[INFO] fetching crate libdwelf 0.0.6...
[INFO] checking libdwelf-0.0.6 against beta for pr-78714
[INFO] extracting crate libdwelf 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libdwelf 0.0.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libdwelf 0.0.6
[INFO] finished tweaking crates.io crate libdwelf 0.0.6
[INFO] tweaked toml for crates.io crate libdwelf 0.0.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6cec0513e1971467d7f1fabc0a0a1025177cf4cd06529455f3e7bfda9cc60604
[INFO] running `Command { std: "docker" "start" "-a" "6cec0513e1971467d7f1fabc0a0a1025177cf4cd06529455f3e7bfda9cc60604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cec0513e1971467d7f1fabc0a0a1025177cf4cd06529455f3e7bfda9cc60604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cec0513e1971467d7f1fabc0a0a1025177cf4cd06529455f3e7bfda9cc60604", kill_on_drop: false }`
[INFO] [stdout] 6cec0513e1971467d7f1fabc0a0a1025177cf4cd06529455f3e7bfda9cc60604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 784f95b3634bd8820b8d578ca8028dd50993252f2ef09673c5dd318d5ec0fd2b
[INFO] running `Command { std: "docker" "start" "-a" "784f95b3634bd8820b8d578ca8028dd50993252f2ef09673c5dd318d5ec0fd2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libelf-sys v0.0.6
[INFO] [stderr]    Compiling libdw-sys v0.0.6
[INFO] [stdout] error[E0425]: cannot find function `target_supported` in crate `pkg_config`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libelf-sys-0.0.6/build.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert!(pkg_config::target_supported());
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^ not found in `pkg_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `target_supported` in crate `pkg_config`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libdw-sys-0.0.6/build.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert!(pkg_config::target_supported());
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^ not found in `pkg_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libdw-sys`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "784f95b3634bd8820b8d578ca8028dd50993252f2ef09673c5dd318d5ec0fd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784f95b3634bd8820b8d578ca8028dd50993252f2ef09673c5dd318d5ec0fd2b", kill_on_drop: false }`
[INFO] [stdout] 784f95b3634bd8820b8d578ca8028dd50993252f2ef09673c5dd318d5ec0fd2b