[INFO] cloning repository https://github.com/Kazurin-775/rust-os-on-riscv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kazurin-775/rust-os-on-riscv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Frust-os-on-riscv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Frust-os-on-riscv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3571b5ec88bdc49b0c63b0bd379f5dfdc539594b
[INFO] testing Kazurin-775/rust-os-on-riscv against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Frust-os-on-riscv" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kazurin-775/rust-os-on-riscv on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Kazurin-775/rust-os-on-riscv
[INFO] finished tweaking git repo https://github.com/Kazurin-775/rust-os-on-riscv
[INFO] tweaked toml for git repo https://github.com/Kazurin-775/rust-os-on-riscv written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Kazurin-775/rust-os-on-riscv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1726db36778d0e2863b622933819a54d1dcd3e7c41181af06c6a9cf31353b5af
[INFO] running `Command { std: "docker" "start" "-a" "1726db36778d0e2863b622933819a54d1dcd3e7c41181af06c6a9cf31353b5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1726db36778d0e2863b622933819a54d1dcd3e7c41181af06c6a9cf31353b5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1726db36778d0e2863b622933819a54d1dcd3e7c41181af06c6a9cf31353b5af", kill_on_drop: false }`
[INFO] [stdout] 1726db36778d0e2863b622933819a54d1dcd3e7c41181af06c6a9cf31353b5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47fc0fb8edd1b309ab85be9c0211cb61901f7e9c32cb6b2c584627ef12601f0
[INFO] running `Command { std: "docker" "start" "-a" "e47fc0fb8edd1b309ab85be9c0211cb61901f7e9c32cb6b2c584627ef12601f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-os-on-riscv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm, global_asm, naked_functions, panic_info_message)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         in("a7") eid,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a6`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         in("a6") fid,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         in("a0") arg0,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         in("a1") arg1,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         in("a2") arg2,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         lateout("a0") error,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> src/hw/sbi.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         lateout("a1") value,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-os-on-riscv` due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "e47fc0fb8edd1b309ab85be9c0211cb61901f7e9c32cb6b2c584627ef12601f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47fc0fb8edd1b309ab85be9c0211cb61901f7e9c32cb6b2c584627ef12601f0", kill_on_drop: false }`
[INFO] [stdout] e47fc0fb8edd1b309ab85be9c0211cb61901f7e9c32cb6b2c584627ef12601f0