[INFO] fetching crate yeelib_rs 0.1.1... [INFO] checking yeelib_rs-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate yeelib_rs 0.1.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate yeelib_rs 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate yeelib_rs 0.1.1 [INFO] finished tweaking crates.io crate yeelib_rs 0.1.1 [INFO] tweaked toml for crates.io crate yeelib_rs 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate yeelib_rs 0.1.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fastrand v1.4.0 [INFO] [stderr] Downloaded anyhow v1.0.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad1fb558c66e1272714e290b79789469f18f321bd16994ea722b5a45758dda7e [INFO] running `Command { std: "docker" "start" "-a" "ad1fb558c66e1272714e290b79789469f18f321bd16994ea722b5a45758dda7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad1fb558c66e1272714e290b79789469f18f321bd16994ea722b5a45758dda7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad1fb558c66e1272714e290b79789469f18f321bd16994ea722b5a45758dda7e", kill_on_drop: false }` [INFO] [stdout] ad1fb558c66e1272714e290b79789469f18f321bd16994ea722b5a45758dda7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c5816663cacaec429da0855e6f8e2d26858e75ce78edcab80ea590eec08f01f [INFO] running `Command { std: "docker" "start" "-a" "8c5816663cacaec429da0855e6f8e2d26858e75ce78edcab80ea590eec08f01f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling anyhow v1.0.37 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking yeelib_rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/req.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/bin/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/bin/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/bin/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/bin/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/main.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 25 | / loop { [INFO] [stdout] 26 | | println!("dark"); [INFO] [stdout] 27 | | let result = light.set_bright(1, Transition::sudden()); [INFO] [stdout] 28 | | println!("{:?}", result); [INFO] [stdout] ... | [INFO] [stdout] 62 | | sleep(Duration::from_secs(4)); [INFO] [stdout] 63 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 82 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/main.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 25 | / loop { [INFO] [stdout] 26 | | println!("dark"); [INFO] [stdout] 27 | | let result = light.set_bright(1, Transition::sudden()); [INFO] [stdout] 28 | | println!("{:?}", result); [INFO] [stdout] ... | [INFO] [stdout] 62 | | sleep(Duration::from_secs(4)); [INFO] [stdout] 63 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 82 | 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/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | light.set_ct_abx(2700, Transition::sudden()); [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] 47 | let _ = light.set_ct_abx(2700, Transition::sudden()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | light.set_ct_abx(6600, Transition::sudden()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = light.set_ct_abx(6600, Transition::sudden()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | light.set_rgb(Rgb::new(30, 40, 50), Transition::Sudden); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = light.set_rgb(Rgb::new(30, 40, 50), Transition::Sudden); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | light.set_ct_abx(2700, Transition::sudden()); [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] 47 | let _ = light.set_ct_abx(2700, Transition::sudden()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | light.set_ct_abx(6600, Transition::sudden()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = light.set_ct_abx(6600, Transition::sudden()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | light.set_rgb(Rgb::new(30, 40, 50), Transition::Sudden); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = light.set_rgb(Rgb::new(30, 40, 50), Transition::Sudden); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.84s [INFO] running `Command { std: "docker" "inspect" "8c5816663cacaec429da0855e6f8e2d26858e75ce78edcab80ea590eec08f01f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c5816663cacaec429da0855e6f8e2d26858e75ce78edcab80ea590eec08f01f", kill_on_drop: false }` [INFO] [stdout] 8c5816663cacaec429da0855e6f8e2d26858e75ce78edcab80ea590eec08f01f