[INFO] cloning repository https://github.com/MayNc10/rust-os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MayNc10/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17d190c09641e218995f679aad1ee47edbfc0007 [INFO] checking MayNc10/rust-os against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/MayNc10/rust-os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/MayNc10/rust-os [INFO] tweaked toml for git repo https://github.com/MayNc10/rust-os written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MayNc10/rust-os on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MayNc10/rust-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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking MayNc10/rust-os against try#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayNc10%2Frust-os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/MayNc10/rust-os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/MayNc10/rust-os [INFO] tweaked toml for git repo https://github.com/MayNc10/rust-os written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MayNc10/rust-os on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MayNc10/rust-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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linked_list_allocator v0.9.0 [INFO] [stderr] Downloaded conquer-util v0.2.0 [INFO] [stderr] Downloaded uart_16550 v0.2.14 [INFO] [stderr] Downloaded volatile v0.4.4 [INFO] [stderr] Downloaded conquer-once v0.2.1 [INFO] [stderr] Downloaded pic8259 v0.10.1 [INFO] [stderr] Downloaded x86_64 v0.14.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 837af31498ba9c43cd25757a2d04ababfae4e8629eedfd4f963c1c3da9069cc8 [INFO] running `Command { std: "docker" "start" "-a" "837af31498ba9c43cd25757a2d04ababfae4e8629eedfd4f963c1c3da9069cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "837af31498ba9c43cd25757a2d04ababfae4e8629eedfd4f963c1c3da9069cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "837af31498ba9c43cd25757a2d04ababfae4e8629eedfd4f963c1c3da9069cc8", kill_on_drop: false }` [INFO] [stdout] 837af31498ba9c43cd25757a2d04ababfae4e8629eedfd4f963c1c3da9069cc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84076403ef30e15d07e7bd7b957fecb9715ce389b8af2bec9976595cb56295e9 [INFO] running `Command { std: "docker" "start" "-a" "84076403ef30e15d07e7bd7b957fecb9715ce389b8af2bec9976595cb56295e9", kill_on_drop: false }` [INFO] [stderr] Compiling x86_64 v0.14.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling bootloader v0.9.23 [INFO] [stderr] Checking conquer-util v0.2.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking conquer-once v0.2.1 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking pic8259 v0.10.1 [INFO] [stderr] Checking uart_16550 v0.2.14 [INFO] [stderr] Checking rust_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/task/cli.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 34 | if let DecodedKey::Unicode(c) = key && c == ESC { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PortGeneric` and `ReadWriteAccess` [INFO] [stdout] --> src/disk/pio.rs:7:40 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::instructions::port::{Port, PortGeneric, ReadWriteAccess}; [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: `print` [INFO] [stdout] --> src/interrupts.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{gdt, hlt_loop, print, println, time::TIMER}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BUFFER_HEIGHT` and `Color` [INFO] [stdout] --> src/task/cli.rs:4:50 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{print, println, vga_buffer::{WRITER, Color, COLOR_LIST, ColorCode, BUFFER_HEIGHT, COLOR_NAME_LIST, BUFFER_WIDTH}, disk::pio::... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `conquer_once::spin::OnceCell` [INFO] [stdout] --> src/task/cli.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use conquer_once::spin::OnceCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stream` and `task::AtomicWaker` [INFO] [stdout] --> src/task/cli.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | stream::{Stream, StreamExt}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | task::AtomicWaker, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/task/cli.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 34 | if let DecodedKey::Unicode(c) = key && c == ESC { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PortGeneric` and `ReadWriteAccess` [INFO] [stdout] --> src/disk/pio.rs:7:40 [INFO] [stdout] | [INFO] [stdout] 7 | use x86_64::instructions::port::{Port, PortGeneric, ReadWriteAccess}; [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: `print` [INFO] [stdout] --> src/interrupts.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{gdt, hlt_loop, print, println, time::TIMER}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BUFFER_HEIGHT` and `Color` [INFO] [stdout] --> src/task/cli.rs:4:50 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{print, println, vga_buffer::{WRITER, Color, COLOR_LIST, ColorCode, BUFFER_HEIGHT, COLOR_NAME_LIST, BUFFER_WIDTH}, disk::pio::... [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `conquer_once::spin::OnceCell` [INFO] [stdout] --> src/task/cli.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use conquer_once::spin::OnceCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stream` and `task::AtomicWaker` [INFO] [stdout] --> src/task/cli.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | stream::{Stream, StreamExt}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | task::AtomicWaker, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [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: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/lib.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use core::{panic::PanicInfo, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/vga_buffer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/disk/pio.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/lib.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | use core::{panic::PanicInfo, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/vga_buffer.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use core::fmt::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/vga_buffer.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | let start = self.cmd_start; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/disk/pio.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_os` (lib) due to 1 previous error; 11 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/vga_buffer.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | let start = self.cmd_start; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [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 `rust_os` (lib test) due to 3 previous errors; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "84076403ef30e15d07e7bd7b957fecb9715ce389b8af2bec9976595cb56295e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84076403ef30e15d07e7bd7b957fecb9715ce389b8af2bec9976595cb56295e9", kill_on_drop: false }` [INFO] [stdout] 84076403ef30e15d07e7bd7b957fecb9715ce389b8af2bec9976595cb56295e9