[INFO] updating cached repository plutolove/SimpleOS [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/plutolove/SimpleOS [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/plutolove/SimpleOS" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/plutolove/SimpleOS"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/plutolove/SimpleOS'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/plutolove/SimpleOS" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/plutolove/SimpleOS"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/plutolove/SimpleOS'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0832d77b08310bde10e679869dd3b5b2dad46f97 [INFO] sha for GitHub repo plutolove/SimpleOS: 0832d77b08310bde10e679869dd3b5b2dad46f97 [INFO] validating manifest of plutolove/SimpleOS on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of plutolove/SimpleOS on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing plutolove/SimpleOS [INFO] finished frobbing plutolove/SimpleOS [INFO] frobbed toml for plutolove/SimpleOS written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/plutolove/SimpleOS/Cargo.toml [INFO] started frobbing plutolove/SimpleOS [INFO] finished frobbing plutolove/SimpleOS [INFO] frobbed toml for plutolove/SimpleOS written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/plutolove/SimpleOS/Cargo.toml [INFO] crate plutolove/SimpleOS already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking plutolove/SimpleOS against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/plutolove/SimpleOS:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 27dcf593b7d9c354690978a432b4fc85bc7163dd649a55e76e8772db58385214 [INFO] running `"docker" "start" "-a" "27dcf593b7d9c354690978a432b4fc85bc7163dd649a55e76e8772db58385214"` [INFO] [stderr] Checking SimpleOS v0.1.0 (/opt/crater/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: consider prefixing 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: `...` 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]: duplicate lang item found: `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: first defined in crate `std`. [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] 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" "27dcf593b7d9c354690978a432b4fc85bc7163dd649a55e76e8772db58385214"` [INFO] running `"docker" "rm" "-f" "27dcf593b7d9c354690978a432b4fc85bc7163dd649a55e76e8772db58385214"` [INFO] [stdout] 27dcf593b7d9c354690978a432b4fc85bc7163dd649a55e76e8772db58385214