[INFO] cloning repository https://github.com/SuperInstance/constraint-mux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperInstance/constraint-mux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperInstance%2Fconstraint-mux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperInstance%2Fconstraint-mux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eed71379128eda24589a269ffab188e6b66068c3
[INFO] checking SuperInstance/constraint-mux against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperInstance%2Fconstraint-mux" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SuperInstance/constraint-mux
[INFO] finished tweaking git repo https://github.com/SuperInstance/constraint-mux
[INFO] tweaked toml for git repo https://github.com/SuperInstance/constraint-mux written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SuperInstance/constraint-mux on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SuperInstance/constraint-mux 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-serial v5.0.6
[INFO] [stderr]   Downloaded serialport v4.9.0
[INFO] [stderr]   Downloaded tokio-serial v5.4.5
[INFO] [stderr]   Downloaded unescaper v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1
[INFO] running `Command { std: "docker" "start" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking scopeguard v1.2.0
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[INFO] [stderr]     Checking getrandom v0.2.17
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[INFO] [stderr]    Compiling nix v0.29.0
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]     Checking axum v0.8.9
[INFO] [stderr]     Checking constraint-mux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/protocol.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let len = u32::from_be_bytes([framed[0], framed[1], framed[2], framed[3]]) as usize;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ratio` is never used
[INFO] [stdout]   --> src/consonance.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl LatticePoint {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn ratio(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConsonanceEvent` is never constructed
[INFO] [stdout]    --> src/consonance.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct ConsonanceEvent {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `normalized` and `decay` are never used
[INFO] [stdout]    --> src/consonance.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl ConsonanceHeatmap {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn normalized(&self) -> Vec<Vec<f32>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn decay(&mut self, factor: f32) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `alias` is never read
[INFO] [stdout]   --> src/multiplexer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Multiplexer {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 12 |     pub alias: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `client_count` is never used
[INFO] [stdout]    --> src/multiplexer.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Multiplexer {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn client_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `encode`, `encode_framed`, and `to_event` are never used
[INFO] [stdout]   --> src/protocol.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl ConsonanceMessage {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn encode_framed(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn to_event(&self) -> ConsonanceEvent {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode_framed` and `decode` are never used
[INFO] [stdout]    --> src/protocol.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl MuxMessage {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 110 |     /// Encode to JSON bytes with 4-byte BE length prefix.
[INFO] [stdout] 111 |     pub fn encode_framed(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn decode(data: &[u8]) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/protocol.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let len = u32::from_be_bytes([framed[0], framed[1], framed[2], framed[3]]) as usize;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `dirs`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | dirs = "6"
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `dirs`
[INFO] [stderr] warning: unused dependency `tower-http`
[INFO] [stderr]   --> Cargo.toml:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 | [dependencies.tower-http]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tower-http`
[INFO] [stderr] warning: `constraint-mux` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1", kill_on_drop: false }`
[INFO] [stdout] 86e6cdd84bafe1e39cb6c982574da528b907a0f205cdbb48e75de2e29fd941a1
