[INFO] fetching crate mqttrs 0.4.1...
[INFO] testing mqttrs-0.4.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mqttrs 0.4.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate mqttrs 0.4.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttrs 0.4.1
[INFO] finished tweaking crates.io crate mqttrs 0.4.1
[INFO] tweaked toml for crates.io crate mqttrs 0.4.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd5baadceba2b70ba808882ed22bf485a4fa76b759cbb611675fa9faeb440f8
[INFO] running `Command { std: "docker" "start" "-a" "7cd5baadceba2b70ba808882ed22bf485a4fa76b759cbb611675fa9faeb440f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd5baadceba2b70ba808882ed22bf485a4fa76b759cbb611675fa9faeb440f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd5baadceba2b70ba808882ed22bf485a4fa76b759cbb611675fa9faeb440f8", kill_on_drop: false }`
[INFO] [stdout] 7cd5baadceba2b70ba808882ed22bf485a4fa76b759cbb611675fa9faeb440f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038126ca53b7b6abed954ab1de8149dffa6d39028919918da6f324e50273c2d0
[INFO] running `Command { std: "docker" "start" "-a" "038126ca53b7b6abed954ab1de8149dffa6d39028919918da6f324e50273c2d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling mqttrs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "038126ca53b7b6abed954ab1de8149dffa6d39028919918da6f324e50273c2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038126ca53b7b6abed954ab1de8149dffa6d39028919918da6f324e50273c2d0", kill_on_drop: false }`
[INFO] [stdout] 038126ca53b7b6abed954ab1de8149dffa6d39028919918da6f324e50273c2d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 288293f9b64a4dec4cdb4399150ae45921b2c43a0eaffc318dcfa9e0c61ee107
[INFO] running `Command { std: "docker" "start" "-a" "288293f9b64a4dec4cdb4399150ae45921b2c43a0eaffc318dcfa9e0c61ee107", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling mqttrs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]   --> src/encoder_test.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use bytes::BytesMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | mod encoder_test;
[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 11.65s
[INFO] running `Command { std: "docker" "inspect" "288293f9b64a4dec4cdb4399150ae45921b2c43a0eaffc318dcfa9e0c61ee107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288293f9b64a4dec4cdb4399150ae45921b2c43a0eaffc318dcfa9e0c61ee107", kill_on_drop: false }`
[INFO] [stdout] 288293f9b64a4dec4cdb4399150ae45921b2c43a0eaffc318dcfa9e0c61ee107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6efa9d8563e81980661958b83a99c6e5d50891f98dd3c65055491cffa10b1007
[INFO] running `Command { std: "docker" "start" "-a" "6efa9d8563e81980661958b83a99c6e5d50891f98dd3c65055491cffa10b1007", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `bytes::BytesMut`
[INFO] [stderr]   --> src/encoder_test.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | use bytes::BytesMut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | mod encoder_test;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mqttrs` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqttrs-c4c92e91f406dc36)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test decoder_test::header_firstbyte ... ok
[INFO] [stdout] test decoder_test::inner_length_too_long ... ok
[INFO] [stdout] test decoder_test::header_len ... ok
[INFO] [stdout] test decoder_test::non_utf8_string ... ok
[INFO] [stdout] test decoder_test::test_connack ... ok
[INFO] [stdout] test decoder_test::test_connect ... ok
[INFO] [stdout] test decoder_test::test_offset_start ... ignored
[INFO] [stdout] test decoder_test::test_connect_wrong_version ... ok
[INFO] [stdout] test decoder_test::test_pub_rec ... ok
[INFO] [stdout] test decoder_test::test_publish ... ignored
[INFO] [stdout] test decoder_test::test_half_connect ... ok
[INFO] [stdout] test decoder_test::test_suback ... ok
[INFO] [stdout] test decoder_test::test_subscribe ... ok
[INFO] [stdout] test decoder_test::test_unsub_ack ... ok
[INFO] [stdout] test decoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_connack ... ok
[INFO] [stdout] test encoder_test::test_pubrel ... ok
[INFO] [stdout] test decoder_test::test_ping_req ... ok
[INFO] [stdout] test decoder_test::test_pub_ack ... ok
[INFO] [stdout] test decoder_test::test_pub_comp ... ok
[INFO] [stdout] test decoder_test::test_pub_rel ... ok
[INFO] [stdout] test decoder_test::test_disconnect ... ok
[INFO] [stdout] test encoder_test::test_suback ... ok
[INFO] [stdout] test encoder_test::test_pubcomp ... ok
[INFO] [stdout] test encoder_test::test_puback ... ok
[INFO] [stdout] test encoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_publish ... ok
[INFO] [stdout] test encoder_test::test_disconnect ... ok
[INFO] [stdout] test encoder_test::test_connect ... ok
[INFO] [stdout] test encoder_test::test_pubrec ... ok
[INFO] [stdout] test encoder_test::test_ping_req ... ok
[INFO] [stdout] test decoder_test::test_ping_resp ... ok
[INFO] [stdout] test encoder_test::test_subscribe ... ok
[INFO] [stdout] test encoder_test::test_unsubscribe ... ok
[INFO] [stdout] test encoder_test::test_write_zero ... ok
[INFO] [stdout] test utils::test::pid_add_sub ... ok
[INFO] [stdout] test encoder_test::test_unsuback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqttrs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/packet.rs - packet::Packet (line 8) ... ok
[INFO] [stdout] test src/utils.rs - utils::Pid (line 85) ... ok
[INFO] [stdout] test src/encoder.rs - encoder::encode_slice (line 5) ... ok
[INFO] [stdout] test src/decoder.rs - decoder::decode_slice (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6efa9d8563e81980661958b83a99c6e5d50891f98dd3c65055491cffa10b1007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efa9d8563e81980661958b83a99c6e5d50891f98dd3c65055491cffa10b1007", kill_on_drop: false }`
[INFO] [stdout] 6efa9d8563e81980661958b83a99c6e5d50891f98dd3c65055491cffa10b1007