[INFO] cloning repository https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 934ea32bf0362c7cce62f13f07c7f5d886f9c935 [INFO] testing syntheticsh/ffmpeg_and_sdl_tutorial against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial [INFO] finished tweaking git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial [INFO] tweaked toml for git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/syntheticsh/rust-ffmpeg.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b969de9736ac2952c12cde4d79bceb64b477cccd9a261662d753f9bd69993f60 [INFO] running `Command { std: "docker" "start" "-a" "b969de9736ac2952c12cde4d79bceb64b477cccd9a261662d753f9bd69993f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b969de9736ac2952c12cde4d79bceb64b477cccd9a261662d753f9bd69993f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b969de9736ac2952c12cde4d79bceb64b477cccd9a261662d753f9bd69993f60", kill_on_drop: false }` [INFO] [stdout] b969de9736ac2952c12cde4d79bceb64b477cccd9a261662d753f9bd69993f60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a18e0e15e441e6e1163877305b673ec635e8649e3aa5f6ab0ce947be383f526 [INFO] running `Command { std: "docker" "start" "-a" "7a18e0e15e441e6e1163877305b673ec635e8649e3aa5f6ab0ce947be383f526", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling bindgen v0.54.0 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling weezl v0.1.4 [INFO] [stderr] Compiling sdl2 v0.34.3 [INFO] [stderr] Compiling ffmpeg-next v4.4.0-dev (https://github.com/syntheticsh/rust-ffmpeg.git#e97a6ef8) [INFO] [stderr] Compiling bytemuck v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling gif v0.11.1 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.12 [INFO] [stderr] Compiling ffmpeg-sys-next v4.3.5 [INFO] [stderr] Compiling fftut1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stdout] --> src/tut3/main.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AudioSpec` [INFO] [stdout] --> src/tut3/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stdout] --> src/tut4/main.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AudioSpec` [INFO] [stdout] --> src/tut4/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `timer` is assigned to, but never used [INFO] [stdout] --> src/tut4/main.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | let mut timer = timer_subsystem.add_timer( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_timer` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `timer` is never read [INFO] [stdout] --> src/tut4/main.rs:145:21 [INFO] [stdout] | [INFO] [stdout] 145 | timer = timer_subsystem.add_timer( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tut4/main.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(mut ictx) = input( [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: field is never read: `a` [INFO] [stdout] --> src/tut4/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | a: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tut4/main.rs:160:21 [INFO] [stdout] | [INFO] [stdout] 160 | break_flag.lock().map(|_| true); [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: unused `Result` that must be used [INFO] [stdout] --> src/tut4/main.rs:161:21 [INFO] [stdout] | [INFO] [stdout] 161 | ph.join(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.35s [INFO] running `Command { std: "docker" "inspect" "7a18e0e15e441e6e1163877305b673ec635e8649e3aa5f6ab0ce947be383f526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a18e0e15e441e6e1163877305b673ec635e8649e3aa5f6ab0ce947be383f526", kill_on_drop: false }` [INFO] [stdout] 7a18e0e15e441e6e1163877305b673ec635e8649e3aa5f6ab0ce947be383f526 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbb071e70e8caabcee095ef0f469356b67e51984474d2dc0b8f5749d9c61773a [INFO] running `Command { std: "docker" "start" "-a" "fbb071e70e8caabcee095ef0f469356b67e51984474d2dc0b8f5749d9c61773a", kill_on_drop: false }` [INFO] [stderr] Compiling fftut1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stdout] --> src/tut3/main.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AudioSpec` [INFO] [stdout] --> src/tut3/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stdout] --> src/tut4/main.rs:7:70 [INFO] [stdout] | [INFO] [stdout] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AudioSpec` [INFO] [stdout] --> src/tut4/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `timer` is assigned to, but never used [INFO] [stdout] --> src/tut4/main.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | let mut timer = timer_subsystem.add_timer( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_timer` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `timer` is never read [INFO] [stdout] --> src/tut4/main.rs:145:21 [INFO] [stdout] | [INFO] [stdout] 145 | timer = timer_subsystem.add_timer( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tut4/main.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(mut ictx) = input( [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: field is never read: `a` [INFO] [stdout] --> src/tut4/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | a: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tut4/main.rs:160:21 [INFO] [stdout] | [INFO] [stdout] 160 | break_flag.lock().map(|_| true); [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: unused `Result` that must be used [INFO] [stdout] --> src/tut4/main.rs:161:21 [INFO] [stdout] | [INFO] [stdout] 161 | ph.join(); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.03s [INFO] running `Command { std: "docker" "inspect" "fbb071e70e8caabcee095ef0f469356b67e51984474d2dc0b8f5749d9c61773a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb071e70e8caabcee095ef0f469356b67e51984474d2dc0b8f5749d9c61773a", kill_on_drop: false }` [INFO] [stdout] fbb071e70e8caabcee095ef0f469356b67e51984474d2dc0b8f5749d9c61773a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dd3c66326a23f87c4bd80d8dbb032c1a0fea8e5c96d4a12b114728b1ea254260 [INFO] running `Command { std: "docker" "start" "-a" "dd3c66326a23f87c4bd80d8dbb032c1a0fea8e5c96d4a12b114728b1ea254260", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stderr] --> src/tut3/main.rs:7:70 [INFO] [stderr] | [INFO] [stderr] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `AudioSpec` [INFO] [stderr] --> src/tut3/main.rs:10:19 [INFO] [stderr] | [INFO] [stderr] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `flag::Flags as AudioFlags` [INFO] [stderr] --> src/tut4/main.rs:7:70 [INFO] [stderr] | [INFO] [stderr] 7 | use ffmpeg::software::resampling::{context::Context as AudioContext, flag::Flags as AudioFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `AudioSpec` [INFO] [stderr] --> src/tut4/main.rs:10:19 [INFO] [stderr] | [INFO] [stderr] 10 | use sdl2::audio::{AudioSpec, AudioSpecDesired}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `timer` is assigned to, but never used [INFO] [stderr] --> src/tut4/main.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | let mut timer = timer_subsystem.add_timer( [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_timer` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `timer` is never read [INFO] [stderr] --> src/tut4/main.rs:145:21 [INFO] [stderr] | [INFO] [stderr] 145 | timer = timer_subsystem.add_timer( [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tut4/main.rs:29:15 [INFO] [stderr] | [INFO] [stderr] 29 | if let Ok(mut ictx) = input( [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/tut4/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | a: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tut4/main.rs:160:21 [INFO] [stderr] | [INFO] [stderr] 160 | break_flag.lock().map(|_| true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tut4/main.rs:161:21 [INFO] [stderr] | [INFO] [stderr] 161 | ph.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `fftut1` (bin "tut3" test) generated 2 warnings [INFO] [stderr] warning: `fftut1` (bin "tut4" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut1-b8b371207b8ddbd8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut2-339950ac576b4534) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut3-6da601d334250c5c) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut4-263b15c755084d53) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dd3c66326a23f87c4bd80d8dbb032c1a0fea8e5c96d4a12b114728b1ea254260", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd3c66326a23f87c4bd80d8dbb032c1a0fea8e5c96d4a12b114728b1ea254260", kill_on_drop: false }` [INFO] [stdout] dd3c66326a23f87c4bd80d8dbb032c1a0fea8e5c96d4a12b114728b1ea254260