[INFO] fetching crate waveform 0.3.2...
[INFO] building waveform-0.3.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate waveform 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate waveform 0.3.2
[INFO] finished tweaking crates.io crate waveform 0.3.2
[INFO] tweaked toml for crates.io crate waveform 0.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waveform 0.3.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding c_vec v1.2.1 (available: v1.3.3)
[INFO] [stderr]       Adding gdk-pixbuf v0.1.3 (available: v0.21.2)
[INFO] [stderr]       Adding gtk v0.1.3 (available: v0.18.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b18e6177a11e199a1d384afe3bb3f0225cfb4ed092e603bfd18e647506bbff21
[INFO] running `Command { std: "docker" "start" "-a" "b18e6177a11e199a1d384afe3bb3f0225cfb4ed092e603bfd18e647506bbff21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b18e6177a11e199a1d384afe3bb3f0225cfb4ed092e603bfd18e647506bbff21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18e6177a11e199a1d384afe3bb3f0225cfb4ed092e603bfd18e647506bbff21", kill_on_drop: false }`
[INFO] [stdout] b18e6177a11e199a1d384afe3bb3f0225cfb4ed092e603bfd18e647506bbff21
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ee54289490edcde768328d592694813682f7da242676eb075c5e1b18b03119
[INFO] running `Command { std: "docker" "start" "-a" "25ee54289490edcde768328d592694813682f7da242676eb075c5e1b18b03119", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling waveform v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multi.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 .insert(*bs, try!(BinnedWaveformRenderer::new(samples, *bs, config)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binned.rs:36:127
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<Error>> {
[INFO] [stdout]    |                                                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/binned.rs:125:160
[INFO] [stdout]     |
[INFO] [stdout] 125 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn render_write(&self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/multi.rs:30:110
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multi.rs:123:164
[INFO] [stdout]     |
[INFO] [stdout] 123 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn render_write(&mut self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:92:90
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:66:102
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1_is_scalar`
[INFO] [stdout]   --> src/misc.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c1_is_scalar`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2_is_scalar`
[INFO] [stdout]   --> src/misc.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_is_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/misc.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[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/misc.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "25ee54289490edcde768328d592694813682f7da242676eb075c5e1b18b03119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ee54289490edcde768328d592694813682f7da242676eb075c5e1b18b03119", kill_on_drop: false }`
[INFO] [stdout] 25ee54289490edcde768328d592694813682f7da242676eb075c5e1b18b03119
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c24d015ef1ce8dbd64dab54fdc54e2fafd3f30dd0bad1788618b1a7aba47946
[INFO] running `Command { std: "docker" "start" "-a" "3c24d015ef1ce8dbd64dab54fdc54e2fafd3f30dd0bad1788618b1a7aba47946", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multi.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 .insert(*bs, try!(BinnedWaveformRenderer::new(samples, *bs, config)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binned.rs:36:127
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<Error>> {
[INFO] [stdout]    |                                                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/binned.rs:125:160
[INFO] [stdout]     |
[INFO] [stdout] 125 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn render_write(&self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/multi.rs:30:110
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multi.rs:123:164
[INFO] [stdout]     |
[INFO] [stdout] 123 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn render_write(&mut self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:92:90
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:66:102
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1_is_scalar`
[INFO] [stdout]   --> src/misc.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c1_is_scalar`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2_is_scalar`
[INFO] [stdout]   --> src/misc.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_is_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling waveform v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/misc.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[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/misc.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> examples/binned.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let vec: Vec<u8> =
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/multi.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 .insert(*bs, try!(BinnedWaveformRenderer::new(samples, *bs, config)));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/binned.rs:36:127
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<Error>> {
[INFO] [stdout]    |                                                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(samples: &SampleSequence<T>, bin_size: usize, config: WaveformConfig) -> Result<BinnedWaveformRenderer<T>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/binned.rs:125:160
[INFO] [stdout]     |
[INFO] [stdout] 125 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn render_write(&self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/multi.rs:30:110
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(samples: &SampleSequence<T>, bin_sizes: &[usize], config: WaveformConfig) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multi.rs:123:164
[INFO] [stdout]     |
[INFO] [stdout] 123 | ..., img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn render_write(&mut self, range: TimeRange, offsets: (usize, usize), shape: (usize, usize), img: &mut [u8], full_shape: (usize, usize)) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:92:90
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn set_colors(&mut self, background: Color, foreground: Color) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc.rs:66:102
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                                                                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(amp_min: f64, amp_max: f64, foreground: Color, background: Color) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/binned.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _test: &(Sync+Send) = &wfr;
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _test: &(dyn Sync+Send) = &wfr;
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multi.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _test: &(Sync+Send) = &wfr;
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _test: &(dyn Sync+Send) = &wfr;
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> examples/multi.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut vec: Vec<u8> =
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1_is_scalar`
[INFO] [stdout]   --> src/misc.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c1_is_scalar`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2_is_scalar`
[INFO] [stdout]   --> src/misc.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_is_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/misc.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut c1_is_scalar = false;
[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/misc.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut c2_is_scalar = false;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/multi.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut vec: Vec<u8> =
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "3c24d015ef1ce8dbd64dab54fdc54e2fafd3f30dd0bad1788618b1a7aba47946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c24d015ef1ce8dbd64dab54fdc54e2fafd3f30dd0bad1788618b1a7aba47946", kill_on_drop: false }`
[INFO] [stdout] 3c24d015ef1ce8dbd64dab54fdc54e2fafd3f30dd0bad1788618b1a7aba47946
