[INFO] cloning repository https://github.com/JessevGool/stone_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JessevGool/stone_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessevGool%2Fstone_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessevGool%2Fstone_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d474c0821abc5959bbc823c3f051d65d3e339925
[INFO] fixing JessevGool/stone_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%2FJessevGool%2Fstone_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/JessevGool/stone_os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/JessevGool/stone_os
[INFO] tweaked toml for git repo https://github.com/JessevGool/stone_os written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JessevGool/stone_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/JessevGool/stone_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 conquer-util v0.2.0
[INFO] [stderr]   Downloaded conquer-once v0.2.1
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] [stderr]   Downloaded bootloader v0.9.33
[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] 6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf
[INFO] running `Command { std: "docker" "start" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf", 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" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf", 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" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf" "/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]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bootloader v0.9.33
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[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 crossbeam-queue v0.3.12
[INFO] [stderr]     Checking pic8259 v0.10.4
[INFO] [stderr]     Checking uart_16550 v0.2.19
[INFO] [stderr]     Checking stone_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/interrupts.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{gdt, print, println};
[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: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bump::BumpAllocator` and `linked_list::LinkedListAllocator`
[INFO] [stdout]  --> src/allocator.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::allocator::{bump::BumpAllocator, fixed_size_block::FixedSizeBlockAllocator, linked_list::LinkedListAllocator};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print`
[INFO] [stdout]  --> src/task/keyboard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::print;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `println`
[INFO] [stdout]  --> src/task/keyboard.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{println, shell::Shell};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodedKey`
[INFO] [stdout]   --> src/task/keyboard.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pc_keyboard::{DecodedKey, HandleControl, Keyboard, ScancodeSet1, layouts};
[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: unused import: `print`
[INFO] [stdout]  --> src/interrupts.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{gdt, print, println};
[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: `linked_list_allocator::LockedHeap`
[INFO] [stdout]  --> src/allocator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linked_list_allocator::LockedHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bump::BumpAllocator` and `linked_list::LinkedListAllocator`
[INFO] [stdout]  --> src/allocator.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::allocator::{bump::BumpAllocator, fixed_size_block::FixedSizeBlockAllocator, linked_list::LinkedListAllocator};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print`
[INFO] [stdout]  --> src/task/keyboard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::print;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `println`
[INFO] [stdout]  --> src/task/keyboard.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{println, shell::Shell};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DecodedKey`
[INFO] [stdout]   --> src/task/keyboard.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pc_keyboard::{DecodedKey, HandleControl, Keyboard, ScancodeSet1, layouts};
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]   --> src/shell/command.rs:70:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn cmd_clear(shell: &mut Shell, _args: &[&str]) {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/shell.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         _ => {}
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/shell.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         DecodedKey::Unicode(character) => match character {
[INFO] [stdout]    |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 46 |         DecodedKey::RawKey(key_code) => {
[INFO] [stdout]    |         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 73 |         _ => {}
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stone_os` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `shell`
[INFO] [stdout]   --> src/shell/command.rs:70:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn cmd_clear(shell: &mut Shell, _args: &[&str]) {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_shell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/shell.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         _ => {}
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/shell.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         DecodedKey::Unicode(character) => match character {
[INFO] [stdout]    |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 46 |         DecodedKey::RawKey(key_code) => {
[INFO] [stdout]    |         ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 73 |         _ => {}
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/allocator.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     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] 64 |     pub fn lock(&self) -> spin::MutexGuard<'_, A> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf", kill_on_drop: false }`
[INFO] [stdout] 6f6a19a6eefec6ce2df93d0ff765437d55ccb7c9287446410e866879cab03acf
