[INFO] fetching crate riscv-minimal-rt 0.5.0...
[INFO] testing riscv-minimal-rt-0.5.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate riscv-minimal-rt 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate riscv-minimal-rt 0.5.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-minimal-rt-macros v0.1.5
[INFO] [stderr]   Downloaded riscv v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 033e99afc5f5a4d9df32c9d1fbb2e08e7ed3b4daebf001968d28deb30ce86411
[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" "033e99afc5f5a4d9df32c9d1fbb2e08e7ed3b4daebf001968d28deb30ce86411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "033e99afc5f5a4d9df32c9d1fbb2e08e7ed3b4daebf001968d28deb30ce86411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033e99afc5f5a4d9df32c9d1fbb2e08e7ed3b4daebf001968d28deb30ce86411", kill_on_drop: false }`
[INFO] [stdout] 033e99afc5f5a4d9df32c9d1fbb2e08e7ed3b4daebf001968d28deb30ce86411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e5b90f72e6e078338dc498da8c7f94fe5f02761d17f1b86985176e2b7f86f4
[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" "f2e5b90f72e6e078338dc498da8c7f94fe5f02761d17f1b86985176e2b7f86f4", 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 bit_field v0.9.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling riscv-minimal-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "f2e5b90f72e6e078338dc498da8c7f94fe5f02761d17f1b86985176e2b7f86f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e5b90f72e6e078338dc498da8c7f94fe5f02761d17f1b86985176e2b7f86f4", kill_on_drop: false }`
[INFO] [stdout] f2e5b90f72e6e078338dc498da8c7f94fe5f02761d17f1b86985176e2b7f86f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa441c352fca78d0b62b67d225b0b1fadf007693cd60e7d3959c04767bdcfd4
[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" "cfa441c352fca78d0b62b67d225b0b1fadf007693cd60e7d3959c04767bdcfd4", 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cfa441c352fca78d0b62b67d225b0b1fadf007693cd60e7d3959c04767bdcfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa441c352fca78d0b62b67d225b0b1fadf007693cd60e7d3959c04767bdcfd4", kill_on_drop: false }`
[INFO] [stdout] cfa441c352fca78d0b62b67d225b0b1fadf007693cd60e7d3959c04767bdcfd4
