[INFO] fetching crate mqtt-v5 0.1.1...
[INFO] testing mqtt-v5-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mqtt-v5 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mqtt-v5 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqtt-v5 0.1.1
[INFO] finished tweaking crates.io crate mqtt-v5 0.1.1
[INFO] tweaked toml for crates.io crate mqtt-v5 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "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] 578ba52c5a681dca1d9b43bd51467f6e0b0d3b0b17fd1dca913966890a4c420b
[INFO] running `Command { std: "docker" "start" "-a" "578ba52c5a681dca1d9b43bd51467f6e0b0d3b0b17fd1dca913966890a4c420b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578ba52c5a681dca1d9b43bd51467f6e0b0d3b0b17fd1dca913966890a4c420b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578ba52c5a681dca1d9b43bd51467f6e0b0d3b0b17fd1dca913966890a4c420b", kill_on_drop: false }`
[INFO] [stdout] 578ba52c5a681dca1d9b43bd51467f6e0b0d3b0b17fd1dca913966890a4c420b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "build" "--frozen" "--message-format=json", 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] 92b550b1a8da1250566786566f59317b47d8fbad942cb7445389f1332e4e93b0
[INFO] running `Command { std: "docker" "start" "-a" "92b550b1a8da1250566786566f59317b47d8fbad942cb7445389f1332e4e93b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling websocket-codec v0.3.5
[INFO] [stderr]    Compiling num_enum v0.4.3
[INFO] [stderr]    Compiling mqtt-v5 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "92b550b1a8da1250566786566f59317b47d8fbad942cb7445389f1332e4e93b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b550b1a8da1250566786566f59317b47d8fbad942cb7445389f1332e4e93b0", kill_on_drop: false }`
[INFO] [stdout] 92b550b1a8da1250566786566f59317b47d8fbad942cb7445389f1332e4e93b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da67a5d7c75cbe9eb5c810fb236e94096824356fc7d0159be319bf5a23a9c075
[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" "da67a5d7c75cbe9eb5c810fb236e94096824356fc7d0159be319bf5a23a9c075", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mqtt-v5 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> 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 2.17s
[INFO] running `Command { std: "docker" "inspect" "da67a5d7c75cbe9eb5c810fb236e94096824356fc7d0159be319bf5a23a9c075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da67a5d7c75cbe9eb5c810fb236e94096824356fc7d0159be319bf5a23a9c075", kill_on_drop: false }`
[INFO] [stdout] da67a5d7c75cbe9eb5c810fb236e94096824356fc7d0159be319bf5a23a9c075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 111d5148e34e08eed7be836a25121809be29a6d4839533b7866150583587c0f5
[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" "111d5148e34e08eed7be836a25121809be29a6d4839533b7866150583587c0f5", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_v5-8e40ba26fc8f3ee0)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test decoder::tests::test_invalid_remaining_length ... ok
[INFO] [stdout] test decoder::tests::test_decode_variable_int ... ok
[INFO] [stdout] test encoder::tests::authenticate_roundtrip ... ok
[INFO] [stdout] test encoder::tests::connect_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::connect_roundtrip ... ok
[INFO] [stdout] test encoder::tests::disconnect_roundtrip ... ok
[INFO] [stdout] test encoder::tests::ping_request_roundtrip ... ok
[INFO] [stdout] test encoder::tests::ping_response_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_received_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_complete_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_release_roundtrip ... ok
[INFO] [stdout] test encoder::tests::publish_roundtrip ... ok
[INFO] [stdout] test encoder::tests::subscribe_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::subscribe_roundtrip ... ok
[INFO] [stdout] test encoder::tests::unsubscribe_ack_roundtrip ... ok
[INFO] [stdout] test encoder::tests::unsubscribe_roundtrip ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_concrete ... 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_mutli_level_wildcard_2 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_simple ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_single_level_wildcard_1 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_level_iterator_single_level_wildcard_2 ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_invalid_shared_subscription ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_multi_level_wildcard ... ok
[INFO] [stdout] test topic::tests::test_topic_name_success ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_invalid_filters ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_concrete ... ok
[INFO] [stdout] test topic::tests::test_topic_name_failure ... 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_shared_subscription_wildcard ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_empty_topic ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_shared_subscription_concrete ... ok
[INFO] [stdout] test topic::tests::test_topic_filter_parse_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt-v5
[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" "111d5148e34e08eed7be836a25121809be29a6d4839533b7866150583587c0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111d5148e34e08eed7be836a25121809be29a6d4839533b7866150583587c0f5", kill_on_drop: false }`
[INFO] [stdout] 111d5148e34e08eed7be836a25121809be29a6d4839533b7866150583587c0f5
