[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] checking Sporious/Toy-Rust-OS against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2FToy-Rust-OS" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sporious/Toy-Rust-OS on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-7/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9265d51d43bce02f30de7d5287ce93354da70c2f46b10813075a68d87b1005ac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9265d51d43bce02f30de7d5287ce93354da70c2f46b10813075a68d87b1005ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9265d51d43bce02f30de7d5287ce93354da70c2f46b10813075a68d87b1005ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9265d51d43bce02f30de7d5287ce93354da70c2f46b10813075a68d87b1005ac", kill_on_drop: false }` [INFO] [stdout] 9265d51d43bce02f30de7d5287ce93354da70c2f46b10813075a68d87b1005ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25bcbd7a730fbf98cbcfc7946515d5c7da3b446a689fb3858856940ff18046b1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "25bcbd7a730fbf98cbcfc7946515d5c7da3b446a689fb3858856940ff18046b1", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] Compiling rpi_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking volatile v0.2.4 [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] [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[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | #[lang = "panic_fmt"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [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] [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 `eh_personality` [INFO] [stdout] --> src/lib.rs:46:1 [INFO] [stdout] | [INFO] [stdout] 46 | pub extern "C" fn eh_personality() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on) [INFO] [stdout] = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-dea899c54966188d.rlib [INFO] [stdout] = note: second definition in the local crate (`rpi_os`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> src/lib.rs:50:1 [INFO] [stdout] | [INFO] [stdout] 50 | #[lang = "panic_fmt"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0522`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rpi_os` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0152, E0522. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "25bcbd7a730fbf98cbcfc7946515d5c7da3b446a689fb3858856940ff18046b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25bcbd7a730fbf98cbcfc7946515d5c7da3b446a689fb3858856940ff18046b1", kill_on_drop: false }` [INFO] [stdout] 25bcbd7a730fbf98cbcfc7946515d5c7da3b446a689fb3858856940ff18046b1