[INFO] cloning repository https://github.com/mgfebrian/microbit-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgfebrian/microbit-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fmicrobit-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fmicrobit-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cee41b1ebd8d55b8c42994e9167754a2dd0a4ac
[INFO] checking mgfebrian/microbit-practice against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fmicrobit-practice" "/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.toml
[INFO] started tweaking git repo https://github.com/mgfebrian/microbit-practice
[INFO] finished tweaking git repo https://github.com/mgfebrian/microbit-practice
[INFO] tweaked toml for git repo https://github.com/mgfebrian/microbit-practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mgfebrian/microbit-practice on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mgfebrian/microbit-practice 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" "+5b237c915528dadada3f674b90c7c80368b632be" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mgfebrian/microbit-practice against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fmicrobit-practice" "/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.toml
[INFO] started tweaking git repo https://github.com/mgfebrian/microbit-practice
[INFO] finished tweaking git repo https://github.com/mgfebrian/microbit-practice
[INFO] tweaked toml for git repo https://github.com/mgfebrian/microbit-practice written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mgfebrian/microbit-practice on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mgfebrian/microbit-practice 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" "+5b237c915528dadada3f674b90c7c80368b632be" "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 panic-rtt-target v0.2.0
[INFO] [stderr]   Downloaded microbit-v2 v0.16.0
[INFO] [stderr]   Downloaded rtt-target v0.6.2
[INFO] [stderr]   Downloaded microbit-common v0.16.0
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.6
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.6
[INFO] [stderr]   Downloaded nrf52833-hal v0.19.0
[INFO] [stderr]   Downloaded nrf-usbd v0.3.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.19.0
[INFO] [stderr]   Downloaded fixed v1.31.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417
[INFO] running `Command { std: "docker" "start" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417", 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" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417", 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" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling portable-atomic v1.14.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling fixed v1.31.0
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]    Compiling nrf-hal-common v0.19.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling zerocopy-derive v0.8.55
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.6
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking embedded-io v0.7.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling nrf52833-hal v0.19.0
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling microbit-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking rtt-target v0.6.2
[INFO] [stderr]     Checking panic-rtt-target v0.2.0
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking microbit-common v0.16.0
[INFO] [stderr]     Checking microbit-v2 v0.16.0
[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 `microbit-practice` (bin "microbit-practice") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `microbit_practice` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/build/panic-rtt-target/d90f2e483d6df9a2/out/libpanic_rtt_target-d90f2e483d6df9a2.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/5b237c915528dadada3f674b90c7c80368b632be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-20a66e70cfa492f6.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 `microbit-practice` (bin "microbit-practice" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417", kill_on_drop: false }`
[INFO] [stdout] 408ca32e4874afa7870682bf1c22707700cc01c310593d98e9daebadef3e8417
