Nov 28 12:52:43.804 INFO checking JosephFerano/rust_os against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074 Nov 28 12:52:43.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 12:52:44.002 INFO [stdout] cef31fd950efaa5d12303394bf7a1f830106d4896bba639d08924d353e0ded10 Nov 28 12:52:44.004 INFO running `"docker" "start" "-a" "cef31fd950efaa5d12303394bf7a1f830106d4896bba639d08924d353e0ded10"` Nov 28 12:52:44.599 INFO [stderr] usermod: no changes Nov 28 12:52:44.635 INFO [stderr] Checking volatile v0.2.4 Nov 28 12:52:44.645 INFO [stderr] Checking multiboot2 v0.7.1 Nov 28 12:52:45.130 INFO [stderr] Checking first_os v0.1.0 (/source) Nov 28 12:52:45.405 INFO [stderr] warning: method is never used: `clear_screen` Nov 28 12:52:45.405 INFO [stderr] --> src/vga_buffer.rs:121:5 Nov 28 12:52:45.405 INFO [stderr] | Nov 28 12:52:45.405 INFO [stderr] 121 | pub fn clear_screen(&mut self) { Nov 28 12:52:45.405 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 12:52:45.405 INFO [stderr] | Nov 28 12:52:45.406 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 12:52:45.406 INFO [stderr] Nov 28 12:52:45.411 INFO [stderr] warning: unused `core::result::Result` that must be used Nov 28 12:52:45.411 INFO [stderr] --> src/lib.rs:25:9 Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] 25 | / writeln!(writer, " start: 0x{:x}, end: 0x{:x}, size: {:x}", Nov 28 12:52:45.411 INFO [stderr] 26 | | area.start_address(), Nov 28 12:52:45.411 INFO [stderr] 27 | | area.end_address(), Nov 28 12:52:45.411 INFO [stderr] 28 | | area.size()); Nov 28 12:52:45.411 INFO [stderr] | |_________________________^ Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 12:52:45.411 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 12:52:45.411 INFO [stderr] = 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 28 12:52:45.411 INFO [stderr] Nov 28 12:52:45.411 INFO [stderr] warning: unused `core::result::Result` that must be used Nov 28 12:52:45.411 INFO [stderr] --> src/lib.rs:36:9 Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] 36 | / writeln!(writer, " addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}", Nov 28 12:52:45.411 INFO [stderr] 37 | | section.start_address(), Nov 28 12:52:45.411 INFO [stderr] 38 | | section.size(), Nov 28 12:52:45.411 INFO [stderr] 39 | | section.flags()); Nov 28 12:52:45.411 INFO [stderr] | |_____________________________^ Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 12:52:45.411 INFO [stderr] = 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 28 12:52:45.411 INFO [stderr] Nov 28 12:52:45.411 INFO [stderr] warning: unused `core::result::Result` that must be used Nov 28 12:52:45.411 INFO [stderr] --> src/lib.rs:48:5 Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] 48 | writeln!(writer, "Kernel Start: 0x{:x}, Kernel End: 0x{:x}", kernel_start, kernel_end); Nov 28 12:52:45.411 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 12:52:45.411 INFO [stderr] | Nov 28 12:52:45.411 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 12:52:45.411 INFO [stderr] = 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 28 12:52:45.411 INFO [stderr] Nov 28 12:52:45.418 INFO [stderr] warning: unused `core::result::Result` that must be used Nov 28 12:52:45.418 INFO [stderr] --> src/lib.rs:49:5 Nov 28 12:52:45.418 INFO [stderr] | Nov 28 12:52:45.418 INFO [stderr] 49 | writeln!(writer, "Multiboot Start: 0x{:x}, Multiboot End: 0x{:x}", multiboot_start, multiboot_end); Nov 28 12:52:45.418 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 12:52:45.419 INFO [stderr] | Nov 28 12:52:45.419 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 12:52:45.419 INFO [stderr] = 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 28 12:52:45.419 INFO [stderr] Nov 28 12:52:45.419 INFO [stderr] warning: unused `core::result::Result` that must be used Nov 28 12:52:45.419 INFO [stderr] --> src/lib.rs:68:5 Nov 28 12:52:45.419 INFO [stderr] | Nov 28 12:52:45.419 INFO [stderr] 68 | writeln!(writer, "{}", info); Nov 28 12:52:45.419 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 12:52:45.419 INFO [stderr] | Nov 28 12:52:45.419 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 12:52:45.419 INFO [stderr] = 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 28 12:52:45.419 INFO [stderr] Nov 28 12:52:45.649 INFO [stderr] error[E0152]: duplicate lang item found: `eh_personality`. Nov 28 12:52:45.649 INFO [stderr] --> src/lib.rs:63:1 Nov 28 12:52:45.649 INFO [stderr] | Nov 28 12:52:45.649 INFO [stderr] 63 | pub extern fn eh_personality() {} Nov 28 12:52:45.649 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 12:52:45.649 INFO [stderr] | Nov 28 12:52:45.650 INFO [stderr] = note: first defined in crate `panic_unwind`. Nov 28 12:52:45.650 INFO [stderr] Nov 28 12:52:45.650 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`. Nov 28 12:52:45.650 INFO [stderr] --> src/lib.rs:66:1 Nov 28 12:52:45.650 INFO [stderr] | Nov 28 12:52:45.650 INFO [stderr] 66 | / pub extern fn panic(info : &PanicInfo) -> ! { Nov 28 12:52:45.650 INFO [stderr] 67 | | let mut writer = Writer::new(); Nov 28 12:52:45.651 INFO [stderr] 68 | | writeln!(writer, "{}", info); Nov 28 12:52:45.651 INFO [stderr] 69 | | loop{} Nov 28 12:52:45.651 INFO [stderr] 70 | | } Nov 28 12:52:45.651 INFO [stderr] | |_^ Nov 28 12:52:45.651 INFO [stderr] | Nov 28 12:52:45.651 INFO [stderr] = note: first defined in crate `std`. Nov 28 12:52:45.652 INFO [stderr] Nov 28 12:52:45.734 INFO [stderr] error: aborting due to 2 previous errors Nov 28 12:52:45.734 INFO [stderr] Nov 28 12:52:45.734 INFO [stderr] For more information about this error, try `rustc --explain E0152`. Nov 28 12:52:45.734 INFO [stderr] error: Could not compile `first_os`. Nov 28 12:52:45.734 INFO [stderr] Nov 28 12:52:45.734 INFO [stderr] To learn more, run the command again with --verbose. Nov 28 12:52:45.740 INFO [stderr] su: No module specific data is present Nov 28 12:52:46.304 INFO running `"docker" "inspect" "cef31fd950efaa5d12303394bf7a1f830106d4896bba639d08924d353e0ded10"` Nov 28 12:52:46.614 INFO running `"docker" "rm" "-f" "cef31fd950efaa5d12303394bf7a1f830106d4896bba639d08924d353e0ded10"` Nov 28 12:52:46.982 INFO [stdout] cef31fd950efaa5d12303394bf7a1f830106d4896bba639d08924d353e0ded10