[INFO] updating cached repository https://github.com/kuon/clock-firmware
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5149dbc4b12f9543b3b30300a213afc9adaf8d
[INFO] checking kuon/clock-firmware against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuon%2Fclock-firmware" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[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 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef9bc8272a5dc668fdee7e239cc173de110f2701ca8fa1e84a1576d27c22c5b2
[INFO] running `Command { std: "docker" "start" "-a" "ef9bc8272a5dc668fdee7e239cc173de110f2701ca8fa1e84a1576d27c22c5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9bc8272a5dc668fdee7e239cc173de110f2701ca8fa1e84a1576d27c22c5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9bc8272a5dc668fdee7e239cc173de110f2701ca8fa1e84a1576d27c22c5b2", kill_on_drop: false }`
[INFO] [stdout] ef9bc8272a5dc668fdee7e239cc173de110f2701ca8fa1e84a1576d27c22c5b2
[INFO] running `Command { std: "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2de136e8eab374afa9428fc6f174fd6ca29dba12ea3052ad27121a984dfd92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de2de136e8eab374afa9428fc6f174fd6ca29dba12ea3052ad27121a984dfd92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking clock-firmware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::{Duration, SystemTime};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/gpio.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Input,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MSBFirst`
[INFO] [stdout]   --> src/gpio.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     MSBFirst,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `datain`
[INFO] [stdout]   --> src/gpio.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     datain: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digital_read`
[INFO] [stdout]    --> src/gpio.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn digital_read(&self, bit_index: usize) -> PinValue {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digital_read`
[INFO] [stdout]    --> src/gpio.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn digital_read(&self) -> PinValue {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/gpio.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Input,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MSBFirst`
[INFO] [stdout]   --> src/gpio.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     MSBFirst,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `datain`
[INFO] [stdout]   --> src/gpio.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     datain: *mut u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digital_read`
[INFO] [stdout]    --> src/gpio.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn digital_read(&self, bit_index: usize) -> PinValue {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `digital_read`
[INFO] [stdout]    --> src/gpio.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn digital_read(&self) -> PinValue {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "de2de136e8eab374afa9428fc6f174fd6ca29dba12ea3052ad27121a984dfd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2de136e8eab374afa9428fc6f174fd6ca29dba12ea3052ad27121a984dfd92", kill_on_drop: false }`
[INFO] [stdout] de2de136e8eab374afa9428fc6f174fd6ca29dba12ea3052ad27121a984dfd92