[INFO] fetching crate seedstudio-gd32v 0.1.0...
[INFO] checking seedstudio-gd32v-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate seedstudio-gd32v 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate seedstudio-gd32v 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate seedstudio-gd32v 0.1.0
[INFO] finished tweaking crates.io crate seedstudio-gd32v 0.1.0
[INFO] tweaked toml for crates.io crate seedstudio-gd32v 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate seedstudio-gd32v 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded gd32vf103-pac v0.2.0
[INFO] [stderr]   Downloaded gd32vf103xx-hal v0.2.0
[INFO] [stderr]   Downloaded riscv-rt v0.6.1
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] [stderr]   Downloaded riscv-rt-macros v0.1.6
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76a68e3d65442b7f82ed9ff3de762e0cf00e942343465f4b751d3e5f26182c6
[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" "e76a68e3d65442b7f82ed9ff3de762e0cf00e942343465f4b751d3e5f26182c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76a68e3d65442b7f82ed9ff3de762e0cf00e942343465f4b751d3e5f26182c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76a68e3d65442b7f82ed9ff3de762e0cf00e942343465f4b751d3e5f26182c6", kill_on_drop: false }`
[INFO] [stdout] e76a68e3d65442b7f82ed9ff3de762e0cf00e942343465f4b751d3e5f26182c6
[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=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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8765557ba0de666c9a19e8911b6000512cfc121a35956c742e0fa637ec2ed2
[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" "2a8765557ba0de666c9a19e8911b6000512cfc121a35956c742e0fa637ec2ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling gd32vf103xx-hal v0.2.0
[INFO] [stderr]    Compiling riscv-rt v0.6.1
[INFO] [stderr]    Compiling seedstudio-gd32v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking gd32vf103-pac v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[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 `seedstudio-gd32v`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "2a8765557ba0de666c9a19e8911b6000512cfc121a35956c742e0fa637ec2ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8765557ba0de666c9a19e8911b6000512cfc121a35956c742e0fa637ec2ed2", kill_on_drop: false }`
[INFO] [stdout] 2a8765557ba0de666c9a19e8911b6000512cfc121a35956c742e0fa637ec2ed2