[INFO] cloning repository https://github.com/charlesj/RustOs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesj/RustOs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesj%2FRustOs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesj%2FRustOs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 836d484e029fa77b3861dc78d61b2bcd80851e53 [INFO] testing charlesj/RustOs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesj%2FRustOs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/charlesj/RustOs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/charlesj/RustOs [INFO] finished tweaking git repo https://github.com/charlesj/RustOs [INFO] tweaked toml for git repo https://github.com/charlesj/RustOs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/charlesj/RustOs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rlibc v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 676f64b3322c36e092db32e0a7badd5c5663c7653fe9a518e865fd09c30c3544 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "676f64b3322c36e092db32e0a7badd5c5663c7653fe9a518e865fd09c30c3544", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "676f64b3322c36e092db32e0a7badd5c5663c7653fe9a518e865fd09c30c3544", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "676f64b3322c36e092db32e0a7badd5c5663c7653fe9a518e865fd09c30c3544", kill_on_drop: false }` [INFO] [stdout] 676f64b3322c36e092db32e0a7badd5c5663c7653fe9a518e865fd09c30c3544 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ef786b0723bc384269863ec60006d774223e350302ea37acbdb06caa3f383853 [INFO] running `Command { std: "docker" "start" "-a" "ef786b0723bc384269863ec60006d774223e350302ea37acbdb06caa3f383853", kill_on_drop: false }` [INFO] [stderr] Compiling rlibc v0.1.5 [INFO] [stderr] Compiling rust_os v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0774]: `derive` may only be applied to structs, enums and unions [INFO] [stdout] --> src/vga_buffer.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Clone, Copy)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #[lang = "panic_fmt"] extern fn panic_fmt() -> ! {loop{}} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/vga_buffer.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | use core::ptr::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/vga_buffer.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | buffer: Unique, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Unique` in the current scope [INFO] [stdout] --> src/vga_buffer.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | unsafe{ self.buffer.get_mut() } [INFO] [stdout] | ^^^^^^^ method not found in `Unique` [INFO] [stdout] | [INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type [INFO] [stdout] | [INFO] [stdout] 74 | unsafe{ Pin::new(&mut self.buffer).get_mut() } [INFO] [stdout] | ^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0522, E0599, E0658, E0774. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0522`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_os` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "ef786b0723bc384269863ec60006d774223e350302ea37acbdb06caa3f383853", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef786b0723bc384269863ec60006d774223e350302ea37acbdb06caa3f383853", kill_on_drop: false }` [INFO] [stdout] ef786b0723bc384269863ec60006d774223e350302ea37acbdb06caa3f383853