[INFO] cloning repository https://github.com/themultiplexer/rust-fft-spectrum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themultiplexer/rust-fft-spectrum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemultiplexer%2Frust-fft-spectrum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemultiplexer%2Frust-fft-spectrum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0872271d35a0de16eaca62af1fbcbd6c461aa7e [INFO] checking themultiplexer/rust-fft-spectrum against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemultiplexer%2Frust-fft-spectrum" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/themultiplexer/rust-fft-spectrum on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/themultiplexer/rust-fft-spectrum [INFO] finished tweaking git repo https://github.com/themultiplexer/rust-fft-spectrum [INFO] tweaked toml for git repo https://github.com/themultiplexer/rust-fft-spectrum written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/themultiplexer/rust-fft-spectrum already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded rust_gpiozero v0.1.0 [INFO] [stderr] Downloaded sysfs_gpio v0.5.3 [INFO] [stderr] Downloaded i2cdev v0.4.1 [INFO] [stderr] Downloaded strength_reduce v0.2.1 [INFO] [stderr] Downloaded embedded-hal v0.2.2 [INFO] [stderr] Downloaded ads1x1x v0.1.0 [INFO] [stderr] Downloaded nb v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1090f368d04d84aedee2bc10c173cca5428e630b9096698efb26ec83eae62cd [INFO] running `Command { std: "docker" "start" "-a" "f1090f368d04d84aedee2bc10c173cca5428e630b9096698efb26ec83eae62cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1090f368d04d84aedee2bc10c173cca5428e630b9096698efb26ec83eae62cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1090f368d04d84aedee2bc10c173cca5428e630b9096698efb26ec83eae62cd", kill_on_drop: false }` [INFO] [stdout] f1090f368d04d84aedee2bc10c173cca5428e630b9096698efb26ec83eae62cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c1dae5334b80c9d7997d2e25668172b535ebae06303f2e3347e1e96f45d0bdc [INFO] running `Command { std: "docker" "start" "-a" "5c1dae5334b80c9d7997d2e25668172b535ebae06303f2e3347e1e96f45d0bdc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Checking nb v0.1.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking strength_reduce v0.2.1 [INFO] [stderr] Checking transpose v0.1.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Checking embedded-hal v0.2.2 [INFO] [stderr] Checking ads1x1x v0.1.0 [INFO] [stderr] Checking rustfft v3.0.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking nix v0.11.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking i2cdev v0.4.1 [INFO] [stderr] Checking sysfs_gpio v0.5.3 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Checking rust_gpiozero v0.1.0 [INFO] [stderr] Checking fft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 17 | / loop { [INFO] [stdout] 18 | | let value = block!(adc.read(&mut channel::SingleA0)).unwrap(); [INFO] [stdout] 19 | | println!("Value: {}", value); [INFO] [stdout] 20 | | //thread::sleep(time::Duration::from_millis(50)); [INFO] [stdout] 21 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 22 | // get I2C device back [INFO] [stdout] 23 | let _dev = adc.destroy_ads1115(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 17 | / loop { [INFO] [stdout] 18 | | let value = block!(adc.read(&mut channel::SingleA0)).unwrap(); [INFO] [stdout] 19 | | println!("Value: {}", value); [INFO] [stdout] 20 | | //thread::sleep(time::Duration::from_millis(50)); [INFO] [stdout] 21 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 22 | // get I2C device back [INFO] [stdout] 23 | let _dev = adc.destroy_ads1115(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.72s [INFO] running `Command { std: "docker" "inspect" "5c1dae5334b80c9d7997d2e25668172b535ebae06303f2e3347e1e96f45d0bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c1dae5334b80c9d7997d2e25668172b535ebae06303f2e3347e1e96f45d0bdc", kill_on_drop: false }` [INFO] [stdout] 5c1dae5334b80c9d7997d2e25668172b535ebae06303f2e3347e1e96f45d0bdc