[INFO] fetching crate c2rust 0.14.0...
[INFO] checking c2rust-0.14.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate c2rust 0.14.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate c2rust 0.14.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate c2rust 0.14.0
[INFO] finished tweaking crates.io crate c2rust 0.14.0
[INFO] tweaked toml for crates.io crate c2rust 0.14.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate c2rust 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 48318cbb4f3570e1a9ba0bf1a0d3fa303a84dd1d9423ae53347e5f0a8e2b6e84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "48318cbb4f3570e1a9ba0bf1a0d3fa303a84dd1d9423ae53347e5f0a8e2b6e84"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]    Compiling c2rust-refactor v0.14.0
[INFO] [stderr]     Checking c2rust-ast-builder v0.14.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking json v0.12.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/c2rust-ast-builder-0.14.0/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate rustc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: please recompile that crate using --crate-type lib
[INFO] [stderr]   = note: the following crate versions were found:
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/6250d56355d72264ece721e8d0dc95b16a6824b1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_rt.lsan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/6250d56355d72264ece721e8d0dc95b16a6824b1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_rt.tsan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/6250d56355d72264ece721e8d0dc95b16a6824b1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_rt.asan.a
[INFO] [stderr]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/6250d56355d72264ece721e8d0dc95b16a6824b1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_rt.msan.a
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `c2rust-ast-builder`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "48318cbb4f3570e1a9ba0bf1a0d3fa303a84dd1d9423ae53347e5f0a8e2b6e84"`
[INFO] running `"docker" "rm" "-f" "48318cbb4f3570e1a9ba0bf1a0d3fa303a84dd1d9423ae53347e5f0a8e2b6e84"`
[INFO] [stdout] 48318cbb4f3570e1a9ba0bf1a0d3fa303a84dd1d9423ae53347e5f0a8e2b6e84