[INFO] cloning repository https://github.com/Husky22/mini-mqtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Husky22/mini-mqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21484cb0c17431d13210d8975b2c9f6ce7b70a51
[INFO] checking Husky22/mini-mqtt against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] finished tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] tweaked toml for git repo https://github.com/Husky22/mini-mqtt written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Husky22/mini-mqtt on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Husky22/mini-mqtt 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39483e2faf3af915fdee75aacf9210e73a6e7cccb79f5888b8886a3eebe527a3
[INFO] running `Command { std: "docker" "start" "-a" "39483e2faf3af915fdee75aacf9210e73a6e7cccb79f5888b8886a3eebe527a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39483e2faf3af915fdee75aacf9210e73a6e7cccb79f5888b8886a3eebe527a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39483e2faf3af915fdee75aacf9210e73a6e7cccb79f5888b8886a3eebe527a3", kill_on_drop: false }`
[INFO] [stdout] 39483e2faf3af915fdee75aacf9210e73a6e7cccb79f5888b8886a3eebe527a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e359943c428fb664a6a7bd55f742aa54bdfe5737b9b13a077211e3c9890acdc
[INFO] running `Command { std: "docker" "start" "-a" "9e359943c428fb664a6a7bd55f742aa54bdfe5737b9b13a077211e3c9890acdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling indexmap v2.2.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.36
[INFO] [stderr]    Compiling eyre v0.6.11
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling deku_derive v0.16.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking deku v0.16.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking mini-mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/message.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, PartialEq, DekuRead, DekuWrite, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-mqtt` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mini-mqtt` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e359943c428fb664a6a7bd55f742aa54bdfe5737b9b13a077211e3c9890acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e359943c428fb664a6a7bd55f742aa54bdfe5737b9b13a077211e3c9890acdc", kill_on_drop: false }`
[INFO] [stdout] 9e359943c428fb664a6a7bd55f742aa54bdfe5737b9b13a077211e3c9890acdc
