[INFO] cloning 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" "clone" "--bare" "https://github.com/kuon/clock-firmware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuon%2Fclock-firmware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuon%2Fclock-firmware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34f78162ad19658f0feb414d5eb72f944bc174b4
[INFO] checking kuon/clock-firmware against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuon%2Fclock-firmware" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuon/clock-firmware on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-40/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f8ba019d72c000f9401c115af6f71aca0edac295b9d53bfa90d6aa1fba9c3d
[INFO] running `Command { std: "docker" "start" "-a" "79f8ba019d72c000f9401c115af6f71aca0edac295b9d53bfa90d6aa1fba9c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f8ba019d72c000f9401c115af6f71aca0edac295b9d53bfa90d6aa1fba9c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f8ba019d72c000f9401c115af6f71aca0edac295b9d53bfa90d6aa1fba9c3d", kill_on_drop: false }`
[INFO] [stdout] 79f8ba019d72c000f9401c115af6f71aca0edac295b9d53bfa90d6aa1fba9c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3368674b5c07a65a691972f6771650ffeb430879cedb7714441da6d2280b23b
[INFO] running `Command { std: "docker" "start" "-a" "e3368674b5c07a65a691972f6771650ffeb430879cedb7714441da6d2280b23b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "e3368674b5c07a65a691972f6771650ffeb430879cedb7714441da6d2280b23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3368674b5c07a65a691972f6771650ffeb430879cedb7714441da6d2280b23b", kill_on_drop: false }`
[INFO] [stdout] e3368674b5c07a65a691972f6771650ffeb430879cedb7714441da6d2280b23b