[INFO] cloning repository https://github.com/lizhanhui/mqtt-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lizhanhui/mqtt-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhanhui%2Fmqtt-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhanhui%2Fmqtt-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 676e5d69b572632be678b7ea1e122d2e6a58d27f
[INFO] checking lizhanhui/mqtt-bench against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhanhui%2Fmqtt-bench" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lizhanhui/mqtt-bench
[INFO] finished tweaking git repo https://github.com/lizhanhui/mqtt-bench
[INFO] tweaked toml for git repo https://github.com/lizhanhui/mqtt-bench written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lizhanhui/mqtt-bench on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lizhanhui/mqtt-bench 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lizhanhui/mqtt-bench against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flizhanhui%2Fmqtt-bench" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lizhanhui/mqtt-bench
[INFO] finished tweaking git repo https://github.com/lizhanhui/mqtt-bench
[INFO] tweaked toml for git repo https://github.com/lizhanhui/mqtt-bench written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lizhanhui/mqtt-bench on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lizhanhui/mqtt-bench 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.52
[INFO] [stderr]   Downloaded strict v0.2.0
[INFO] [stderr]   Downloaded lazy-regex v3.3.0
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[INFO] [stderr]   Downloaded minimad v0.13.1
[INFO] [stderr]   Downloaded rumqttc v0.24.0
[INFO] [stderr]   Downloaded crokey v1.1.0
[INFO] [stderr]   Downloaded console-subscriber v0.2.0
[INFO] [stderr]   Downloaded tonic v0.10.2
[INFO] [stderr]   Downloaded paho-mqtt v0.12.5
[INFO] [stderr]   Downloaded terminal-light v1.7.0
[INFO] [stderr]   Downloaded console-api v0.6.0
[INFO] [stderr]   Downloaded coolor v1.0.0
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.3.0
[INFO] [stderr]   Downloaded xterm-query v0.5.0
[INFO] [stderr]   Downloaded clocksource v0.8.1
[INFO] [stderr]   Downloaded ratelimit v0.10.0
[INFO] [stderr]   Downloaded tikv-jemallocator v0.6.0
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] [stderr]   Downloaded termimad v0.31.1
[INFO] [stderr]   Downloaded clap-help v1.3.1
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a490b066abccf11b36976fb1c57d48c06c5eea464e6d55bd28e43346d00242
[INFO] running `Command { std: "docker" "start" "-a" "f0a490b066abccf11b36976fb1c57d48c06c5eea464e6d55bd28e43346d00242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a490b066abccf11b36976fb1c57d48c06c5eea464e6d55bd28e43346d00242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a490b066abccf11b36976fb1c57d48c06c5eea464e6d55bd28e43346d00242", kill_on_drop: false }`
[INFO] [stdout] f0a490b066abccf11b36976fb1c57d48c06c5eea464e6d55bd28e43346d00242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f4ac7d2a91a0b2f28b6e1ddd6a887940fac1dcf761e9c8e049c39fbdff5ed3
[INFO] running `Command { std: "docker" "start" "-a" "72f4ac7d2a91a0b2f28b6e1ddd6a887940fac1dcf761e9c8e049c39fbdff5ed3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]     Checking paho-mqtt v0.12.5
[INFO] [stderr]     Checking mqtt-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:59:44
[INFO] [stdout]     |
[INFO] [stdout]  59 |             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]     |                                            ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout]  59 -             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]  59 +             let join_handle = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:96:44
[INFO] [stdout]     |
[INFO] [stdout]  96 |             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]     |                                            ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout]  96 -             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]  96 +             let join_handle = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:198:30
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 198 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 198 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:293:30
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 293 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 293 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:367:30
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 367 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 367 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/state.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                          ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 110 -     let _ = tokio::task::Builder::new()
[INFO] [stdout] 110 +     let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/state.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let _ = tokio::task::Builder::new().name("stats_printer").spawn({
[INFO] [stdout]     |                          ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 121 -     let _ = tokio::task::Builder::new().name("stats_printer").spawn({
[INFO] [stdout] 121 +     let _ = Builder::new().name("stats_printer").spawn({
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:59:44
[INFO] [stdout]     |
[INFO] [stdout]  59 |             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]     |                                            ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout]  59 -             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]  59 +             let join_handle = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:96:44
[INFO] [stdout]     |
[INFO] [stdout]  96 |             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]     |                                            ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout]  96 -             let join_handle = tokio::task::Builder::new()
[INFO] [stdout]  96 +             let join_handle = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:198:30
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 198 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 198 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:293:30
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 293 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 293 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/command.rs:367:30
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                              ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 367 -         let _ = tokio::task::Builder::new()
[INFO] [stdout] 367 +         let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/state.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = tokio::task::Builder::new()
[INFO] [stdout]     |                          ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 110 -     let _ = tokio::task::Builder::new()
[INFO] [stdout] 110 +     let _ = Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Builder` in `task`
[INFO] [stdout]    --> src/state.rs:121:26
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let _ = tokio::task::Builder::new().name("stats_printer").spawn({
[INFO] [stdout]     |                          ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.42.0/src/macros/cfg.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use console_subscriber::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use env_logger::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use ratelimit::Builder;
[INFO] [stdout]     |
[INFO] [stdout]     = and 1 other candidate
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 121 -     let _ = tokio::task::Builder::new().name("stats_printer").spawn({
[INFO] [stdout] 121 +     let _ = Builder::new().name("stats_printer").spawn({
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-bench` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt-bench` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "72f4ac7d2a91a0b2f28b6e1ddd6a887940fac1dcf761e9c8e049c39fbdff5ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f4ac7d2a91a0b2f28b6e1ddd6a887940fac1dcf761e9c8e049c39fbdff5ed3", kill_on_drop: false }`
[INFO] [stdout] 72f4ac7d2a91a0b2f28b6e1ddd6a887940fac1dcf761e9c8e049c39fbdff5ed3
