[INFO] cloning repository https://github.com/bbucko/raqqietka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbucko/raqqietka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbucko%2Fraqqietka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbucko%2Fraqqietka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b4a10f8470f5c6a4fc8a62aa704716626f4385e
[INFO] testing bbucko/raqqietka against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbucko%2Fraqqietka" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbucko/raqqietka on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbucko/raqqietka
[INFO] finished tweaking git repo https://github.com/bbucko/raqqietka
[INFO] tweaked toml for git repo https://github.com/bbucko/raqqietka written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/bbucko/raqqietka already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bbucko/mqttrs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19dce4718169d411cbdb599e71e4ebe13bcc2715a3e7bdddda1d47eb01e3e2a2
[INFO] running `Command { std: "docker" "start" "-a" "19dce4718169d411cbdb599e71e4ebe13bcc2715a3e7bdddda1d47eb01e3e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19dce4718169d411cbdb599e71e4ebe13bcc2715a3e7bdddda1d47eb01e3e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dce4718169d411cbdb599e71e4ebe13bcc2715a3e7bdddda1d47eb01e3e2a2", kill_on_drop: false }`
[INFO] [stdout] 19dce4718169d411cbdb599e71e4ebe13bcc2715a3e7bdddda1d47eb01e3e2a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491c6c64b4065f53d00605dd1e48c524e796f9c7fae8c0c6adb8754fe3d6e2ea
[INFO] running `Command { std: "docker" "start" "-a" "491c6c64b4065f53d00605dd1e48c524e796f9c7fae8c0c6adb8754fe3d6e2ea", 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] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling broker v0.1.0 (/opt/rustwide/workdir/broker)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-stream v0.1.6
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling mqttrs v0.3.1 (https://github.com/bbucko/mqttrs?branch=0.3.1#c3183f01)
[INFO] [stderr]    Compiling mqtt v0.1.0 (/opt/rustwide/workdir/mqtt)
[INFO] [stdout] warning: unused variable: `sub_results`
[INFO] [stdout]    --> mqtt/src/client.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Ack::Subscribe(packet_id, sub_results) => {
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_results`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_received_packet`
[INFO] [stdout]   --> mqtt/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     last_received_packet: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connected_on`
[INFO] [stdout]   --> mqtt/src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     connected_on: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raqqietka v0.1.0 (/opt/rustwide/workdir/raqqietka)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> raqqietka/src/main.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| //FIXME improve error handling
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "491c6c64b4065f53d00605dd1e48c524e796f9c7fae8c0c6adb8754fe3d6e2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491c6c64b4065f53d00605dd1e48c524e796f9c7fae8c0c6adb8754fe3d6e2ea", kill_on_drop: false }`
[INFO] [stdout] 491c6c64b4065f53d00605dd1e48c524e796f9c7fae8c0c6adb8754fe3d6e2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a101eada296b7397a29c95510f127055d5a91bc5177bab8d0da0c5d2903b170f
[INFO] running `Command { std: "docker" "start" "-a" "a101eada296b7397a29c95510f127055d5a91bc5177bab8d0da0c5d2903b170f", kill_on_drop: false }`
[INFO] [stderr]    Compiling core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling mqtt v0.1.0 (/opt/rustwide/workdir/mqtt)
[INFO] [stderr]    Compiling raqqietka v0.1.0 (/opt/rustwide/workdir/raqqietka)
[INFO] [stderr]    Compiling broker v0.1.0 (/opt/rustwide/workdir/broker)
[INFO] [stdout] warning: unused variable: `sub_results`
[INFO] [stdout]    --> mqtt/src/client.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Ack::Subscribe(packet_id, sub_results) => {
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_results`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_received_packet`
[INFO] [stdout]   --> mqtt/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     last_received_packet: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connected_on`
[INFO] [stdout]   --> mqtt/src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     connected_on: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_results`
[INFO] [stdout]    --> mqtt/src/client.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Ack::Subscribe(packet_id, sub_results) => {
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_results`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_received_packet`
[INFO] [stdout]   --> mqtt/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     last_received_packet: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connected_on`
[INFO] [stdout]   --> mqtt/src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     connected_on: SystemTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> mqtt/src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> raqqietka/src/main.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map_err(|err| //FIXME improve error handling
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "a101eada296b7397a29c95510f127055d5a91bc5177bab8d0da0c5d2903b170f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a101eada296b7397a29c95510f127055d5a91bc5177bab8d0da0c5d2903b170f", kill_on_drop: false }`
[INFO] [stdout] a101eada296b7397a29c95510f127055d5a91bc5177bab8d0da0c5d2903b170f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5275dbcb4b6487b448d5b40ff66af1cf72d8098612da7e8ed90307ebbadbc2d6
[INFO] running `Command { std: "docker" "start" "-a" "5275dbcb4b6487b448d5b40ff66af1cf72d8098612da7e8ed90307ebbadbc2d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `sub_results`
[INFO] [stderr]    --> mqtt/src/client.rs:158:39
[INFO] [stderr]     |
[INFO] [stderr] 158 |             Ack::Subscribe(packet_id, sub_results) => {
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_results`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_received_packet`
[INFO] [stderr]   --> mqtt/src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     last_received_packet: SystemTime,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> mqtt/src/lib.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connected_on`
[INFO] [stderr]   --> mqtt/src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     connected_on: SystemTime,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> mqtt/src/lib.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `mqtt` (lib) generated 3 warnings
[INFO] [stderr] warning: `mqtt` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> raqqietka/src/main.rs:73:23
[INFO] [stderr]    |
[INFO] [stderr] 73 |             .map_err(|err| //FIXME improve error handling
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `raqqietka` (bin "raqqietka" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/broker-592f37edb88557f2)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_broker_connect ... ok
[INFO] [stdout] test tests::test_broker_subscribe_with_plain_topics ... ok
[INFO] [stdout] test tests::test_broker_publish_without_subscription ... ok
[INFO] [stdout] test tests::test_broker_subscribe_with_wildcard_topics_single_level_last ... ok
[INFO] [stdout] test tests::test_broker_subscribe_with_incorrect_filter ... ok
[INFO] [stdout] test tests::test_broker_subscribe_with_wildcard_topics_multilevel ... ok
[INFO] [stdout] test validator::tests::test_publish_correct_topics ... ok
[INFO] [stdout] test validator::tests::test_subscribe_correct_topics ... ok
[INFO] [stdout] test tests::test_broker_subscribe_with_wildcard_topics_single_level_middle ... ok
[INFO] [stdout] test validator::tests::test_publish_incorrect_topics ... ok
[INFO] [stdout] test tests::test_broker_validate_topic_containing_wildcard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-86bdf38167c8df54)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_broker_publish_with_wildcard_multilevel_at_the_end_subscription ... ok
[INFO] [stdout] test test_broker_publish_increasing_counter ... ok
[INFO] [stdout] test test_broker_publish_with_wildcard_one_level_subscription ... ok
[INFO] [stdout] test test_broker_publish_with_wildcard_one_level_in_the_middle_subscription ... ok
[INFO] [stdout] test test_broker_qos0_publish_with_plain_subscription ... ok
[INFO] [stdout] test test_broker_qos1_multiple_publish_with_plain_subscription ... ok
[INFO] [stdout] test test_clean_disconnect_with_lwt ... ok
[INFO] [stdout] test test_broker_qos1_publish_with_plain_subscription ... ok
[INFO] [stdout] test test_forced_disconnect_with_lwt ... ok
[INFO] [stdout] test test_register ... ok
[INFO] [stdout] test test_forced_disconnect_with_lwt_and_existing_client ... ok
[INFO] [stdout] test test_register_with_existing_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core-e2b852407347f11e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test util::tests::test_calculate_length ... ok
[INFO] [stdout] test util::tests::test_encoding_four_digits ... ok
[INFO] [stdout] test util::tests::test_encoding_one_digit ... ok
[INFO] [stdout] test util::tests::test_encoding_three_digits ... ok
[INFO] [stdout] test util::tests::test_encoding_two_digits ... ok
[INFO] [stdout] test util::tests::test_calculate_length_short - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt-6f4d918f6f2b0a2f)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raqqietka-0395d00fd3118208)
[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] [stderr]    Doc-tests broker
[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] [stderr]    Doc-tests core
[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] [stderr]    Doc-tests mqtt
[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" "5275dbcb4b6487b448d5b40ff66af1cf72d8098612da7e8ed90307ebbadbc2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5275dbcb4b6487b448d5b40ff66af1cf72d8098612da7e8ed90307ebbadbc2d6", kill_on_drop: false }`
[INFO] [stdout] 5275dbcb4b6487b448d5b40ff66af1cf72d8098612da7e8ed90307ebbadbc2d6