[INFO] cloning repository https://github.com/TQCasey/rcasey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TQCasey/rcasey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTQCasey%2Frcasey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTQCasey%2Frcasey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 331b309770ef5fad20de6db73bc5b4b6c28a52ea [INFO] checking TQCasey/rcasey against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTQCasey%2Frcasey" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/TQCasey/rcasey [INFO] finished tweaking git repo https://github.com/TQCasey/rcasey [INFO] tweaked toml for git repo https://github.com/TQCasey/rcasey written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/TQCasey/rcasey on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/TQCasey/rcasey already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded conquer-once v0.3.2 [INFO] [stderr] Downloaded font8x8 v0.3.1 [INFO] [stderr] Downloaded bootloader v0.9.20 [INFO] [stderr] Downloaded x86_64 v0.14.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10b086aff271c1be1725decc5b6e5fefeca09a238a222facb0355d89623ac6a0 [INFO] running `Command { std: "docker" "start" "-a" "10b086aff271c1be1725decc5b6e5fefeca09a238a222facb0355d89623ac6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10b086aff271c1be1725decc5b6e5fefeca09a238a222facb0355d89623ac6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10b086aff271c1be1725decc5b6e5fefeca09a238a222facb0355d89623ac6a0", kill_on_drop: false }` [INFO] [stdout] 10b086aff271c1be1725decc5b6e5fefeca09a238a222facb0355d89623ac6a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22149da20b1a94ff37f443536be4b415b94e6bed4237b6f3a7fe3e85c62fbbc6 [INFO] running `Command { std: "docker" "start" "-a" "22149da20b1a94ff37f443536be4b415b94e6bed4237b6f3a7fe3e85c62fbbc6", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling x86_64 v0.14.8 [INFO] [stderr] Compiling bootloader v0.9.20 [INFO] [stderr] Checking conquer-util v0.3.0 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Checking font8x8 v0.3.1 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking conquer-once v0.3.2 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking vga v0.2.7 (/opt/rustwide/workdir/vga) [INFO] [stdout] warning: associated function `cast` is never used [INFO] [stdout] --> vga/src/drawing/mod.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) trait SignedNum: Signed + Ord + Copy + NumCast + NumAssignOps { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 15 | fn cast(value: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `st00_read`, `st01_read_cga`, `st01_read_mda`, `fcr_read`, `fcr_write_cga`, and `fcr_write_mda` are never read [INFO] [stdout] --> vga/src/registers/general.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct GeneralRegisters { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 10 | st00_read: PortReadOnly, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | st01_read_cga: PortReadOnly, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 12 | st01_read_mda: PortReadOnly, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 13 | fcr_read: PortReadOnly, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 14 | fcr_write_cga: PortWriteOnly, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 15 | fcr_write_mda: PortWriteOnly, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GeneralRegisters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> vga/src/writers/mod.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | fn get_frame_buffer(&self) -> (SpinlockGuard, *mut ScreenCharacter) { [INFO] [stdout] | ^^^^^ ------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 73 | fn get_frame_buffer(&self) -> (SpinlockGuard<'_, Vga>, *mut ScreenCharacter) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rcaseyos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | / fn panic(_info: &PanicInfo) -> ! { [INFO] [stdout] 16 | | loop {} [INFO] [stdout] 17 | | } [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/b047d5f4496a7526d91d0dddea494c05853f2a7b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6e76fd4000f66c66.rlib [INFO] [stdout] = note: second definition in the local crate (`rcaseyos`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `llvm_asm` [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(llvm_asm)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rcaseyos` (bin "rcaseyos" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `vga_buffer` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let vga_buffer = 0xb8000 as *mut u8; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vga_buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rcaseyos` (bin "rcaseyos") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "22149da20b1a94ff37f443536be4b415b94e6bed4237b6f3a7fe3e85c62fbbc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22149da20b1a94ff37f443536be4b415b94e6bed4237b6f3a7fe3e85c62fbbc6", kill_on_drop: false }` [INFO] [stdout] 22149da20b1a94ff37f443536be4b415b94e6bed4237b6f3a7fe3e85c62fbbc6