[INFO] cloning repository https://github.com/exp-3/ruspberry_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exp-3/ruspberry_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexp-3%2Fruspberry_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexp-3%2Fruspberry_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f48e6b248d166976b1c345c3ba327d485f2b077f
[INFO] testing exp-3/ruspberry_os against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexp-3%2Fruspberry_os" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exp-3/ruspberry_os on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exp-3/ruspberry_os
[INFO] finished tweaking git repo https://github.com/exp-3/ruspberry_os
[INFO] tweaked toml for git repo https://github.com/exp-3/ruspberry_os written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/exp-3/ruspberry_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c85fb38b6e4764d71d245c44404d44a731d89b9216e1a794cb5b4d09ac0c14
[INFO] running `Command { std: "docker" "start" "-a" "d4c85fb38b6e4764d71d245c44404d44a731d89b9216e1a794cb5b4d09ac0c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c85fb38b6e4764d71d245c44404d44a731d89b9216e1a794cb5b4d09ac0c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c85fb38b6e4764d71d245c44404d44a731d89b9216e1a794cb5b4d09ac0c14", kill_on_drop: false }`
[INFO] [stdout] d4c85fb38b6e4764d71d245c44404d44a731d89b9216e1a794cb5b4d09ac0c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfbe688c550e32b1fadf65d7c92d59b3371dc62e3cff0f90520504409f3aa99d
[INFO] running `Command { std: "docker" "start" "-a" "cfbe688c550e32b1fadf65d7c92d59b3371dc62e3cff0f90520504409f3aa99d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruspberry_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/periph_driver/timer.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unsafe {asm!("");}
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm, core_intrinsics, lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/periph_driver/timer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     (chi << 32 | clo)
[INFO] [stdout]    |     ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     (chi << 32 | clo)
[INFO] [stdout] 16 +     chi << 32 | clo
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `ruspberry_os`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(asm, core_intrinsics, lang_items)]
[INFO] [stdout] 2  | | #![no_std]
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | #![crate_type="staticlib"]
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | | #[no_mangle]
[INFO] [stdout] 21 | | pub unsafe fn __aeabi_unwind_cpp_pr0() {loop{}}
[INFO] [stdout]    | |_______________________________________________^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]  --> src/runtime.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn panic_fmt(_fmt: &core::fmt::Arguments, _file_line: &(&'static str, usize)) -> !
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `core` (which `ruspberry_os` depends on)
[INFO] [stdout]   = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib
[INFO] [stdout]   = note: second definition in the local crate (`ruspberry_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspberry_os` due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cfbe688c550e32b1fadf65d7c92d59b3371dc62e3cff0f90520504409f3aa99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbe688c550e32b1fadf65d7c92d59b3371dc62e3cff0f90520504409f3aa99d", kill_on_drop: false }`
[INFO] [stdout] cfbe688c550e32b1fadf65d7c92d59b3371dc62e3cff0f90520504409f3aa99d