[INFO] cloning repository https://github.com/jamesmunns/kuma-collar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesmunns/kuma-collar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmunns%2Fkuma-collar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmunns%2Fkuma-collar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf1ca4c4575018e8b0bac4416053e1c2f1e324d8
[INFO] testing jamesmunns/kuma-collar against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmunns%2Fkuma-collar" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesmunns/kuma-collar on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jamesmunns/kuma-collar
[INFO] finished tweaking git repo https://github.com/jamesmunns/kuma-collar
[INFO] tweaked toml for git repo https://github.com/jamesmunns/kuma-collar written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesmunns/kuma-collar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab5eee4ddf5c386d43c2d8fb570b83cba0c895e667f38df5939750665104c70
[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" "dab5eee4ddf5c386d43c2d8fb570b83cba0c895e667f38df5939750665104c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab5eee4ddf5c386d43c2d8fb570b83cba0c895e667f38df5939750665104c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab5eee4ddf5c386d43c2d8fb570b83cba0c895e667f38df5939750665104c70", kill_on_drop: false }`
[INFO] [stdout] dab5eee4ddf5c386d43c2d8fb570b83cba0c895e667f38df5939750665104c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d4fcad15fbbda3995ce4c584a211b6f2c0a43d5520117490e27a1d6d5bb51b
[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" "a6d4fcad15fbbda3995ce4c584a211b6f2c0a43d5520117490e27a1d6d5bb51b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling rgb v0.8.20
[INFO] [stderr]    Compiling smart-leds-trait v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling smart-leds v0.3.0
[INFO] [stderr]    Compiling ws2812-spi v0.3.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rtt-target v0.2.0
[INFO] [stderr]    Compiling panic-reset v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling stm32f4xx-hal v0.8.3
[INFO] [stderr]    Compiling kuma 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 `kuma`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a6d4fcad15fbbda3995ce4c584a211b6f2c0a43d5520117490e27a1d6d5bb51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d4fcad15fbbda3995ce4c584a211b6f2c0a43d5520117490e27a1d6d5bb51b", kill_on_drop: false }`
[INFO] [stdout] a6d4fcad15fbbda3995ce4c584a211b6f2c0a43d5520117490e27a1d6d5bb51b
