[INFO] cloning repository https://github.com/GoatSpike/os_goat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoatSpike/os_goat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoatSpike%2Fos_goat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoatSpike%2Fos_goat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c4e3ce6d944ac37e5dc191610f03fbe8ba9009
[INFO] checking GoatSpike/os_goat against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoatSpike%2Fos_goat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/GoatSpike/os_goat
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/GoatSpike/os_goat
[INFO] tweaked toml for git repo https://github.com/GoatSpike/os_goat written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GoatSpike/os_goat on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GoatSpike/os_goat 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded bootloader v0.9.31
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ce3bf02ff8a2631a008778492c784305cc391bdc4a2612ed2d31152b378838
[INFO] running `Command { std: "docker" "start" "-a" "57ce3bf02ff8a2631a008778492c784305cc391bdc4a2612ed2d31152b378838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ce3bf02ff8a2631a008778492c784305cc391bdc4a2612ed2d31152b378838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ce3bf02ff8a2631a008778492c784305cc391bdc4a2612ed2d31152b378838", kill_on_drop: false }`
[INFO] [stdout] 57ce3bf02ff8a2631a008778492c784305cc391bdc4a2612ed2d31152b378838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e7581c36c5c9cc5e9a66e26296ea02755d66a2f32c52ff591c237814cffe7d7
[INFO] running `Command { std: "docker" "start" "-a" "7e7581c36c5c9cc5e9a66e26296ea02755d66a2f32c52ff591c237814cffe7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking blog_os_goat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `keyboard_interrupt_handler` is defined multiple times
[INFO] [stdout]    --> src/interrupts.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 73  |   extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) {
[INFO] [stdout]     |   --------------------------------------------------------------------------------------- previous definition of the value `keyboard_interrupt_handler` here
[INFO] [stdout] ...
[INFO] [stdout] 129 | / extern "x86-interrupt" fn keyboard_interrupt_handler(
[INFO] [stdout] 130 | |     _stack_frame: InterruptStackFrame
[INFO] [stdout] 131 | | ) {
[INFO] [stdout] 132 | |     use x86_64::instructions::port::Port;
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | | }
[INFO] [stdout]     | |_^ `keyboard_interrupt_handler` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `keyboard_interrupt_handler` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `keyboard_interrupt_handler` is defined multiple times
[INFO] [stdout]    --> src/interrupts.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 73  |   extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStackFrame) {
[INFO] [stdout]     |   --------------------------------------------------------------------------------------- previous definition of the value `keyboard_interrupt_handler` here
[INFO] [stdout] ...
[INFO] [stdout] 129 | / extern "x86-interrupt" fn keyboard_interrupt_handler(
[INFO] [stdout] 130 | |     _stack_frame: InterruptStackFrame
[INFO] [stdout] 131 | | ) {
[INFO] [stdout] 132 | |     use x86_64::instructions::port::Port;
[INFO] [stdout] ...   |
[INFO] [stdout] 142 | | }
[INFO] [stdout]     | |_^ `keyboard_interrupt_handler` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `keyboard_interrupt_handler` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: functions with the "custom" ABI cannot have a return type
[INFO] [stdout] help: remove the return type
[INFO] [stdout]   --> src/interrupts.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/executor.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         while let Some(task_id) = task_queue.pop() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^   ---------------- this expression has type `Result<TaskId, PopError>`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected `Result<TaskId, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<TaskId, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Some(scancode) = queue.pop() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^   ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         match queue.pop() {
[INFO] [stdout]    |               ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout] 60 |             Some(scancode) => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         match queue.pop() {
[INFO] [stdout]    |               ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout] ...
[INFO] [stdout] 64 |             None => Poll::Pending,
[INFO] [stdout]    |             ^^^^ expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]   --> src/interrupts.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let scancode: u8 = unsafe {port.read()};
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scancode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/executor.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         while let Some(task_id) = task_queue.pop() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^   ---------------- this expression has type `Result<TaskId, PopError>`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected `Result<TaskId, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<TaskId, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         if let Some(scancode) = queue.pop() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^   ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         match queue.pop() {
[INFO] [stdout]    |               ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout] 60 |             Some(scancode) => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/task/keyboard.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         match queue.pop() {
[INFO] [stdout]    |               ----------- this expression has type `Result<u8, PopError>`
[INFO] [stdout] ...
[INFO] [stdout] 64 |             None => Poll::Pending,
[INFO] [stdout]    |             ^^^^ expected `Result<u8, PopError>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<u8, PopError>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]   --> src/interrupts.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let scancode: u8 = unsafe {port.read()};
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scancode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os_goat` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0308, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os_goat` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7e7581c36c5c9cc5e9a66e26296ea02755d66a2f32c52ff591c237814cffe7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7581c36c5c9cc5e9a66e26296ea02755d66a2f32c52ff591c237814cffe7d7", kill_on_drop: false }`
[INFO] [stdout] 7e7581c36c5c9cc5e9a66e26296ea02755d66a2f32c52ff591c237814cffe7d7
