[INFO] cloning repository https://github.com/MambaDev/operating-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MambaDev/operating-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMambaDev%2Foperating-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMambaDev%2Foperating-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3543c656b0a198750c547bf13f750236fd03bae
[INFO] checking MambaDev/operating-system against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMambaDev%2Foperating-system" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MambaDev/operating-system on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/MambaDev/operating-system
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/MambaDev/operating-system
[INFO] tweaked toml for git repo https://github.com/MambaDev/operating-system written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MambaDev/operating-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.14
[INFO] [stderr]   Downloaded bootloader v0.9.17
[INFO] [stderr]   Downloaded x86_64 v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df96200ab76e336c4e6753a39fe58d5e0d0d7063dad56faf8763c8bddd7be80e
[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" "df96200ab76e336c4e6753a39fe58d5e0d0d7063dad56faf8763c8bddd7be80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df96200ab76e336c4e6753a39fe58d5e0d0d7063dad56faf8763c8bddd7be80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df96200ab76e336c4e6753a39fe58d5e0d0d7063dad56faf8763c8bddd7be80e", kill_on_drop: false }`
[INFO] [stdout] df96200ab76e336c4e6753a39fe58d5e0d0d7063dad56faf8763c8bddd7be80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4215816f7160a692d467a7e2485214eb0fadf1690a73c59d524566fef1cc6e93
[INFO] running `Command { std: "docker" "start" "-a" "4215816f7160a692d467a7e2485214eb0fadf1690a73c59d524566fef1cc6e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.2
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.9.17
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pic8259 v0.10.1
[INFO] [stderr]     Checking uart_16550 v0.2.14
[INFO] [stderr]     Checking operating-system 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 `operating-system` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4215816f7160a692d467a7e2485214eb0fadf1690a73c59d524566fef1cc6e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4215816f7160a692d467a7e2485214eb0fadf1690a73c59d524566fef1cc6e93", kill_on_drop: false }`
[INFO] [stdout] 4215816f7160a692d467a7e2485214eb0fadf1690a73c59d524566fef1cc6e93