[INFO] cloning repository https://github.com/Lyndeno/autoddc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyndeno/autoddc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fautoddc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fautoddc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 335bd8f67a97242966d4c7b7e589ed50e9372212
[INFO] checking Lyndeno/autoddc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndeno%2Fautoddc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lyndeno/autoddc
[INFO] finished tweaking git repo https://github.com/Lyndeno/autoddc
[INFO] tweaked toml for git repo https://github.com/Lyndeno/autoddc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lyndeno/autoddc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lyndeno/autoddc 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add45adcdcb4108c356a5c6ff182da6826eaf0998ece5e09ad3ee3cdf033382e
[INFO] running `Command { std: "docker" "start" "-a" "add45adcdcb4108c356a5c6ff182da6826eaf0998ece5e09ad3ee3cdf033382e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add45adcdcb4108c356a5c6ff182da6826eaf0998ece5e09ad3ee3cdf033382e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add45adcdcb4108c356a5c6ff182da6826eaf0998ece5e09ad3ee3cdf033382e", kill_on_drop: false }`
[INFO] [stdout] add45adcdcb4108c356a5c6ff182da6826eaf0998ece5e09ad3ee3cdf033382e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e1ae0c8ecc4bdf419d6d4ba7beec198beee6254ffbc5b4798b6f962a2d89d81
[INFO] running `Command { std: "docker" "start" "-a" "7e1ae0c8ecc4bdf419d6d4ba7beec198beee6254ffbc5b4798b6f962a2d89d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking backlight v0.1.1
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking sunrise v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking illuminator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `verbose`, `brightness_step`, and `transition_dur` are never read
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     brightness_step: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     transition_dur: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_step_delay` is never used
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn get_step_delay(delta_brightness: u16, delta_seconds: i64, bright_step: u16) -> time::Duration {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_brightness` is never used
[INFO] [stdout]  --> src/brightness.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Brightness {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn get_brightness(&mut self) -> Option<u16>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     /// Path to i2c display
[INFO] [stdout] 43 | |     #[structopt(long)]
[INFO] [stdout] 44 | |     i2c: Vec<String>,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `verbose`, `brightness_step`, and `transition_dur` are never read
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     brightness_step: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     transition_dur: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_step_delay` is never used
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn get_step_delay(delta_brightness: u16, delta_seconds: i64, bright_step: u16) -> time::Duration {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_brightness` is never used
[INFO] [stdout]  --> src/brightness.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Brightness {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 4 |     fn get_brightness(&mut self) -> Option<u16>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `illuminator` (bin "illuminator") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     /// Path to i2c display
[INFO] [stdout] 43 | |     #[structopt(long)]
[INFO] [stdout] 44 | |     i2c: Vec<String>,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `illuminator` (bin "illuminator" test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7e1ae0c8ecc4bdf419d6d4ba7beec198beee6254ffbc5b4798b6f962a2d89d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1ae0c8ecc4bdf419d6d4ba7beec198beee6254ffbc5b4798b6f962a2d89d81", kill_on_drop: false }`
[INFO] [stdout] 7e1ae0c8ecc4bdf419d6d4ba7beec198beee6254ffbc5b4798b6f962a2d89d81
