[INFO] cloning repository https://github.com/bschwind/mqtt-broker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bschwind/mqtt-broker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fmqtt-broker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fmqtt-broker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef80944f53980c849fe13dde17ca59919980973b
[INFO] testing bschwind/mqtt-broker against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fmqtt-broker" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bschwind/mqtt-broker on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bschwind/mqtt-broker
[INFO] finished tweaking git repo https://github.com/bschwind/mqtt-broker
[INFO] tweaked toml for git repo https://github.com/bschwind/mqtt-broker written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bschwind/mqtt-broker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93b3a078d0e415faca2132fea04558e195137c8e783152cc9ca599657a6ba987
[INFO] running `Command { std: "docker" "start" "-a" "93b3a078d0e415faca2132fea04558e195137c8e783152cc9ca599657a6ba987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b3a078d0e415faca2132fea04558e195137c8e783152cc9ca599657a6ba987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b3a078d0e415faca2132fea04558e195137c8e783152cc9ca599657a6ba987", kill_on_drop: false }`
[INFO] [stdout] 93b3a078d0e415faca2132fea04558e195137c8e783152cc9ca599657a6ba987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50d802127709e3032b8ad18230edcef3838243a8551943d0d49fae4f65423ca
[INFO] running `Command { std: "docker" "start" "-a" "b50d802127709e3032b8ad18230edcef3838243a8551943d0d49fae4f65423ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling nanoid v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling num_enum v0.4.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling websocket-codec v0.3.4
[INFO] [stderr]    Compiling mqtt-v5 v0.1.1 (/opt/rustwide/workdir/mqtt-v5)
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling mqtt-v5-broker v0.1.0 (/opt/rustwide/workdir/mqtt-v5-broker)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.22s
[INFO] running `Command { std: "docker" "inspect" "b50d802127709e3032b8ad18230edcef3838243a8551943d0d49fae4f65423ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50d802127709e3032b8ad18230edcef3838243a8551943d0d49fae4f65423ca", kill_on_drop: false }`
[INFO] [stdout] b50d802127709e3032b8ad18230edcef3838243a8551943d0d49fae4f65423ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8d7e59a2ab98400ad15ca8f54673d304eee2bc5dc083b626f4fd2a74038fe02
[INFO] running `Command { std: "docker" "start" "-a" "f8d7e59a2ab98400ad15ca8f54673d304eee2bc5dc083b626f4fd2a74038fe02", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt-v5 v0.1.1 (/opt/rustwide/workdir/mqtt-v5)
[INFO] [stderr]    Compiling mqtt-v5-broker v0.1.0 (/opt/rustwide/workdir/mqtt-v5-broker)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> mqtt-v5/src/decoder.rs:1179:36
[INFO] [stdout]      |
[INFO] [stdout] 1179 |                 Err(err) => panic!(err),
[INFO] [stdout]      |                                    ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1179 |                 Err(err) => panic!("{}", err),
[INFO] [stdout]      |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1179 |                 Err(err) => std::panic::panic_any(err),
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "f8d7e59a2ab98400ad15ca8f54673d304eee2bc5dc083b626f4fd2a74038fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d7e59a2ab98400ad15ca8f54673d304eee2bc5dc083b626f4fd2a74038fe02", kill_on_drop: false }`
[INFO] [stdout] f8d7e59a2ab98400ad15ca8f54673d304eee2bc5dc083b626f4fd2a74038fe02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30a34f631d90b6134d4b0d7a70b0b458e6fc772c590018678458034eac351342
[INFO] running `Command { std: "docker" "start" "-a" "30a34f631d90b6134d4b0d7a70b0b458e6fc772c590018678458034eac351342", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 35 tests
[INFO] [stderr]     --> mqtt-v5/src/decoder.rs:1179:36
[INFO] [stderr]      |
[INFO] [stderr] 1179 |                 Err(err) => panic!(err),
[INFO] [stderr]      |                                    ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]      = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]      |
[INFO] [stderr] 1179 |                 Err(err) => panic!("{}", err),
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]      |
[INFO] [stderr] 1179 |                 Err(err) => std::panic::panic_any(err),
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_v5-7b7b4918cce3e685)
[INFO] [stdout] test encoder::tests::unsubscribe_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_release_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_received_roundtrip ... ok
[INFO] [stdout] test encoder::tests::ping_response_roundtrip ... ok
[INFO] [stdout] test encoder::tests::ping_request_roundtrip ... ok
[INFO] [stdout] test topic::tests::test_topic_name_failure ... ok
[INFO] [stdout] test encoder::tests::disconnect_roundtrip ... ok
[INFO] [stdout] test topic::tests::test_topic_name_success ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_mutli_level_wildcard_1 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_simple ... ok
[INFO] [stdout] test encoder::tests::connect_roundtrip ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_mutli_level_wildcard_2 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_concrete ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_concrete ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_empty_topic ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_single_level_wildcard_2 ... ok
[INFO] [stdout] test decoder::tests::test_decode_variable_int ... ok
[INFO] [stdout] test encoder::tests::unsubscribe_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_complete_roundtrip ... ok
[INFO] [stdout] test decoder::tests::test_invalid_remaining_length ... ok
[INFO] [stdout] test encoder::tests::subscribe_roundtrip ... ok
[INFO] [stdout] test encoder::tests::authenticate_roundtrip ... ok
[INFO] [stdout] test encoder::tests::subscribe_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_roundtrip ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_single_level_wildcard_1 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_invalid_shared_subscription ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_shared_subscription_wildcard ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_multi_level_wildcard ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_shared_subscription_concrete ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_single_level_wildcard ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_sys_prefix ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_length ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_v5_broker-779cac82bfeaa25a)
[INFO] [stdout] test topic::tests::test_topic_filter_parse_invalid_filters ... ok
[INFO] [stdout] test encoder::tests::connect_ack_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tree::tests::test_insert ... ok
[INFO] [stdout] test tree::tests::test_remove ... ok
[INFO] [stderr]    Doc-tests mqtt-v5
[INFO] [stdout] test broker::tests::simple_client_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30a34f631d90b6134d4b0d7a70b0b458e6fc772c590018678458034eac351342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a34f631d90b6134d4b0d7a70b0b458e6fc772c590018678458034eac351342", kill_on_drop: false }`
[INFO] [stdout] 30a34f631d90b6134d4b0d7a70b0b458e6fc772c590018678458034eac351342