Nov 07 04:24:50.839 INFO checking JosephFerano/rust_os against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 04:24:50.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 07 04:24:51.144 INFO blam! 7a926cf775a53c63413b24c773bf0301b99c0670cde06457d3cde9f4f32c0dc8
Nov 07 04:24:51.150 INFO running `"docker" "start" "-a" "7a926cf775a53c63413b24c773bf0301b99c0670cde06457d3cde9f4f32c0dc8"`
Nov 07 04:24:51.626 INFO kablam! usermod: no changes
Nov 07 04:24:51.660 INFO kablam!     Checking volatile v0.2.4
Nov 07 04:24:51.662 INFO kablam!     Checking multiboot2 v0.7.1
Nov 07 04:24:52.248 INFO kablam!     Checking first_os v0.1.0 (/source)
Nov 07 04:24:52.515 INFO kablam! warning: method is never used: `clear_screen`
Nov 07 04:24:52.515 INFO kablam!    --> src/vga_buffer.rs:121:5
Nov 07 04:24:52.515 INFO kablam!     |
Nov 07 04:24:52.515 INFO kablam! 121 |     pub fn clear_screen(&mut self) {
Nov 07 04:24:52.515 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:24:52.515 INFO kablam!     |
Nov 07 04:24:52.515 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 07 04:24:52.515 INFO kablam! 
Nov 07 04:24:52.515 INFO kablam! warning: unused `core::result::Result` that must be used
Nov 07 04:24:52.515 INFO kablam!   --> src/lib.rs:25:9
Nov 07 04:24:52.515 INFO kablam!    |
Nov 07 04:24:52.515 INFO kablam! 25 | /         writeln!(writer, "    start: 0x{:x}, end: 0x{:x}, size: {:x}",
Nov 07 04:24:52.515 INFO kablam! 26 | |             area.start_address(),
Nov 07 04:24:52.515 INFO kablam! 27 | |             area.end_address(),
Nov 07 04:24:52.515 INFO kablam! 28 | |             area.size());
Nov 07 04:24:52.515 INFO kablam!    | |_________________________^
Nov 07 04:24:52.515 INFO kablam!    |
Nov 07 04:24:52.515 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 04:24:52.516 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:24:52.516 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 04:24:52.516 INFO kablam! 
Nov 07 04:24:52.516 INFO kablam! warning: unused `core::result::Result` that must be used
Nov 07 04:24:52.516 INFO kablam!   --> src/lib.rs:36:9
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam! 36 | /         writeln!(writer, "    addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}",
Nov 07 04:24:52.516 INFO kablam! 37 | |             section.start_address(),
Nov 07 04:24:52.516 INFO kablam! 38 | |             section.size(),
Nov 07 04:24:52.516 INFO kablam! 39 | |             section.flags());
Nov 07 04:24:52.516 INFO kablam!    | |_____________________________^
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:24:52.516 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 04:24:52.516 INFO kablam! 
Nov 07 04:24:52.516 INFO kablam! warning: unused `core::result::Result` that must be used
Nov 07 04:24:52.516 INFO kablam!   --> src/lib.rs:48:5
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam! 48 |     writeln!(writer, "Kernel Start: 0x{:x}, Kernel End: 0x{:x}", kernel_start, kernel_end);
Nov 07 04:24:52.516 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:24:52.516 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 04:24:52.516 INFO kablam! 
Nov 07 04:24:52.516 INFO kablam! warning: unused `core::result::Result` that must be used
Nov 07 04:24:52.516 INFO kablam!   --> src/lib.rs:49:5
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam! 49 |     writeln!(writer, "Multiboot Start: 0x{:x}, Multiboot End: 0x{:x}", multiboot_start, multiboot_end);
Nov 07 04:24:52.516 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:24:52.516 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 04:24:52.516 INFO kablam! 
Nov 07 04:24:52.516 INFO kablam! warning: unused `core::result::Result` that must be used
Nov 07 04:24:52.516 INFO kablam!   --> src/lib.rs:68:5
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam! 68 |     writeln!(writer, "{}", info);
Nov 07 04:24:52.516 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:24:52.516 INFO kablam!    |
Nov 07 04:24:52.516 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 04:24:52.516 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 07 04:24:52.516 INFO kablam! 
Nov 07 04:24:52.715 INFO kablam! error[E0152]: duplicate lang item found: `eh_personality`.
Nov 07 04:24:52.715 INFO kablam!   --> src/lib.rs:63:1
Nov 07 04:24:52.715 INFO kablam!    |
Nov 07 04:24:52.715 INFO kablam! 63 | pub extern fn eh_personality() {}
Nov 07 04:24:52.715 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 04:24:52.715 INFO kablam!    |
Nov 07 04:24:52.715 INFO kablam!    = note: first defined in crate `panic_unwind`.
Nov 07 04:24:52.715 INFO kablam! 
Nov 07 04:24:52.715 INFO kablam! error[E0152]: duplicate lang item found: `panic_impl`.
Nov 07 04:24:52.715 INFO kablam!   --> src/lib.rs:66:1
Nov 07 04:24:52.715 INFO kablam!    |
Nov 07 04:24:52.715 INFO kablam! 66 | / pub extern fn panic(info : &PanicInfo) -> ! {
Nov 07 04:24:52.715 INFO kablam! 67 | |     let mut writer = Writer::new();
Nov 07 04:24:52.715 INFO kablam! 68 | |     writeln!(writer, "{}", info);
Nov 07 04:24:52.715 INFO kablam! 69 | |     loop{}
Nov 07 04:24:52.715 INFO kablam! 70 | | }
Nov 07 04:24:52.715 INFO kablam!    | |_^
Nov 07 04:24:52.715 INFO kablam!    |
Nov 07 04:24:52.716 INFO kablam!    = note: first defined in crate `std`.
Nov 07 04:24:52.716 INFO kablam! 
Nov 07 04:24:52.809 INFO kablam! error: aborting due to 2 previous errors
Nov 07 04:24:52.809 INFO kablam! 
Nov 07 04:24:52.809 INFO kablam! For more information about this error, try `rustc --explain E0152`.
Nov 07 04:24:52.817 INFO kablam! error: Could not compile `first_os`.
Nov 07 04:24:52.817 INFO kablam! 
Nov 07 04:24:52.817 INFO kablam! To learn more, run the command again with --verbose.
Nov 07 04:24:52.819 INFO kablam! su: No module specific data is present
Nov 07 04:24:53.504 INFO running `"docker" "rm" "-f" "7a926cf775a53c63413b24c773bf0301b99c0670cde06457d3cde9f4f32c0dc8"`
Nov 07 04:24:53.800 INFO blam! 7a926cf775a53c63413b24c773bf0301b99c0670cde06457d3cde9f4f32c0dc8