[INFO] cloning repository https://github.com/avrong/rpi-rust-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avrong/rpi-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 16a6150c4ef3b509935e0bef384e69663b6e5690 [INFO] building avrong/rpi-rust-experiments against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrong%2Frpi-rust-experiments" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avrong/rpi-rust-experiments on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/avrong/rpi-rust-experiments [INFO] finished tweaking git repo https://github.com/avrong/rpi-rust-experiments [INFO] tweaked toml for git repo https://github.com/avrong/rpi-rust-experiments written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/avrong/rpi-rust-experiments 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rppal v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff06e22a6d35c7ba12c9a55a2516c66088e3606a5653cf5dcc1e585ab1c7b68e [INFO] running `Command { std: "docker" "start" "-a" "ff06e22a6d35c7ba12c9a55a2516c66088e3606a5653cf5dcc1e585ab1c7b68e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff06e22a6d35c7ba12c9a55a2516c66088e3606a5653cf5dcc1e585ab1c7b68e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff06e22a6d35c7ba12c9a55a2516c66088e3606a5653cf5dcc1e585ab1c7b68e", kill_on_drop: false }` [INFO] [stdout] ff06e22a6d35c7ba12c9a55a2516c66088e3606a5653cf5dcc1e585ab1c7b68e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d5b52a41ff29846d802d405bc52385d7e8ec65e322a28a5ba31a7192d21c9f5 [INFO] running `Command { std: "docker" "start" "-a" "7d5b52a41ff29846d802d405bc52385d7e8ec65e322a28a5ba31a7192d21c9f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rppal v0.13.1 [INFO] [stderr] Compiling rpi-rust-experiments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/breathing_led.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut led_pin = Pwm::new(Channel::Pwm0)?; [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: unreachable expression [INFO] [stdout] --> src/bin/buzzer.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 12 | / loop { [INFO] [stdout] 13 | | beep_pin.set_high(); [INFO] [stdout] 14 | | thread::sleep(Duration::from_millis(500)); [INFO] [stdout] ... | [INFO] [stdout] 17 | | thread::sleep(Duration::from_millis(500)); [INFO] [stdout] 18 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 19 | [INFO] [stdout] 20 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/button_led_state.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | button_pin.set_interrupt(Trigger::FallingEdge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 14 | let _ = button_pin.set_interrupt(Trigger::FallingEdge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s [INFO] running `Command { std: "docker" "inspect" "7d5b52a41ff29846d802d405bc52385d7e8ec65e322a28a5ba31a7192d21c9f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d5b52a41ff29846d802d405bc52385d7e8ec65e322a28a5ba31a7192d21c9f5", kill_on_drop: false }` [INFO] [stdout] 7d5b52a41ff29846d802d405bc52385d7e8ec65e322a28a5ba31a7192d21c9f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 524e5e31761545126e41c3ac9e7b66d3855171d6bcadc32ff1f388d4f329a933 [INFO] running `Command { std: "docker" "start" "-a" "524e5e31761545126e41c3ac9e7b66d3855171d6bcadc32ff1f388d4f329a933", kill_on_drop: false }` [INFO] [stderr] Compiling rpi-rust-experiments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/breathing_led.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut led_pin = Pwm::new(Channel::Pwm0)?; [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: unreachable expression [INFO] [stdout] --> src/bin/buzzer.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 12 | / loop { [INFO] [stdout] 13 | | beep_pin.set_high(); [INFO] [stdout] 14 | | thread::sleep(Duration::from_millis(500)); [INFO] [stdout] ... | [INFO] [stdout] 17 | | thread::sleep(Duration::from_millis(500)); [INFO] [stdout] 18 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 19 | [INFO] [stdout] 20 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/button_led_state.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | button_pin.set_interrupt(Trigger::FallingEdge); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 14 | let _ = button_pin.set_interrupt(Trigger::FallingEdge); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "524e5e31761545126e41c3ac9e7b66d3855171d6bcadc32ff1f388d4f329a933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524e5e31761545126e41c3ac9e7b66d3855171d6bcadc32ff1f388d4f329a933", kill_on_drop: false }` [INFO] [stdout] 524e5e31761545126e41c3ac9e7b66d3855171d6bcadc32ff1f388d4f329a933