[INFO] crate picorv32-rt 0.5.3 is already in cache
[INFO] testing picorv32-rt-0.5.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate picorv32-rt 0.5.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate picorv32-rt 0.5.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3518352955f5c600ec5a8614e1e22fae4d2a65e2b8cfe185c980e641ff2d1204
[INFO] running `"docker" "start" "-a" "3518352955f5c600ec5a8614e1e22fae4d2a65e2b8cfe185c980e641ff2d1204"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling picorv32-rt v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling r0 v0.2.2
[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 riscv v0.5.4
[INFO] [stderr]    Compiling picorv32-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `"docker" "inspect" "3518352955f5c600ec5a8614e1e22fae4d2a65e2b8cfe185c980e641ff2d1204"`
[INFO] running `"docker" "rm" "-f" "3518352955f5c600ec5a8614e1e22fae4d2a65e2b8cfe185c980e641ff2d1204"`
[INFO] [stdout] 3518352955f5c600ec5a8614e1e22fae4d2a65e2b8cfe185c980e641ff2d1204
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39cdf694b1f046ec6881fa2b35dcda58f78483b879c9e994f609b805b70cddbb
[INFO] running `"docker" "start" "-a" "39cdf694b1f046ec6881fa2b35dcda58f78483b879c9e994f609b805b70cddbb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling picorv32-rt v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: entry symbol `main` declared multiple times
[INFO] [stderr]   |
[INFO] [stderr]   = help: did you use `#[no_mangle]` on `fn main`? Use `#[start]` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `picorv32-rt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "39cdf694b1f046ec6881fa2b35dcda58f78483b879c9e994f609b805b70cddbb"`
[INFO] running `"docker" "rm" "-f" "39cdf694b1f046ec6881fa2b35dcda58f78483b879c9e994f609b805b70cddbb"`
[INFO] [stdout] 39cdf694b1f046ec6881fa2b35dcda58f78483b879c9e994f609b805b70cddbb