[INFO] cloning repository https://github.com/GregWoods/stm32f4-04-neopixel-spi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GregWoods/stm32f4-04-neopixel-spi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregWoods%2Fstm32f4-04-neopixel-spi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregWoods%2Fstm32f4-04-neopixel-spi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ed7ac7dba8a38630e41f50084edbb575ad2f47b
[INFO] checking GregWoods/stm32f4-04-neopixel-spi against try#0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGregWoods%2Fstm32f4-04-neopixel-spi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/GregWoods/stm32f4-04-neopixel-spi
[INFO] finished tweaking git repo https://github.com/GregWoods/stm32f4-04-neopixel-spi
[INFO] tweaked toml for git repo https://github.com/GregWoods/stm32f4-04-neopixel-spi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GregWoods/stm32f4-04-neopixel-spi on toolchain 0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GregWoods/stm32f4-04-neopixel-spi 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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.17
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded ws2812-spi v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99cffe5e096cdae608bae61bccf593f00de7817315f549145b574a7d2e4455eb
[INFO] running `Command { std: "docker" "start" "-a" "99cffe5e096cdae608bae61bccf593f00de7817315f549145b574a7d2e4455eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99cffe5e096cdae608bae61bccf593f00de7817315f549145b574a7d2e4455eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cffe5e096cdae608bae61bccf593f00de7817315f549145b574a7d2e4455eb", kill_on_drop: false }`
[INFO] [stdout] 99cffe5e096cdae608bae61bccf593f00de7817315f549145b574a7d2e4455eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 808cfe831fcb03ba3e943b76543579eb3a87267025368fe3e7349e5994b8458c
[INFO] running `Command { std: "docker" "start" "-a" "808cfe831fcb03ba3e943b76543579eb3a87267025368fe3e7349e5994b8458c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking rgb v0.8.17
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking smart-leds-trait v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking ws2812-spi v0.3.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.1 (https://github.com/GregWoods/stm32f4xx-hal#0adcffe3)
[INFO] [stderr]     Checking stm32f4-04-neopixel-spi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nb::block`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nb::block;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MODE`
[INFO] [stdout]   --> src/main.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 | use ws2812_spi::{Ws2812, MODE};
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut spi = Spi::spi1(
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4-04-neopixel-spi` (bin "stm32f4-04-neopixel-spi") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `nb::block`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use nb::block;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MODE`
[INFO] [stdout]   --> src/main.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 | use ws2812_spi::{Ws2812, MODE};
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_semihosting` (which `stm32f4_04_neopixel_spi` depends on)
[INFO] [stdout]   = note: first definition in `panic_semihosting` loaded from /opt/rustwide/target/debug/deps/libpanic_semihosting-d0eb5f05d7170bf6.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2bfe6d313f1a27d4.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4-04-neopixel-spi` (bin "stm32f4-04-neopixel-spi" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "808cfe831fcb03ba3e943b76543579eb3a87267025368fe3e7349e5994b8458c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808cfe831fcb03ba3e943b76543579eb3a87267025368fe3e7349e5994b8458c", kill_on_drop: false }`
[INFO] [stdout] 808cfe831fcb03ba3e943b76543579eb3a87267025368fe3e7349e5994b8458c