[INFO] fetching crate pylon-cxx 0.2.2...
[INFO] checking pylon-cxx-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate pylon-cxx 0.2.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pylon-cxx 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate pylon-cxx 0.2.2
[INFO] finished tweaking crates.io crate pylon-cxx 0.2.2
[INFO] tweaked toml for crates.io crate pylon-cxx 0.2.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate pylon-cxx 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scratch v1.0.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.5
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.51
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.51
[INFO] [stderr]   Downloaded cxx-build v1.0.51
[INFO] [stderr]   Downloaded cxx v1.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7e3e76469d4f7da239b057c411fd288a2f2af717ae3f5f0349bdc6fdafd2093
[INFO] running `Command { std: "docker" "start" "-a" "e7e3e76469d4f7da239b057c411fd288a2f2af717ae3f5f0349bdc6fdafd2093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e3e76469d4f7da239b057c411fd288a2f2af717ae3f5f0349bdc6fdafd2093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e3e76469d4f7da239b057c411fd288a2f2af717ae3f5f0349bdc6fdafd2093", kill_on_drop: false }`
[INFO] [stdout] e7e3e76469d4f7da239b057c411fd288a2f2af717ae3f5f0349bdc6fdafd2093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63bad5c2fac12054ea0cdcc870432ddcd98044915c6ec84ff7e66aa6f045e2a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63bad5c2fac12054ea0cdcc870432ddcd98044915c6ec84ff7e66aa6f045e2a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.51
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx v1.0.51
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cxx-build v1.0.51
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.51
[INFO] [stderr]    Compiling pylon-cxx v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `pylon-cxx v0.2.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pylon-cxx-bbf7c8fc78931413/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=PYLON_VERSION
[INFO] [stderr]   cargo:rerun-if-env-changed=PYLON_ROOT
[INFO] [stderr]   cargo:rerun-if-env-changed=PYLON_DEV_DIR
[INFO] [stderr]   cargo:rerun-if-changed=src/lib.rs
[INFO] [stderr]   cargo:rerun-if-changed=include/catcher.h
[INFO] [stderr]   cargo:rerun-if-changed=include/pylon-cxx-rs.h
[INFO] [stderr]   cargo:rerun-if-changed=src/pylon-cxx-rs.cc
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   cxxbridge error: Failed to create symlink `/opt/rustwide/target/cxxbridge/rust/cxx.h` pointing to `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cxx-1.0.51/include/cxx.h`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]       File exists (os error 17)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "63bad5c2fac12054ea0cdcc870432ddcd98044915c6ec84ff7e66aa6f045e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bad5c2fac12054ea0cdcc870432ddcd98044915c6ec84ff7e66aa6f045e2a2", kill_on_drop: false }`
[INFO] [stdout] 63bad5c2fac12054ea0cdcc870432ddcd98044915c6ec84ff7e66aa6f045e2a2