[INFO] updating cached repository https://github.com/oxnan/OSnan
[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] 5ddf3bc201e0d7833f50698282f186788bd3b31d
[INFO] checking oxnan/OSnan against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxnan%2FOSnan" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxnan/OSnan 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/oxnan/OSnan
[INFO] finished tweaking git repo https://github.com/oxnan/OSnan
[INFO] tweaked toml for git repo https://github.com/oxnan/OSnan written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/oxnan/OSnan already has a lockfile, it will not be regenerated
[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-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" "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] 1134b47c74037886fc245fac5d504806a2d5dd09894decd5b664ea50b90dfc62
[INFO] running `"docker" "start" "-a" "1134b47c74037886fc245fac5d504806a2d5dd09894decd5b664ea50b90dfc62"`
[INFO] [stderr]     Checking spin v0.4.5
[INFO] [stderr]     Checking osnan v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[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[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/vga_buffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/vga_buffer.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     buffer: Unique<Buffer>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option`
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `core::ptr::Unique<vga_buffer::Buffer>`
[INFO] [stderr]                found enum `core::option::Option<core::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/vga_buffer.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |         unsafe{ self.buffer.as_mut() }
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0522, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `osnan`.
[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:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[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:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[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[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/vga_buffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/vga_buffer.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     buffer: Unique<Buffer>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/vga_buffer.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     buffer: unsafe { Unique::new(0xb8000 as *mut _) },
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option`
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected struct `core::ptr::Unique<vga_buffer::Buffer>`
[INFO] [stderr]                found enum `core::option::Option<core::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/vga_buffer.rs:85:29
[INFO] [stderr]    |
[INFO] [stderr] 85 |         unsafe{ self.buffer.as_mut() }
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0152, E0308, E0522, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `osnan`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1134b47c74037886fc245fac5d504806a2d5dd09894decd5b664ea50b90dfc62"`
[INFO] running `"docker" "rm" "-f" "1134b47c74037886fc245fac5d504806a2d5dd09894decd5b664ea50b90dfc62"`
[INFO] [stdout] 1134b47c74037886fc245fac5d504806a2d5dd09894decd5b664ea50b90dfc62
