[INFO] cloning repository https://github.com/zaynetro/led-raspberry-pi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaynetro/led-raspberry-pi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fled-raspberry-pi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fled-raspberry-pi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a4bbffff4ef0402beadca0ad6bacaf87a1e3ba
[INFO] checking zaynetro/led-raspberry-pi-rust against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaynetro%2Fled-raspberry-pi-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaynetro/led-raspberry-pi-rust on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaynetro/led-raspberry-pi-rust
[INFO] finished tweaking git repo https://github.com/zaynetro/led-raspberry-pi-rust
[INFO] tweaked toml for git repo https://github.com/zaynetro/led-raspberry-pi-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zaynetro/led-raspberry-pi-rust 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating git repository `https://github.com/zaynetro/rust-sysfs-gpio`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58f78177f29325d5836ad3899d2ff365c2050286850e70a308bded7e0332881b
[INFO] running `Command { std: "docker" "start" "-a" "58f78177f29325d5836ad3899d2ff365c2050286850e70a308bded7e0332881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f78177f29325d5836ad3899d2ff365c2050286850e70a308bded7e0332881b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f78177f29325d5836ad3899d2ff365c2050286850e70a308bded7e0332881b", kill_on_drop: false }`
[INFO] [stdout] 58f78177f29325d5836ad3899d2ff365c2050286850e70a308bded7e0332881b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 220c8b57b4a147ed46acd44a6eb64bc848c9223304b8c37cc202fc85f9fc06a4
[INFO] running `Command { std: "docker" "start" "-a" "220c8b57b4a147ed46acd44a6eb64bc848c9223304b8c37cc202fc85f9fc06a4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking sysfs_gpio v0.5.0 (https://github.com/zaynetro/rust-sysfs-gpio?rev=2e2efd5cf5935ce4a42130b439c53f9d79027108#2e2efd5c)
[INFO] [stderr]     Checking led v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]   --> src/main.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn blink<L: LED>(mut led: L, times: i32) -> L {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times`
[INFO] [stdout]   --> src/main.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn blink<L: LED>(mut led: L, times: i32) -> L {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_times`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn blink<L: LED>(mut led: L, times: i32) -> L {
[INFO] [stdout]    |                  ----^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `on` and `off` are never used
[INFO] [stdout]  --> src/led.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait LED {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 4 |     fn on(&mut self) -> Result<(), Error>;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 5 |     fn off(&mut self) -> Result<(), Error>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn blink<L: LED>(mut led: L, times: i32) -> L {
[INFO] [stdout]    |                  ----^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `on` and `off` are never used
[INFO] [stdout]  --> src/led.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait LED {
[INFO] [stdout]   |           --- methods in this trait
[INFO] [stdout] 4 |     fn on(&mut self) -> Result<(), Error>;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 5 |     fn off(&mut self) -> Result<(), Error>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "220c8b57b4a147ed46acd44a6eb64bc848c9223304b8c37cc202fc85f9fc06a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220c8b57b4a147ed46acd44a6eb64bc848c9223304b8c37cc202fc85f9fc06a4", kill_on_drop: false }`
[INFO] [stdout] 220c8b57b4a147ed46acd44a6eb64bc848c9223304b8c37cc202fc85f9fc06a4