[INFO] cloning repository https://github.com/Voodlaz/os_VGA_drivers_lesson_02
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Voodlaz/os_VGA_drivers_lesson_02" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoodlaz%2Fos_VGA_drivers_lesson_02", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoodlaz%2Fos_VGA_drivers_lesson_02'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cd22a9749a42c39b7ce8be7520bebff3b76913a
[INFO] testing Voodlaz/os_VGA_drivers_lesson_02 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoodlaz%2Fos_VGA_drivers_lesson_02" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Voodlaz/os_VGA_drivers_lesson_02 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-8/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Voodlaz/os_VGA_drivers_lesson_02
[INFO] finished tweaking git repo https://github.com/Voodlaz/os_VGA_drivers_lesson_02
[INFO] tweaked toml for git repo https://github.com/Voodlaz/os_VGA_drivers_lesson_02 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Voodlaz/os_VGA_drivers_lesson_02 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcff567a1579a01264f3d30f1082e2383f1ca451648dcf040f626dead862fd1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcff567a1579a01264f3d30f1082e2383f1ca451648dcf040f626dead862fd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcff567a1579a01264f3d30f1082e2383f1ca451648dcf040f626dead862fd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcff567a1579a01264f3d30f1082e2383f1ca451648dcf040f626dead862fd1e", kill_on_drop: false }`
[INFO] [stdout] dcff567a1579a01264f3d30f1082e2383f1ca451648dcf040f626dead862fd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740e1e9cdedb9f2cad878c11956e5af5342aadbad610b453d16a93c7fbb6cd6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "740e1e9cdedb9f2cad878c11956e5af5342aadbad610b453d16a93c7fbb6cd6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.8
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling rlibc v1.0.0
[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" "740e1e9cdedb9f2cad878c11956e5af5342aadbad610b453d16a93c7fbb6cd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740e1e9cdedb9f2cad878c11956e5af5342aadbad610b453d16a93c7fbb6cd6c", kill_on_drop: false }`
[INFO] [stdout] 740e1e9cdedb9f2cad878c11956e5af5342aadbad610b453d16a93c7fbb6cd6c