[INFO] fetching crate mymq 0.1.0...
[INFO] checking mymq-0.1.0 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657
[INFO] extracting crate mymq 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mymq 0.1.0
[INFO] finished tweaking crates.io crate mymq 0.1.0
[INFO] tweaked toml for crates.io crate mymq 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mymq 0.1.0 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mymq 0.1.0 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
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[INFO] [stderr]   Downloaded ipnetwork v0.19.0
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.1.3
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded arbitrary v1.1.3
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded pcap v0.10.1
[INFO] [stderr]   Downloaded cityhash-rs v1.0.1
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d0f273ce2143e5b031c9bfd96291591f80903a5f329f1070e340e8177bf27b
[INFO] running `Command { std: "docker" "start" "-a" "f0d0f273ce2143e5b031c9bfd96291591f80903a5f329f1070e340e8177bf27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d0f273ce2143e5b031c9bfd96291591f80903a5f329f1070e340e8177bf27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d0f273ce2143e5b031c9bfd96291591f80903a5f329f1070e340e8177bf27b", kill_on_drop: false }`
[INFO] [stdout] f0d0f273ce2143e5b031c9bfd96291591f80903a5f329f1070e340e8177bf27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ad5f59b861a3281175a1701ef1ab0e27e95ec9c3d67d45494ae05c8ce02142
[INFO] running `Command { std: "docker" "start" "-a" "f7ad5f59b861a3281175a1701ef1ab0e27e95ec9c3d67d45494ae05c8ce02142", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking cityhash-rs v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive_arbitrary v1.1.3
[INFO] [stderr]     Checking arbitrary v1.1.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking mymq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fixed_byte`
[INFO] [stdout]    --> src/v5/types.rs:436:16
[INFO] [stdout]     |
[INFO] [stdout] 436 | pub(crate) use fixed_byte;
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]   --> src/broker/spinlock.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(feature = "debug")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]   --> src/broker/spinlock.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg(feature = "debug")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     if cfg!(feature = "debug") {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     if cfg!(feature = "debug") {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fixed_byte`
[INFO] [stdout]    --> src/v5/types.rs:436:16
[INFO] [stdout]     |
[INFO] [stdout] 436 | pub(crate) use fixed_byte;
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]   --> src/broker/spinlock.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(feature = "debug")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]   --> src/broker/spinlock.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg(feature = "debug")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     if cfg!(feature = "debug") {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     if cfg!(feature = "debug") {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `debug`
[INFO] [stdout]    --> src/broker/spinlock.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |             if cfg!(feature = "debug") {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `arbitrary`, `backtrace`, `broker`, `chrono`, `client`, `ctrlc`, `default`, `env_logger`, `fuzzy`, `mymqd`, `netw`, `pcap`, `pnet`, `pnet_datalink`, `prettytable-rs`, `rand`, and `structopt`
[INFO] [stdout]     = help: consider adding `debug` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(backtrace)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #![feature(result_flattening)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(map_first_last)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(backtrace)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #![feature(result_flattening)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(map_first_last)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `release_packet_id` is never used
[INFO] [stdout]    --> src/v5/client.rs:600:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | impl Client {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 600 |     fn release_packet_id(&mut self, packet_id: PacketID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/broker/cluster.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct FinState {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 87 |     pub state: ClusterState,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 88 |
[INFO] [stdout] 89 |     pub listeners: Vec<Listener<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 90 |     pub flusher: Flusher,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 91 |     pub ticker: Ticker<Cluster, Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 92 |     pub masters: Vec<Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 93 |     pub replicas: Vec<Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |     pub topic_filters: SubscribedTrie,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 96 |     pub retained_messages: RetainedTrie,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `addrs` and `tokens` are never read
[INFO] [stdout]   --> src/broker/miot.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct FinState {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub addrs: Vec<net::SocketAddr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 99 |     pub tokens: Vec<mio::Token>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `will_messages` is never read
[INFO] [stdout]    --> src/broker/shard.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct MasterLoop<C>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     will_messages: Timer<ClientID, Message>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `miot`, `reconnects`, `shard_back_log`, and `ack_timestamps` are never read
[INFO] [stdout]    --> src/broker/shard.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub struct FinState<C>
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub miot: Miot<Shard<C>>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 206 |     pub sessions: BTreeMap<ClientID, session::Stats>,
[INFO] [stdout] 207 |     pub reconnects: Vec<session::Stats>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 208 |     pub inp_seqno: InpSeqno,
[INFO] [stdout] 209 |     pub shard_back_log: BTreeMap<u32, usize>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 210 |     pub ack_timestamps: Vec<Timestamp>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/broker/spinlock.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read(&self) -> ReadGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read(&self) -> ReadGuard<'_, T> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/broker/spinlock.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn write(&self) -> WriteGuard<T> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn write(&self) -> WriteGuard<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1084:9
[INFO] [stdout]      |
[INFO] [stdout] 1084 |         mem::drop(index);
[INFO] [stdout]      |         ^^^^^^^^^^-----^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut BTreeMap<u64, Message>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1084 -         mem::drop(index);
[INFO] [stdout] 1084 +         let _ = index;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         mem::drop(sessions);
[INFO] [stdout]      |         ^^^^^^^^^^--------^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut BTreeMap<ClientID, Session>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1085 -         mem::drop(sessions);
[INFO] [stdout] 1085 +         let _ = sessions;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1086:9
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         mem::drop(ack_timestamps);
[INFO] [stdout]      |         ^^^^^^^^^^--------------^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut Vec<Timestamp>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1086 -         mem::drop(ack_timestamps);
[INFO] [stdout] 1086 +         let _ = ack_timestamps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `backtrace_frames` is declared but not used
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(backtrace_frames)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `error_iter` is declared but not used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(error_iter)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `release_packet_id` is never used
[INFO] [stdout]    --> src/v5/client.rs:600:8
[INFO] [stdout]     |
[INFO] [stdout] 571 | impl Client {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 600 |     fn release_packet_id(&mut self, packet_id: PacketID) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/broker/cluster.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct FinState {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 87 |     pub state: ClusterState,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 88 |
[INFO] [stdout] 89 |     pub listeners: Vec<Listener<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 90 |     pub flusher: Flusher,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 91 |     pub ticker: Ticker<Cluster, Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 92 |     pub masters: Vec<Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 93 |     pub replicas: Vec<Shard<Cluster>>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |     pub topic_filters: SubscribedTrie,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 96 |     pub retained_messages: RetainedTrie,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `addrs` and `tokens` are never read
[INFO] [stdout]   --> src/broker/miot.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct FinState {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub addrs: Vec<net::SocketAddr>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 99 |     pub tokens: Vec<mio::Token>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `will_messages` is never read
[INFO] [stdout]    --> src/broker/shard.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct MasterLoop<C>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     will_messages: Timer<ClientID, Message>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `miot`, `reconnects`, `shard_back_log`, and `ack_timestamps` are never read
[INFO] [stdout]    --> src/broker/shard.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub struct FinState<C>
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub miot: Miot<Shard<C>>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 206 |     pub sessions: BTreeMap<ClientID, session::Stats>,
[INFO] [stdout] 207 |     pub reconnects: Vec<session::Stats>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 208 |     pub inp_seqno: InpSeqno,
[INFO] [stdout] 209 |     pub shard_back_log: BTreeMap<u32, usize>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 210 |     pub ack_timestamps: Vec<Timestamp>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/broker/spinlock.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read(&self) -> ReadGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn read(&self) -> ReadGuard<'_, T> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/broker/spinlock.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn write(&self) -> WriteGuard<T> {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn write(&self) -> WriteGuard<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1084:9
[INFO] [stdout]      |
[INFO] [stdout] 1084 |         mem::drop(index);
[INFO] [stdout]      |         ^^^^^^^^^^-----^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut BTreeMap<u64, Message>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1084 -         mem::drop(index);
[INFO] [stdout] 1084 +         let _ = index;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1085:9
[INFO] [stdout]      |
[INFO] [stdout] 1085 |         mem::drop(sessions);
[INFO] [stdout]      |         ^^^^^^^^^^--------^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut BTreeMap<ClientID, Session>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1085 -         mem::drop(sessions);
[INFO] [stdout] 1085 +         let _ = sessions;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/broker/shard.rs:1086:9
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         mem::drop(ack_timestamps);
[INFO] [stdout]      |         ^^^^^^^^^^--------------^
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   argument has type `&mut Vec<Timestamp>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1086 -         mem::drop(ack_timestamps);
[INFO] [stdout] 1086 +         let _ = ack_timestamps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `backtrace_frames` is declared but not used
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(backtrace_frames)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `error_iter` is declared but not used
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(error_iter)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "f7ad5f59b861a3281175a1701ef1ab0e27e95ec9c3d67d45494ae05c8ce02142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ad5f59b861a3281175a1701ef1ab0e27e95ec9c3d67d45494ae05c8ce02142", kill_on_drop: false }`
[INFO] [stdout] f7ad5f59b861a3281175a1701ef1ab0e27e95ec9c3d67d45494ae05c8ce02142
