[INFO] cloning repository https://github.com/connctd/led-pill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connctd/led-pill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92edf90334ae3a69d186423b6e525c2a5ff5150b
[INFO] checking connctd/led-pill/92edf90334ae3a69d186423b6e525c2a5ff5150b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connctd/led-pill on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/connctd/led-pill
[INFO] finished tweaking git repo https://github.com/connctd/led-pill
[INFO] tweaked toml for git repo https://github.com/connctd/led-pill written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/connctd/led-pill 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/smart-leds`
[INFO] [stderr]     Updating git repository `https://github.com/smart-leds-rs/ws2812-spi-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.3.0
[INFO] [stderr]   Downloaded aligned v0.3.1
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded owned-singleton-macros v0.1.0
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded owned-singleton v0.1.0
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.4.3
[INFO] [stderr]   Downloaded heapless v0.4.4
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.4.3
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.10
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.4
[INFO] [stderr]   Downloaded stm32-usbd v0.3.1
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.2
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded stm32f1 v0.7.1
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.0
[INFO] [stderr]   Downloaded usb-device v0.2.2
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded as-slice v0.1.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.5
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded usbd-serial v0.1.0
[INFO] [stderr]   Downloaded stm32f103xx v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9316f43c0d733670128025aa123b59cc6967b0b5d77c53f38ccac76c644e4e1
[INFO] running `Command { std: "docker" "start" "-a" "a9316f43c0d733670128025aa123b59cc6967b0b5d77c53f38ccac76c644e4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9316f43c0d733670128025aa123b59cc6967b0b5d77c53f38ccac76c644e4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9316f43c0d733670128025aa123b59cc6967b0b5d77c53f38ccac76c644e4e1", kill_on_drop: false }`
[INFO] [stdout] a9316f43c0d733670128025aa123b59cc6967b0b5d77c53f38ccac76c644e4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64ba5767d0bcbb55557a4c49dc5f24708457de4ad960ef41b82b848a3d706a03
[INFO] running `Command { std: "docker" "start" "-a" "64ba5767d0bcbb55557a4c49dc5f24708457de4ad960ef41b82b848a3d706a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling stm32f1 v0.7.1
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking usb-device v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling stm32f103xx v0.11.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking smart-leds-trait v0.2.0
[INFO] [stderr]     Checking ws2812-spi v0.2.0 (https://github.com/smart-leds-rs/ws2812-spi-rs#479b0e88)
[INFO] [stderr]     Checking smart-leds v0.3.0 (https://github.com/smart-leds-rs/smart-leds#eeaad820)
[INFO] [stderr]     Checking usbd-serial v0.1.0
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking panic-semihosting v0.5.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.4.3
[INFO] [stderr]     Checking owned-singleton v0.1.0
[INFO] [stderr]     Checking stm32f1xx-hal v0.3.0
[INFO] [stderr]     Checking stm32-usbd v0.3.1
[INFO] [stderr]     Checking led-pill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `hal::prelude::_embedded_hal_digital_OutputPin::set_low`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/main.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |         usb_dp.set_low();
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut spi = Spi::spi1(
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut leds = Ws2812::new(spi);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `led-pill` (bin "led-pill") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "64ba5767d0bcbb55557a4c49dc5f24708457de4ad960ef41b82b848a3d706a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ba5767d0bcbb55557a4c49dc5f24708457de4ad960ef41b82b848a3d706a03", kill_on_drop: false }`
[INFO] [stdout] 64ba5767d0bcbb55557a4c49dc5f24708457de4ad960ef41b82b848a3d706a03