[INFO] cloning repository https://github.com/DukeTresnor/micro_bit_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DukeTresnor/micro_bit_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDukeTresnor%2Fmicro_bit_serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDukeTresnor%2Fmicro_bit_serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8bba4c87b76dee2f12348abf1704f86c05c30b4
[INFO] testing DukeTresnor/micro_bit_serial against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDukeTresnor%2Fmicro_bit_serial" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/DukeTresnor/micro_bit_serial on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/DukeTresnor/micro_bit_serial
[INFO] finished tweaking git repo https://github.com/DukeTresnor/micro_bit_serial
[INFO] tweaked toml for git repo https://github.com/DukeTresnor/micro_bit_serial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DukeTresnor/micro_bit_serial 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-macros v0.3.4
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded microbit-v2 v0.13.0
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded microbit-common v0.13.0
[INFO] [stderr]   Downloaded fixed v1.23.1
[INFO] [stderr]   Downloaded defmt v0.3.4
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded nrf52833-hal v0.14.1
[INFO] [stderr]   Downloaded defmt-rtt v0.4.0
[INFO] [stderr]   Downloaded defmt-parser v0.3.2
[INFO] [stderr]   Downloaded lsm303agr v0.2.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7a1f900a4b9a2e513e7e4add652b9c38ab63cd1611ac89ef7c90378dc415196
[INFO] running `Command { std: "docker" "start" "-a" "d7a1f900a4b9a2e513e7e4add652b9c38ab63cd1611ac89ef7c90378dc415196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7a1f900a4b9a2e513e7e4add652b9c38ab63cd1611ac89ef7c90378dc415196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a1f900a4b9a2e513e7e4add652b9c38ab63cd1611ac89ef7c90378dc415196", kill_on_drop: false }`
[INFO] [stdout] d7a1f900a4b9a2e513e7e4add652b9c38ab63cd1611ac89ef7c90378dc415196
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa444637c445fa34dd410f0b8c1890a9ad16b2572596ad9649e9a6fe8125932
[INFO] running `Command { std: "docker" "start" "-a" "1aa444637c445fa34dd410f0b8c1890a9ad16b2572596ad9649e9a6fe8125932", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling defmt-macros v0.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling defmt v0.3.4
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lsm303agr v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rtt-target v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling defmt-parser v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling micro_bit_serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | 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/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let board = microbit::Board::take().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     i2c.write_read(ACCELEROMETER_ADDR, &[ACCELEROMETER_ID_REG], &mut acc).unwrap();
[INFO] [stdout]    |     ^^^- help: use the path separator to refer to an item: `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     i2c.write_read(MAGNETOMETER_ADDR, &[MAGNETOMETER_ID_REG], &mut mag).unwrap();
[INFO] [stdout]    |     ^^^- help: use the path separator to refer to an item: `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]    --> src/main.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut sensor = Lsm303agr::new_with_i2c(i2c);
[INFO] [stdout]     |                                              ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:165:35
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let byte = nb::block!(serial.read()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:179:24
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 write!(serial, "i2c_buffer full\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:185:24
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 write!(serial, "Exiting loop\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |         write!(serial, "x_accel, y_accel, z_accel\r\n");
[INFO] [stdout]     |                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |             write!(serial, "{}, {}, {}\r\n", measurement_data.x, measurement_data.y, measurement_data.z);
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         nb::block!(serial.flush()).unwrap();
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serial::write`
[INFO] [stdout]  --> src/main.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::blocking::{i2c, serial::write};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro_bit_serial` (bin "micro_bit_serial") due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1aa444637c445fa34dd410f0b8c1890a9ad16b2572596ad9649e9a6fe8125932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa444637c445fa34dd410f0b8c1890a9ad16b2572596ad9649e9a6fe8125932", kill_on_drop: false }`
[INFO] [stdout] 1aa444637c445fa34dd410f0b8c1890a9ad16b2572596ad9649e9a6fe8125932
[INFO] testing DukeTresnor/micro_bit_serial against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDukeTresnor%2Fmicro_bit_serial" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/DukeTresnor/micro_bit_serial on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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/DukeTresnor/micro_bit_serial
[INFO] finished tweaking git repo https://github.com/DukeTresnor/micro_bit_serial
[INFO] tweaked toml for git repo https://github.com/DukeTresnor/micro_bit_serial written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DukeTresnor/micro_bit_serial 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f334f6f3037242edb9527e85f82741072ddef54debca9615605c90d1c4f8cb6b
[INFO] running `Command { std: "docker" "start" "-a" "f334f6f3037242edb9527e85f82741072ddef54debca9615605c90d1c4f8cb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f334f6f3037242edb9527e85f82741072ddef54debca9615605c90d1c4f8cb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f334f6f3037242edb9527e85f82741072ddef54debca9615605c90d1c4f8cb6b", kill_on_drop: false }`
[INFO] [stdout] f334f6f3037242edb9527e85f82741072ddef54debca9615605c90d1c4f8cb6b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1bd48f7b5e9470b2c74ae40124536d7617d501e7ccc3d6e2e2d5536574a2d62
[INFO] running `Command { std: "docker" "start" "-a" "a1bd48f7b5e9470b2c74ae40124536d7617d501e7ccc3d6e2e2d5536574a2d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling defmt v0.3.4
[INFO] [stderr]    Compiling defmt-macros v0.3.4
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lsm303agr v0.2.2
[INFO] [stderr]    Compiling rtt-target v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling defmt-parser v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling micro_bit_serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | 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/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let board = microbit::Board::take().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     i2c.write_read(ACCELEROMETER_ADDR, &[ACCELEROMETER_ID_REG], &mut acc).unwrap();
[INFO] [stdout]    |     ^^^- help: use the path separator to refer to an item: `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]   --> src/main.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     i2c.write_read(MAGNETOMETER_ADDR, &[MAGNETOMETER_ID_REG], &mut mag).unwrap();
[INFO] [stdout]    |     ^^^- help: use the path separator to refer to an item: `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found module `i2c`
[INFO] [stdout]    --> src/main.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut sensor = Lsm303agr::new_with_i2c(i2c);
[INFO] [stdout]     |                                              ^^^ not a value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:165:35
[INFO] [stdout]     |
[INFO] [stdout] 165 |             let byte = nb::block!(serial.read()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:179:24
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 write!(serial, "i2c_buffer full\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:185:24
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 write!(serial, "Exiting loop\r\n").unwrap();
[INFO] [stdout]     |                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |         write!(serial, "x_accel, y_accel, z_accel\r\n");
[INFO] [stdout]     |                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |             write!(serial, "{}, {}, {}\r\n", measurement_data.x, measurement_data.y, measurement_data.z);
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         nb::block!(serial.flush()).unwrap();
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serial::write`
[INFO] [stdout]  --> src/main.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embedded_hal::blocking::{i2c, serial::write};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core::fmt::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro_bit_serial` (bin "micro_bit_serial") due to 13 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a1bd48f7b5e9470b2c74ae40124536d7617d501e7ccc3d6e2e2d5536574a2d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bd48f7b5e9470b2c74ae40124536d7617d501e7ccc3d6e2e2d5536574a2d62", kill_on_drop: false }`
[INFO] [stdout] a1bd48f7b5e9470b2c74ae40124536d7617d501e7ccc3d6e2e2d5536574a2d62
