[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] checking dominicgrande/rustos against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominicgrande%2Frustos" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dominicgrande/rustos on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-1/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87b78a2a79b60fd8def2b7e5e0f507f7ec4cca9b96285bb7625293679245a547
[INFO] running `"docker" "start" "-a" "87b78a2a79b60fd8def2b7e5e0f507f7ec4cca9b96285bb7625293679245a547"`
[INFO] [stderr]     Checking volatile v0.1.0
[INFO] [stderr]     Checking 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: `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[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<vga_buffer::ScreenChar>`
[INFO] [stderr]               found struct `vga_buffer::ScreenChar`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0517, E0522.
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stderr]   --> src/lib.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[lang = "eh_personality"] extern fn eh_personality() {}
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[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[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<vga_buffer::ScreenChar>`
[INFO] [stderr]               found struct `vga_buffer::ScreenChar`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0152, E0308, E0517, E0522.
[INFO] [stderr] For more information about an error, try `rustc --explain E0152`.
[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" "87b78a2a79b60fd8def2b7e5e0f507f7ec4cca9b96285bb7625293679245a547"`
[INFO] running `"docker" "rm" "-f" "87b78a2a79b60fd8def2b7e5e0f507f7ec4cca9b96285bb7625293679245a547"`
[INFO] [stdout] 87b78a2a79b60fd8def2b7e5e0f507f7ec4cca9b96285bb7625293679245a547
