[INFO] updating cached repository https://github.com/theSeafarer/arduino_hal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36fdeaa5b033a5431480453ce8b4ef836c1cbb34
[INFO] testing theSeafarer/arduino_hal against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheSeafarer%2Farduino_hal" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theSeafarer/arduino_hal on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theSeafarer/arduino_hal
[INFO] finished tweaking git repo https://github.com/theSeafarer/arduino_hal
[INFO] tweaked toml for git repo https://github.com/theSeafarer/arduino_hal written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/theSeafarer/arduino_hal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 613e86393fc9c2711ebe39104a17c15bd6e0aa51a68207fe813b7dcc6683d165
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "613e86393fc9c2711ebe39104a17c15bd6e0aa51a68207fe813b7dcc6683d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "613e86393fc9c2711ebe39104a17c15bd6e0aa51a68207fe813b7dcc6683d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613e86393fc9c2711ebe39104a17c15bd6e0aa51a68207fe813b7dcc6683d165", kill_on_drop: false }`
[INFO] [stdout] 613e86393fc9c2711ebe39104a17c15bd6e0aa51a68207fe813b7dcc6683d165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd62f0aba35d8854774c786977335ba9daa45a2c64122057b00118a7acde504
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ccd62f0aba35d8854774c786977335ba9daa45a2c64122057b00118a7acde504", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.1
[INFO] [stderr]    Compiling ux v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.1
[INFO] [stderr]    Compiling arduino_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::SerialError::*`
[INFO] [stdout]    --> src/serial.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         use self::SerialError::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::spi`
[INFO] [stdout]  --> src/spi.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hal::spi;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::blocking::spi as bspi`
[INFO] [stdout]  --> src/spi.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hal::blocking::spi as bspi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `read_volatile`, `write_volatile`
[INFO] [stdout]  --> src/spi.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ptr::{read_volatile, write_volatile};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::reg::*`
[INFO] [stdout]  --> src/spi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::reg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `serial::CharSizeFlag` in public interface (error E0445)
[INFO] [stdout]    --> src/serial.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<T> Serial<T> where
[INFO] [stdout] 113 | |   T: CharSizeFlag + Into<u8> {
[INFO] [stdout] 114 | |     #[inline]
[INFO] [stdout] 115 | |     pub fn new_with(ubrr: u16, parity: Parity, stop: StopBits) -> Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `written`
[INFO] [stdout]   --> src/serial.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   written: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "ccd62f0aba35d8854774c786977335ba9daa45a2c64122057b00118a7acde504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd62f0aba35d8854774c786977335ba9daa45a2c64122057b00118a7acde504", kill_on_drop: false }`
[INFO] [stdout] ccd62f0aba35d8854774c786977335ba9daa45a2c64122057b00118a7acde504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9f99bf353f1ffba46a6fc918276cadd7190218793de958afb2c82b26acf132
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c9f99bf353f1ffba46a6fc918276cadd7190218793de958afb2c82b26acf132", kill_on_drop: false }`
[INFO] [stderr]    Compiling arduino_hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::SerialError::*`
[INFO] [stdout]    --> src/serial.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         use self::SerialError::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::spi`
[INFO] [stdout]  --> src/spi.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hal::spi;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::blocking::spi as bspi`
[INFO] [stdout]  --> src/spi.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hal::blocking::spi as bspi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `read_volatile`, `write_volatile`
[INFO] [stdout]  --> src/spi.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ptr::{read_volatile, write_volatile};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::reg::*`
[INFO] [stdout]  --> src/spi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::reg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `serial::CharSizeFlag` in public interface (error E0445)
[INFO] [stdout]    --> src/serial.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<T> Serial<T> where
[INFO] [stdout] 113 | |   T: CharSizeFlag + Into<u8> {
[INFO] [stdout] 114 | |     #[inline]
[INFO] [stdout] 115 | |     pub fn new_with(ubrr: u16, parity: Parity, stop: StopBits) -> Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `written`
[INFO] [stdout]   --> src/serial.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   written: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::SerialError::*`
[INFO] [stdout]    --> src/serial.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         use self::SerialError::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::spi`
[INFO] [stdout]  --> src/spi.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hal::spi;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hal::blocking::spi as bspi`
[INFO] [stdout]  --> src/spi.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hal::blocking::spi as bspi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `read_volatile`, `write_volatile`
[INFO] [stdout]  --> src/spi.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ptr::{read_volatile, write_volatile};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::reg::*`
[INFO] [stdout]  --> src/spi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::reg::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `serial::CharSizeFlag` in public interface (error E0445)
[INFO] [stdout]    --> src/serial.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<T> Serial<T> where
[INFO] [stdout] 113 | |   T: CharSizeFlag + Into<u8> {
[INFO] [stdout] 114 | |     #[inline]
[INFO] [stdout] 115 | |     pub fn new_with(ubrr: u16, parity: Parity, stop: StopBits) -> Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `written`
[INFO] [stdout]   --> src/serial.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   written: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6c9f99bf353f1ffba46a6fc918276cadd7190218793de958afb2c82b26acf132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9f99bf353f1ffba46a6fc918276cadd7190218793de958afb2c82b26acf132", kill_on_drop: false }`
[INFO] [stdout] 6c9f99bf353f1ffba46a6fc918276cadd7190218793de958afb2c82b26acf132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c41aa85cbbc0f25118ac8046a0d1ab99ac699ee67b89dcedb3be4137595c6a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c41aa85cbbc0f25118ac8046a0d1ab99ac699ee67b89dcedb3be4137595c6a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::SerialError::*`
[INFO] [stderr]    --> src/serial.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         use self::SerialError::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hal::spi`
[INFO] [stderr]  --> src/spi.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use hal::spi;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hal::blocking::spi as bspi`
[INFO] [stderr]  --> src/spi.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hal::blocking::spi as bspi;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `read_volatile`, `write_volatile`
[INFO] [stderr]  --> src/spi.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use core::ptr::{read_volatile, write_volatile};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::reg::*`
[INFO] [stderr]  --> src/spi.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::reg::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `serial::CharSizeFlag` in public interface (error E0445)
[INFO] [stderr]    --> src/serial.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / impl<T> Serial<T> where
[INFO] [stderr] 113 | |   T: CharSizeFlag + Into<u8> {
[INFO] [stderr] 114 | |     #[inline]
[INFO] [stderr] 115 | |     pub fn new_with(ubrr: u16, parity: Parity, stop: StopBits) -> Self {
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |
[INFO] [stderr] 160 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `written`
[INFO] [stderr]   --> src/serial.rs:73:3
[INFO] [stderr]    |
[INFO] [stderr] 73 |   written: bool,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::SerialError::*`
[INFO] [stderr]    --> src/serial.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         use self::SerialError::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hal::spi`
[INFO] [stderr]  --> src/spi.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use hal::spi;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hal::blocking::spi as bspi`
[INFO] [stderr]  --> src/spi.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hal::blocking::spi as bspi;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `read_volatile`, `write_volatile`
[INFO] [stderr]  --> src/spi.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use core::ptr::{read_volatile, write_volatile};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::reg::*`
[INFO] [stderr]  --> src/spi.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::reg::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `serial::CharSizeFlag` in public interface (error E0445)
[INFO] [stderr]    --> src/serial.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / impl<T> Serial<T> where
[INFO] [stderr] 113 | |   T: CharSizeFlag + Into<u8> {
[INFO] [stderr] 114 | |     #[inline]
[INFO] [stderr] 115 | |     pub fn new_with(ubrr: u16, parity: Parity, stop: StopBits) -> Self {
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |
[INFO] [stderr] 160 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `written`
[INFO] [stderr]   --> src/serial.rs:73:3
[INFO] [stderr]    |
[INFO] [stderr] 73 |   written: bool,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arduino_hal-d89d318763608336
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arduino_hal
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c41aa85cbbc0f25118ac8046a0d1ab99ac699ee67b89dcedb3be4137595c6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c41aa85cbbc0f25118ac8046a0d1ab99ac699ee67b89dcedb3be4137595c6a2", kill_on_drop: false }`
[INFO] [stdout] 6c41aa85cbbc0f25118ac8046a0d1ab99ac699ee67b89dcedb3be4137595c6a2