[INFO] cloning repository https://github.com/vitek2k/rust-microbit-blink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitek2k/rust-microbit-blink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitek2k%2Frust-microbit-blink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitek2k%2Frust-microbit-blink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fd8a8d610b59aaadcca9094b8c6e70cdf8805de
[INFO] checking vitek2k/rust-microbit-blink/9fd8a8d610b59aaadcca9094b8c6e70cdf8805de against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitek2k%2Frust-microbit-blink" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
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[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/vitek2k/rust-microbit-blink
[INFO] finished tweaking git repo https://github.com/vitek2k/rust-microbit-blink
[INFO] tweaked toml for git repo https://github.com/vitek2k/rust-microbit-blink written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vitek2k/rust-microbit-blink on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vitek2k/rust-microbit-blink 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded microbit-v2 v0.15.1
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded microbit-common v0.15.1
[INFO] [stderr]   Downloaded nrf52833-hal v0.18.0
[INFO] [stderr]   Downloaded defmt-rtt v0.4.1
[INFO] [stderr]   Downloaded defmt-macros v0.4.0
[INFO] [stderr]   Downloaded defmt-parser v0.4.1
[INFO] [stderr]   Downloaded defmt v0.3.10
[INFO] [stderr]   Downloaded nrf-usbd v0.3.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.12.2
[INFO] [stderr]   Downloaded nrf-hal-common v0.18.0
[INFO] [stderr]   Downloaded fixed v1.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d837973c541ac9efd1aed0c51b190b48dba49766c9d2452171528e7dc4e7eea
[INFO] running `Command { std: "docker" "start" "-a" "3d837973c541ac9efd1aed0c51b190b48dba49766c9d2452171528e7dc4e7eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d837973c541ac9efd1aed0c51b190b48dba49766c9d2452171528e7dc4e7eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d837973c541ac9efd1aed0c51b190b48dba49766c9d2452171528e7dc4e7eea", kill_on_drop: false }`
[INFO] [stdout] 3d837973c541ac9efd1aed0c51b190b48dba49766c9d2452171528e7dc4e7eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe2a30ee7562cfab25f69bfe862bd5e938ac7667e88cf9c94f6361984e829e74
[INFO] running `Command { std: "docker" "start" "-a" "fe2a30ee7562cfab25f69bfe862bd5e938ac7667e88cf9c94f6361984e829e74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]    Compiling nrf-hal-common v0.18.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling defmt-macros v0.4.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling defmt v0.3.10
[INFO] [stderr]    Compiling nrf52833-hal v0.18.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]    Compiling defmt-rtt v0.4.1
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling defmt-parser v0.4.1
[INFO] [stderr]     Checking microbit-common v0.15.1
[INFO] [stderr]     Checking microbit-v2 v0.15.1
[INFO] [stderr]     Checking blink_rust_led v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pac::TIMER0`
[INFO] [stdout]  --> src/main.rs:9:70
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::{board::Board, display::blocking::Display, hal::Timer, pac::TIMER0};
[INFO] [stdout]   |                                                                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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: unused import: `pac::TIMER0`
[INFO] [stdout]  --> src/main.rs:9:70
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::{board::Board, display::blocking::Display, hal::Timer, pac::TIMER0};
[INFO] [stdout]   |                                                                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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_halt` (which `blink_rust_led` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-22485f6879fd0020.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f5e2df741b4a9820a7579f0c8eccc951706a8782/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5f172c9a1cad1328.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 `blink_rust_led` (bin "blink_rust_led") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blink_rust_led` (bin "blink_rust_led" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fe2a30ee7562cfab25f69bfe862bd5e938ac7667e88cf9c94f6361984e829e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2a30ee7562cfab25f69bfe862bd5e938ac7667e88cf9c94f6361984e829e74", kill_on_drop: false }`
[INFO] [stdout] fe2a30ee7562cfab25f69bfe862bd5e938ac7667e88cf9c94f6361984e829e74