[INFO] fetching crate picorv32-rt 0.5.3...
[INFO] testing picorv32-rt-0.5.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate picorv32-rt 0.5.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate picorv32-rt 0.5.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded picorv32 v0.1.3
[INFO] [stderr]   Downloaded picorv32-rt-macros v0.1.5
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89e34c652b37f78deff511528cdbfacf5ea5d2cf62640b0d4db2055162b3ba8
[INFO] running `Command { std: "docker" "start" "-a" "b89e34c652b37f78deff511528cdbfacf5ea5d2cf62640b0d4db2055162b3ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89e34c652b37f78deff511528cdbfacf5ea5d2cf62640b0d4db2055162b3ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89e34c652b37f78deff511528cdbfacf5ea5d2cf62640b0d4db2055162b3ba8", kill_on_drop: false }`
[INFO] [stdout] b89e34c652b37f78deff511528cdbfacf5ea5d2cf62640b0d4db2055162b3ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d277837744dd84e0e26e2a21a4ec8839da96ff509579d7bbe0fb17aac529e065
[INFO] running `Command { std: "docker" "start" "-a" "d277837744dd84e0e26e2a21a4ec8839da96ff509579d7bbe0fb17aac529e065", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling picorv32-rt v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling picorv32 v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling picorv32-rt-macros v0.1.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "d277837744dd84e0e26e2a21a4ec8839da96ff509579d7bbe0fb17aac529e065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d277837744dd84e0e26e2a21a4ec8839da96ff509579d7bbe0fb17aac529e065", kill_on_drop: false }`
[INFO] [stdout] d277837744dd84e0e26e2a21a4ec8839da96ff509579d7bbe0fb17aac529e065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246be82e1f5c885107cd1668169ba6fd1d3c77731fa2f29900e5c81ea5625a3a
[INFO] running `Command { std: "docker" "start" "-a" "246be82e1f5c885107cd1668169ba6fd1d3c77731fa2f29900e5c81ea5625a3a", 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` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "246be82e1f5c885107cd1668169ba6fd1d3c77731fa2f29900e5c81ea5625a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246be82e1f5c885107cd1668169ba6fd1d3c77731fa2f29900e5c81ea5625a3a", kill_on_drop: false }`
[INFO] [stdout] 246be82e1f5c885107cd1668169ba6fd1d3c77731fa2f29900e5c81ea5625a3a
