[INFO] crate libelf 0.0.6 is already in cache
[INFO] documenting libelf-0.0.6 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate libelf 0.0.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libelf 0.0.6 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ee72bf218a14d6b829f5c23cd1d18e4e0ce7f5f960486d1705edc9bc83a8f6
[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" "e3ee72bf218a14d6b829f5c23cd1d18e4e0ce7f5f960486d1705edc9bc83a8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ee72bf218a14d6b829f5c23cd1d18e4e0ce7f5f960486d1705edc9bc83a8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ee72bf218a14d6b829f5c23cd1d18e4e0ce7f5f960486d1705edc9bc83a8f6", kill_on_drop: false }`
[INFO] [stdout] e3ee72bf218a14d6b829f5c23cd1d18e4e0ce7f5f960486d1705edc9bc83a8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45586b743cca4f83fb9f7a3e9999f69edb58b54c465a0f0011a87132c0d3ae94
[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" "45586b743cca4f83fb9f7a3e9999f69edb58b54c465a0f0011a87132c0d3ae94", 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" "45586b743cca4f83fb9f7a3e9999f69edb58b54c465a0f0011a87132c0d3ae94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45586b743cca4f83fb9f7a3e9999f69edb58b54c465a0f0011a87132c0d3ae94", kill_on_drop: false }`
[INFO] [stdout] 45586b743cca4f83fb9f7a3e9999f69edb58b54c465a0f0011a87132c0d3ae94