[INFO] fetching crate libelf 0.0.6...
[INFO] testing libelf-0.0.6 against 1.54.0 for beta-1.55-1
[INFO] extracting crate libelf 0.0.6 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate libelf 0.0.6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libelf 0.0.6
[INFO] finished tweaking crates.io crate libelf 0.0.6
[INFO] tweaked toml for crates.io crate libelf 0.0.6 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libelf-sys v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984608e9d9f018ae624b5475a3eecad1f55e203d1a45e972d3b81bd1a7e4b591
[INFO] running `Command { std: "docker" "start" "-a" "984608e9d9f018ae624b5475a3eecad1f55e203d1a45e972d3b81bd1a7e4b591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984608e9d9f018ae624b5475a3eecad1f55e203d1a45e972d3b81bd1a7e4b591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984608e9d9f018ae624b5475a3eecad1f55e203d1a45e972d3b81bd1a7e4b591", kill_on_drop: false }`
[INFO] [stdout] 984608e9d9f018ae624b5475a3eecad1f55e203d1a45e972d3b81bd1a7e4b591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15def59aa046f846e7cddb20c32ff0049e417fcc780aed2c3c6675578c64aebd
[INFO] running `Command { std: "docker" "start" "-a" "15def59aa046f846e7cddb20c32ff0049e417fcc780aed2c3c6675578c64aebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libelf-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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libelf-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "15def59aa046f846e7cddb20c32ff0049e417fcc780aed2c3c6675578c64aebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15def59aa046f846e7cddb20c32ff0049e417fcc780aed2c3c6675578c64aebd", kill_on_drop: false }`
[INFO] [stdout] 15def59aa046f846e7cddb20c32ff0049e417fcc780aed2c3c6675578c64aebd
