[INFO] cloning repository https://github.com/rishflab/libp2p-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rishflab/libp2p-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Flibp2p-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Flibp2p-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1333fe1d00e708db2acfd71d5351a4c514ffe54a
[INFO] testing rishflab/libp2p-tests against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishflab%2Flibp2p-tests" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rishflab/libp2p-tests on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rishflab/libp2p-tests
[INFO] finished tweaking git repo https://github.com/rishflab/libp2p-tests
[INFO] tweaked toml for git repo https://github.com/rishflab/libp2p-tests written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rishflab/libp2p-tests already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-tcp v0.18.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.18.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.18.0
[INFO] [stderr]   Downloaded libp2p-secio v0.18.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.8.0
[INFO] [stderr]   Downloaded libp2p-core v0.18.0
[INFO] [stderr]   Downloaded multihash v0.10.1
[INFO] [stderr]   Downloaded libp2p v0.18.0
[INFO] [stderr]   Downloaded serde-hex v0.1.0
[INFO] [stderr]   Downloaded multistream-select v0.8.0
[INFO] [stderr]   Downloaded libp2p-dns v0.18.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.18.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.18.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "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] 2f16f9757f28f69e51e870c87265199516cd53d64c99e39f29ece96e060e03b1
[INFO] running `Command { std: "docker" "start" "-a" "2f16f9757f28f69e51e870c87265199516cd53d64c99e39f29ece96e060e03b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f16f9757f28f69e51e870c87265199516cd53d64c99e39f29ece96e060e03b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f16f9757f28f69e51e870c87265199516cd53d64c99e39f29ece96e060e03b1", kill_on_drop: false }`
[INFO] [stdout] 2f16f9757f28f69e51e870c87265199516cd53d64c99e39f29ece96e060e03b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cd0c5aed3ff4b4a81a5bb6109e7f6540cda08ccd7f4754ad0bfb350c3c484a2
[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" "5cd0c5aed3ff4b4a81a5bb6109e7f6540cda08ccd7f4754ad0bfb350c3c484a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling bs58 v0.3.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling ring v0.16.12
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[INFO] [stderr]    Compiling array-init v0.0.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling stream-cipher v0.3.2
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling twofish v0.2.0
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling futures_codec v0.3.4
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling yamux v0.4.5
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling multistream-select v0.8.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling libp2p-secio v0.18.0
[INFO] [stderr]    Compiling parity-multiaddr v0.8.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde-hex v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling libp2p-swarm v0.18.0
[INFO] [stderr]    Compiling libp2p-dns v0.18.0
[INFO] [stderr]    Compiling libp2p-tcp v0.18.0
[INFO] [stderr]    Compiling libp2p-mplex v0.18.0
[INFO] [stderr]    Compiling libp2p-yamux v0.18.0
[INFO] [stderr]    Compiling libp2p-mdns v0.18.0
[INFO] [stderr]    Compiling libp2p v0.18.0
[INFO] [stderr]    Compiling libp2p-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "5cd0c5aed3ff4b4a81a5bb6109e7f6540cda08ccd7f4754ad0bfb350c3c484a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd0c5aed3ff4b4a81a5bb6109e7f6540cda08ccd7f4754ad0bfb350c3c484a2", kill_on_drop: false }`
[INFO] [stdout] 5cd0c5aed3ff4b4a81a5bb6109e7f6540cda08ccd7f4754ad0bfb350c3c484a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72c2fa254d75b0b154cb935042af1cfd03528bd9c6700730e98d55c860f7885e
[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" "72c2fa254d75b0b154cb935042af1cfd03528bd9c6700730e98d55c860f7885e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libp2p-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/announce.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use futures::{pin_mut, prelude::*};
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Multihash`
[INFO] [stdout]   --> src/announce.rs:58:31
[INFO] [stdout]    |
[INFO] [stdout] 58 |         multihash::{Sha2_256, Multihash},
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/announce.rs:148:74
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         if let BehaviourOutEvent::ReceivedAnnouncement { peer, io } = behavior_event {
[INFO] [stdout]     |                                                                          ^^^^ help: try ignoring the field: `peer: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alice_peer_id`
[INFO] [stdout]    --> src/announce.rs:101:31
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let (mut alice_swarm, alice_peer_id) = {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alice_peer_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outbound_config`
[INFO] [stdout]    --> src/announce.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let outbound_config = OutboundConfig::new(send_swap_digest.clone());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outbound_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/announce.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Swarm::dial_addr(&mut alice_swarm, bob_addr.clone());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic
[INFO] [stdout]   --> src/announce.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     fn transport() -> (
[INFO] [stdout] 69 | |         PeerId,
[INFO] [stdout] 70 | |         impl Transport<
[INFO] [stdout] 71 | |             Output = (
[INFO] [stdout] ...  |
[INFO] [stdout] 92 | |         (peer_id, transport)
[INFO] [stdout] 93 | |     }
[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] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f6bff679b00 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7f6bff679b00 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f6bff679b00 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f6bff679b00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f6bff6e763c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]    5:     0x7f6bff66b3e5 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]    6:     0x7f6bff67d81b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f6bff67d81b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f6bff67d81b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f6bff67d2f1 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f6bffe57531 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::he0fb23ee363efe57
[INFO] [stderr]   11:     0x7f6befc8ae03 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hf809ce0bb155eb24
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1586:9
[INFO] [stderr]   12:     0x7f6befcb0eda - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::hd697a02849e0a1b2
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/proc_macro/src/bridge/client.rs:320:21
[INFO] [stderr]   13:     0x7f6bff67e049 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:626:17
[INFO] [stderr]   14:     0x7f6bff67db07 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stderr]   15:     0x7f6bff679fdc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   16:     0x7f6bff67da69 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stderr]   17:     0x7f6bff646a6b - std::panicking::begin_panic_fmt::h746518bde832d259
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:457:5
[INFO] [stderr]   18:     0x7f6c022bb1a9 - rustc_errors::HandlerInner::flush_delayed::h68abfe220c70dca1
[INFO] [stderr]   19:     0x7f6c022b9c0d - <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop::hd769a4292ac9bfa2
[INFO] [stderr]   20:     0x7f6c0196e8d6 - core::ptr::drop_in_place<rustc_session::parse::ParseSess>::h3c16055fae7b64de
[INFO] [stderr]   21:     0x7f6c01970a1e - <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop::ha02c0db4efb40d0e
[INFO] [stderr]   22:     0x7f6c01945cfd - core::ptr::drop_in_place<rustc_interface::interface::Compiler>::h4b986457436dbab5
[INFO] [stderr]   23:     0x7f6c019452e3 - rustc_span::with_source_map::h46995da78fbfb2ca
[INFO] [stderr]   24:     0x7f6c01956bca - rustc_interface::interface::create_compiler_and_run::hdd0d8e5ea2028f60
[INFO] [stderr]   25:     0x7f6c01949c49 - scoped_tls::ScopedKey<T>::set::h4889fb0c1fafdd05
[INFO] [stderr]   26:     0x7f6c0194666a - std::sys_common::backtrace::__rust_begin_short_backtrace::h78e9a1a2353d1913
[INFO] [stderr]   27:     0x7f6c01945ab5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb838edfbc6ca2ea1
[INFO] [stderr]   28:     0x7f6bff68a5d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   29:     0x7f6bff68a5d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   30:     0x7f6bff68a5d7 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stderr]   31:     0x7f6bff5a6609 - start_thread
[INFO] [stderr]   32:     0x7f6bff4ba293 - clone
[INFO] [stderr]   33:                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 1.55.0-beta.3 (53fd98ca7 2021-07-31) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[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 `libp2p-tests`; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "72c2fa254d75b0b154cb935042af1cfd03528bd9c6700730e98d55c860f7885e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c2fa254d75b0b154cb935042af1cfd03528bd9c6700730e98d55c860f7885e", kill_on_drop: false }`
[INFO] [stdout] 72c2fa254d75b0b154cb935042af1cfd03528bd9c6700730e98d55c860f7885e
