[INFO] cloning repository https://github.com/lucis-fluxum/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucis-fluxum/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucis-fluxum%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucis-fluxum%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1558469a256b377e4a4132bc2c4d3d35931b5a1
[INFO] checking lucis-fluxum/os against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucis-fluxum%2Fos" "/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/lucis-fluxum/os on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lucis-fluxum/os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/lucis-fluxum/os
[INFO] tweaked toml for git repo https://github.com/lucis-fluxum/os written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lucis-fluxum/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f34af6e9dcd46dc363b57775c45fd53991ea1e2b9bd5d6943bbbb881666f68e
[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" "4f34af6e9dcd46dc363b57775c45fd53991ea1e2b9bd5d6943bbbb881666f68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f34af6e9dcd46dc363b57775c45fd53991ea1e2b9bd5d6943bbbb881666f68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f34af6e9dcd46dc363b57775c45fd53991ea1e2b9bd5d6943bbbb881666f68e", kill_on_drop: false }`
[INFO] [stdout] 4f34af6e9dcd46dc363b57775c45fd53991ea1e2b9bd5d6943bbbb881666f68e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4676e1c9582061d3ab5be5c07a9fece8ae4c04361e4c18ea2cb806fba3263e9
[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" "e4676e1c9582061d3ab5be5c07a9fece8ae4c04361e4c18ea2cb806fba3263e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking tinypci v0.1.0 (https://github.com/trashbyte/tinypci#f1afba83)
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking linked_list_allocator v0.9.0
[INFO] [stderr]     Checking ps2 v0.2.0 (https://github.com/lucis-fluxum/ps2-rs?tag=v0.2.0#7f3e01e6)
[INFO] [stderr]     Checking pic8259 v0.10.1
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e4676e1c9582061d3ab5be5c07a9fece8ae4c04361e4c18ea2cb806fba3263e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4676e1c9582061d3ab5be5c07a9fece8ae4c04361e4c18ea2cb806fba3263e9", kill_on_drop: false }`
[INFO] [stdout] e4676e1c9582061d3ab5be5c07a9fece8ae4c04361e4c18ea2cb806fba3263e9