[INFO] cloning repository https://github.com/segfo/microbit-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfo/microbit-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fmicrobit-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fmicrobit-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88ed03d252a3728643ddd127526b3864e59b4d4a
[INFO] checking segfo/microbit-test/88ed03d252a3728643ddd127526b3864e59b4d4a against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fmicrobit-test" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/segfo/microbit-test
[INFO] finished tweaking git repo https://github.com/segfo/microbit-test
[INFO] tweaked toml for git repo https://github.com/segfo/microbit-test written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/segfo/microbit-test on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/segfo/microbit-test 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded microbit v0.6.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.5
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.2
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.7
[INFO] [stderr]   Downloaded cortex-m v0.5.8
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded nrf51-hal v0.5.5
[INFO] [stderr]   Downloaded nrf51 v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73385643bece579618ce4f98b6c3b7e0d6d21afa9fb65ea5852237bfeaf9f483
[INFO] running `Command { std: "docker" "start" "-a" "73385643bece579618ce4f98b6c3b7e0d6d21afa9fb65ea5852237bfeaf9f483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73385643bece579618ce4f98b6c3b7e0d6d21afa9fb65ea5852237bfeaf9f483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73385643bece579618ce4f98b6c3b7e0d6d21afa9fb65ea5852237bfeaf9f483", kill_on_drop: false }`
[INFO] [stdout] 73385643bece579618ce4f98b6c3b7e0d6d21afa9fb65ea5852237bfeaf9f483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e775f90d0a06423c38865450820ceda910a6826692d4f88937daec081d6fd0
[INFO] running `Command { std: "docker" "start" "-a" "84e775f90d0a06423c38865450820ceda910a6826692d4f88937daec081d6fd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling nrf51 v0.5.2
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling microbit v0.6.3
[INFO] [stderr]    Compiling micro-bit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking nrf51-hal v0.5.5
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern{
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` 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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut gpio = p.GPIO.split();
[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] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/main.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let (mut tx, rx) = serial::Serial::uart0(p.UART0, tx, rx,BAUD9600 ).split();
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern{
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 36 | |     loop {
[INFO] [stdout] 37 | |         unsafe{wait_for_interrupt();}
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/035b01b794602d5861daa43ac792f372f8981ed7/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d21d73a0ded86791.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`micro_bit`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro-bit` (bin "micro-bit") due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro-bit` (bin "micro-bit" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "84e775f90d0a06423c38865450820ceda910a6826692d4f88937daec081d6fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e775f90d0a06423c38865450820ceda910a6826692d4f88937daec081d6fd0", kill_on_drop: false }`
[INFO] [stdout] 84e775f90d0a06423c38865450820ceda910a6826692d4f88937daec081d6fd0
