[INFO] updating cached repository https://github.com/charlesj/RustOs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 836d484e029fa77b3861dc78d61b2bcd80851e53 [INFO] testing charlesj/RustOs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesj%2FRustOs" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/charlesj/RustOs on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/charlesj/RustOs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a3ae47e17f8917e317d03bbfe8f17d8a3b4b498b1678e9feb2b3f1f479b31393 [INFO] running `"docker" "start" "-a" "a3ae47e17f8917e317d03bbfe8f17d8a3b4b498b1678e9feb2b3f1f479b31393"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rlibc v0.1.5 [INFO] [stderr] Compiling rust_os v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: `derive` may only be applied to structs, enums and unions [INFO] [stderr] --> src/vga_buffer.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | #[derive(Clone, Copy)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(lang_items)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(unique)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | #[lang = "panic_fmt"] extern fn panic_fmt() -> ! {loop{}} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stderr] [INFO] [stderr] error: `#[panic_handler]` function required, but not found [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/vga_buffer.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | use core::ptr::Unique; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/vga_buffer.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | buffer: Unique, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `get_mut` found for struct `core::ptr::Unique` in the current scope [INFO] [stderr] --> src/vga_buffer.rs:74:29 [INFO] [stderr] | [INFO] [stderr] 74 | unsafe{ self.buffer.get_mut() } [INFO] [stderr] | ^^^^^^^ method not found in `core::ptr::Unique` [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0522, E0554, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0522`. [INFO] [stderr] error: could not compile `rust_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a3ae47e17f8917e317d03bbfe8f17d8a3b4b498b1678e9feb2b3f1f479b31393"` [INFO] running `"docker" "rm" "-f" "a3ae47e17f8917e317d03bbfe8f17d8a3b4b498b1678e9feb2b3f1f479b31393"` [INFO] [stdout] a3ae47e17f8917e317d03bbfe8f17d8a3b4b498b1678e9feb2b3f1f479b31393