[INFO] cloning repository https://github.com/usadson/nocciolo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usadson/nocciolo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusadson%2Fnocciolo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusadson%2Fnocciolo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12c66a69ac0c23ed061bb0e17a4e1883269c45ef
[INFO] checking usadson/nocciolo against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusadson%2Fnocciolo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/usadson/nocciolo on toolchain 30840c53f414b753cb08f14620906572f88dda4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/usadson/nocciolo
[INFO] finished tweaking git repo https://github.com/usadson/nocciolo
[INFO] tweaked toml for git repo https://github.com/usadson/nocciolo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/usadson/nocciolo 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" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded rsdp v2.0.1
[INFO] [stderr]   Downloaded x86_64 v0.15.1
[INFO] [stderr]   Downloaded acpi v5.0.0
[INFO] [stderr]   Downloaded conquer-once v0.4.0
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ecc405d430b3496056b1f2de03ce591a298cfd89861dfa358a1f973cd833d6
[INFO] running `Command { std: "docker" "start" "-a" "02ecc405d430b3496056b1f2de03ce591a298cfd89861dfa358a1f973cd833d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ecc405d430b3496056b1f2de03ce591a298cfd89861dfa358a1f973cd833d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ecc405d430b3496056b1f2de03ce591a298cfd89861dfa358a1f973cd833d6", kill_on_drop: false }`
[INFO] [stdout] 02ecc405d430b3496056b1f2de03ce591a298cfd89861dfa358a1f973cd833d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c9aa4bce3818044ab7c4ab492f2b2dd1bd426a4ff87b9eb81febef0011549f
[INFO] running `Command { std: "docker" "start" "-a" "75c9aa4bce3818044ab7c4ab492f2b2dd1bd426a4ff87b9eb81febef0011549f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling bootloader v0.9.28
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rsdp v2.0.1
[INFO] [stderr]     Checking acpi v5.0.0
[INFO] [stderr]     Checking conquer-once v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking x86_64 v0.15.1
[INFO] [stderr]     Checking pic8259 v0.11.0
[INFO] [stderr]     Checking uart_16550 v0.3.0
[INFO] [stderr]     Checking nocciolo-kernel v0.1.1 (/opt/rustwide/workdir/kernel)
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> kernel/src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> kernel/src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> kernel/src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     executor.run();
[INFO] [stdout]    |     -------------- any code following this expression is unreachable
[INFO] [stdout] 69 |
[INFO] [stdout] 70 |     panic!("end of _start() reached!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `init` are never used
[INFO] [stdout]   --> kernel/src/allocator/linked_list.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LinkedListAllocator {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 26 |     /// Creates an empty LinkedListAllocator.
[INFO] [stdout] 27 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub unsafe fn init(&mut self, heap_start: usize, heap_size: usize) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_addr` is never used
[INFO] [stdout]   --> kernel/src/memory.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn translate_addr(addr: VirtAddr, physical_memory_offset: VirtAddr) -> Option<PhysAddr> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_addr_inner` is never used
[INFO] [stdout]   --> kernel/src/memory.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn translate_addr_inner(addr: VirtAddr, physical_memory_offset: VirtAddr)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleExecutor` is never constructed
[INFO] [stdout]  --> kernel/src/task/simple_executor.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SimpleExecutor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `spawn` are never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SimpleExecutor {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> SimpleExecutor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn spawn(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy_raw_waker` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn dummy_raw_waker() -> RawWaker {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy_waker` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn dummy_waker() -> Waker {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl SimpleExecutor {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 36 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> kernel/src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     executor.run();
[INFO] [stdout]    |     -------------- any code following this expression is unreachable
[INFO] [stdout] 69 |
[INFO] [stdout] 70 |     panic!("end of _start() reached!");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `init` are never used
[INFO] [stdout]   --> kernel/src/allocator/linked_list.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl LinkedListAllocator {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 26 |     /// Creates an empty LinkedListAllocator.
[INFO] [stdout] 27 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub unsafe fn init(&mut self, heap_start: usize, heap_size: usize) {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_addr` is never used
[INFO] [stdout]   --> kernel/src/memory.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn translate_addr(addr: VirtAddr, physical_memory_offset: VirtAddr) -> Option<PhysAddr> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_addr_inner` is never used
[INFO] [stdout]   --> kernel/src/memory.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn translate_addr_inner(addr: VirtAddr, physical_memory_offset: VirtAddr)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleExecutor` is never constructed
[INFO] [stdout]  --> kernel/src/task/simple_executor.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SimpleExecutor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `spawn` are never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SimpleExecutor {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> SimpleExecutor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn spawn(&mut self, task: Task) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy_raw_waker` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn dummy_raw_waker() -> RawWaker {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy_waker` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn dummy_waker() -> Waker {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> kernel/src/task/simple_executor.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl SimpleExecutor {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 36 |     pub fn run(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "75c9aa4bce3818044ab7c4ab492f2b2dd1bd426a4ff87b9eb81febef0011549f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c9aa4bce3818044ab7c4ab492f2b2dd1bd426a4ff87b9eb81febef0011549f", kill_on_drop: false }`
[INFO] [stdout] 75c9aa4bce3818044ab7c4ab492f2b2dd1bd426a4ff87b9eb81febef0011549f