[INFO] fetching crate oxy-linux-pwm 0.1.2...
[INFO] checking oxy-linux-pwm-0.1.2 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate oxy-linux-pwm 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate oxy-linux-pwm 0.1.2
[INFO] finished tweaking crates.io crate oxy-linux-pwm 0.1.2
[INFO] tweaked toml for crates.io crate oxy-linux-pwm 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxy-linux-pwm 0.1.2 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c12e88d995d5cc59346cdeabfe4ec4b78dff08303533c14f95fe4f68c7feec
[INFO] running `Command { std: "docker" "start" "-a" "25c12e88d995d5cc59346cdeabfe4ec4b78dff08303533c14f95fe4f68c7feec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c12e88d995d5cc59346cdeabfe4ec4b78dff08303533c14f95fe4f68c7feec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c12e88d995d5cc59346cdeabfe4ec4b78dff08303533c14f95fe4f68c7feec", kill_on_drop: false }`
[INFO] [stdout] 25c12e88d995d5cc59346cdeabfe4ec4b78dff08303533c14f95fe4f68c7feec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053de180912f841334465720bbe100cb6c9fb6623be1e4062c9b2c09c5aebcca
[INFO] running `Command { std: "docker" "start" "-a" "053de180912f841334465720bbe100cb6c9fb6623be1e4062c9b2c09c5aebcca", kill_on_drop: false }`
[INFO] [stderr]     Checking oxy-linux-pwm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_duty_cycle` is never used
[INFO] [stdout]    --> src/sysfs.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_duty_cycle(pwm_chip: u8, pwm_channel: u8) -> Result<u64, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_period` is never used
[INFO] [stdout]    --> src/sysfs.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn get_period(pwm_chip: u8, pwm_channel: u8) -> Result<u64, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_polarity` is never used
[INFO] [stdout]    --> src/sysfs.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn get_polarity(pwm_chip: u8, pwm_channel: u8) -> Result<Polarity, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PwmService` is never constructed
[INFO] [stdout]  --> src/service.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PwmService {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `managed_channels` is never read
[INFO] [stdout]  --> src/service.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PwmService {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 2 |     managed_channels: Vec<(u8, u8)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/service.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl PwmService {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 6 |     fn new () -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxy-linux-pwm` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stdout] warning: function `get_duty_cycle` is never used
[INFO] [stdout]    --> src/sysfs.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_duty_cycle(pwm_chip: u8, pwm_channel: u8) -> Result<u64, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `get_period` is never used
[INFO] [stdout]    --> src/sysfs.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn get_period(pwm_chip: u8, pwm_channel: u8) -> Result<u64, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_polarity` is never used
[INFO] [stdout]    --> src/sysfs.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn get_polarity(pwm_chip: u8, pwm_channel: u8) -> Result<Polarity, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PwmService` is never constructed
[INFO] [stdout]  --> src/service.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PwmService {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `managed_channels` is never read
[INFO] [stdout]  --> src/service.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PwmService {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 2 |     managed_channels: Vec<(u8, u8)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/service.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl PwmService {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 6 |     fn new () -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxy-linux-pwm` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "053de180912f841334465720bbe100cb6c9fb6623be1e4062c9b2c09c5aebcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053de180912f841334465720bbe100cb6c9fb6623be1e4062c9b2c09c5aebcca", kill_on_drop: false }`
[INFO] [stdout] 053de180912f841334465720bbe100cb6c9fb6623be1e4062c9b2c09c5aebcca
