[INFO] fetching crate ripple 0.2.1...
[INFO] testing ripple-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ripple 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ripple 0.2.1
[INFO] finished tweaking crates.io crate ripple 0.2.1
[INFO] tweaked toml for crates.io crate ripple 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripple 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.28.0 (available: v0.34.1)
[INFO] [stderr]       Adding simba v0.5.1 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a16d224b05edf26a2e85738bd979e39348f4ea327984d3a2af439c149f3ad5c
[INFO] running `Command { std: "docker" "start" "-a" "4a16d224b05edf26a2e85738bd979e39348f4ea327984d3a2af439c149f3ad5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a16d224b05edf26a2e85738bd979e39348f4ea327984d3a2af439c149f3ad5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a16d224b05edf26a2e85738bd979e39348f4ea327984d3a2af439c149f3ad5c", kill_on_drop: false }`
[INFO] [stdout] 4a16d224b05edf26a2e85738bd979e39348f4ea327984d3a2af439c149f3ad5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c73a47c117e4a7a4d96512aaba22b05e7789cc0e63064674912e773e070e35
[INFO] running `Command { std: "docker" "start" "-a" "07c73a47c117e4a7a4d96512aaba22b05e7789cc0e63064674912e773e070e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ripple v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stdout] warning: function `try_link_gsl` is never used
[INFO] [stdout]   --> build.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn try_link_gsl() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling nalgebra v0.28.0
[INFO] [stdout] warning: unused import: `simba::scalar::SupersetOf`
[INFO] [stdout]  --> src/signal/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use simba::scalar::SupersetOf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/signal/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]   --> src/signal/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ops::Range;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn delay(mut self, n : usize) -> Self {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn advance(mut self, n : usize) -> Self {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sz_compl`
[INFO] [stdout]   --> src/signal/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let sz_compl = sz - n;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sz_compl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/signal/mod.rs:256:18
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]    --> src/signal/mod.rs:611:13
[INFO] [stdout]     |
[INFO] [stdout] 611 |         let max = T::from(n as f32);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `panic_on_invalid_slices` is never used
[INFO] [stdout]   --> src/lib.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn panic_on_invalid_slices<A, B>(a : &[A], b : &[B]) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_as_mat` is never used
[INFO] [stdout]    --> src/lib.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub(crate) fn display_as_mat(s : &[f32], ncols : usize) -> String {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `coefficients` are never used
[INFO] [stdout]    --> src/dwt/mod.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Basis {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 100 |
[INFO] [stdout] 101 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn coefficients(&self) -> (&'static [f32; 4], &'static [f32; 4]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dwt_level_index` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn dwt_level_index(n : usize, lvl : usize) -> Range<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn verify_dwt_dimensions(src_len : usize, coarse_len : usize, detail_len : usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt1d_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn verify_dwt1d_dimensions(src : &[f32], coarse : &[f32], detail : &[f32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt2d_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn verify_dwt2d_dimensions(src : &[f32], coarse : &[f32], detail_x : &[f32], detail_y : &[f32], detail_xy : &[f32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_and_prev_mut` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn index_and_prev_mut<T>(levels : &mut [T], last : usize) -> (&mut T, &mut T) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/conv/iter.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn windows(&self, win_sz : (usize, usize)) -> PatchIterator<N, S, U1, U1>;
[INFO] [stdout]    |                ^^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn windows(&self, win_sz : (usize, usize)) -> PatchIterator<'_, N, S, U1, U1>;
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn chunks(&self, sz : (usize, usize)) -> PatchIterator<N, S, Dynamic, Dynamic>;
[INFO] [stdout]     |               ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn chunks(&self, sz : (usize, usize)) -> PatchIterator<'_, N, S, Dynamic, Dynamic>;
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 143 |         sz : (usize, usize)
[INFO] [stdout] 144 |     ) -> PatchIterator<N, S, U1, U1> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ) -> PatchIterator<'_, N, S, U1, U1> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 170 |         sz : (usize, usize)
[INFO] [stdout] 171 |     ) -> PatchIterator<N, S, Dynamic, Dynamic> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 171 |     ) -> PatchIterator<'_, N, S, Dynamic, Dynamic> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "07c73a47c117e4a7a4d96512aaba22b05e7789cc0e63064674912e773e070e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c73a47c117e4a7a4d96512aaba22b05e7789cc0e63064674912e773e070e35", kill_on_drop: false }`
[INFO] [stdout] 07c73a47c117e4a7a4d96512aaba22b05e7789cc0e63064674912e773e070e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b61e663652afaf3fe5ab8cd93a3464a4868ab4bb03d3b67949a5e3d8c75aaf61
[INFO] running `Command { std: "docker" "start" "-a" "b61e663652afaf3fe5ab8cd93a3464a4868ab4bb03d3b67949a5e3d8c75aaf61", kill_on_drop: false }`
[INFO] [stdout] warning: function `try_link_gsl` is never used
[INFO] [stdout]   --> build.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn try_link_gsl() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ripple v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `simba::scalar::SupersetOf`
[INFO] [stdout]  --> src/signal/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use simba::scalar::SupersetOf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/signal/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]   --> src/signal/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ops::Range;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn delay(mut self, n : usize) -> Self {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn advance(mut self, n : usize) -> Self {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sz_compl`
[INFO] [stdout]   --> src/signal/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let sz_compl = sz - n;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sz_compl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/signal/mod.rs:256:18
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]    --> src/signal/mod.rs:611:13
[INFO] [stdout]     |
[INFO] [stdout] 611 |         let max = T::from(n as f32);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `panic_on_invalid_slices` is never used
[INFO] [stdout]   --> src/lib.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn panic_on_invalid_slices<A, B>(a : &[A], b : &[B]) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_as_mat` is never used
[INFO] [stdout]    --> src/lib.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub(crate) fn display_as_mat(s : &[f32], ncols : usize) -> String {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `coefficients` are never used
[INFO] [stdout]    --> src/dwt/mod.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Basis {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 100 |
[INFO] [stdout] 101 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn coefficients(&self) -> (&'static [f32; 4], &'static [f32; 4]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dwt_level_index` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn dwt_level_index(n : usize, lvl : usize) -> Range<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn verify_dwt_dimensions(src_len : usize, coarse_len : usize, detail_len : usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt1d_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn verify_dwt1d_dimensions(src : &[f32], coarse : &[f32], detail : &[f32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_dwt2d_dimensions` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn verify_dwt2d_dimensions(src : &[f32], coarse : &[f32], detail_x : &[f32], detail_y : &[f32], detail_xy : &[f32]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_and_prev_mut` is never used
[INFO] [stdout]    --> src/dwt/mod.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn index_and_prev_mut<T>(levels : &mut [T], last : usize) -> (&mut T, &mut T) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/conv/iter.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn windows(&self, win_sz : (usize, usize)) -> PatchIterator<N, S, U1, U1>;
[INFO] [stdout]    |                ^^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn windows(&self, win_sz : (usize, usize)) -> PatchIterator<'_, N, S, U1, U1>;
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn chunks(&self, sz : (usize, usize)) -> PatchIterator<N, S, Dynamic, Dynamic>;
[INFO] [stdout]     |               ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn chunks(&self, sz : (usize, usize)) -> PatchIterator<'_, N, S, Dynamic, Dynamic>;
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 143 |         sz : (usize, usize)
[INFO] [stdout] 144 |     ) -> PatchIterator<N, S, U1, U1> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ) -> PatchIterator<'_, N, S, U1, U1> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/conv/iter.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 170 |         sz : (usize, usize)
[INFO] [stdout] 171 |     ) -> PatchIterator<N, S, Dynamic, Dynamic> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 171 |     ) -> PatchIterator<'_, N, S, Dynamic, Dynamic> {
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DAUBECHIES` in this scope
[INFO] [stdout]   --> src/dwt/mod.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     println!("{:?} {:?}", derive_diff(&DAUBECHIES), DAUB4_HIGH);
[INFO] [stdout]    |                                        ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simba::scalar::SupersetOf`
[INFO] [stdout]  --> src/signal/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use simba::scalar::SupersetOf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/signal/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]   --> src/signal/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::ops::Range;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn delay(mut self, n : usize) -> Self {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal/mod.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn advance(mut self, n : usize) -> Self {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sz_compl`
[INFO] [stdout]   --> src/signal/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let sz_compl = sz - n;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sz_compl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/signal/mod.rs:256:18
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]    --> src/signal/mod.rs:611:13
[INFO] [stdout]     |
[INFO] [stdout] 611 |         let max = T::from(n as f32);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ripple` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b61e663652afaf3fe5ab8cd93a3464a4868ab4bb03d3b67949a5e3d8c75aaf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61e663652afaf3fe5ab8cd93a3464a4868ab4bb03d3b67949a5e3d8c75aaf61", kill_on_drop: false }`
[INFO] [stdout] b61e663652afaf3fe5ab8cd93a3464a4868ab4bb03d3b67949a5e3d8c75aaf61
