[INFO] cloning repository https://github.com/woile/fun_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woile/fun_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoile%2Ffun_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoile%2Ffun_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8429c500d6589880b69461577f03e62cf383cdb1
[INFO] checking woile/fun_os against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoile%2Ffun_os" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/woile/fun_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/woile/fun_os
[INFO] tweaked toml for git repo https://github.com/woile/fun_os written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/woile/fun_os on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/woile/fun_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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43dfd75df5c8dbaf1458d622edc6a980acb9bd122710c20ab413e74af3669c3c
[INFO] running `Command { std: "docker" "start" "-a" "43dfd75df5c8dbaf1458d622edc6a980acb9bd122710c20ab413e74af3669c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43dfd75df5c8dbaf1458d622edc6a980acb9bd122710c20ab413e74af3669c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dfd75df5c8dbaf1458d622edc6a980acb9bd122710c20ab413e74af3669c3c", kill_on_drop: false }`
[INFO] [stdout] 43dfd75df5c8dbaf1458d622edc6a980acb9bd122710c20ab413e74af3669c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59e80225e88d5e727429a71933cbe5a35091608367fba8bb2c7609fd612c68b
[INFO] running `Command { std: "docker" "start" "-a" "a59e80225e88d5e727429a71933cbe5a35091608367fba8bb2c7609fd612c68b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking pc-keyboard v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking fun_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> ! {
[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:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bump::BumpAllocator`
[INFO] [stdout]  --> src/allocator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bump::BumpAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator`
[INFO] [stdout]  --> src/allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linked_list::LinkedListAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/allocator/fixed_size_block.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{alloc::{GlobalAlloc, Layout}, mem, ops::Index, ptr::{self, NonNull}};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid signature for `extern "x86-interrupt"` function
[INFO] [stdout]   --> src/interrupts.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> ! {
[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:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> ! {
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bump::BumpAllocator`
[INFO] [stdout]  --> src/allocator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bump::BumpAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list::LinkedListAllocator`
[INFO] [stdout]  --> src/allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linked_list::LinkedListAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/allocator/fixed_size_block.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::{alloc::{GlobalAlloc, Layout}, mem, ops::Index, ptr::{self, NonNull}};
[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] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/gdt.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let stack_start = VirtAddr::from_ptr(unsafe {&raw const STACK});
[INFO] [stdout]    |                                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator/bump.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator/bump.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/gdt.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let stack_start = VirtAddr::from_ptr(unsafe {&raw const STACK});
[INFO] [stdout]    |                                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/allocator/bump.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/allocator/bump.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     unsafe fn dealloc(&self, ptr: *mut u8, layout: core::alloc::Layout) {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fun_os` (lib) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fun_os` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a59e80225e88d5e727429a71933cbe5a35091608367fba8bb2c7609fd612c68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59e80225e88d5e727429a71933cbe5a35091608367fba8bb2c7609fd612c68b", kill_on_drop: false }`
[INFO] [stdout] a59e80225e88d5e727429a71933cbe5a35091608367fba8bb2c7609fd612c68b
