[INFO] fetching crate processig 0.0.2...
[INFO] checking processig-0.0.2 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate processig 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate processig 0.0.2 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate processig 0.0.2
[INFO] finished tweaking crates.io crate processig 0.0.2
[INFO] tweaked toml for crates.io crate processig 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a3db1a743f1256fd18b44725e0e016bd56445c013f8841153565584528bba97
[INFO] running `Command { std: "docker" "start" "-a" "7a3db1a743f1256fd18b44725e0e016bd56445c013f8841153565584528bba97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a3db1a743f1256fd18b44725e0e016bd56445c013f8841153565584528bba97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3db1a743f1256fd18b44725e0e016bd56445c013f8841153565584528bba97", kill_on_drop: false }`
[INFO] [stdout] 7a3db1a743f1256fd18b44725e0e016bd56445c013f8841153565584528bba97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09403e429fa8f10adfeb895faa7977c5115bdcef4fc3c9e4d3c9167e69d527f9
[INFO] running `Command { std: "docker" "start" "-a" "09403e429fa8f10adfeb895faa7977c5115bdcef4fc3c9e4d3c9167e69d527f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking zpatial v0.0.0
[INFO] [stderr]     Checking mazth v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking processig v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> src/kalman_fuse.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utility`
[INFO] [stdout]  --> src/kalman_fuse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utility;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]   --> src/kalman_fuse.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Index, IndexMut};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::ndarray::prelude::*`
[INFO] [stdout]  --> src/pursuit.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use self::ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> src/kalman_fuse.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utility`
[INFO] [stdout]  --> src/kalman_fuse.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use utility;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]   --> src/kalman_fuse.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Index, IndexMut};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/kalman_fuse.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 | /     /// test with 3 data sources each with vector length of 4
[INFO] [stdout] 207 | |     
[INFO] [stdout] 208 | |     /// generate sample data with the following distributions
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout] 209 |       let mu0 = 2.0;
[INFO] [stdout]     |       -------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::ndarray::prelude::*`
[INFO] [stdout]  --> src/pursuit.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use self::ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexMut`
[INFO] [stdout]   --> src/kalman_fuse.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Index, IndexMut};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/pursuit.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         _ => { unimplemented!(); },
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/pursuit.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pursuit.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             _ => { panic!("unexpected signal type"); }
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/pursuit.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn interp_discrete( a: & Signal, len: usize ) -> Signal {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/pursuit.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn interp_discrete( a: & Signal, len: usize ) -> Signal {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexMut`
[INFO] [stdout]   --> src/kalman_fuse.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Index, IndexMut};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/pursuit.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         _ => { unimplemented!(); },
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/pursuit.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pursuit.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             _ => { panic!("unexpected signal type"); }
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pursuit.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |                     _ => {},
[INFO] [stdout]     |                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mu0`
[INFO] [stdout]    --> src/kalman_fuse.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mu0 = 2.0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_mu0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigma0`
[INFO] [stdout]    --> src/kalman_fuse.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let sigma0 = 1.0;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sigma0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mu1`
[INFO] [stdout]    --> src/kalman_fuse.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mu1 = 10.0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_mu1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigma1`
[INFO] [stdout]    --> src/kalman_fuse.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let sigma1 = 5.0;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sigma1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mu2`
[INFO] [stdout]    --> src/kalman_fuse.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let mu2 = -3.0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_mu2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigma2`
[INFO] [stdout]    --> src/kalman_fuse.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let sigma2 = 2.0;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sigma2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/pursuit.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn interp_discrete( a: & Signal, len: usize ) -> Signal {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/pursuit.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn interp_discrete( a: & Signal, len: usize ) -> Signal {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pursuit.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut temp_a : Signal;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pursuit.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut temp_b : Signal;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pursuit.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut temp_a : Signal;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pursuit.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut temp_b : Signal;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/kalman_fuse.rs:222:7
[INFO] [stdout]     |
[INFO] [stdout] 222 |     ].into_iter().map(|x| x.to_vec() ).collect::< Vec< Vec< f64 > > >();
[INFO] [stdout]     |       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/kalman_fuse.rs:237:7
[INFO] [stdout]     |
[INFO] [stdout] 237 |     ].into_iter().map(|x| x.to_vec() ).collect::< Vec< Vec< f64 > > >();
[INFO] [stdout]     |       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/kalman_fuse.rs:252:7
[INFO] [stdout]     |
[INFO] [stdout] 252 |     ].into_iter().map(|x| x.to_vec() ).collect::< Vec< Vec< f64 > > >();
[INFO] [stdout]     |       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/kalman_fuse.rs:279:7
[INFO] [stdout]     |
[INFO] [stdout] 279 |     ].into_iter().map(|x| x.to_vec() ).collect::< Vec< Vec< f64 > > >();
[INFO] [stdout]     |       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.22s
[INFO] running `Command { std: "docker" "inspect" "09403e429fa8f10adfeb895faa7977c5115bdcef4fc3c9e4d3c9167e69d527f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09403e429fa8f10adfeb895faa7977c5115bdcef4fc3c9e4d3c9167e69d527f9", kill_on_drop: false }`
[INFO] [stdout] 09403e429fa8f10adfeb895faa7977c5115bdcef4fc3c9e4d3c9167e69d527f9
