[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouta1119%2Ftachibana-os" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youta1119/tachibana-os on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-96/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-96/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-96/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 402eecf0c0f538ff0aacf216e0c9f5280c553a38828cbf319c5886e0ac0da279
[INFO] running `Command { std: "docker" "start" "-a" "402eecf0c0f538ff0aacf216e0c9f5280c553a38828cbf319c5886e0ac0da279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402eecf0c0f538ff0aacf216e0c9f5280c553a38828cbf319c5886e0ac0da279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402eecf0c0f538ff0aacf216e0c9f5280c553a38828cbf319c5886e0ac0da279", kill_on_drop: false }`
[INFO] [stdout] 402eecf0c0f538ff0aacf216e0c9f5280c553a38828cbf319c5886e0ac0da279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68603072fefb031a09868169871f073f9f3e89e37abd0285ab60c43e5b5a8166
[INFO] running `Command { std: "docker" "start" "-a" "68603072fefb031a09868169871f073f9f3e89e37abd0285ab60c43e5b5a8166", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bootloader v0.1.0 (/opt/rustwide/workdir/bootloader)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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 stable 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" "68603072fefb031a09868169871f073f9f3e89e37abd0285ab60c43e5b5a8166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68603072fefb031a09868169871f073f9f3e89e37abd0285ab60c43e5b5a8166", kill_on_drop: false }`
[INFO] [stdout] 68603072fefb031a09868169871f073f9f3e89e37abd0285ab60c43e5b5a8166