[INFO] cloning repository https://github.com/waltoconnor/epycd8-fan-control
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waltoconnor/epycd8-fan-control" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltoconnor%2Fepycd8-fan-control", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltoconnor%2Fepycd8-fan-control'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 268f36e589b69051c9d1c8f3295f50927ce73ebc
[INFO] checking waltoconnor/epycd8-fan-control against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaltoconnor%2Fepycd8-fan-control" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/waltoconnor/epycd8-fan-control on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/waltoconnor/epycd8-fan-control
[INFO] finished tweaking git repo https://github.com/waltoconnor/epycd8-fan-control
[INFO] tweaked toml for git repo https://github.com/waltoconnor/epycd8-fan-control written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/waltoconnor/epycd8-fan-control 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.106
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b995612628823a58292cf27176fef18fbce010f5305a63f3490e5278b0df4463
[INFO] running `Command { std: "docker" "start" "-a" "b995612628823a58292cf27176fef18fbce010f5305a63f3490e5278b0df4463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b995612628823a58292cf27176fef18fbce010f5305a63f3490e5278b0df4463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b995612628823a58292cf27176fef18fbce010f5305a63f3490e5278b0df4463", kill_on_drop: false }`
[INFO] [stdout] b995612628823a58292cf27176fef18fbce010f5305a63f3490e5278b0df4463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13bc0917937dd6df4fe9417bf97b55a41ef0422c9d743e599fa57e8bcf672ee1
[INFO] running `Command { std: "docker" "start" "-a" "13bc0917937dd6df4fe9417bf97b55a41ef0422c9d743e599fa57e8bcf672ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.106
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking epycd8-fan-control v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TempSource`
[INFO] [stdout]  --> src/locate_hwmon.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::config::{Config, TempSource};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TempSource`
[INFO] [stdout]  --> src/locate_hwmon.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::config::{Config, TempSource};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/locate_hwmon.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |             (Some(path), Some(sens)) => {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sens`
[INFO] [stdout]   --> src/locate_hwmon.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |             (Some(path), Some(sens)) => {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_sens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/locate_hwmon.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |             (Some(path), None) => (),
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/locate_hwmon.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |             (Some(path), Some(sens)) => {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sens`
[INFO] [stdout]   --> src/locate_hwmon.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |             (Some(path), Some(sens)) => {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_sens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/locate_hwmon.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |             (Some(path), None) => (),
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/locate_hwmon.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/locate_hwmon.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/locate_hwmon.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         Err(e) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/locate_hwmon.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         Err(e) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/locate_hwmon.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let (head, rest) = fn_string.split_at(index_of_uscore);
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/locate_hwmon.rs:101:36
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let (head, rest) = fn_string.split_at(index_of_uscore);
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rear_fan2` is never read
[INFO] [stdout]   --> src/config.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub rear_fan2: FanConfig,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rear_fan2` is never read
[INFO] [stdout]   --> src/config.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub rear_fan2: FanConfig,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "13bc0917937dd6df4fe9417bf97b55a41ef0422c9d743e599fa57e8bcf672ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bc0917937dd6df4fe9417bf97b55a41ef0422c9d743e599fa57e8bcf672ee1", kill_on_drop: false }`
[INFO] [stdout] 13bc0917937dd6df4fe9417bf97b55a41ef0422c9d743e599fa57e8bcf672ee1