[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 beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexp-3%2Fruspberry_os" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exp-3/ruspberry_os on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-4/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9b7945de89166fc7ad453dc457b15cb073fc0a629ba2e55cd5ba5cdc794abf4
[INFO] running `Command { std: "docker" "start" "-a" "e9b7945de89166fc7ad453dc457b15cb073fc0a629ba2e55cd5ba5cdc794abf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b7945de89166fc7ad453dc457b15cb073fc0a629ba2e55cd5ba5cdc794abf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b7945de89166fc7ad453dc457b15cb073fc0a629ba2e55cd5ba5cdc794abf4", kill_on_drop: false }`
[INFO] [stdout] e9b7945de89166fc7ad453dc457b15cb073fc0a629ba2e55cd5ba5cdc794abf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f8561600300c43949a2c9e8381c989e5535edbc16d3be94ffb7296c6b1710b
[INFO] running `Command { std: "docker" "start" "-a" "67f8561600300c43949a2c9e8381c989e5535edbc16d3be94ffb7296c6b1710b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruspberry_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stdout]  --> src/runtime.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[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] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0522, E0554, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0522`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspberry_os` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "67f8561600300c43949a2c9e8381c989e5535edbc16d3be94ffb7296c6b1710b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f8561600300c43949a2c9e8381c989e5535edbc16d3be94ffb7296c6b1710b", kill_on_drop: false }`
[INFO] [stdout] 67f8561600300c43949a2c9e8381c989e5535edbc16d3be94ffb7296c6b1710b
