[INFO] updating cached repository Adrijaned/OS
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Adrijaned/OS
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Adrijaned/OS" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Adrijaned/OS"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Adrijaned/OS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Adrijaned/OS" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Adrijaned/OS"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Adrijaned/OS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c9e7760b743b0b1c57574409088f5c76e3714c3
[INFO] sha for GitHub repo Adrijaned/OS: 1c9e7760b743b0b1c57574409088f5c76e3714c3
[INFO] validating manifest of Adrijaned/OS 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 Adrijaned/OS 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 Adrijaned/OS
[INFO] finished frobbing Adrijaned/OS
[INFO] frobbed toml for Adrijaned/OS written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Adrijaned/OS/Cargo.toml
[INFO] started frobbing Adrijaned/OS
[INFO] finished frobbing Adrijaned/OS
[INFO] frobbed toml for Adrijaned/OS written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Adrijaned/OS/Cargo.toml
[INFO] crate Adrijaned/OS 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 Adrijaned/OS against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Adrijaned/OS:/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] b343a374a8cedb55bafd9f89f57a9515bc54c3b7da26c36f0c7d33d4f2ff43cf
[INFO] running `"docker" "start" "-a" "b343a374a8cedb55bafd9f89f57a9515bc54c3b7da26c36f0c7d33d4f2ff43cf"`
[INFO] [stderr]     Checking adrij_os_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/io/mod.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |             33...126 => {
[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: `RAlt`
[INFO] [stderr]  --> src/interrupts/keyboard/keymap.rs:2:93
[INFO] [stderr]   |
[INFO] [stderr] 2 | use interrupts::keyboard::keymap::ModifierKeyValues::{Escape, Enter, LCtrl, LShift, RShift, RAlt, LAlt};
[INFO] [stderr]   |                                                                                             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub unsafe extern fn rust_main(idt: *mut interrupts::IdtEntry, ebx: *const bootloader::Multiboot1Structure, eax: u32) {
[INFO] [stderr]    | --------------------------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stderr] ...
[INFO] [stderr] 42 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `BUFFER`
[INFO] [stderr]  --> src/io/input_buffer.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | static mut BUFFER: [char; 128] = [0 as char; 128];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_irq_flag`
[INFO] [stderr]   --> src/interrupts/pic.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub unsafe fn set_irq_flag(irq: u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clear_irq_flag`
[INFO] [stderr]   --> src/interrupts/pic.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub unsafe fn clear_irq_flag(irq: u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RCtrl`
[INFO] [stderr]   --> src/interrupts/keyboard/keymap.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     RCtrl,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RAlt`
[INFO] [stderr]   --> src/interrupts/keyboard/keymap.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     RAlt
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/io/mod.rs:62:15
[INFO] [stderr]    |
[INFO] [stderr] 62 |             33...126 => {
[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: `RAlt`
[INFO] [stderr]  --> src/interrupts/keyboard/keymap.rs:2:93
[INFO] [stderr]   |
[INFO] [stderr] 2 | use interrupts::keyboard::keymap::ModifierKeyValues::{Escape, Enter, LCtrl, LShift, RShift, RAlt, LAlt};
[INFO] [stderr]   |                                                                                             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
[INFO] [stderr]   --> src/lib.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub extern fn eh_personality() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `panic_unwind`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/lib.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub extern fn panic_fmt(_info: &PanicInfo) -> ! { loop {} }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: Could not compile `adrij_os_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b343a374a8cedb55bafd9f89f57a9515bc54c3b7da26c36f0c7d33d4f2ff43cf"`
[INFO] running `"docker" "rm" "-f" "b343a374a8cedb55bafd9f89f57a9515bc54c3b7da26c36f0c7d33d4f2ff43cf"`
[INFO] [stdout] b343a374a8cedb55bafd9f89f57a9515bc54c3b7da26c36f0c7d33d4f2ff43cf