[INFO] cloning repository https://github.com/1uf3/c_from_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1uf3/c_from_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1uf3%2Fc_from_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1uf3%2Fc_from_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b8b6d7b1a6195dfed2a8a7299a83fdb35ff671e
[INFO] checking 1uf3/c_from_rust against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1uf3%2Fc_from_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/1uf3/c_from_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/1uf3/c_from_rust
[INFO] finished tweaking git repo https://github.com/1uf3/c_from_rust
[INFO] tweaked toml for git repo https://github.com/1uf3/c_from_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1uf3/c_from_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] 541aa21d20624c939e2a68cfd3fe55304775804b4d2e02b211e564183f7c233b
[INFO] running `Command { std: "docker" "start" "-a" "541aa21d20624c939e2a68cfd3fe55304775804b4d2e02b211e564183f7c233b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541aa21d20624c939e2a68cfd3fe55304775804b4d2e02b211e564183f7c233b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541aa21d20624c939e2a68cfd3fe55304775804b4d2e02b211e564183f7c233b", kill_on_drop: false }`
[INFO] [stdout] 541aa21d20624c939e2a68cfd3fe55304775804b4d2e02b211e564183f7c233b
[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] bc6ed75d3fd6562b077bdfca2705dadb4f4a3ea06cb87d103507d899fff3d380
[INFO] running `Command { std: "docker" "start" "-a" "bc6ed75d3fd6562b077bdfca2705dadb4f4a3ea06cb87d103507d899fff3d380", kill_on_drop: false }`
[INFO] [stderr]     Checking devsw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 20 | |     panic!("{}", info)
[INFO] [stdout] 21 | | }
[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 (`devsw`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devsw` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bc6ed75d3fd6562b077bdfca2705dadb4f4a3ea06cb87d103507d899fff3d380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6ed75d3fd6562b077bdfca2705dadb4f4a3ea06cb87d103507d899fff3d380", kill_on_drop: false }`
[INFO] [stdout] bc6ed75d3fd6562b077bdfca2705dadb4f4a3ea06cb87d103507d899fff3d380
