[INFO] fetching crate coap-client 0.3.1...
[INFO] testing coap-client-0.3.1 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate coap-client 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate coap-client 0.3.1
[INFO] finished tweaking crates.io crate coap-client 0.3.1
[INFO] tweaked toml for crates.io crate coap-client 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coap-client 0.3.1 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coap-client 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 280b7f8e8b1078161f9a25bedca63e35f8b0e4676f916b36abab5588f49477d7
[INFO] running `Command { std: "docker" "start" "-a" "280b7f8e8b1078161f9a25bedca63e35f8b0e4676f916b36abab5588f49477d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "280b7f8e8b1078161f9a25bedca63e35f8b0e4676f916b36abab5588f49477d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280b7f8e8b1078161f9a25bedca63e35f8b0e4676f916b36abab5588f49477d7", kill_on_drop: false }`
[INFO] [stdout] 280b7f8e8b1078161f9a25bedca63e35f8b0e4676f916b36abab5588f49477d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446417fe498f69c654d82512019055b11489a126eb2420a95882cb163fc05b73
[INFO] running `Command { std: "docker" "start" "-a" "446417fe498f69c654d82512019055b11489a126eb2420a95882cb163fc05b73", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling futures-io v0.3.17
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[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.37
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling coap-lite v0.4.1
[INFO] [stderr]    Compiling strum v0.22.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling simplelog v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.68
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling coap-client v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/backend/mod.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "446417fe498f69c654d82512019055b11489a126eb2420a95882cb163fc05b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446417fe498f69c654d82512019055b11489a126eb2420a95882cb163fc05b73", kill_on_drop: false }`
[INFO] [stdout] 446417fe498f69c654d82512019055b11489a126eb2420a95882cb163fc05b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c6cad8b4cf7d8422d1c6ececc01053ce1fe4db5ff47741c9f5bd31a39ada231
[INFO] running `Command { std: "docker" "start" "-a" "2c6cad8b4cf7d8422d1c6ececc01053ce1fe4db5ff47741c9f5bd31a39ada231", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/backend/mod.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coap-client v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/backend/mod.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{Future, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "2c6cad8b4cf7d8422d1c6ececc01053ce1fe4db5ff47741c9f5bd31a39ada231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6cad8b4cf7d8422d1c6ececc01053ce1fe4db5ff47741c9f5bd31a39ada231", kill_on_drop: false }`
[INFO] [stdout] 2c6cad8b4cf7d8422d1c6ececc01053ce1fe4db5ff47741c9f5bd31a39ada231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 441f9c885e1434488120702462dd4f3ac3c0b7b9e0aff5a78f062dfc15db4ab0
[INFO] running `Command { std: "docker" "start" "-a" "441f9c885e1434488120702462dd4f3ac3c0b7b9e0aff5a78f062dfc15db4ab0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]  --> src/backend/mod.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures::{Future, Stream};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `coap-client` (lib) generated 1 warning (run `cargo fix --lib -p coap-client` to apply 1 suggestion)
[INFO] [stderr] warning: `coap-client` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coap_client-039a71765a4df2c4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backend::backend_tokio::test::test_get_dtls ... ignored, coap.me does not have DTLS support
[INFO] [stdout] test backend::backend_tokio::test::test_get_udp_separate ... ignored, separate responses not yet implemented
[INFO] [stdout] 04:02:22 [DEBUG] (2) coap_client: Using host options: HostOptions { scheme: Udp, host: "coap.me", port: 5683, resource: "" } (connect: coap.me:5683)
[INFO] [stdout] 04:02:22 [DEBUG] (2) coap_client::backend::backend_tokio::udp: Creating UDP listener
[INFO] [stdout] test backend::backend_tokio::test::test_get_udp ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- backend::backend_tokio::test::test_get_udp stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'backend::backend_tokio::test::test_get_udp' panicked at src/backend/backend_tokio/mod.rs:472:14:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6262f53d1b52 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6262f53d1b52 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6262f53d1b52 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6262f53d1b52 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6262f53fa373 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6262f53fa373 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x6262f53ce403 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6262f53ce403 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6262f53d19a2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6262f53d30cc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6262f53d2f22 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x6262f535f3f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x6262f535f3f4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6262f53d3bab - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x6262f53d3bab - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6262f53d387a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6262f53d2059 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6262f53d350d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6262f53f87f0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6262f53f8b96 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x6262f52f0f59 - core::result::Result<T,E>::unwrap::h1912791fb03a6504
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x6262f52f0f59 - coap_client::backend::backend_tokio::test::test_get_udp::{{closure}}::hcb9b1b56d342bc55
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backend/backend_tokio/mod.rs:472:14
[INFO] [stdout]   22:     0x6262f52f0f59 - <core::pin::Pin<P> as core::future::future::Future>::poll::h975513b752e36091
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x6262f5303b2c - tokio::runtime::basic_scheduler::Inner<P>::block_on::{{closure}}::{{closure}}::h19b1b6f0e23fc352
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:230:78
[INFO] [stdout]   24:     0x6262f5303b2c - tokio::coop::with_budget::{{closure}}::h17e3c58fb965cb10
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/coop.rs:106:9
[INFO] [stdout]   25:     0x6262f5303b2c - std::thread::local::LocalKey<T>::try_with::h3e48cb3fab2ed7ec
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/local.rs:315:12
[INFO] [stdout]   26:     0x6262f5303b2c - std::thread::local::LocalKey<T>::with::h29f9e964b46f01c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/local.rs:279:20
[INFO] [stdout]   27:     0x6262f5303b2c - tokio::coop::with_budget::h5027aa03899c9c0d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/coop.rs:99:13
[INFO] [stdout]   28:     0x6262f5303b2c - tokio::coop::budget::h92767bcbe1b479a5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/coop.rs:76:5
[INFO] [stdout]   29:     0x6262f5303b2c - tokio::runtime::basic_scheduler::Inner<P>::block_on::{{closure}}::h4e76e9c6329b0640
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:230:39
[INFO] [stdout]   30:     0x6262f5303b2c - tokio::runtime::basic_scheduler::enter::{{closure}}::h4512f062a09b843d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:339:29
[INFO] [stdout]   31:     0x6262f5303b2c - tokio::macros::scoped_tls::ScopedKey<T>::set::h2bd99557059570ce
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/macros/scoped_tls.rs:61:9
[INFO] [stdout]   32:     0x6262f530cb4a - tokio::runtime::basic_scheduler::enter::h9331d492b8b23a63
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:339:13
[INFO] [stdout]   33:     0x6262f530cb4a - tokio::runtime::basic_scheduler::Inner<P>::block_on::h720629d00ee73036
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:218:9
[INFO] [stdout]   34:     0x6262f530cb4a - tokio::runtime::basic_scheduler::InnerGuard<P>::block_on::h1a3bbac0391c7ec2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:489:38
[INFO] [stdout]   35:     0x6262f530cb4a - tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::h4e0e62a380a740b7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/basic_scheduler.rs:178:30
[INFO] [stdout]   36:     0x6262f5309b57 - tokio::runtime::Runtime::block_on::h17c815e40b9eed67
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.12.0/src/runtime/mod.rs:461:51
[INFO] [stdout]   37:     0x6262f52faca0 - coap_client::backend::backend_tokio::test::test_get_udp::ha8c694a6161fd369
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backend/backend_tokio/mod.rs:480:38
[INFO] [stdout]   38:     0x6262f53013c9 - coap_client::backend::backend_tokio::test::test_get_udp::{{closure}}::h276022ad29484d92
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backend/backend_tokio/mod.rs:467:28
[INFO] [stdout]   39:     0x6262f53013c9 - core::ops::function::FnOnce::call_once::hbcb29fe550d05584
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x6262f5364b7b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6262f5364b7b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   42:     0x6262f5363d6e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   43:     0x6262f5363d6e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   44:     0x6262f5363d6e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   45:     0x6262f5363d6e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   46:     0x6262f5363d6e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x6262f5363d6e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   48:     0x6262f5363d6e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   49:     0x6262f53278e4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   50:     0x6262f53278e4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   51:     0x6262f532b2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   52:     0x6262f532b2ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   53:     0x6262f532b2ba - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   54:     0x6262f532b2ba - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   55:     0x6262f532b2ba - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x6262f532b2ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   57:     0x6262f532b2ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x6262f53d6d27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   59:     0x6262f53d6d27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   60:     0x6262f53d6d27 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   61:     0x73ec5bf6baa4 - <unknown>
[INFO] [stdout]   62:     0x73ec5bff8a34 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     backend::backend_tokio::test::test_get_udp
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "441f9c885e1434488120702462dd4f3ac3c0b7b9e0aff5a78f062dfc15db4ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441f9c885e1434488120702462dd4f3ac3c0b7b9e0aff5a78f062dfc15db4ab0", kill_on_drop: false }`
[INFO] [stdout] 441f9c885e1434488120702462dd4f3ac3c0b7b9e0aff5a78f062dfc15db4ab0
