[INFO] cloning repository https://github.com/alelouis/nrf-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alelouis/nrf-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fnrf-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fnrf-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b1111b65790d503b20315450045f9095ec98a3b
[INFO] checking alelouis/nrf-play against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falelouis%2Fnrf-play" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alelouis/nrf-play on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/alelouis/nrf-play
[INFO] finished tweaking git repo https://github.com/alelouis/nrf-play
[INFO] tweaked toml for git repo https://github.com/alelouis/nrf-play written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alelouis/nrf-play 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b57c82d3dfe22d6da05f9a143bfcd3215ce966d3791df914ff75527c07e6dd5
[INFO] running `Command { std: "docker" "start" "-a" "1b57c82d3dfe22d6da05f9a143bfcd3215ce966d3791df914ff75527c07e6dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b57c82d3dfe22d6da05f9a143bfcd3215ce966d3791df914ff75527c07e6dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b57c82d3dfe22d6da05f9a143bfcd3215ce966d3791df914ff75527c07e6dd5", kill_on_drop: false }`
[INFO] [stdout] 1b57c82d3dfe22d6da05f9a143bfcd3215ce966d3791df914ff75527c07e6dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e938a9190de55e8106222c44e46e8e91b452c527a69983922ec52f4b70359b
[INFO] running `Command { std: "docker" "start" "-a" "f7e938a9190de55e8106222c44e46e8e91b452c527a69983922ec52f4b70359b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking mcp4725 v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking nrf-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_output.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::board::Board;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_output.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::gpio::Level;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_output.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::prelude::OutputPin;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_output.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::board::Board;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_output.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::gpio::Level;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_output.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::prelude::OutputPin;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_analog_to_uart.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use microbit::{
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/serial_setup.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use microbit::hal::uarte::{Error, Instance, Uarte, UarteRx, UarteTx};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_analog_to_uart.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use microbit::hal::{Saadc, Timer};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_analog_to_uart.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::hal::saadc::SaadcConfig;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_analog_to_uart.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::pac::Peripherals;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_analog_to_uart.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::gpio;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_analog_to_uart.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use microbit::hal::gpio::{p0, p1, Floating, Input, Output, Pin, PushPull, Level};
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::hal::Saadc`, `microbit::hal::Timer`, `microbit::hal::saadc::SaadcConfig`, `microbit::hal::pac::Peripherals`, `microbit::hal::gpio`, `microbit::hal::uarte`, `microbit::hal::uarte::Baudrate`, `microbit::hal::uarte::Parity`, `microbit::hal::gpio::p0`, `microbit::hal::gpio::p1`, `microbit::hal::gpio::Floating`, `microbit::hal::gpio::Input`, `microbit::hal::gpio::Output`, `microbit::hal::gpio::Pin`, `microbit::hal::gpio::PushPull`, `microbit::hal::gpio::Level`
[INFO] [stdout]   --> src/bin/gpio_analog_to_uart.rs:8:21
[INFO] [stdout]    |
[INFO] [stdout] 8  | use microbit::hal::{Saadc, Timer};
[INFO] [stdout]    |                     ^^^^^  ^^^^^
[INFO] [stdout] 9  | use microbit::hal::saadc::SaadcConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use microbit::hal::pac::Peripherals;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 | use microbit::hal::gpio;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     hal::uarte,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     hal::uarte::{Baudrate, Parity},
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 | use microbit::hal::gpio::{p0, p1, Floating, Input, Output, Pin, PushPull, Level};
[INFO] [stdout]    |                           ^^  ^^  ^^^^^^^^  ^^^^^  ^^^^^^  ^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_output") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/serial_setup.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use microbit::hal::uarte::{Error, Instance, Uarte, UarteRx, UarteTx};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_read_analog.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_read_analog.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::hal::pac::Peripherals;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_read_analog.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::{Saadc, saadc::SaadcConfig, gpio};
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/i2c_mcp_low.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::hal::pac::Peripherals`, `microbit::hal::Saadc`, `microbit::hal::saadc::SaadcConfig`, `microbit::hal::gpio`
[INFO] [stdout]   --> src/bin/gpio_read_analog.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use microbit::hal::pac::Peripherals;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use microbit::hal::{Saadc, saadc::SaadcConfig, gpio};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_vario_blink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::hal::pac::Peripherals;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::{Saadc, Timer, saadc::SaadcConfig, gpio, gpio::Level};
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::hal::pac::Peripherals`, `microbit::hal::Saadc`, `microbit::hal::Timer`, `microbit::hal::saadc::SaadcConfig`, `microbit::hal::gpio`, `microbit::hal::gpio::Level`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use microbit::hal::pac::Peripherals;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use microbit::hal::{Saadc, Timer, saadc::SaadcConfig, gpio, gpio::Level};
[INFO] [stdout]    |                     ^^^^^  ^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rprintln`
[INFO] [stdout]  --> src/bin/gpio_vario_blink.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rtt_target::{rprintln, rtt_init_print};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use microbit::hal::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/bin/gpio_vario_blink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use microbit::hal::pac::Peripherals;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use microbit::hal::{Saadc, Timer, saadc::SaadcConfig, gpio, gpio::Level};
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::hal::pac::Peripherals`, `microbit::hal::Saadc`, `microbit::hal::Timer`, `microbit::hal::saadc::SaadcConfig`, `microbit::hal::gpio`, `microbit::hal::gpio::Level`
[INFO] [stdout]   --> src/bin/gpio_vario_blink.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use microbit::hal::pac::Peripherals;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 | use microbit::hal::{Saadc, Timer, saadc::SaadcConfig, gpio, gpio::Level};
[INFO] [stdout]    |                     ^^^^^  ^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rprintln`
[INFO] [stdout]  --> src/bin/gpio_vario_blink.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rtt_target::{rprintln, rtt_init_print};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[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 `gpio_output` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_target-197cf648810d2fdc.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a9ba95b1228749.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_read_analog") due to 6 previous errors
[INFO] [stderr] error: could not compile `nrf-play` (bin "serial_setup" test) due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/bin/i2c_mcp_low.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let board = microbit::Board::take().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `twim`
[INFO] [stdout]   --> src/bin/i2c_mcp_low.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut i2c = { twim::Twim::new(board.TWIM0, board.i2c_external.into(), FREQUENCY_A::K100) };
[INFO] [stdout]    |                     ^^^^ use of undeclared crate or module `twim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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 `gpio_vario_blink` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_target-197cf648810d2fdc.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a9ba95b1228749.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mcp4725::*`
[INFO] [stdout]  --> src/bin/i2c_mcp_low.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mcp4725::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[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 `gpio_analog_to_uart` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_target-197cf648810d2fdc.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a9ba95b1228749.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_vario_blink") due to 6 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0152, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library
[INFO] [stdout]   = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FREQUENCY_A`
[INFO] [stdout]   --> src/bin/i2c_mcp_low.rs:32:77
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut i2c = { twim::Twim::new(board.TWIM0, board.i2c_external.into(), FREQUENCY_A::K100) };
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^ use of undeclared type `FREQUENCY_A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_output" test) due to 5 previous errors
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_analog_to_uart" test) due to 10 previous errors
[INFO] [stderr] error: could not compile `nrf-play` (bin "gpio_vario_blink" test) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `nrf-play` (bin "i2c_mcp_low") due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f7e938a9190de55e8106222c44e46e8e91b452c527a69983922ec52f4b70359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e938a9190de55e8106222c44e46e8e91b452c527a69983922ec52f4b70359b", kill_on_drop: false }`
[INFO] [stdout] f7e938a9190de55e8106222c44e46e8e91b452c527a69983922ec52f4b70359b
