[INFO] cloning repository https://github.com/TheBlueFireFox/codecrafters-kafka-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheBlueFireFox/codecrafters-kafka-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBlueFireFox%2Fcodecrafters-kafka-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheBlueFireFox%2Fcodecrafters-kafka-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ad1aa5c2852cf687144feb8faddddf209f86feb
[INFO] checking TheBlueFireFox/codecrafters-kafka-rust 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%2FTheBlueFireFox%2Fcodecrafters-kafka-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TheBlueFireFox/codecrafters-kafka-rust
[INFO] finished tweaking git repo https://github.com/TheBlueFireFox/codecrafters-kafka-rust
[INFO] tweaked toml for git repo https://github.com/TheBlueFireFox/codecrafters-kafka-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TheBlueFireFox/codecrafters-kafka-rust 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/TheBlueFireFox/codecrafters-kafka-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 125e2740667a3cf490b7425f760213119054c576ca1b0bf3647b7c88b9c72857
[INFO] running `Command { std: "docker" "start" "-a" "125e2740667a3cf490b7425f760213119054c576ca1b0bf3647b7c88b9c72857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "125e2740667a3cf490b7425f760213119054c576ca1b0bf3647b7c88b9c72857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125e2740667a3cf490b7425f760213119054c576ca1b0bf3647b7c88b9c72857", kill_on_drop: false }`
[INFO] [stdout] 125e2740667a3cf490b7425f760213119054c576ca1b0bf3647b7c88b9c72857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 965ef1e209b05fa56f555476507e5aa3ed16b60de92dce6ce7bd3a6435ad8d41
[INFO] running `Command { std: "docker" "start" "-a" "965ef1e209b05fa56f555476507e5aa3ed16b60de92dce6ce7bd3a6435ad8d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rustix v1.0.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1387:81
[INFO] [stdout]      |
[INFO] [stdout] 1387 |           pub fn write(&self, buf: &mut Vec<u8>) -> Result<usize, SerializeError> {
[INFO] [stdout]      |  _________________________________________________________________________________^
[INFO] [stdout] 1388 | |             let s = self.write_helper(buf)?;
[INFO] [stdout] ...    |
[INFO] [stdout] 1393 | |             Ok(s)
[INFO] [stdout] 1394 | |         }
[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: ControlFlow<Result<Infallible, primitives::SerializeError>, usize>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1393:13
[INFO] [stdout]      |
[INFO] [stdout] 1393 |             Ok(s)
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1396:87
[INFO] [stdout]      |
[INFO] [stdout] 1396 |           fn write_helper(&self, buf: &mut dyn BufMut) -> Result<usize, SerializeError> {
[INFO] [stdout]      |  _______________________________________________________________________________________^
[INFO] [stdout] 1397 | |             // add space for the size to be inserted later on
[INFO] [stdout] 1398 | |             let len = buf.remaining_mut();
[INFO] [stdout] ...    |
[INFO] [stdout] 1406 | |             Ok(len - buf.remaining_mut())
[INFO] [stdout] 1407 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1402:13
[INFO] [stdout]      |
[INFO] [stdout] 1402 |             self.header.write(buf)?;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1404:13
[INFO] [stdout]      |
[INFO] [stdout] 1404 |             self.response.write(buf)?;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1406:13
[INFO] [stdout]      |
[INFO] [stdout] 1406 |             Ok(len - buf.remaining_mut())
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, primitives::SerializeError>, usize>
[INFO] [stdout]   --> src/process.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let s = res.write(msg_out)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]   --> src/process.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let s = res.write(msg_out)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust") due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1387:81
[INFO] [stdout]      |
[INFO] [stdout] 1387 |           pub fn write(&self, buf: &mut Vec<u8>) -> Result<usize, SerializeError> {
[INFO] [stdout]      |  _________________________________________________________________________________^
[INFO] [stdout] 1388 | |             let s = self.write_helper(buf)?;
[INFO] [stdout] ...    |
[INFO] [stdout] 1393 | |             Ok(s)
[INFO] [stdout] 1394 | |         }
[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: ControlFlow<Result<Infallible, primitives::SerializeError>, usize>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1388:21
[INFO] [stdout]      |
[INFO] [stdout] 1388 |             let s = self.write_helper(buf)?;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1393:13
[INFO] [stdout]      |
[INFO] [stdout] 1393 |             Ok(s)
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1396:87
[INFO] [stdout]      |
[INFO] [stdout] 1396 |           fn write_helper(&self, buf: &mut dyn BufMut) -> Result<usize, SerializeError> {
[INFO] [stdout]      |  _______________________________________________________________________________________^
[INFO] [stdout] 1397 | |             // add space for the size to be inserted later on
[INFO] [stdout] 1398 | |             let len = buf.remaining_mut();
[INFO] [stdout] ...    |
[INFO] [stdout] 1406 | |             Ok(len - buf.remaining_mut())
[INFO] [stdout] 1407 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1402:13
[INFO] [stdout]      |
[INFO] [stdout] 1402 |             self.header.write(buf)?;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1404:13
[INFO] [stdout]      |
[INFO] [stdout] 1404 |             self.response.write(buf)?;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]     --> src/messages.rs:1406:13
[INFO] [stdout]      |
[INFO] [stdout] 1406 |             Ok(len - buf.remaining_mut())
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, primitives::SerializeError>, usize>
[INFO] [stdout]   --> src/process.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let s = res.write(msg_out)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, primitives::SerializeError>
[INFO] [stdout]   --> src/process.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let s = res.write(msg_out)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust" test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "965ef1e209b05fa56f555476507e5aa3ed16b60de92dce6ce7bd3a6435ad8d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965ef1e209b05fa56f555476507e5aa3ed16b60de92dce6ce7bd3a6435ad8d41", kill_on_drop: false }`
[INFO] [stdout] 965ef1e209b05fa56f555476507e5aa3ed16b60de92dce6ce7bd3a6435ad8d41
