[INFO] cloning repository https://github.com/Cognoscan/femto-riscv-demo-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cognoscan/femto-riscv-demo-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCognoscan%2Ffemto-riscv-demo-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCognoscan%2Ffemto-riscv-demo-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f6afd2a8e4d2bda3c7b24afff0cc9ea5c1bd8c
[INFO] checking Cognoscan/femto-riscv-demo-rust against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCognoscan%2Ffemto-riscv-demo-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cognoscan/femto-riscv-demo-rust on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Cognoscan/femto-riscv-demo-rust
[INFO] finished tweaking git repo https://github.com/Cognoscan/femto-riscv-demo-rust
[INFO] tweaked toml for git repo https://github.com/Cognoscan/femto-riscv-demo-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cognoscan/femto-riscv-demo-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e0ec3a01a0059c78989ecfda6241f420a132d423c895473924d9d659a96158
[INFO] running `Command { std: "docker" "start" "-a" "55e0ec3a01a0059c78989ecfda6241f420a132d423c895473924d9d659a96158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e0ec3a01a0059c78989ecfda6241f420a132d423c895473924d9d659a96158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e0ec3a01a0059c78989ecfda6241f420a132d423c895473924d9d659a96158", kill_on_drop: false }`
[INFO] [stdout] 55e0ec3a01a0059c78989ecfda6241f420a132d423c895473924d9d659a96158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc842b64e79f6bf866ce3c2aa6dfb7b274aaf8ae1de807d9ba59b209f48f6a9
[INFO] running `Command { std: "docker" "start" "-a" "efc842b64e79f6bf866ce3c2aa6dfb7b274aaf8ae1de807d9ba59b209f48f6a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling femto-riscv-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | / fn panic(_: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 71 | |     loop {}
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/46424fb5054f211ec836c5c03159f92e46bb35ac/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8a1b340385a4070.rlib
[INFO] [stdout]    = note: second definition in the local crate (`femto_riscv_demo`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `femto-riscv-demo` (bin "femto-riscv-demo" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `femto-riscv-demo` (bin "femto-riscv-demo") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "efc842b64e79f6bf866ce3c2aa6dfb7b274aaf8ae1de807d9ba59b209f48f6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc842b64e79f6bf866ce3c2aa6dfb7b274aaf8ae1de807d9ba59b209f48f6a9", kill_on_drop: false }`
[INFO] [stdout] efc842b64e79f6bf866ce3c2aa6dfb7b274aaf8ae1de807d9ba59b209f48f6a9
