 - ::fmt::h1834f0d5f0f485d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7f718a41dacc - core::fmt::write::h6932942104d5f1ae [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x7f718a3d6de3 - std::io::Write::write_fmt::h6ea75dc393077354 [INFO] [stderr] at src/libstd/io/mod.rs:1427 [INFO] [stderr] 6: 0x7f718a3e9f25 - std::sys_common::backtrace::_print::hbdd2af06305a234c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7f718a3e9f25 - std::sys_common::backtrace::print::hfa2e5bb1407a0009 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7f718a3e9f25 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7f718a3e9c72 - std::panicking::default_hook::h853dd04629d084b0 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7f718aa48573 - rustc_driver::report_ice::h37110b2df4d302f9 [INFO] [stderr] 11: 0x7f718a3ea6a5 - std::panicking::rust_panic_with_hook::h06766489222c5b1f [INFO] [stderr] at src/libstd/panicking.rs:515 [INFO] [stderr] 12: 0x7f718a3ea1bb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 13: 0x7f718a41a761 - core::panicking::panic_fmt::h70f73dd0c53f6a1b [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 14: 0x7f718a41a6ad - core::panicking::panic::h8949d295691d9372 [INFO] [stderr] at src/libcore/panicking.rs:54 [INFO] [stderr] 15: 0x7f718cdd9662 - core::ops::function::FnOnce::call_once::h12065f39f0b6311b [INFO] [stderr] 16: 0x7f718cb8fa4b - rustc::ty::query::::compute::h10dbd539d40032dc [INFO] [stderr] 17: 0x7f718cf7ed46 - rustc::dep_graph::graph::DepGraph::with_task_impl::h22d1ca3dfce40383 [INFO] [stderr] 18: 0x7f718ca62248 - rustc::ty::query::plumbing::::get_query::h12f8870478f2960f [INFO] [stderr] 19: 0x7f718cffd752 - rustc::hir::map::Map::get_entry::hf2f179e059dc5b6b [INFO] [stderr] 20: 0x7f718cfff203 - rustc::hir::map::Map::find::heb2dc2f1416b8ea3 [INFO] [stderr] 21: 0x7f718b7d0cc6 - rustc_passes::dead::MarkSymbolVisitor::check_def_id::h3bcbce5fca999079 [INFO] [stderr] 22: 0x7f718b73873b - rustc_hir::intravisit::walk_item::hfcde566590e287e5 [INFO] [stderr] 23: 0x7f718b7d366a - rustc_passes::dead::check_crate::h13e54a581f9d47cc [INFO] [stderr] 24: 0x7f718ac3a650 - rustc_session::utils::::time::h2458cf43f4082c3e [INFO] [stderr] 25: 0x7f718aca8e43 - rustc_interface::passes::analysis::{{closure}}::{{closure}}::hdcc55c3c5716b148 [INFO] [stderr] 26: 0x7f718ac3cd94 - rustc_session::utils::::time::h603ac2a75c23020f [INFO] [stderr] 27: 0x7f718acd3cb4 - rustc_interface::passes::analysis::hb2fbc780c128cb58 [INFO] [stderr] 28: 0x7f718aa54bc7 - rustc::ty::query::__query_compute::analysis::hc470241115f763ae [INFO] [stderr] 29: 0x7f718aabdb1e - rustc::dep_graph::graph::DepGraph::with_task_impl::h8145b42b895db173 [INFO] [stderr] 30: 0x7f718aa949a4 - rustc::ty::query::plumbing::::get_query::h425ea7995d3cc545 [INFO] [stderr] 31: 0x7f718aaccb97 - rustc::ty::context::tls::enter_global::h11e9f6894fc852b9 [INFO] [stderr] 32: 0x7f718aa9d184 - rustc_interface::interface::run_compiler_in_existing_thread_pool::ha8f28fc7f7f9165a [INFO] [stderr] 33: 0x7f718aa5036c - std::sys_common::backtrace::__rust_begin_short_backtrace::h30918276b81a492f [INFO] [stderr] 34: 0x7f718aa9fa0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::he7fca40d43338451 [INFO] [stderr] 35: 0x7f718a3c683f - as core::ops::function::FnOnce>::call_once::hbe1510c05c206603 [INFO] [stderr] at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/liballoc/boxed.rs:1017 [INFO] [stderr] 36: 0x7f718a3fa1fd - as core::ops::function::FnOnce>::call_once::hfa7747e768ca5f70 [INFO] [stderr] at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/liballoc/boxed.rs:1017 [INFO] [stderr] 37: 0x7f718a3fa1fd - std::sys_common::thread::start_thread::h82b98ca7eaf2b310 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 38: 0x7f718a3fa1fd - std::sys::unix::thread::Thread::new::thread_start::h62648d7fb5a14d76 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:80 [INFO] [stderr] 39: 0x7f718a1606db - start_thread [INFO] [stderr] 40: 0x7f7189a7d88f - __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] running `"docker" "inspect" "40c395cbcf53edeb09edb2c3320492724bad6da14f7dedbebd21630fba10fc19"` [INFO] running `"docker" "rm" "-f" "40c395cbcf53edeb09edb2c3320492724bad6da14f7dedbebd21630fba10fc19"` [INFO] [stdout] 40c395cbcf53edeb09edb2c3320492724bad6da14f7dedbebd21630fba10fc19