[INFO] fetching crate picorv32-rt 0.5.3...
[INFO] testing picorv32-rt-0.5.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate picorv32-rt 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate picorv32-rt 0.5.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picorv32-rt 0.5.3
[INFO] finished tweaking crates.io crate picorv32-rt 0.5.3
[INFO] tweaked toml for crates.io crate picorv32-rt 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded picorv32-rt-macros v0.1.5
[INFO] [stderr]   Downloaded picorv32 v0.1.3
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f7bd713a6df5771b828e0b5ed70c52de22ef709c5f0f6844ea1dc74031b9e2
[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" "12f7bd713a6df5771b828e0b5ed70c52de22ef709c5f0f6844ea1dc74031b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f7bd713a6df5771b828e0b5ed70c52de22ef709c5f0f6844ea1dc74031b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f7bd713a6df5771b828e0b5ed70c52de22ef709c5f0f6844ea1dc74031b9e2", kill_on_drop: false }`
[INFO] [stdout] 12f7bd713a6df5771b828e0b5ed70c52de22ef709c5f0f6844ea1dc74031b9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] c2efe4cfb3c5b2075caa35123c88a913256a9281628f0753ecdead8b59957662
[INFO] running `Command { std: "docker" "start" "-a" "c2efe4cfb3c5b2075caa35123c88a913256a9281628f0753ecdead8b59957662", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling picorv32-rt v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling picorv32 v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling picorv32-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "c2efe4cfb3c5b2075caa35123c88a913256a9281628f0753ecdead8b59957662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2efe4cfb3c5b2075caa35123c88a913256a9281628f0753ecdead8b59957662", kill_on_drop: false }`
[INFO] [stdout] c2efe4cfb3c5b2075caa35123c88a913256a9281628f0753ecdead8b59957662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] dcbacee33e15af7832ead08171c99550f6a02d05f6e8ba4d46b2ddf1f663b457
[INFO] running `Command { std: "docker" "start" "-a" "dcbacee33e15af7832ead08171c99550f6a02d05f6e8ba4d46b2ddf1f663b457", kill_on_drop: false }`
[INFO] [stderr]    Compiling picorv32-rt v0.5.3 (/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 `picorv32-rt` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dcbacee33e15af7832ead08171c99550f6a02d05f6e8ba4d46b2ddf1f663b457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbacee33e15af7832ead08171c99550f6a02d05f6e8ba4d46b2ddf1f663b457", kill_on_drop: false }`
[INFO] [stdout] dcbacee33e15af7832ead08171c99550f6a02d05f6e8ba4d46b2ddf1f663b457