[INFO] cloning repository https://github.com/mbardwell/rust-nrf-blinky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbardwell/rust-nrf-blinky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbardwell%2Frust-nrf-blinky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbardwell%2Frust-nrf-blinky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d95954d099272b94398efbe4cd9f614e629e5cc6
[INFO] checking mbardwell/rust-nrf-blinky against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbardwell%2Frust-nrf-blinky" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mbardwell/rust-nrf-blinky
[INFO] finished tweaking git repo https://github.com/mbardwell/rust-nrf-blinky
[INFO] tweaked toml for git repo https://github.com/mbardwell/rust-nrf-blinky written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbardwell/rust-nrf-blinky on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbardwell/rust-nrf-blinky 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fc3152704713339d6805e9b447ef1498a46176fcd676c0fcd34f274f65ef4de
[INFO] running `Command { std: "docker" "start" "-a" "1fc3152704713339d6805e9b447ef1498a46176fcd676c0fcd34f274f65ef4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc3152704713339d6805e9b447ef1498a46176fcd676c0fcd34f274f65ef4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc3152704713339d6805e9b447ef1498a46176fcd676c0fcd34f274f65ef4de", kill_on_drop: false }`
[INFO] [stdout] 1fc3152704713339d6805e9b447ef1498a46176fcd676c0fcd34f274f65ef4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85c5850d27a128549cebb89b78ddc8b63b8a6436020de1d1c3abb2da20027c2d
[INFO] running `Command { std: "docker" "start" "-a" "85c5850d27a128549cebb89b78ddc8b63b8a6436020de1d1c3abb2da20027c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling defmt v0.3.5
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling defmt-macros v0.3.6
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-rc.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking embedded-hal-async v1.0.0-rc.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling embassy-sync v0.3.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling nrf52832-pac v0.12.2
[INFO] [stderr]    Compiling embassy-hal-internal v0.1.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embedded-storage v0.3.0
[INFO] [stderr]    Compiling fixed v1.23.1
[INFO] [stderr]     Checking embedded-storage-async v0.4.0
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]    Compiling defmt-rtt v0.3.2
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling embassy-executor v0.3.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking embedded-io v0.5.0
[INFO] [stderr]     Checking embassy-futures v0.1.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embedded-io-async v0.5.0
[INFO] [stderr]     Checking critical-section v0.2.8
[INFO] [stderr]     Checking static_cell v1.2.0
[INFO] [stderr]    Compiling rust-nrf-blinky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling defmt-parser v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling embassy-macros v0.2.1 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embassy-time v0.1.3 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embassy-usb-driver v0.1.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embassy-embedded-hal v0.1.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stderr]     Checking embassy-nrf v0.1.0 (https://github.com/embassy-rs/embassy#7c77d2bd)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[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] [stderr] error: could not compile `rust-nrf-blinky` (example "blinky") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "85c5850d27a128549cebb89b78ddc8b63b8a6436020de1d1c3abb2da20027c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c5850d27a128549cebb89b78ddc8b63b8a6436020de1d1c3abb2da20027c2d", kill_on_drop: false }`
[INFO] [stdout] 85c5850d27a128549cebb89b78ddc8b63b8a6436020de1d1c3abb2da20027c2d