[INFO] fetching crate interledger-settlement-engines 0.2.0...
[INFO] testing interledger-settlement-engines-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate interledger-settlement-engines 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate interledger-settlement-engines 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interledger-settlement-engines 0.2.0
[INFO] finished tweaking crates.io crate interledger-settlement-engines 0.2.0
[INFO] tweaked toml for crates.io crate interledger-settlement-engines 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate interledger-settlement-engines 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded openssl-sys v0.9.50
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[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded os_type v2.2.0
[INFO] [stderr]   Downloaded interledger-packet v0.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4411c8211f1635eda1bd8f7d6b8f702a306e01f52ad6d86d1ac4ac68918eaa53
[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" "4411c8211f1635eda1bd8f7d6b8f702a306e01f52ad6d86d1ac4ac68918eaa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4411c8211f1635eda1bd8f7d6b8f702a306e01f52ad6d86d1ac4ac68918eaa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4411c8211f1635eda1bd8f7d6b8f702a306e01f52ad6d86d1ac4ac68918eaa53", kill_on_drop: false }`
[INFO] [stdout] 4411c8211f1635eda1bd8f7d6b8f702a306e01f52ad6d86d1ac4ac68918eaa53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ab1de903212ed34b221846dcfd8d19dbdb90dd338d372814c7bd8cfbf875cde
[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" "7ab1de903212ed34b221846dcfd8d19dbdb90dd338d372814c7bd8cfbf875cde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
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[INFO] [stderr]    Compiling interledger-service v0.3.0
[INFO] [stderr]    Compiling interledger-ildcp v0.3.0
[INFO] [stderr]    Compiling websocket v0.21.1
[INFO] [stderr]    Compiling tokio-uds v0.1.7
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling headers-core v0.1.1
[INFO] [stderr]    Compiling tungstenite v0.9.1
[INFO] [stderr]    Compiling headers v0.2.3
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling warp v0.1.20
[INFO] [stderr]    Compiling reqwest v0.9.22
[INFO] [stderr]    Compiling web3 v0.8.0
[INFO] [stderr]    Compiling interledger-http v0.3.0
[INFO] [stderr]    Compiling interledger-settlement v0.2.0
[INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.20/src/filters/sse.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 482 | /     pub fn stream<S>(
[INFO] [stdout] 483 | |         self,
[INFO] [stdout] 484 | |         event_stream: S,
[INFO] [stdout] 485 | |     ) -> impl Stream<
[INFO] [stdout] ...   |
[INFO] [stdout] 501 | |         }
[INFO] [stdout] 502 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: delayed at compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs:87:44
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1050:13
[INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/warp-0.1.20/src/filters/sse.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / pub fn keep<S>(
[INFO] [stdout] 516 | |     event_stream: S,
[INFO] [stdout] 517 | |     keep_interval: impl Into<Option<Duration>>,
[INFO] [stdout] 518 | | ) -> impl Stream<
[INFO] [stdout] ...   |
[INFO] [stdout] 537 | |     }
[INFO] [stdout] 538 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: delayed at compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs:87:44
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f276577a090 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7f276577a090 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f276577a090 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f276577a090 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he312f4ad5b9bb346
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f27657e7cfc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]    5:     0x7f276576b975 - std::io::Write::write_fmt::h6aced00850e8186f
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]    6:     0x7f276577ddab - std::sys_common::backtrace::_print::h65d996766de40da4
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f276577ddab - std::sys_common::backtrace::print::h40df9727e635f303
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f276577ddab - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f276577d881 - std::panicking::default_hook::h3d55120ad6ada158
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f2765f5b901 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h98690b446fb8b04c
[INFO] [stderr]   11:     0x7f276577e5d9 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7f276577e097 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13
[INFO] [stderr]   13:     0x7f276577a56c - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7f276577dff9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5
[INFO] [stderr]   15:     0x7f2765746feb - std::panicking::begin_panic_fmt::hf70e90a601287d8b
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:457:5
[INFO] [stderr]   16:     0x7f27683aca19 - rustc_errors::HandlerInner::flush_delayed::h400415fe09e32e42
[INFO] [stderr]   17:     0x7f27683ab47d - <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop::h99b093f7064b7696
[INFO] [stderr]   18:     0x7f2767a640c6 - core::ptr::drop_in_place<rustc_session::parse::ParseSess>::hf782bb3707a77e2d
[INFO] [stderr]   19:     0x7f2767a65f2e - <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop::h22504b7a2bf4f3e1
[INFO] [stderr]   20:     0x7f2767a3a57d - core::ptr::drop_in_place<rustc_interface::interface::Compiler>::h04cee182ac6141b7
[INFO] [stderr]   21:     0x7f2767a39cc3 - rustc_span::with_source_map::h35aa4a6792e2f0de
[INFO] [stderr]   22:     0x7f2767a4b39a - rustc_interface::interface::create_compiler_and_run::h600b31664ea7498c
[INFO] [stderr]   23:     0x7f2767a3dc79 - scoped_tls::ScopedKey<T>::set::h95fded8ea1ce829a
[INFO] [stderr]   24:     0x7f2767a3a0ba - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb9f52ef891273be
[INFO] [stderr]   25:     0x7f2767a393a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d639d5804de8241
[INFO] [stderr]   26:     0x7f276578ab67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09f167e08fc945ff
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   27:     0x7f276578ab67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf814fe85eeb118e0
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   28:     0x7f276578ab67 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68
[INFO] [stderr]                                at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17
[INFO] [stderr]   29:     0x7f27656a6609 - start_thread
[INFO] [stderr]   30:     0x7f27655ba293 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.56.0-nightly (d2e9fff28 2021-07-28) 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] end of query stack
[INFO] [stderr] error: could not compile `warp`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ab1de903212ed34b221846dcfd8d19dbdb90dd338d372814c7bd8cfbf875cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab1de903212ed34b221846dcfd8d19dbdb90dd338d372814c7bd8cfbf875cde", kill_on_drop: false }`
[INFO] [stdout] 7ab1de903212ed34b221846dcfd8d19dbdb90dd338d372814c7bd8cfbf875cde