[INFO] updating cached repository https://github.com/dominicgrande/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] 6d00992acfe21385294cdb1345488f124d4fcb59 [INFO] testing dominicgrande/rustos against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominicgrande%2Frustos" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dominicgrande/rustos on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dominicgrande/rustos [INFO] finished tweaking git repo https://github.com/dominicgrande/rustos [INFO] tweaked toml for git repo https://github.com/dominicgrande/rustos written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/dominicgrande/rustos already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-14/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-06-03" "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] f0af7a4d788d5d7b47ed67395edc7bd4b8cd6055b2a728385b0d9d23ed95cdd1 [INFO] running `"docker" "start" "-a" "f0af7a4d788d5d7b47ed67395edc7bd4b8cd6055b2a728385b0d9d23ed95cdd1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rlibc v1.0.0 [INFO] [stderr] Compiling volatile v0.1.0 [INFO] [stderr] Compiling blog_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: `derive` may only be applied to structs, enums and unions [INFO] [stderr] --> src/vga_buffer.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[derive(Debug, Clone, Copy)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta 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 beta release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(const_unique_new)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(type_ascription)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(const_fn)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(ptr_internals)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stderr] --> src/lib.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | #[lang = "panic_fmt"] #[no_mangle] pub 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[E0517]: attribute should be applied to enum [INFO] [stderr] --> src/vga_buffer.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | #[repr(u8)] [INFO] [stderr] | ^^ [INFO] [stderr] 4 | [INFO] [stderr] 5 | use volatile::Volatile; [INFO] [stderr] | ----------------------- not an enum [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/vga_buffer.rs:71:49 [INFO] [stderr] | [INFO] [stderr] 71 | self.buffer().chars[row][col] = ScreenChar { [INFO] [stderr] | _________________________________________________^ [INFO] [stderr] 72 | | ascii_character: byte, [INFO] [stderr] 73 | | color_code: color_code, [INFO] [stderr] 74 | | }; [INFO] [stderr] | |_________________^ expected struct `volatile::Volatile`, found struct `vga_buffer::ScreenChar` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `volatile::Volatile` [INFO] [stderr] found struct `vga_buffer::ScreenChar` [INFO] [stderr] [INFO] [stderr] error: aborting due to 10 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0517, E0522, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `blog_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f0af7a4d788d5d7b47ed67395edc7bd4b8cd6055b2a728385b0d9d23ed95cdd1"` [INFO] running `"docker" "rm" "-f" "f0af7a4d788d5d7b47ed67395edc7bd4b8cd6055b2a728385b0d9d23ed95cdd1"` [INFO] [stdout] f0af7a4d788d5d7b47ed67395edc7bd4b8cd6055b2a728385b0d9d23ed95cdd1