[INFO] cloning repository https://github.com/LJQ0727/blog_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LJQ0727/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJQ0727%2Fblog_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJQ0727%2Fblog_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f228482887e194dd921b298a77d602dfb6c8bde4 [INFO] checking LJQ0727/blog_os/f228482887e194dd921b298a77d602dfb6c8bde4 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJQ0727%2Fblog_os" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LJQ0727/blog_os on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LJQ0727/blog_os [INFO] finished tweaking git repo https://github.com/LJQ0727/blog_os [INFO] tweaked toml for git repo https://github.com/LJQ0727/blog_os written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LJQ0727/blog_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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded volatile v0.4.5 [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded bootloader v0.9.22 [INFO] [stderr] Downloaded x86_64 v0.14.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31c174b0a280b8fd3c5c42ed06c2941d02fa555132d96fc7204ba71a7d21674f [INFO] running `Command { std: "docker" "start" "-a" "31c174b0a280b8fd3c5c42ed06c2941d02fa555132d96fc7204ba71a7d21674f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31c174b0a280b8fd3c5c42ed06c2941d02fa555132d96fc7204ba71a7d21674f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31c174b0a280b8fd3c5c42ed06c2941d02fa555132d96fc7204ba71a7d21674f", kill_on_drop: false }` [INFO] [stdout] 31c174b0a280b8fd3c5c42ed06c2941d02fa555132d96fc7204ba71a7d21674f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aeef1de76be219e82847e589d71c1479ef859faf9ac69543627f4c3afb69ad24 [INFO] running `Command { std: "docker" "start" "-a" "aeef1de76be219e82847e589d71c1479ef859faf9ac69543627f4c3afb69ad24", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling bootloader v0.9.22 [INFO] [stderr] Checking volatile v0.4.5 [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 pc-keyboard v0.5.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking x86_64 v0.14.10 [INFO] [stderr] Checking pic8259 v0.10.2 [INFO] [stderr] Checking blog_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | / fn panic(info: &PanicInfo) -> ! { [INFO] [stdout] 14 | | println!("{}", info); [INFO] [stdout] 15 | | hlt_loop(); [INFO] [stdout] 16 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib [INFO] [stdout] = note: second definition in the local crate (`blog_os`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `blog_os` (bin "blog_os" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/gdt.rs:35:58 [INFO] [stdout] | [INFO] [stdout] 35 | let stack_start = VirtAddr::from_ptr(unsafe {&STACK}); [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 35 | let stack_start = VirtAddr::from_ptr(unsafe {addr_of!(STACK)}); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vga_buffer.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let mut row = BUFFER_HEIGHT - 1; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "aeef1de76be219e82847e589d71c1479ef859faf9ac69543627f4c3afb69ad24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aeef1de76be219e82847e589d71c1479ef859faf9ac69543627f4c3afb69ad24", kill_on_drop: false }` [INFO] [stdout] aeef1de76be219e82847e589d71c1479ef859faf9ac69543627f4c3afb69ad24