[INFO] fetching crate riscv-minimal-rt 0.5.0...
[INFO] testing riscv-minimal-rt-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate riscv-minimal-rt 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate riscv-minimal-rt 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riscv-minimal-rt 0.5.0
[INFO] finished tweaking crates.io crate riscv-minimal-rt 0.5.0
[INFO] tweaked toml for crates.io crate riscv-minimal-rt 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded riscv v0.5.6
[INFO] [stderr]   Downloaded riscv-minimal-rt-macros v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55bb1edf83ccf1868e3f79e3d294df6e511af46295c7eb3fec2494fe7b5de442
[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" "55bb1edf83ccf1868e3f79e3d294df6e511af46295c7eb3fec2494fe7b5de442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55bb1edf83ccf1868e3f79e3d294df6e511af46295c7eb3fec2494fe7b5de442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bb1edf83ccf1868e3f79e3d294df6e511af46295c7eb3fec2494fe7b5de442", kill_on_drop: false }`
[INFO] [stdout] 55bb1edf83ccf1868e3f79e3d294df6e511af46295c7eb3fec2494fe7b5de442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89ce3ca528a61f5f8caf8f17797805222118a4c0463f02d6cd2d24ec55bd8e3
[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" "d89ce3ca528a61f5f8caf8f17797805222118a4c0463f02d6cd2d24ec55bd8e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.6
[INFO] [stderr]    Compiling riscv-minimal-rt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling riscv-minimal-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "d89ce3ca528a61f5f8caf8f17797805222118a4c0463f02d6cd2d24ec55bd8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89ce3ca528a61f5f8caf8f17797805222118a4c0463f02d6cd2d24ec55bd8e3", kill_on_drop: false }`
[INFO] [stdout] d89ce3ca528a61f5f8caf8f17797805222118a4c0463f02d6cd2d24ec55bd8e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2894dd86eb3dfdfed5c8ed273ca35fe96bac4d9e0a7e8fa660a6f51b8184e96c
[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" "2894dd86eb3dfdfed5c8ed273ca35fe96bac4d9e0a7e8fa660a6f51b8184e96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv-minimal-rt v0.5.0 (/opt/rustwide/workdir)
[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: could not compile `riscv-minimal-rt` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2894dd86eb3dfdfed5c8ed273ca35fe96bac4d9e0a7e8fa660a6f51b8184e96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2894dd86eb3dfdfed5c8ed273ca35fe96bac4d9e0a7e8fa660a6f51b8184e96c", kill_on_drop: false }`
[INFO] [stdout] 2894dd86eb3dfdfed5c8ed273ca35fe96bac4d9e0a7e8fa660a6f51b8184e96c