[INFO] cloning repository https://github.com/rasad2k/Rust_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rasad2k/Rust_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasad2k%2FRust_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasad2k%2FRust_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf9172c3eed47113a422e6efa5a22f3b340da77a
[INFO] testing rasad2k/Rust_OS against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frasad2k%2FRust_OS" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rasad2k/Rust_OS on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-107/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rasad2k/Rust_OS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/rasad2k/Rust_OS
[INFO] tweaked toml for git repo https://github.com/rasad2k/Rust_OS written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/rasad2k/Rust_OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46107d685fcd070867f0ad8f0d468ac96135bb5a5af542a9bbb41184b9e3d866
[INFO] running `Command { std: "docker" "start" "-a" "46107d685fcd070867f0ad8f0d468ac96135bb5a5af542a9bbb41184b9e3d866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46107d685fcd070867f0ad8f0d468ac96135bb5a5af542a9bbb41184b9e3d866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46107d685fcd070867f0ad8f0d468ac96135bb5a5af542a9bbb41184b9e3d866", kill_on_drop: false }`
[INFO] [stdout] 46107d685fcd070867f0ad8f0d468ac96135bb5a5af542a9bbb41184b9e3d866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84027c520d96878fe507a1d4c56b78b17e4db096ab91d136a8ba2136915afd50
[INFO] running `Command { std: "docker" "start" "-a" "84027c520d96878fe507a1d4c56b78b17e4db096ab91d136a8ba2136915afd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "84027c520d96878fe507a1d4c56b78b17e4db096ab91d136a8ba2136915afd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84027c520d96878fe507a1d4c56b78b17e4db096ab91d136a8ba2136915afd50", kill_on_drop: false }`
[INFO] [stdout] 84027c520d96878fe507a1d4c56b78b17e4db096ab91d136a8ba2136915afd50