[INFO] cloning repository https://github.com/talis-fb/kmeans_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/talis-fb/kmeans_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalis-fb%2Fkmeans_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalis-fb%2Fkmeans_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0373ad4b9b46e901b160afa91cd59875c3561d73
[INFO] checking talis-fb/kmeans_rust against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalis-fb%2Fkmeans_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/talis-fb/kmeans_rust
[INFO] finished tweaking git repo https://github.com/talis-fb/kmeans_rust
[INFO] tweaked toml for git repo https://github.com/talis-fb/kmeans_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/talis-fb/kmeans_rust on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/talis-fb/kmeans_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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 448936249e6f02aedf28ef05bf767a7c9adcc59686974ae78da0c0eaeaf49002
[INFO] running `Command { std: "docker" "start" "-a" "448936249e6f02aedf28ef05bf767a7c9adcc59686974ae78da0c0eaeaf49002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "448936249e6f02aedf28ef05bf767a7c9adcc59686974ae78da0c0eaeaf49002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448936249e6f02aedf28ef05bf767a7c9adcc59686974ae78da0c0eaeaf49002", kill_on_drop: false }`
[INFO] [stdout] 448936249e6f02aedf28ef05bf767a7c9adcc59686974ae78da0c0eaeaf49002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6553ec31ed5604d7ec6b178ca6e1f713ed5e4b31f4efba05219143896173c74f
[INFO] running `Command { std: "docker" "start" "-a" "6553ec31ed5604d7ec6b178ca6e1f713ed5e4b31f4efba05219143896173c74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking kmeans1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let data = vec![Point::from([1, 2]), Point::from([5, 8])];
[INFO] [stdout]     |                         ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:138:58
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let data = vec![Point::from([1, 2]), Point::from([5, 8])];
[INFO] [stdout]     |                                              ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:150:34
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let center = Point::from([1, 2]);
[INFO] [stdout]     |                      ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:151:39
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let points = vec![Point::from([1, 2])];
[INFO] [stdout]     |                           ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:158:34
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let center = Point::from([5, 8]);
[INFO] [stdout]     |                      ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<i32>` is not satisfied
[INFO] [stdout]    --> src/main.rs:159:39
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let points = vec![Point::from([5, 8])];
[INFO] [stdout]     |                           ----------- ^^^^^^ the trait `From<i32>` is not implemented for `u32`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `i32` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<{float}>` is not satisfied
[INFO] [stdout]    --> src/main.rs:183:34
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let center = Point::from([1.5, 2.5]);
[INFO] [stdout]     |                      ----------- ^^^^^^^^^^ the trait `From<{float}>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `{float}` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<{float}>` is not satisfied
[INFO] [stdout]    --> src/main.rs:220:34
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let center = Point::from([1.5, 1.5]);
[INFO] [stdout]     |                      ----------- ^^^^^^^^^^ the trait `From<{float}>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `{float}` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<{float}>` is not satisfied
[INFO] [stdout]    --> src/main.rs:228:34
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let center = Point::from([8.5, 8.5]);
[INFO] [stdout]     |                      ----------- ^^^^^^^^^^ the trait `From<{float}>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `{float}` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: From<{float}>` is not satisfied
[INFO] [stdout]    --> src/main.rs:236:34
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let center = Point::from([20.5, 20.5]);
[INFO] [stdout]     |                      ----------- ^^^^^^^^^^^^ the trait `From<{float}>` is not implemented for `u32`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: `u32` implements trait `From<T>`:
[INFO] [stdout]               From<Ipv4Addr>
[INFO] [stdout]               From<bool>
[INFO] [stdout]               From<char>
[INFO] [stdout]               From<std::ascii::Char>
[INFO] [stdout]               From<u16>
[INFO] [stdout]               From<u8>
[INFO] [stdout]     = note: required for `{float}` to implement `Into<u32>`
[INFO] [stdout] note: required by a bound in `Point::from`
[INFO] [stdout]    --> src/entities.rs:14:12
[INFO] [stdout]     |
[INFO] [stdout]  12 |     pub fn from<T, const N: usize>(arr: [T; N]) -> Self
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout]  13 |     where
[INFO] [stdout]  14 |         T: Into<u32>,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `Point::from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/kmeans/parallel_mutex.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         k: u8,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/kmeans/parallel_mutex.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         k: u8,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmeans1` (bin "kmeans1" test) due to 10 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6553ec31ed5604d7ec6b178ca6e1f713ed5e4b31f4efba05219143896173c74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6553ec31ed5604d7ec6b178ca6e1f713ed5e4b31f4efba05219143896173c74f", kill_on_drop: false }`
[INFO] [stdout] 6553ec31ed5604d7ec6b178ca6e1f713ed5e4b31f4efba05219143896173c74f
