[INFO] cloning repository https://github.com/wtzhang23/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wtzhang23/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtzhang23%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtzhang23%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 502bf5b755930b6273bceb7f7dd02b78347afea7
[INFO] checking wtzhang23/os against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwtzhang23%2Fos" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wtzhang23/os on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wtzhang23/os
[INFO] finished tweaking git repo https://github.com/wtzhang23/os
[INFO] tweaked toml for git repo https://github.com/wtzhang23/os written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wtzhang23/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebc2fbc7154fe501ea07eef9a8071f1d31e77816b4e7dfca0a9bfe1b1559081
[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" "bebc2fbc7154fe501ea07eef9a8071f1d31e77816b4e7dfca0a9bfe1b1559081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebc2fbc7154fe501ea07eef9a8071f1d31e77816b4e7dfca0a9bfe1b1559081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebc2fbc7154fe501ea07eef9a8071f1d31e77816b4e7dfca0a9bfe1b1559081", kill_on_drop: false }`
[INFO] [stdout] bebc2fbc7154fe501ea07eef9a8071f1d31e77816b4e7dfca0a9bfe1b1559081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7473be66f2a7d2f3bf5c95d16fb18b7b02093d46f9d829214dbabc6dba93913d
[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" "7473be66f2a7d2f3bf5c95d16fb18b7b02093d46f9d829214dbabc6dba93913d", kill_on_drop: false }`
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::sync::Mutex`
[INFO] [stdout]  --> src/gpio/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sync::Mutex`
[INFO] [stdout]  --> src/gpio/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use core::mem;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic::PanicInfo`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use core::panic::PanicInfo;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spin`
[INFO] [stdout]   --> src/machine/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn spin(cycles: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / bitfielded!(GPO<u32> {
[INFO] [stdout] 52 | |     CLR: 32, GPFSETBlock;
[INFO] [stdout] 53 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GPIOInner`
[INFO] [stdout]   --> src/gpio/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct GPIOInner {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GPIO`
[INFO] [stdout]   --> src/gpio/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct GPIO {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/console/interface.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/console/interface.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `OUTPUT`
[INFO] [stdout]   --> src/console/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | static OUTPUT: interface::QEMUOutput = interface::QEMUOutput::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `console`
[INFO] [stdout]   --> src/console/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn console() -> &'static impl Write {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wait_for_event`
[INFO] [stdout]  --> src/machine/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn wait_for_event() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wait_forever`
[INFO] [stdout]   --> src/machine/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn wait_forever() -> ! {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cpu_id`
[INFO] [stdout]   --> src/machine/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_cpu_id() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spin`
[INFO] [stdout]   --> src/machine/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn spin(cycles: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / bitfielded!(GPFSEL<u32>{
[INFO] [stdout] 37 | |     FSEL0: 3, GPFSELField;
[INFO] [stdout] 38 | |     FSEL1: 3, GPFSELField;
[INFO] [stdout] 39 | |     FSEL2: 3, GPFSELField;
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     RESERVED: 2;
[INFO] [stdout] 48 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adopt`
[INFO] [stdout]   --> src/bitfields/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |               pub fn adopt(val: &'a mut $type) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/gpio/mod.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / bitfielded!(GPO<u32> {
[INFO] [stdout] 52 | |     CLR: 32, GPFSETBlock;
[INFO] [stdout] 53 | | });
[INFO] [stdout]    | |___- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GPIOInner`
[INFO] [stdout]   --> src/gpio/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct GPIOInner {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GPIO`
[INFO] [stdout]   --> src/gpio/mod.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct GPIO {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `BOOT_ID`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | static BOOT_ID: usize = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `kernel_init`
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn kernel_init() -> ! {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7473be66f2a7d2f3bf5c95d16fb18b7b02093d46f9d829214dbabc6dba93913d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7473be66f2a7d2f3bf5c95d16fb18b7b02093d46f9d829214dbabc6dba93913d", kill_on_drop: false }`
[INFO] [stdout] 7473be66f2a7d2f3bf5c95d16fb18b7b02093d46f9d829214dbabc6dba93913d