[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] checking DasEtwas/arduino_audio_stream against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDasEtwas%2Farduino_audio_stream" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DasEtwas/arduino_audio_stream on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serialport v4.0.0 [INFO] [stderr] Downloaded libc v0.2.85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ed2766e30b67448ebba3c66578a08a678d4be9ec9b2f49c65aa8dabc9b38c93 [INFO] running `Command { std: "docker" "start" "-a" "7ed2766e30b67448ebba3c66578a08a678d4be9ec9b2f49c65aa8dabc9b38c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ed2766e30b67448ebba3c66578a08a678d4be9ec9b2f49c65aa8dabc9b38c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed2766e30b67448ebba3c66578a08a678d4be9ec9b2f49c65aa8dabc9b38c93", kill_on_drop: false }` [INFO] [stdout] 7ed2766e30b67448ebba3c66578a08a678d4be9ec9b2f49c65aa8dabc9b38c93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f24b5c5b246065d5b5b746bc830cc75386d6f74f21e5ccbfe6ae3a6504a02e27 [INFO] running `Command { std: "docker" "start" "-a" "f24b5c5b246065d5b5b746bc830cc75386d6f74f21e5ccbfe6ae3a6504a02e27", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking serialport v4.0.0 [INFO] [stderr] Checking 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: 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 `LPF_STRENGTH` is never used [INFO] [stdout] --> src/dfpwm.rs:13:7 [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 `DfpwmDecoder` is never constructed [INFO] [stdout] --> src/dfpwm.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct DfpwmDecoder { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `LPF_STRENGTH` is never used [INFO] [stdout] --> src/dfpwm.rs:13:7 [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: associated items `new` and `decompress_byte` are never used [INFO] [stdout] --> src/dfpwm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 70 | impl DfpwmDecoder { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 71 | pub fn new() -> DfpwmDecoder { [INFO] [stdout] | ^^^ [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 `decompress_byte` is never used [INFO] [stdout] --> src/dfpwm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn decompress_byte( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DfpwmDecoder` is never constructed [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 items `new` and `decompress_byte` are never used [INFO] [stdout] --> src/dfpwm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 70 | impl DfpwmDecoder { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 71 | pub fn new() -> DfpwmDecoder { [INFO] [stdout] | ^^^ [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 `decompress_byte` is never used [INFO] [stdout] --> src/dfpwm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn decompress_byte( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "f24b5c5b246065d5b5b746bc830cc75386d6f74f21e5ccbfe6ae3a6504a02e27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f24b5c5b246065d5b5b746bc830cc75386d6f74f21e5ccbfe6ae3a6504a02e27", kill_on_drop: false }` [INFO] [stdout] f24b5c5b246065d5b5b746bc830cc75386d6f74f21e5ccbfe6ae3a6504a02e27 [INFO] checking DasEtwas/arduino_audio_stream against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDasEtwas%2Farduino_audio_stream" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DasEtwas/arduino_audio_stream on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f289e79a560b9f43f42e6ac1969557b33a4b0c9fddc9682862f9d24ca8d0f75 [INFO] running `Command { std: "docker" "start" "-a" "3f289e79a560b9f43f42e6ac1969557b33a4b0c9fddc9682862f9d24ca8d0f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f289e79a560b9f43f42e6ac1969557b33a4b0c9fddc9682862f9d24ca8d0f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f289e79a560b9f43f42e6ac1969557b33a4b0c9fddc9682862f9d24ca8d0f75", kill_on_drop: false }` [INFO] [stdout] 3f289e79a560b9f43f42e6ac1969557b33a4b0c9fddc9682862f9d24ca8d0f75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5b9acba7891cf473ab9679480345a10148eefaad64b4109caaf73b084cdea9c [INFO] running `Command { std: "docker" "start" "-a" "f5b9acba7891cf473ab9679480345a10148eefaad64b4109caaf73b084cdea9c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libudev-0.2.0/src/enumerator.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | / match self.enumerator.context.device_from_syspath(syspath) { [INFO] [stdout] 160 | | Ok(d) => return Some(d), [INFO] [stdout] 161 | | Err(_) => continue [INFO] [stdout] 162 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libudev` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f5b9acba7891cf473ab9679480345a10148eefaad64b4109caaf73b084cdea9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5b9acba7891cf473ab9679480345a10148eefaad64b4109caaf73b084cdea9c", kill_on_drop: false }` [INFO] [stdout] f5b9acba7891cf473ab9679480345a10148eefaad64b4109caaf73b084cdea9c