[INFO] cloning repository https://github.com/SSStormy/stdf-spectrogram [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SSStormy/stdf-spectrogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSStormy%2Fstdf-spectrogram", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSStormy%2Fstdf-spectrogram'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] daf81914b8c18b808b1296a239080ad07e1e47e3 [INFO] checking SSStormy/stdf-spectrogram against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSStormy%2Fstdf-spectrogram" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SSStormy/stdf-spectrogram on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SSStormy/stdf-spectrogram [INFO] finished tweaking git repo https://github.com/SSStormy/stdf-spectrogram [INFO] tweaked toml for git repo https://github.com/SSStormy/stdf-spectrogram written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/SSStormy/stdf-spectrogram already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byteorder v1.2.2 [INFO] [stderr] Downloaded bmp v0.4.0 [INFO] [stderr] Downloaded spmc v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 138339c22cd5493d49ea5271803e19079f23d55dbbe8fa02f759379b4987b02f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "138339c22cd5493d49ea5271803e19079f23d55dbbe8fa02f759379b4987b02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "138339c22cd5493d49ea5271803e19079f23d55dbbe8fa02f759379b4987b02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138339c22cd5493d49ea5271803e19079f23d55dbbe8fa02f759379b4987b02f", kill_on_drop: false }` [INFO] [stdout] 138339c22cd5493d49ea5271803e19079f23d55dbbe8fa02f759379b4987b02f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11052367e2c02504cc567da6c36b162e6dc9343e7f9160682a713bb120c83455 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "11052367e2c02504cc567da6c36b162e6dc9343e7f9160682a713bb120c83455", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking spmc v0.2.2 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking bmp v0.4.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rustfft v2.0.0 [INFO] [stderr] Checking fft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | const NORM_SIZE: usize = (FFT_SIZE/2); [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | const NORM_SIZE: usize = (FFT_SIZE/2); [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freq` [INFO] [stdout] --> src/main.rs:68:29 [INFO] [stdout] | [INFO] [stdout] 68 | let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_freq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sampleSize` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampleSize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | for i in 0..NUM_WORKERS { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freq` [INFO] [stdout] --> src/main.rs:68:29 [INFO] [stdout] | [INFO] [stdout] 68 | let freq = i as f32 * sampleRate as f32 / FFT_SIZE as f32; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_freq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sampleSize` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampleSize` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | for i in 0..NUM_WORKERS { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let mut color = bmp::Pixel::new(grayscale, 0, (norm * 255_f32) as u8); [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/main.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let mut color = bmp::Pixel::new(grayscale, 0, (norm * 255_f32) as u8); [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 `sampleRate` should have a snake case name [INFO] [stdout] --> src/main.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sampleSize` should have a snake case name [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobProd` should have a snake case name [INFO] [stdout] --> src/main.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:50:19 [INFO] [stdout] | [INFO] [stdout] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printProd` should have a snake case name [INFO] [stdout] --> src/main.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `widthPerIter` should have a snake case name [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `width_per_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sampleRate` should have a snake case name [INFO] [stdout] --> src/main.rs:61:50 [INFO] [stdout] | [INFO] [stdout] 61 | PrintJob::Print(iteration, data, sampleRate) => { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minFreq` should have a snake case name [INFO] [stdout] --> src/main.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | let minFreq = 20; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `min_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `maxFreq` should have a snake case name [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | let maxFreq = 8000; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `max_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printThread` should have a snake case name [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let printThread = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `print_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sampleRate` should have a snake case name [INFO] [stdout] --> src/main.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn freq_to_bin(freq: u32, sampleRate: u32) -> usize { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sampleSize` should have a snake case name [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let sampleSize = reader.spec().sample_rate; [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobProd` should have a snake case name [INFO] [stdout] --> src/main.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:50:19 [INFO] [stdout] | [INFO] [stdout] 50 | let (jobProd, jobRecv) = spmc::channel(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printProd` should have a snake case name [INFO] [stdout] --> src/main.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let (printProd, printRecv) = mpsc::channel(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `widthPerIter` should have a snake case name [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let widthPerIter = (1_f32 + (FFT_SIZE as f32/ 1024_f32).round()) as u32; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `width_per_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sampleRate` should have a snake case name [INFO] [stdout] --> src/main.rs:61:50 [INFO] [stdout] | [INFO] [stdout] 61 | PrintJob::Print(iteration, data, sampleRate) => { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minFreq` should have a snake case name [INFO] [stdout] --> src/main.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | let minFreq = 20; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `min_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `maxFreq` should have a snake case name [INFO] [stdout] --> src/main.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 63 | let maxFreq = 8000; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `max_freq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printThread` should have a snake case name [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let printThread = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `print_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | jobProd.send(iteration); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let jobRecv = jobRecv.clone(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printProd` should have a snake case name [INFO] [stdout] --> src/main.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let printProd = printProd.clone(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:25 [INFO] [stdout] | [INFO] [stdout] 144 | printProd.send(PrintJob::Print(iteration, output, spec.sample_rate)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | jobProd.send(iteration); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `jobRecv` should have a snake case name [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let jobRecv = jobRecv.clone(); [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `job_recv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printProd` should have a snake case name [INFO] [stdout] --> src/main.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | let printProd = printProd.clone(); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_prod` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | reader.seek(iteration * spec.channels as u32 * FFT_SIZE as u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:25 [INFO] [stdout] | [INFO] [stdout] 144 | printProd.send(PrintJob::Print(iteration, output, spec.sample_rate)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.07s [INFO] running `Command { std: "docker" "inspect" "11052367e2c02504cc567da6c36b162e6dc9343e7f9160682a713bb120c83455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11052367e2c02504cc567da6c36b162e6dc9343e7f9160682a713bb120c83455", kill_on_drop: false }` [INFO] [stdout] 11052367e2c02504cc567da6c36b162e6dc9343e7f9160682a713bb120c83455