[INFO] cloning repository https://github.com/DasEtwas/arduino_audio_stream [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DasEtwas/arduino_audio_stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDasEtwas%2Farduino_audio_stream", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDasEtwas%2Farduino_audio_stream'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d0f4bf98bbf9c9ad56c02fd2ea904fd07e3fb39 [INFO] testing DasEtwas/arduino_audio_stream against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDasEtwas%2Farduino_audio_stream" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DasEtwas/arduino_audio_stream on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DasEtwas/arduino_audio_stream [INFO] finished tweaking git repo https://github.com/DasEtwas/arduino_audio_stream [INFO] tweaked toml for git repo https://github.com/DasEtwas/arduino_audio_stream written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/DasEtwas/arduino_audio_stream already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e869ceb5e3a1ce32232c725034f13899d181fa9449cbd0e0dc4e85b92d38f508 [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" "e869ceb5e3a1ce32232c725034f13899d181fa9449cbd0e0dc4e85b92d38f508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e869ceb5e3a1ce32232c725034f13899d181fa9449cbd0e0dc4e85b92d38f508", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e869ceb5e3a1ce32232c725034f13899d181fa9449cbd0e0dc4e85b92d38f508", kill_on_drop: false }` [INFO] [stdout] e869ceb5e3a1ce32232c725034f13899d181fa9449cbd0e0dc4e85b92d38f508 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc3a543e548cb8bcc11c9ee832cf50c99f1f4bc3327b37e83e081338d1224502 [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" "cc3a543e548cb8bcc11c9ee832cf50c99f1f4bc3327b37e83e081338d1224502", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling hound v3.4.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling serialport v4.0.0 [INFO] [stderr] Compiling arduino_audio_stream v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `yield_now` [INFO] [stdout] --> src/main.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread::{sleep, spawn, yield_now}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `LPF_STRENGTH` [INFO] [stdout] --> src/dfpwm.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const LPF_STRENGTH: i32 = 140; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DfpwmDecoder` [INFO] [stdout] --> src/dfpwm.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct DfpwmDecoder { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/dfpwm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn new() -> DfpwmDecoder { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `decompress_byte` [INFO] [stdout] --> src/dfpwm.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn decompress_byte(&mut self, data: u8, output: &mut [i32; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decompress_byte` [INFO] [stdout] --> src/dfpwm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn decompress_byte( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.51s [INFO] running `Command { std: "docker" "inspect" "cc3a543e548cb8bcc11c9ee832cf50c99f1f4bc3327b37e83e081338d1224502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc3a543e548cb8bcc11c9ee832cf50c99f1f4bc3327b37e83e081338d1224502", kill_on_drop: false }` [INFO] [stdout] cc3a543e548cb8bcc11c9ee832cf50c99f1f4bc3327b37e83e081338d1224502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdcfd4d73e436cbebe3dfa337be22e2daa5319aa46bc5a4ff126e4fe9bd7f48c [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" "bdcfd4d73e436cbebe3dfa337be22e2daa5319aa46bc5a4ff126e4fe9bd7f48c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arduino_audio_stream v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `yield_now` [INFO] [stdout] --> src/main.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread::{sleep, spawn, yield_now}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `LPF_STRENGTH` [INFO] [stdout] --> src/dfpwm.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const LPF_STRENGTH: i32 = 140; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DfpwmDecoder` [INFO] [stdout] --> src/dfpwm.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct DfpwmDecoder { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/dfpwm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn new() -> DfpwmDecoder { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `decompress_byte` [INFO] [stdout] --> src/dfpwm.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn decompress_byte(&mut self, data: u8, output: &mut [i32; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `decompress_byte` [INFO] [stdout] --> src/dfpwm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn decompress_byte( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.20s [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bdcfd4d73e436cbebe3dfa337be22e2daa5319aa46bc5a4ff126e4fe9bd7f48c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdcfd4d73e436cbebe3dfa337be22e2daa5319aa46bc5a4ff126e4fe9bd7f48c", kill_on_drop: false }` [INFO] [stdout] bdcfd4d73e436cbebe3dfa337be22e2daa5319aa46bc5a4ff126e4fe9bd7f48c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 024880032e9213bbcba6721f104091172d4f8e19fb13c36348903dc5132d1ba9 [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" "024880032e9213bbcba6721f104091172d4f8e19fb13c36348903dc5132d1ba9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `yield_now` [INFO] [stderr] --> src/main.rs:9:33 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::{sleep, spawn, yield_now}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `LPF_STRENGTH` [INFO] [stderr] --> src/dfpwm.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const LPF_STRENGTH: i32 = 140; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DfpwmDecoder` [INFO] [stderr] --> src/dfpwm.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub struct DfpwmDecoder { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/dfpwm.rs:71:12 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn new() -> DfpwmDecoder { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `decompress_byte` [INFO] [stderr] --> src/dfpwm.rs:84:12 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn decompress_byte(&mut self, data: u8, output: &mut [i32; 8]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `decompress_byte` [INFO] [stderr] --> src/dfpwm.rs:95:4 [INFO] [stderr] | [INFO] [stderr] 95 | fn decompress_byte( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `arduino_audio_stream` (bin "arduino_audio_stream" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arduino_audio_stream-1b37848a69f1a7a8) [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" "024880032e9213bbcba6721f104091172d4f8e19fb13c36348903dc5132d1ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "024880032e9213bbcba6721f104091172d4f8e19fb13c36348903dc5132d1ba9", kill_on_drop: false }` [INFO] [stdout] 024880032e9213bbcba6721f104091172d4f8e19fb13c36348903dc5132d1ba9