[INFO] cloning repository https://github.com/elfenlaid/microbit-v2-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elfenlaid/microbit-v2-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfenlaid%2Fmicrobit-v2-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfenlaid%2Fmicrobit-v2-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b0b2c1f7cd3e81e80d29cafda986733c260364
[INFO] checking elfenlaid/microbit-v2-template against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfenlaid%2Fmicrobit-v2-template" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/elfenlaid/microbit-v2-template
[INFO] finished tweaking git repo https://github.com/elfenlaid/microbit-v2-template
[INFO] tweaked toml for git repo https://github.com/elfenlaid/microbit-v2-template written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elfenlaid/microbit-v2-template on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elfenlaid/microbit-v2-template 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded microbit-common v0.15.1
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded microbit-v2 v0.15.1
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.3
[INFO] [stderr]   Downloaded rtt-target v0.5.0
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded nrf-usbd v0.3.0
[INFO] [stderr]   Downloaded nrf52833-hal v0.18.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.18.0
[INFO] [stderr]   Downloaded bytemuck v1.17.0
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded fixed v1.28.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9
[INFO] running `Command { std: "docker" "start" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]     Checking bytemuck v1.17.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling nrf52833-hal v0.18.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling micro-v2-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rtt-target v0.5.0
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking panic-rtt-target v0.1.3
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking microbit-common v0.15.1
[INFO] [stderr]     Checking microbit-v2 v0.15.1
[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] 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_rtt_target` (which `micro_v2_template` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/build/panic-rtt-target/b3e8d2ac1899ec60/out/libpanic_rtt_target-b3e8d2ac1899ec60.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/49a6044d37d694890450f52ceaceb66277a36b1e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-16de4ef7b3d1c617.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro-v2-template` (bin "micro-v2-template" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `micro-v2-template` (bin "micro-v2-template") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9", kill_on_drop: false }`
[INFO] [stdout] fcda55a421995568dc616caa3bfcfe12b0f2a2b408dd1680de7637f93ccb08f9
