[INFO] cloning repository https://github.com/PizzasBear/mxos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PizzasBear/mxos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzasBear%2Fmxos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzasBear%2Fmxos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37596519e8baee4aba8e7aa71c2506333be8520f
[INFO] testing PizzasBear/mxos against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzasBear%2Fmxos" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PizzasBear/mxos on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-46/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-46/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/PizzasBear/mxos
[INFO] finished tweaking git repo https://github.com/PizzasBear/mxos
[INFO] tweaked toml for git repo https://github.com/PizzasBear/mxos written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/PizzasBear/mxos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded multiboot2 v0.12.2
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded uart_16550 v0.2.15
[INFO] [stderr]   Downloaded x86_64 v0.14.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f259954fb8646acd86d7d1e8a113a96a95a8d7b6f69d9b2a70c882660a1e65
[INFO] running `Command { std: "docker" "start" "-a" "89f259954fb8646acd86d7d1e8a113a96a95a8d7b6f69d9b2a70c882660a1e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f259954fb8646acd86d7d1e8a113a96a95a8d7b6f69d9b2a70c882660a1e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f259954fb8646acd86d7d1e8a113a96a95a8d7b6f69d9b2a70c882660a1e65", kill_on_drop: false }`
[INFO] [stdout] 89f259954fb8646acd86d7d1e8a113a96a95a8d7b6f69d9b2a70c882660a1e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa9d5769ee4fd5988a41704cfe63a8f30e818b75b64f9219408e16c4ba944704
[INFO] running `Command { std: "docker" "start" "-a" "aa9d5769ee4fd5988a41704cfe63a8f30e818b75b64f9219408e16c4ba944704", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling multiboot2 v0.12.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling mxos 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 `mxos` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa9d5769ee4fd5988a41704cfe63a8f30e818b75b64f9219408e16c4ba944704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9d5769ee4fd5988a41704cfe63a8f30e818b75b64f9219408e16c4ba944704", kill_on_drop: false }`
[INFO] [stdout] aa9d5769ee4fd5988a41704cfe63a8f30e818b75b64f9219408e16c4ba944704