Dec 06 12:48:59.140 INFO testing JosephFerano/rust_os against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 12:48:59.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 12:48:59.286 INFO [stdout] e0ed094d3c4c0f43e60876548e96d2c63bd72150250a057b3a6008568f3e5153
Dec 06 12:48:59.287 INFO running `"docker" "start" "-a" "e0ed094d3c4c0f43e60876548e96d2c63bd72150250a057b3a6008568f3e5153"`
Dec 06 12:48:59.694 INFO [stderr] usermod: no changes
Dec 06 12:48:59.721 INFO [stderr]    Compiling volatile v0.2.4
Dec 06 12:48:59.721 INFO [stderr]    Compiling multiboot2 v0.7.1
Dec 06 12:49:00.237 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Dec 06 12:49:00.413 INFO [stderr] warning: method is never used: `clear_screen`
Dec 06 12:49:00.413 INFO [stderr]    --> src/vga_buffer.rs:121:5
Dec 06 12:49:00.413 INFO [stderr]     |
Dec 06 12:49:00.413 INFO [stderr] 121 |     pub fn clear_screen(&mut self) {
Dec 06 12:49:00.413 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 12:49:00.413 INFO [stderr]     |
Dec 06 12:49:00.413 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 12:49:00.413 INFO [stderr] 
Dec 06 12:49:00.414 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 06 12:49:00.414 INFO [stderr]   --> src/lib.rs:25:9
Dec 06 12:49:00.414 INFO [stderr]    |
Dec 06 12:49:00.414 INFO [stderr] 25 | /         writeln!(writer, "    start: 0x{:x}, end: 0x{:x}, size: {:x}",
Dec 06 12:49:00.414 INFO [stderr] 26 | |             area.start_address(),
Dec 06 12:49:00.414 INFO [stderr] 27 | |             area.end_address(),
Dec 06 12:49:00.414 INFO [stderr] 28 | |             area.size());
Dec 06 12:49:00.414 INFO [stderr]    | |_________________________^
Dec 06 12:49:00.414 INFO [stderr]    |
Dec 06 12:49:00.414 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 12:49:00.414 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 12:49:00.414 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)
Dec 06 12:49:00.414 INFO [stderr] 
Dec 06 12:49:00.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 06 12:49:00.415 INFO [stderr]   --> src/lib.rs:36:9
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr] 36 | /         writeln!(writer, "    addr: 0x{:x}, size: 0x{:x}, flags: 0x{:x}",
Dec 06 12:49:00.415 INFO [stderr] 37 | |             section.start_address(),
Dec 06 12:49:00.415 INFO [stderr] 38 | |             section.size(),
Dec 06 12:49:00.415 INFO [stderr] 39 | |             section.flags());
Dec 06 12:49:00.415 INFO [stderr]    | |_____________________________^
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 12:49:00.415 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)
Dec 06 12:49:00.415 INFO [stderr] 
Dec 06 12:49:00.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 06 12:49:00.415 INFO [stderr]   --> src/lib.rs:48:5
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr] 48 |     writeln!(writer, "Kernel Start: 0x{:x}, Kernel End: 0x{:x}", kernel_start, kernel_end);
Dec 06 12:49:00.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 12:49:00.415 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)
Dec 06 12:49:00.415 INFO [stderr] 
Dec 06 12:49:00.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 06 12:49:00.415 INFO [stderr]   --> src/lib.rs:49:5
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr] 49 |     writeln!(writer, "Multiboot Start: 0x{:x}, Multiboot End: 0x{:x}", multiboot_start, multiboot_end);
Dec 06 12:49:00.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 12:49:00.415 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)
Dec 06 12:49:00.415 INFO [stderr] 
Dec 06 12:49:00.415 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 06 12:49:00.415 INFO [stderr]   --> src/lib.rs:68:5
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr] 68 |     writeln!(writer, "{}", info);
Dec 06 12:49:00.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 12:49:00.415 INFO [stderr]    |
Dec 06 12:49:00.415 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 12:49:00.415 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)
Dec 06 12:49:00.415 INFO [stderr] 
Dec 06 12:49:00.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 06 12:49:00.523 INFO [stderr] su: No module specific data is present
Dec 06 12:49:00.816 INFO running `"docker" "inspect" "e0ed094d3c4c0f43e60876548e96d2c63bd72150250a057b3a6008568f3e5153"`
Dec 06 12:49:00.903 INFO running `"docker" "rm" "-f" "e0ed094d3c4c0f43e60876548e96d2c63bd72150250a057b3a6008568f3e5153"`
Dec 06 12:49:01.017 INFO [stdout] e0ed094d3c4c0f43e60876548e96d2c63bd72150250a057b3a6008568f3e5153
Dec 06 12:49:01.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 12:49:01.163 INFO [stdout] 3eac551fed613eb37e95ab33f36073fc97d52acc270bcdf13c362222bfc5092c
Dec 06 12:49:01.165 INFO running `"docker" "start" "-a" "3eac551fed613eb37e95ab33f36073fc97d52acc270bcdf13c362222bfc5092c"`
Dec 06 12:49:01.760 INFO [stderr] usermod: no changes
Dec 06 12:49:01.797 INFO [stderr]    Compiling volatile v0.2.4
Dec 06 12:49:01.800 INFO [stderr]    Compiling multiboot2 v0.7.1
Dec 06 12:49:02.405 INFO [stderr]    Compiling first_os v0.1.0 (/source)
Dec 06 12:49:02.664 INFO [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
Dec 06 12:49:02.664 INFO [stderr]   --> src/lib.rs:63:1
Dec 06 12:49:02.664 INFO [stderr]    |
Dec 06 12:49:02.664 INFO [stderr] 63 | pub extern fn eh_personality() {}
Dec 06 12:49:02.664 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 12:49:02.664 INFO [stderr]    |
Dec 06 12:49:02.664 INFO [stderr]    = note: first defined in crate `panic_unwind`.
Dec 06 12:49:02.664 INFO [stderr] 
Dec 06 12:49:02.664 INFO [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
Dec 06 12:49:02.664 INFO [stderr]   --> src/lib.rs:66:1
Dec 06 12:49:02.664 INFO [stderr]    |
Dec 06 12:49:02.664 INFO [stderr] 66 | / pub extern fn panic(info : &PanicInfo) -> ! {
Dec 06 12:49:02.664 INFO [stderr] 67 | |     let mut writer = Writer::new();
Dec 06 12:49:02.664 INFO [stderr] 68 | |     writeln!(writer, "{}", info);
Dec 06 12:49:02.664 INFO [stderr] 69 | |     loop{}
Dec 06 12:49:02.664 INFO [stderr] 70 | | }
Dec 06 12:49:02.664 INFO [stderr]    | |_^
Dec 06 12:49:02.664 INFO [stderr]    |
Dec 06 12:49:02.664 INFO [stderr]    = note: first defined in crate `std`.
Dec 06 12:49:02.664 INFO [stderr] 
Dec 06 12:49:02.735 INFO [stderr] error: aborting due to 2 previous errors
Dec 06 12:49:02.735 INFO [stderr] 
Dec 06 12:49:02.735 INFO [stderr] For more information about this error, try `rustc --explain E0152`.
Dec 06 12:49:02.742 INFO [stderr] error: Could not compile `first_os`.
Dec 06 12:49:02.742 INFO [stderr] 
Dec 06 12:49:02.742 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 12:49:02.744 INFO [stderr] su: No module specific data is present
Dec 06 12:49:03.098 INFO running `"docker" "inspect" "3eac551fed613eb37e95ab33f36073fc97d52acc270bcdf13c362222bfc5092c"`
Dec 06 12:49:03.278 INFO running `"docker" "rm" "-f" "3eac551fed613eb37e95ab33f36073fc97d52acc270bcdf13c362222bfc5092c"`
Dec 06 12:49:03.410 INFO [stdout] 3eac551fed613eb37e95ab33f36073fc97d52acc270bcdf13c362222bfc5092c