Nov 17 14:28:05.636 INFO testing JosephFerano/rust_os against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 14:28:05.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 14:28:05.817 INFO [stdout] a4588d3a2e207883e7e916576afe1ed3bd0592dc4a2c1981b2625d369469e03e
Nov 17 14:28:05.819 INFO running `"docker" "start" "-a" "a4588d3a2e207883e7e916576afe1ed3bd0592dc4a2c1981b2625d369469e03e"`
Nov 17 14:28:06.537 INFO [stderr] usermod: no changes
Nov 17 14:28:06.571 INFO [stderr]    Compiling bitflags v1.0.4
Nov 17 14:28:06.646 INFO [stderr]    Compiling multiboot2 v0.7.1
Nov 17 14:28:07.163 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Nov 17 14:28:07.341 INFO [stderr] warning: method is never used: `clear_screen`
Nov 17 14:28:07.341 INFO [stderr]    --> src/vga_buffer.rs:121:5
Nov 17 14:28:07.341 INFO [stderr]     |
Nov 17 14:28:07.341 INFO [stderr] 121 |     pub fn clear_screen(&mut self) {
Nov 17 14:28:07.341 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:07.341 INFO [stderr]     |
Nov 17 14:28:07.341 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 17 14:28:07.341 INFO [stderr] 
Nov 17 14:28:07.343 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:07.343 INFO [stderr]   --> src/lib.rs:25:9
Nov 17 14:28:07.343 INFO [stderr]    |
Nov 17 14:28:07.343 INFO [stderr] 25 | /         writeln!(writer, "    start: 0x{:x}, end: 0x{:x}, size: {:x}",
Nov 17 14:28:07.344 INFO [stderr] 26 | |             area.start_address(),
Nov 17 14:28:07.344 INFO [stderr] 27 | |             area.end_address(),
Nov 17 14:28:07.344 INFO [stderr] 28 | |             area.size());
Nov 17 14:28:07.344 INFO [stderr]    | |_________________________^
Nov 17 14:28:07.344 INFO [stderr]    |
Nov 17 14:28:07.344 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 14:28:07.344 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:07.344 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 17 14:28:07.344 INFO [stderr] 
Nov 17 14:28:07.344 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:07.344 INFO [stderr]   --> src/lib.rs:36:9
Nov 17 14:28:07.344 INFO [stderr]    |
Nov 17 14:28:07.344 INFO [stderr] 36 | /         writeln!(writer, "    addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}",
Nov 17 14:28:07.344 INFO [stderr] 37 | |             section.start_address(),
Nov 17 14:28:07.344 INFO [stderr] 38 | |             section.size(),
Nov 17 14:28:07.344 INFO [stderr] 39 | |             section.flags());
Nov 17 14:28:07.344 INFO [stderr]    | |_____________________________^
Nov 17 14:28:07.344 INFO [stderr]    |
Nov 17 14:28:07.344 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:07.344 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 17 14:28:07.344 INFO [stderr] 
Nov 17 14:28:07.344 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:07.344 INFO [stderr]   --> src/lib.rs:48:5
Nov 17 14:28:07.344 INFO [stderr]    |
Nov 17 14:28:07.344 INFO [stderr] 48 |     writeln!(writer, "Kernel Start: 0x{:x}, Kernel End: 0x{:x}", kernel_start, kernel_end);
Nov 17 14:28:07.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:07.345 INFO [stderr]    |
Nov 17 14:28:07.345 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:07.345 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 17 14:28:07.345 INFO [stderr] 
Nov 17 14:28:07.345 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:07.345 INFO [stderr]   --> src/lib.rs:49:5
Nov 17 14:28:07.345 INFO [stderr]    |
Nov 17 14:28:07.345 INFO [stderr] 49 |     writeln!(writer, "Multiboot Start: 0x{:x}, Multiboot End: 0x{:x}", multiboot_start, multiboot_end);
Nov 17 14:28:07.345 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:07.345 INFO [stderr]    |
Nov 17 14:28:07.345 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:07.345 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 17 14:28:07.345 INFO [stderr] 
Nov 17 14:28:07.349 INFO [stderr] warning: unused `core::result::Result` that must be used
Nov 17 14:28:07.349 INFO [stderr]   --> src/lib.rs:68:5
Nov 17 14:28:07.349 INFO [stderr]    |
Nov 17 14:28:07.349 INFO [stderr] 68 |     writeln!(writer, "{}", info);
Nov 17 14:28:07.349 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:07.349 INFO [stderr]    |
Nov 17 14:28:07.349 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 14:28:07.349 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 17 14:28:07.349 INFO [stderr] 
Nov 17 14:28:07.559 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 17 14:28:07.559 INFO [stderr] su: No module specific data is present
Nov 17 14:28:08.041 INFO running `"docker" "inspect" "a4588d3a2e207883e7e916576afe1ed3bd0592dc4a2c1981b2625d369469e03e"`
Nov 17 14:28:08.294 INFO running `"docker" "rm" "-f" "a4588d3a2e207883e7e916576afe1ed3bd0592dc4a2c1981b2625d369469e03e"`
Nov 17 14:28:08.519 INFO [stdout] a4588d3a2e207883e7e916576afe1ed3bd0592dc4a2c1981b2625d369469e03e
Nov 17 14:28:08.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 14:28:08.946 INFO [stdout] 1bc946143b2f855d88907594599d9b7e6beb7013a6e5972269486f70605fd8cc
Nov 17 14:28:08.948 INFO running `"docker" "start" "-a" "1bc946143b2f855d88907594599d9b7e6beb7013a6e5972269486f70605fd8cc"`
Nov 17 14:28:09.494 INFO [stderr] usermod: no changes
Nov 17 14:28:09.551 INFO [stderr]    Compiling multiboot2 v0.7.1
Nov 17 14:28:10.183 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Nov 17 14:28:10.672 INFO [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
Nov 17 14:28:10.672 INFO [stderr]   --> src/lib.rs:63:1
Nov 17 14:28:10.672 INFO [stderr]    |
Nov 17 14:28:10.672 INFO [stderr] 63 | pub extern fn eh_personality() {}
Nov 17 14:28:10.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 14:28:10.672 INFO [stderr]    |
Nov 17 14:28:10.672 INFO [stderr]    = note: first defined in crate `panic_unwind`.
Nov 17 14:28:10.672 INFO [stderr] 
Nov 17 14:28:10.672 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Nov 17 14:28:10.673 INFO [stderr]   --> src/lib.rs:66:1
Nov 17 14:28:10.673 INFO [stderr]    |
Nov 17 14:28:10.673 INFO [stderr] 66 | / pub extern fn panic(info : &PanicInfo) -> ! {
Nov 17 14:28:10.673 INFO [stderr] 67 | |     let mut writer = Writer::new();
Nov 17 14:28:10.673 INFO [stderr] 68 | |     writeln!(writer, "{}", info);
Nov 17 14:28:10.673 INFO [stderr] 69 | |     loop{}
Nov 17 14:28:10.673 INFO [stderr] 70 | | }
Nov 17 14:28:10.673 INFO [stderr]    | |_^
Nov 17 14:28:10.673 INFO [stderr]    |
Nov 17 14:28:10.673 INFO [stderr]    = note: first defined in crate `std`.
Nov 17 14:28:10.673 INFO [stderr] 
Nov 17 14:28:10.762 INFO [stderr] error: aborting due to 2 previous errors
Nov 17 14:28:10.762 INFO [stderr] 
Nov 17 14:28:10.762 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Nov 17 14:28:10.770 INFO [stderr] error: Could not compile `first_os`.
Nov 17 14:28:10.771 INFO [stderr] 
Nov 17 14:28:10.771 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 14:28:10.771 INFO [stderr] su: No module specific data is present
Nov 17 14:28:11.089 INFO running `"docker" "inspect" "1bc946143b2f855d88907594599d9b7e6beb7013a6e5972269486f70605fd8cc"`
Nov 17 14:28:11.217 INFO running `"docker" "rm" "-f" "1bc946143b2f855d88907594599d9b7e6beb7013a6e5972269486f70605fd8cc"`
Nov 17 14:28:11.438 INFO [stdout] 1bc946143b2f855d88907594599d9b7e6beb7013a6e5972269486f70605fd8cc