[INFO] cloning repository https://github.com/lZh1r/simple-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/lZh1r/simple-rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlZh1r%2Fsimple-rust-os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlZh1r%2Fsimple-rust-os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 742d0ad628dc0bb567632b9aa8d06fba43110b51 [INFO] checking lZh1r/simple-rust-os against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlZh1r%2Fsimple-rust-os" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/lZh1r/simple-rust-os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/lZh1r/simple-rust-os [INFO] tweaked toml for git repo https://github.com/lZh1r/simple-rust-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lZh1r/simple-rust-os on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lZh1r/simple-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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 rlibc v1.0.0 [INFO] [stderr] Downloaded volatile v0.2.7 [INFO] [stderr] Downloaded pic8259 v0.10.4 [INFO] [stderr] Downloaded conquer-util v0.3.0 [INFO] [stderr] Downloaded volatile v0.4.6 [INFO] [stderr] Downloaded pc-keyboard v0.8.0 [INFO] [stderr] Downloaded bootloader v0.9.31 [INFO] [stderr] Downloaded x86_64 v0.15.2 [INFO] [stderr] Downloaded spinning_top v0.2.5 [INFO] [stderr] Downloaded x86_64 v0.14.13 [INFO] [stderr] Downloaded raw-cpuid v10.7.0 [INFO] [stderr] Downloaded spin v0.10.0 [INFO] [stderr] Downloaded conquer-once v0.4.0 [INFO] [stderr] Downloaded linked_list_allocator v0.9.1 [INFO] [stderr] Downloaded uart_16550 v0.3.2 [INFO] [stderr] Downloaded x86 v0.52.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 110a032d2b0cf8b7ef09115f4e35cd3f9533a011b007931586d42950dab5da7f [INFO] running `Command { std: "docker" "start" "-a" "110a032d2b0cf8b7ef09115f4e35cd3f9533a011b007931586d42950dab5da7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "110a032d2b0cf8b7ef09115f4e35cd3f9533a011b007931586d42950dab5da7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110a032d2b0cf8b7ef09115f4e35cd3f9533a011b007931586d42950dab5da7f", kill_on_drop: false }` [INFO] [stdout] 110a032d2b0cf8b7ef09115f4e35cd3f9533a011b007931586d42950dab5da7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b372dca00d50bdba0773a2db3789bdd8f58df5d5efb51e81df5ec8399116c77 [INFO] running `Command { std: "docker" "start" "-a" "3b372dca00d50bdba0773a2db3789bdd8f58df5d5efb51e81df5ec8399116c77", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling x86 v0.52.0 [INFO] [stderr] Checking volatile v0.4.6 [INFO] [stderr] Compiling bootloader v0.9.31 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking conquer-util v0.3.0 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking pc-keyboard v0.8.0 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking conquer-once v0.4.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking x86_64 v0.14.13 [INFO] [stderr] Checking x86_64 v0.15.2 [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 spin v0.10.0 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] Checking pic8259 v0.10.4 [INFO] [stderr] Checking uart_16550 v0.3.2 [INFO] [stderr] Checking os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `alloc::alloc::GlobalAlloc` [INFO] [stdout] --> src/allocator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::alloc::GlobalAlloc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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] warning: unused import: `qemu` [INFO] [stdout] --> src/test.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{qemu, serial_print, serial_println}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub mod test; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::qemu::QemuExitCode` [INFO] [stdout] --> src/test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::qemu::QemuExitCode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub mod test; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `alloc::alloc::GlobalAlloc` [INFO] [stdout] --> src/allocator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::alloc::GlobalAlloc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BootInfo` and `entry_point` [INFO] [stdout] --> src/lib.rs:21:18 [INFO] [stdout] | [INFO] [stdout] 21 | use bootloader::{entry_point, BootInfo}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/task/executor.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | let mut task_option = { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gdt.rs:11:70 [INFO] [stdout] | [INFO] [stdout] 11 | tss.interrupt_stack_table[DOUBLE_FAULT_IST_INDEX as usize] = unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/task/executor.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | let mut task_option = { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `os` (lib test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gdt.rs:11:70 [INFO] [stdout] | [INFO] [stdout] 11 | tss.interrupt_stack_table[DOUBLE_FAULT_IST_INDEX as usize] = unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `ColorCode` is more private than the item `ColorWrite::write_with_color` [INFO] [stdout] --> src/vga_buffer.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | fn write_with_color(&mut self, color_code: ColorCode, args: fmt::Arguments) -> fmt::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `ColorWrite::write_with_color` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `ColorCode` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/vga_buffer.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | struct ColorCode(u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `ColorCode` is more private than the item `::write_with_color` [INFO] [stdout] --> src/vga_buffer.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 147 | fn write_with_color(&mut self, color_code: ColorCode, args: Arguments) -> fmt::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `::write_with_color` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `ColorCode` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/vga_buffer.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | struct ColorCode(u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3b372dca00d50bdba0773a2db3789bdd8f58df5d5efb51e81df5ec8399116c77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b372dca00d50bdba0773a2db3789bdd8f58df5d5efb51e81df5ec8399116c77", kill_on_drop: false }` [INFO] [stdout] 3b372dca00d50bdba0773a2db3789bdd8f58df5d5efb51e81df5ec8399116c77