[INFO] cloning repository https://github.com/youta1119/tachibana-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youta1119/tachibana-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouta1119%2Ftachibana-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouta1119%2Ftachibana-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a057220ac56123bb5350d7d7848a843c84293c25
[INFO] testing youta1119/tachibana-os against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouta1119%2Ftachibana-os" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youta1119/tachibana-os on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/youta1119/tachibana-os
[INFO] finished tweaking git repo https://github.com/youta1119/tachibana-os
[INFO] tweaked toml for git repo https://github.com/youta1119/tachibana-os written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/youta1119/tachibana-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98ee7674fbdd8d1c3cd72140e4c4db8a9f4132834c5fa0adb1c1cd0212e59cb
[INFO] running `Command { std: "docker" "start" "-a" "e98ee7674fbdd8d1c3cd72140e4c4db8a9f4132834c5fa0adb1c1cd0212e59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98ee7674fbdd8d1c3cd72140e4c4db8a9f4132834c5fa0adb1c1cd0212e59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98ee7674fbdd8d1c3cd72140e4c4db8a9f4132834c5fa0adb1c1cd0212e59cb", kill_on_drop: false }`
[INFO] [stdout] e98ee7674fbdd8d1c3cd72140e4c4db8a9f4132834c5fa0adb1c1cd0212e59cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da881150cd515c3c385f373f9671cbba8f28f5ae6067583b512434a5de2cead2
[INFO] running `Command { std: "docker" "start" "-a" "da881150cd515c3c385f373f9671cbba8f28f5ae6067583b512434a5de2cead2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.1.0 (/opt/rustwide/workdir/bootloader)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> bootloader/src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(abi_efiapi)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> bootloader/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> bootloader/src/efi.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         use core::fmt::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bootloader` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "da881150cd515c3c385f373f9671cbba8f28f5ae6067583b512434a5de2cead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da881150cd515c3c385f373f9671cbba8f28f5ae6067583b512434a5de2cead2", kill_on_drop: false }`
[INFO] [stdout] da881150cd515c3c385f373f9671cbba8f28f5ae6067583b512434a5de2cead2