[INFO] updating cached repository https://github.com/kuon/clock-firmware
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f5149dbc4b12f9543b3b30300a213afc9adaf8d
[INFO] checking kuon/clock-firmware against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuon%2Fclock-firmware" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuon/clock-firmware on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kuon/clock-firmware
[INFO] finished tweaking git repo https://github.com/kuon/clock-firmware
[INFO] tweaked toml for git repo https://github.com/kuon/clock-firmware written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kuon/clock-firmware already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c3d53c7653acb8d646dcfe381d4fd5a4aadd4632dfd8b0e2becf3b3a1867120
[INFO] running `"docker" "start" "-a" "3c3d53c7653acb8d646dcfe381d4fd5a4aadd4632dfd8b0e2becf3b3a1867120"`
[INFO] [stderr]     Checking clock-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Duration`, `SystemTime`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Duration, SystemTime};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `SystemTime`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Duration, SystemTime};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Input`
[INFO] [stderr]   --> src/gpio.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Input,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MSBFirst`
[INFO] [stderr]   --> src/gpio.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     MSBFirst,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `datain`
[INFO] [stderr]   --> src/gpio.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     datain: *mut u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `digital_read`
[INFO] [stderr]    --> src/gpio.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn digital_read(&self, bit_index: usize) -> PinValue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `digital_read`
[INFO] [stderr]    --> src/gpio.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn digital_read(&self) -> PinValue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Input`
[INFO] [stderr]   --> src/gpio.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Input,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MSBFirst`
[INFO] [stderr]   --> src/gpio.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     MSBFirst,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `datain`
[INFO] [stderr]   --> src/gpio.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     datain: *mut u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `digital_read`
[INFO] [stderr]    --> src/gpio.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn digital_read(&self, bit_index: usize) -> PinValue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `digital_read`
[INFO] [stderr]    --> src/gpio.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn digital_read(&self) -> PinValue {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "3c3d53c7653acb8d646dcfe381d4fd5a4aadd4632dfd8b0e2becf3b3a1867120"`
[INFO] running `"docker" "rm" "-f" "3c3d53c7653acb8d646dcfe381d4fd5a4aadd4632dfd8b0e2becf3b3a1867120"`
[INFO] [stdout] 3c3d53c7653acb8d646dcfe381d4fd5a4aadd4632dfd8b0e2becf3b3a1867120