[INFO] fetching crate riscv-rt 0.8.0...
[INFO] testing riscv-rt-0.8.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate riscv-rt 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate riscv-rt 0.8.0 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] started tweaking crates.io crate riscv-rt 0.8.0
[INFO] finished tweaking crates.io crate riscv-rt 0.8.0
[INFO] tweaked toml for crates.io crate riscv-rt 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate riscv-rt 0.8.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16c2e1b6f74ac78f176c4d3a6d1d1d6fa415287709364c9a457dccb05f594f1a
[INFO] running `Command { std: "docker" "start" "-a" "16c2e1b6f74ac78f176c4d3a6d1d1d6fa415287709364c9a457dccb05f594f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c2e1b6f74ac78f176c4d3a6d1d1d6fa415287709364c9a457dccb05f594f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c2e1b6f74ac78f176c4d3a6d1d1d6fa415287709364c9a457dccb05f594f1a", kill_on_drop: false }`
[INFO] [stdout] 16c2e1b6f74ac78f176c4d3a6d1d1d6fa415287709364c9a457dccb05f594f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 30d701eeecb9e5f85dbb634f2d24854b00f677fe10a179fb90d1ce76e7736be7
[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" "30d701eeecb9e5f85dbb634f2d24854b00f677fe10a179fb90d1ce76e7736be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bit_field v0.10.0
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling riscv-rt v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `Command { std: "docker" "inspect" "30d701eeecb9e5f85dbb634f2d24854b00f677fe10a179fb90d1ce76e7736be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d701eeecb9e5f85dbb634f2d24854b00f677fe10a179fb90d1ce76e7736be7", kill_on_drop: false }`
[INFO] [stdout] 30d701eeecb9e5f85dbb634f2d24854b00f677fe10a179fb90d1ce76e7736be7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520ea8fd407bf039dd9df6b2db7b38d6812b4670890573273f2823e8148422c4
[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" "520ea8fd407bf039dd9df6b2db7b38d6812b4670890573273f2823e8148422c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling riscv-rt v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-rt`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: entry symbol `main` declared multiple times
[INFO] [stdout]   |
[INFO] [stdout]   = help: did you use `#[no_mangle]` on `fn main`? Use `#[start]` instead
[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" "520ea8fd407bf039dd9df6b2db7b38d6812b4670890573273f2823e8148422c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520ea8fd407bf039dd9df6b2db7b38d6812b4670890573273f2823e8148422c4", kill_on_drop: false }`
[INFO] [stdout] 520ea8fd407bf039dd9df6b2db7b38d6812b4670890573273f2823e8148422c4
