[INFO] cloning repository https://github.com/Sporious/Toy-Rust-OS [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sporious/Toy-Rust-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2FToy-Rust-OS", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2FToy-Rust-OS'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f1ed894f7f5810e7e14b34d04bc263dea06b621 [INFO] testing Sporious/Toy-Rust-OS against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2FToy-Rust-OS" "/workspace/builds/worker-60/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sporious/Toy-Rust-OS on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Sporious/Toy-Rust-OS [INFO] finished tweaking git repo https://github.com/Sporious/Toy-Rust-OS [INFO] tweaked toml for git repo https://github.com/Sporious/Toy-Rust-OS written to /workspace/builds/worker-60/source/Cargo.toml [INFO] crate git repo https://github.com/Sporious/Toy-Rust-OS already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [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 volatile v0.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d489e59ce1e15f52aba373ea00fafa0001042965c2656511cc898c1bd97c661 [INFO] running `Command { std: "docker" "start" "-a" "7d489e59ce1e15f52aba373ea00fafa0001042965c2656511cc898c1bd97c661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d489e59ce1e15f52aba373ea00fafa0001042965c2656511cc898c1bd97c661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d489e59ce1e15f52aba373ea00fafa0001042965c2656511cc898c1bd97c661", kill_on_drop: false }` [INFO] [stdout] 7d489e59ce1e15f52aba373ea00fafa0001042965c2656511cc898c1bd97c661 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7fa011071d3afa5962ddef6f198b10c071d215cbb62cbe1bdfeb2b2515f0e7c [INFO] running `Command { std: "docker" "start" "-a" "b7fa011071d3afa5962ddef6f198b10c071d215cbb62cbe1bdfeb2b2515f0e7c", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rpi_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rlibc v1.0.0 [INFO] [stderr] Compiling volatile v0.2.4 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:69 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(compiler_builtins_lib, lang_items, asm, pointer_methods, const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Iterator` [INFO] [stdout] --> src/stdio.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use core::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/stdio.rs:84:37 [INFO] [stdout] | [INFO] [stdout] 84 | stdioback.guard_out = true; ///Lock the mutex [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 85 | Stdio { stdioback } [INFO] [stdout] | ------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ReadOnly`, `WriteOnly` [INFO] [stdout] --> src/uart.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use volatile::{ReadOnly, ReadWrite, Volatile, WriteOnly}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::sync::atomic::AtomicBool` [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use core::sync::atomic::AtomicBool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt` [INFO] [stdout] --> src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | pub extern "C" fn panic_fmt(args: core::fmt::Arguments, _: &(&'static str, u32)) -> ! { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `rpi_os` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib [INFO] [stdout] = note: second definition in the local crate (`rpi_os`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rpi_os` due to 4 previous errors; 4 warnings emitted [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0152, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b7fa011071d3afa5962ddef6f198b10c071d215cbb62cbe1bdfeb2b2515f0e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7fa011071d3afa5962ddef6f198b10c071d215cbb62cbe1bdfeb2b2515f0e7c", kill_on_drop: false }` [INFO] [stdout] b7fa011071d3afa5962ddef6f198b10c071d215cbb62cbe1bdfeb2b2515f0e7c