[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0872271d35a0de16eaca62af1fbcbd6c461aa7e [INFO] testing themultiplexer/rust-fft-spectrum against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemultiplexer%2Frust-fft-spectrum" "/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/themultiplexer/rust-fft-spectrum on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cafe13816c64e54c15c30a645f38ad8fde00d2c80d2a964288c14a78834ef3b [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" "1cafe13816c64e54c15c30a645f38ad8fde00d2c80d2a964288c14a78834ef3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cafe13816c64e54c15c30a645f38ad8fde00d2c80d2a964288c14a78834ef3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cafe13816c64e54c15c30a645f38ad8fde00d2c80d2a964288c14a78834ef3b", kill_on_drop: false }` [INFO] [stdout] 1cafe13816c64e54c15c30a645f38ad8fde00d2c80d2a964288c14a78834ef3b [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be419d3e5c4bb4eee6b088626fe069bd2f8926c8c48a628225375dc93ba9c8a4 [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" "be419d3e5c4bb4eee6b088626fe069bd2f8926c8c48a628225375dc93ba9c8a4", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling nb v0.1.1 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling transpose v0.1.0 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling strength_reduce v0.2.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling embedded-hal v0.2.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling ads1x1x v0.1.0 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling rustfft v3.0.0 [INFO] [stderr] Compiling i2cdev v0.4.1 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling sysfs_gpio v0.5.3 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling rust_gpiozero v0.1.0 [INFO] [stderr] Compiling 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: 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.58s [INFO] running `Command { std: "docker" "inspect" "be419d3e5c4bb4eee6b088626fe069bd2f8926c8c48a628225375dc93ba9c8a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be419d3e5c4bb4eee6b088626fe069bd2f8926c8c48a628225375dc93ba9c8a4", kill_on_drop: false }` [INFO] [stdout] be419d3e5c4bb4eee6b088626fe069bd2f8926c8c48a628225375dc93ba9c8a4 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e8301d31a04570cc79e8201f9ceccfcc211832d86ff0dbd27082b8bdc26e46f [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" "4e8301d31a04570cc79e8201f9ceccfcc211832d86ff0dbd27082b8bdc26e46f", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "4e8301d31a04570cc79e8201f9ceccfcc211832d86ff0dbd27082b8bdc26e46f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8301d31a04570cc79e8201f9ceccfcc211832d86ff0dbd27082b8bdc26e46f", kill_on_drop: false }` [INFO] [stdout] 4e8301d31a04570cc79e8201f9ceccfcc211832d86ff0dbd27082b8bdc26e46f [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4943bf6c5b6550e2e55f05d3ef6f04bae44039c5244290056262594dca8f47d9 [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" "4943bf6c5b6550e2e55f05d3ef6f04bae44039c5244290056262594dca8f47d9", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 17 | / loop { [INFO] [stderr] 18 | | let value = block!(adc.read(&mut channel::SingleA0)).unwrap(); [INFO] [stderr] 19 | | println!("Value: {}", value); [INFO] [stderr] 20 | | //thread::sleep(time::Duration::from_millis(50)); [INFO] [stderr] 21 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 22 | // get I2C device back [INFO] [stderr] 23 | let _dev = adc.destroy_ads1115(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fft-377f7a5068163506 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4943bf6c5b6550e2e55f05d3ef6f04bae44039c5244290056262594dca8f47d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4943bf6c5b6550e2e55f05d3ef6f04bae44039c5244290056262594dca8f47d9", kill_on_drop: false }` [INFO] [stdout] 4943bf6c5b6550e2e55f05d3ef6f04bae44039c5244290056262594dca8f47d9