[INFO] cloning repository https://github.com/MoeAl-Ani/rasberrypi-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoeAl-Ani/rasberrypi-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoeAl-Ani%2Frasberrypi-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoeAl-Ani%2Frasberrypi-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d92682188a4c36fb5f9efdbb90a7e08d34624fb
[INFO] checking MoeAl-Ani/rasberrypi-playground 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%2FMoeAl-Ani%2Frasberrypi-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/MoeAl-Ani/rasberrypi-playground
[INFO] finished tweaking git repo https://github.com/MoeAl-Ani/rasberrypi-playground
[INFO] tweaked toml for git repo https://github.com/MoeAl-Ani/rasberrypi-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MoeAl-Ani/rasberrypi-playground 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/MoeAl-Ani/rasberrypi-playground 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking MoeAl-Ani/rasberrypi-playground 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%2FMoeAl-Ani%2Frasberrypi-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/MoeAl-Ani/rasberrypi-playground
[INFO] finished tweaking git repo https://github.com/MoeAl-Ani/rasberrypi-playground
[INFO] tweaked toml for git repo https://github.com/MoeAl-Ani/rasberrypi-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MoeAl-Ani/rasberrypi-playground 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/MoeAl-Ani/rasberrypi-playground 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] [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be8f94a960e65c7ae6f7755a0027f386649831c1df888ce905f6024b36fb7a0a
[INFO] running `Command { std: "docker" "start" "-a" "be8f94a960e65c7ae6f7755a0027f386649831c1df888ce905f6024b36fb7a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be8f94a960e65c7ae6f7755a0027f386649831c1df888ce905f6024b36fb7a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8f94a960e65c7ae6f7755a0027f386649831c1df888ce905f6024b36fb7a0a", kill_on_drop: false }`
[INFO] [stdout] be8f94a960e65c7ae6f7755a0027f386649831c1df888ce905f6024b36fb7a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ebf2960cbd747694474aec0f7f4f042cb9a86740f3048bae211e08b2ad20c7fc
[INFO] running `Command { std: "docker" "start" "-a" "ebf2960cbd747694474aec0f7f4f042cb9a86740f3048bae211e08b2ad20c7fc", kill_on_drop: false }`
[INFO] [stderr]     Checking rasberrypi-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     unsafe {
[INFO] [stdout]   |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `humidity`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let humidity = 0x5f;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_humidity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF` is never used
[INFO] [stdout]  --> src/led/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OFF: [u8; 128] = [0x00; 128];
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALLOWEEN` is never used
[INFO] [stdout]  --> src/led/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const HALLOWEEN: [u8; 128] = [
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHRISTMAS_TREE` is never used
[INFO] [stdout]   --> src/led/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const CHRISTMAS_TREE: [u8; 128] = [
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_SMALL` is never used
[INFO] [stdout]   --> src/led/mod.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const YELLOW_SMALL: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_MED` is never used
[INFO] [stdout]   --> src/led/mod.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | const YELLOW_MED: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_LARGE` is never used
[INFO] [stdout]   --> src/led/mod.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | const YELLOW_LARGE: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_XL` is never used
[INFO] [stdout]   --> src/led/mod.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const YELLOW_XL: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     unsafe {
[INFO] [stdout]   |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `humidity`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let humidity = 0x5f;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_humidity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFF` is never used
[INFO] [stdout]  --> src/led/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OFF: [u8; 128] = [0x00; 128];
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALLOWEEN` is never used
[INFO] [stdout]  --> src/led/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const HALLOWEEN: [u8; 128] = [
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHRISTMAS_TREE` is never used
[INFO] [stdout]   --> src/led/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const CHRISTMAS_TREE: [u8; 128] = [
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_SMALL` is never used
[INFO] [stdout]   --> src/led/mod.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const YELLOW_SMALL: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_MED` is never used
[INFO] [stdout]   --> src/led/mod.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | const YELLOW_MED: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_LARGE` is never used
[INFO] [stdout]   --> src/led/mod.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 | const YELLOW_LARGE: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `YELLOW_XL` is never used
[INFO] [stdout]   --> src/led/mod.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const YELLOW_XL: [u8; 128] = [
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ebf2960cbd747694474aec0f7f4f042cb9a86740f3048bae211e08b2ad20c7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf2960cbd747694474aec0f7f4f042cb9a86740f3048bae211e08b2ad20c7fc", kill_on_drop: false }`
[INFO] [stdout] ebf2960cbd747694474aec0f7f4f042cb9a86740f3048bae211e08b2ad20c7fc
