[INFO] cloning repository https://github.com/tanmaysachan/rusty-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tanmaysachan/rusty-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmaysachan%2Frusty-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmaysachan%2Frusty-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 613d73330afbcf044227cbecb8624b866635d1d1
[INFO] checking tanmaysachan/rusty-os against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmaysachan%2Frusty-os" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tanmaysachan/rusty-os on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tanmaysachan/rusty-os
[INFO] finished tweaking git repo https://github.com/tanmaysachan/rusty-os
[INFO] tweaked toml for git repo https://github.com/tanmaysachan/rusty-os written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228c6fa66fcd64023d4b98e349fcc8f4008cfae3d7e24ce94c56639922899653
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "228c6fa66fcd64023d4b98e349fcc8f4008cfae3d7e24ce94c56639922899653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228c6fa66fcd64023d4b98e349fcc8f4008cfae3d7e24ce94c56639922899653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228c6fa66fcd64023d4b98e349fcc8f4008cfae3d7e24ce94c56639922899653", kill_on_drop: false }`
[INFO] [stdout] 228c6fa66fcd64023d4b98e349fcc8f4008cfae3d7e24ce94c56639922899653
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea937b0a9db1904de05a13f22b7a6144d1ebf46f93501073e0b0ca9e9d7c0c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ea937b0a9db1904de05a13f22b7a6144d1ebf46f93501073e0b0ca9e9d7c0c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.12.2
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking pic8259_simple v0.2.0
[INFO] [stderr]     Checking rusty_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sframe`
[INFO] [stdout]    --> src/interrupts/interrupt_handlers.rs:265:32
[INFO] [stdout]     |
[INFO] [stdout] 265 | extern "C" fn __hfn_timer_int (sframe: &ExceptionStackFrame) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sframe`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sframe`
[INFO] [stdout]    --> src/interrupts/interrupt_handlers.rs:273:35
[INFO] [stdout]     |
[INFO] [stdout] 273 | extern "C" fn __hfn_keyboard_int (sframe: &ExceptionStackFrame) {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sframe`
[INFO] [stdout]    --> src/interrupts/interrupt_handlers.rs:265:32
[INFO] [stdout]     |
[INFO] [stdout] 265 | extern "C" fn __hfn_timer_int (sframe: &ExceptionStackFrame) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sframe`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sframe`
[INFO] [stdout]    --> src/interrupts/interrupt_handlers.rs:273:35
[INFO] [stdout]     |
[INFO] [stdout] 273 | extern "C" fn __hfn_keyboard_int (sframe: &ExceptionStackFrame) {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/memory/frame_allocator.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         unsafe { FrameAllocatorNew { mmap, nframe: 0 } }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_present`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn set_present(&mut self, present: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disable_interrupts`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn disable_interrupts(&mut self, disable: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_privilege_level`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn set_privilege_level(&mut self, dpl: u16) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_stack_index`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn set_stack_index(&mut self, ind: u16) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modify_int_options`
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn modify_int_options(&mut self,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mut_table_active_l4`
[INFO] [stdout]  --> src/memory/paging.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn mut_table_active_l4(phys_offset: VirtAddr) -> &'static mut PageTable {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_map`
[INFO] [stdout]   --> src/memory/paging.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn init_map(phys_offset: VirtAddr) -> OffsetPageTable<'static> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/interrupts/interrupt_descriptor_table.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/interrupts/interrupt_descriptor_table.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if entry_no <= 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |         if entry_no <= 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/memory/frame_allocator.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         unsafe { FrameAllocatorNew { mmap, nframe: 0 } }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_present`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn set_present(&mut self, present: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disable_interrupts`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn disable_interrupts(&mut self, disable: bool) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_privilege_level`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn set_privilege_level(&mut self, dpl: u16) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_stack_index`
[INFO] [stdout]   --> src/interrupts/interrupt_descriptor_table.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn set_stack_index(&mut self, ind: u16) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modify_int_options`
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn modify_int_options(&mut self,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mut_table_active_l4`
[INFO] [stdout]  --> src/memory/paging.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn mut_table_active_l4(phys_offset: VirtAddr) -> &'static mut PageTable {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_map`
[INFO] [stdout]   --> src/memory/paging.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn init_map(phys_offset: VirtAddr) -> OffsetPageTable<'static> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/interrupts/interrupt_descriptor_table.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/interrupts/interrupt_descriptor_table.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |         if entry_no <= 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/interrupts/interrupt_descriptor_table.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |         if entry_no <= 255 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     print,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_os::utils`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rusty_os::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_os::memory`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rusty_os::memory;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_os`
[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] [stdout] warning: unused import: `print`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     print,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_os::utils`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rusty_os::utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_os::memory`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rusty_os::memory;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn panic_kern(err: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/430feb24a46993e5073c1bb1b39da190d83fa2bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7edd956e9d8d05ea.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rusty_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ea937b0a9db1904de05a13f22b7a6144d1ebf46f93501073e0b0ca9e9d7c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea937b0a9db1904de05a13f22b7a6144d1ebf46f93501073e0b0ca9e9d7c0c7", kill_on_drop: false }`
[INFO] [stdout] 6ea937b0a9db1904de05a13f22b7a6144d1ebf46f93501073e0b0ca9e9d7c0c7