[INFO] cloning repository https://github.com/danila-permogorskii/blog-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danila-permogorskii/blog-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanila-permogorskii%2Fblog-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanila-permogorskii%2Fblog-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a40e856c39555a8f87756bc30270c978af636c9c
[INFO] fixing danila-permogorskii/blog-os against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanila-permogorskii%2Fblog-os" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/danila-permogorskii/blog-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/danila-permogorskii/blog-os
[INFO] tweaked toml for git repo https://github.com/danila-permogorskii/blog-os written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danila-permogorskii/blog-os on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danila-permogorskii/blog-os 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "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 pic8259 v0.10.4
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded uart_16550 v0.2.19
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded conquer-util v0.2.0
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded bootloader v0.9.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b
[INFO] running `Command { std: "docker" "start" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.33
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/rustwide/workdir)
[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] warning: unused variable: `interrupt_stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | extern "x86-interrupt" fn keyboard_interrupt_handler(interrupt_stack_frame: InterruptStackFrame) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt_stack_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupt_stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 | extern "x86-interrupt" fn timer_interrupt_handler(interrupt_stack_frame: InterruptStackFrame) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt_stack_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator/bump.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator/bump.rs:54:44
[INFO] [stdout]    |
[INFO] [stdout] 54 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `interrupt_stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | extern "x86-interrupt" fn keyboard_interrupt_handler(interrupt_stack_frame: InterruptStackFrame) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt_stack_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interrupt_stack_frame`
[INFO] [stdout]   --> src/interrupts.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 | extern "x86-interrupt" fn timer_interrupt_handler(interrupt_stack_frame: InterruptStackFrame) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interrupt_stack_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator/bump.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator/bump.rs:54:44
[INFO] [stdout]    |
[INFO] [stdout] 54 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sleep_if_idle` is never used
[INFO] [stdout]   --> src/task/executor.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Executor {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn sleep_if_idle(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `align_up` is never used
[INFO] [stdout]   --> src/allocator.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn align_up(addr: usize, align: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<A> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b", kill_on_drop: false }`
[INFO] [stdout] 9291ac185df30bbf2aaab891311f389f040d549d21d1eaee5b40c360ea2df09b
