[INFO] cloning repository https://github.com/chenthillrulz/custom_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenthillrulz/custom_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenthillrulz%2Fcustom_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenthillrulz%2Fcustom_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 170e21a2ba3f3e73421593c565f036fcbf245f52
[INFO] fixing chenthillrulz/custom_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%2Fchenthillrulz%2Fcustom_os" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/chenthillrulz/custom_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/chenthillrulz/custom_os
[INFO] tweaked toml for git repo https://github.com/chenthillrulz/custom_os written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenthillrulz/custom_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/chenthillrulz/custom_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]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.3
[INFO] [stderr]   Downloaded uart_16550 v0.6.0
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded pic8259 v0.10.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded bootloader v0.9.34
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd
[INFO] running `Command { std: "docker" "start" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd", 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" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd", 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" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd" "/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 bitflags v2.11.1
[INFO] [stderr]    Compiling bootloader v0.9.34
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking uart_16550 v0.6.0
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking custom_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GlobalAlloc` and `Layout`
[INFO] [stdout]  --> src/allocator.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{GlobalAlloc, Layout};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr::null_mut`
[INFO] [stdout]  --> src/allocator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::null_mut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::allocator::bump::BumpAllocator`
[INFO] [stdout]  --> src/allocator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::allocator::bump::BumpAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GlobalAlloc` and `Layout`
[INFO] [stdout]  --> src/allocator.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::alloc::{GlobalAlloc, Layout};
[INFO] [stdout]   |                    ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ptr::null_mut`
[INFO] [stdout]  --> src/allocator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::null_mut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::allocator::bump::BumpAllocator`
[INFO] [stdout]  --> src/allocator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::allocator::bump::BumpAllocator;
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     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] 77 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[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] [stderr] error: could not compile `custom_os` (test "basic_boot") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 imports: `PageTable`, `Page`, and `Translate`
[INFO] [stdout]   --> src/main.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use x86_64::structures::paging::{Page, PageTable, Translate};
[INFO] [stdout]    |                                  ^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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[E0425]: cannot find function `test__main` in this scope
[INFO] [stdout]    --> src/main.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     test__main();
[INFO] [stdout]     |     ^^^^^^^^^^ similarly named function `test_main` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 114 -     test__main();
[INFO] [stdout] 114 +     test_main();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_os` (test "stack_overflow") due to 1 previous error
[INFO] [stdout] warning: unused import: `custom_os::memory::BootInfoFrameAllocator`
[INFO] [stdout]   --> tests/heap_allocation.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use custom_os::memory::BootInfoFrameAllocator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_os` (bin "custom_os" test) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused imports: `PageTable`, `Page`, and `Translate`
[INFO] [stdout]   --> src/main.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use x86_64::structures::paging::{Page, PageTable, Translate};
[INFO] [stdout]    |                                  ^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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: 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] [stderr] error: could not compile `custom_os` (test "heap_allocation") due to 1 previous error; 1 warning emitted
[INFO] [stderr] error: could not compile `custom_os` (bin "custom_os") due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: unused variable: `boot_info`
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn test_kernel_main(boot_info: &'static BootInfo) -> ! {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boot_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_os` (test "should_panic") due to 1 previous error
[INFO] [stderr] error: could not compile `custom_os` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd", kill_on_drop: false }`
[INFO] [stdout] 0f1585517a4a4b7885ad7b81495dc6e63a8586149b8c61eb7c7e1ad66bcb97dd
