[INFO] cloning repository https://github.com/fpetrovicc/fOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fpetrovicc/fOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpetrovicc%2FfOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpetrovicc%2FfOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c52b7b79c47ec707fd3c3a5e61e81f1400e6941
[INFO] testing fpetrovicc/fOS against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpetrovicc%2FfOS" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fpetrovicc/fOS on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fpetrovicc/fOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/fpetrovicc/fOS
[INFO] tweaked toml for git repo https://github.com/fpetrovicc/fOS written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/fpetrovicc/fOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c648f66aab83c1e29a669928385fb38eefad45d30cb8844f963a49db5355d2b
[INFO] running `Command { std: "docker" "start" "-a" "4c648f66aab83c1e29a669928385fb38eefad45d30cb8844f963a49db5355d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c648f66aab83c1e29a669928385fb38eefad45d30cb8844f963a49db5355d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c648f66aab83c1e29a669928385fb38eefad45d30cb8844f963a49db5355d2b", kill_on_drop: false }`
[INFO] [stdout] 4c648f66aab83c1e29a669928385fb38eefad45d30cb8844f963a49db5355d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7d84d72f99e483248d830fe6072ea2dce2f773ca1e637c0b99b5817e74af102
[INFO] running `Command { std: "docker" "start" "-a" "b7d84d72f99e483248d830fe6072ea2dce2f773ca1e637c0b99b5817e74af102", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling x86_64 v0.14.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[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 f_os v0.0.4 (/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 `f_os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b7d84d72f99e483248d830fe6072ea2dce2f773ca1e637c0b99b5817e74af102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d84d72f99e483248d830fe6072ea2dce2f773ca1e637c0b99b5817e74af102", kill_on_drop: false }`
[INFO] [stdout] b7d84d72f99e483248d830fe6072ea2dce2f773ca1e637c0b99b5817e74af102