[INFO] cloning repository https://github.com/yonh/hello-os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yonh/hello-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonh%2Fhello-os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonh%2Fhello-os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 823e79fbed14603573a57a9769464292f030fd75 [INFO] checking yonh/hello-os against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonh%2Fhello-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] validating manifest of git repo https://github.com/yonh/hello-os on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/yonh/hello-os [INFO] finished tweaking git repo https://github.com/yonh/hello-os [INFO] tweaked toml for git repo https://github.com/yonh/hello-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yonh/hello-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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking yonh/hello-os against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonh%2Fhello-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] validating manifest of git repo https://github.com/yonh/hello-os on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/yonh/hello-os [INFO] finished tweaking git repo https://github.com/yonh/hello-os [INFO] tweaked toml for git repo https://github.com/yonh/hello-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yonh/hello-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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking yonh/hello-os against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonh%2Fhello-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] validating manifest of git repo https://github.com/yonh/hello-os on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/yonh/hello-os [INFO] finished tweaking git repo https://github.com/yonh/hello-os [INFO] tweaked toml for git repo https://github.com/yonh/hello-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yonh/hello-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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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 uart_16550 v0.2.16 [INFO] [stderr] Downloaded x86_64 v0.14.8 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2695aeff0eaa9714cd2c11b0c2c304b8d890b02154c256acb7105945b89f1ab3 [INFO] running `Command { std: "docker" "start" "-a" "2695aeff0eaa9714cd2c11b0c2c304b8d890b02154c256acb7105945b89f1ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2695aeff0eaa9714cd2c11b0c2c304b8d890b02154c256acb7105945b89f1ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2695aeff0eaa9714cd2c11b0c2c304b8d890b02154c256acb7105945b89f1ab3", kill_on_drop: false }` [INFO] [stdout] 2695aeff0eaa9714cd2c11b0c2c304b8d890b02154c256acb7105945b89f1ab3 [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0eb8392346980938b905cc557b84fc48a4de7b2fbdced752639e580917523484 [INFO] running `Command { std: "docker" "start" "-a" "0eb8392346980938b905cc557b84fc48a4de7b2fbdced752639e580917523484", kill_on_drop: false }` [INFO] [stderr] Compiling x86_64 v0.14.8 [INFO] [stderr] Compiling bootloader v0.9.21 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking uart_16550 v0.2.16 [INFO] [stderr] Checking hello-os v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/vga_buffer.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | /// 定义了一个延迟初始化（lazily initialized）的静态变量；这个变量的值将在第一次使用时计算，而非在编译时计算。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | /// 和 isa-debug-exit设备一样，UART也是用过I/O端口进行编程的。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | /// 由于UART相对来讲更加复杂，它使用多个I/O端口来对不同的设备寄存器进行编程。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | ... /// 不安全的SerialPort::new函数需要UART的第一个I/O端口的地址作为参数，从该地址中可以计算出所有所需端口的地址。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | ... /// 我们传递的端口地址为0x3F8 ，该地址是第一个串行接口的标准端口号。 [INFO] [stdout] 12 | / ... let mut serial_port = unsafe { [INFO] [stdout] 13 | | ... SerialPort::new(0x3f8) [INFO] [stdout] 14 | | ... }; [INFO] [stdout] | |________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | /// 我们传递的端口地址为0x3F8 ，该地址是第一个串行接口的标准端口号。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | use core::panic::{PanicInfo, self}; [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 doc comment [INFO] [stdout] --> src/vga_buffer.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | /// 定义了一个延迟初始化（lazily initialized）的静态变量；这个变量的值将在第一次使用时计算，而非在编译时计算。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | /// 和 isa-debug-exit设备一样，UART也是用过I/O端口进行编程的。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | /// 由于UART相对来讲更加复杂，它使用多个I/O端口来对不同的设备寄存器进行编程。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | ... /// 不安全的SerialPort::new函数需要UART的第一个I/O端口的地址作为参数，从该地址中可以计算出所有所需端口的地址。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | ... /// 我们传递的端口地址为0x3F8 ，该地址是第一个串行接口的标准端口号。 [INFO] [stdout] 12 | / ... let mut serial_port = unsafe { [INFO] [stdout] 13 | | ... SerialPort::new(0x3f8) [INFO] [stdout] 14 | | ... }; [INFO] [stdout] | |________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/serial.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | /// 我们传递的端口地址为0x3F8 ，该地址是第一个串行接口的标准端口号。 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | / let mut serial_port = unsafe { [INFO] [stdout] 13 | | SerialPort::new(0x3f8) [INFO] [stdout] 14 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | use core::panic::{PanicInfo, self}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello-os` (bin "hello-os" test) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: static `HELLO` is never used [INFO] [stdout] --> src/main.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | static HELLO: &[u8] = b"Hello World!"; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0eb8392346980938b905cc557b84fc48a4de7b2fbdced752639e580917523484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eb8392346980938b905cc557b84fc48a4de7b2fbdced752639e580917523484", kill_on_drop: false }` [INFO] [stdout] 0eb8392346980938b905cc557b84fc48a4de7b2fbdced752639e580917523484