[INFO] cloning repository https://github.com/pdx-cs-rust/nanoball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdx-cs-rust/nanoball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdx-cs-rust%2Fnanoball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdx-cs-rust%2Fnanoball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc4ae7c36c458874468df6ca8629256271e77c1a
[INFO] testing pdx-cs-rust/nanoball against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdx-cs-rust%2Fnanoball" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pdx-cs-rust/nanoball on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pdx-cs-rust/nanoball
[INFO] finished tweaking git repo https://github.com/pdx-cs-rust/nanoball
[INFO] tweaked toml for git repo https://github.com/pdx-cs-rust/nanoball written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/pdx-cs-rust/nanoball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45b10ef0a656cd73f87512953a7ccbdb7b3ea1c1fda37f2d746ebdc636a841d
[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" "d45b10ef0a656cd73f87512953a7ccbdb7b3ea1c1fda37f2d746ebdc636a841d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45b10ef0a656cd73f87512953a7ccbdb7b3ea1c1fda37f2d746ebdc636a841d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45b10ef0a656cd73f87512953a7ccbdb7b3ea1c1fda37f2d746ebdc636a841d", kill_on_drop: false }`
[INFO] [stdout] d45b10ef0a656cd73f87512953a7ccbdb7b3ea1c1fda37f2d746ebdc636a841d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58e94126eabeacc0c80384454693d43d1854e74c050face81408098c6116780
[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" "c58e94126eabeacc0c80384454693d43d1854e74c050face81408098c6116780", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling gd32vf103xx-hal v0.2.3
[INFO] [stderr]    Compiling riscv-rt v0.6.1
[INFO] [stderr]    Compiling longan-nano v0.1.1
[INFO] [stderr]    Compiling embedded-graphics v0.5.2
[INFO] [stderr]    Compiling nanoball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling gd32vf103-pac v0.2.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]    Compiling st7735-lcd v0.6.3
[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 `nanoball`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c58e94126eabeacc0c80384454693d43d1854e74c050face81408098c6116780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58e94126eabeacc0c80384454693d43d1854e74c050face81408098c6116780", kill_on_drop: false }`
[INFO] [stdout] c58e94126eabeacc0c80384454693d43d1854e74c050face81408098c6116780