[INFO] updating cached repository https://github.com/plutolove/SimpleOS
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0832d77b08310bde10e679869dd3b5b2dad46f97
[INFO] checking plutolove/SimpleOS against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2FSimpleOS" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plutolove/SimpleOS on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plutolove/SimpleOS
[INFO] finished tweaking git repo https://github.com/plutolove/SimpleOS
[INFO] tweaked toml for git repo https://github.com/plutolove/SimpleOS written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/plutolove/SimpleOS already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60a5273b33ccdf659d3f3d30c258817e5ea9310e92ecf1c887506ddef4fa8734
[INFO] running `"docker" "start" "-a" "60a5273b33ccdf659d3f3d30c258817e5ea9310e92ecf1c887506ddef4fa8734"`
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking x86_64 v0.3.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling bootloader v0.5.3
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking SimpleOS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vga/mod.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bootloader::BootInfo`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use bootloader::BootInfo;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use core::fmt::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Writer`
[INFO] [stderr]   --> src/main.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | use vga::{Color, Writer};
[INFO] [stderr]    |           ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stack_frame`
[INFO] [stderr]   --> src/interrupt/mod.rs:32:46
[INFO] [stderr]    |
[INFO] [stderr] 32 | extern "x86-interrupt" fn breakpoint_handler(stack_frame: &mut InterruptStackFrame) {
[INFO] [stderr]    |                                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `segment` is never read
[INFO] [stderr]   --> src/interrupt/interrupt_table.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut segment: u16 = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `SimpleOS` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `simple_os`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vga/mod.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bootloader::BootInfo`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use bootloader::BootInfo;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt::Write`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use core::fmt::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Writer`
[INFO] [stderr]   --> src/main.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | use vga::{Color, Writer};
[INFO] [stderr]    |           ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 20 | |     loop {}
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `SimpleOS`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "60a5273b33ccdf659d3f3d30c258817e5ea9310e92ecf1c887506ddef4fa8734"`
[INFO] running `"docker" "rm" "-f" "60a5273b33ccdf659d3f3d30c258817e5ea9310e92ecf1c887506ddef4fa8734"`
[INFO] [stdout] 60a5273b33ccdf659d3f3d30c258817e5ea9310e92ecf1c887506ddef4fa8734
