[INFO] crate tango-client 0.1.1 is already in cache
[INFO] extracting crate tango-client 0.1.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/tango-client/0.1.1
[INFO] extracting crate tango-client 0.1.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/tango-client/0.1.1
[INFO] validating manifest of tango-client-0.1.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tango-client-0.1.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tango-client-0.1.1
[INFO] finished frobbing tango-client-0.1.1
[INFO] frobbed toml for tango-client-0.1.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/tango-client/0.1.1/Cargo.toml
[INFO] started frobbing tango-client-0.1.1
[INFO] finished frobbing tango-client-0.1.1
[INFO] frobbed toml for tango-client-0.1.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/tango-client/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tango-client-0.1.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/tango-client/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a19e8121565c9fd378a2a84f652b15b2f0dfac38d4cd1312956cf7e012e34733
[INFO] running `"docker" "start" "-a" "a19e8121565c9fd378a2a84f652b15b2f0dfac38d4cd1312956cf7e012e34733"`
[INFO] [stderr]    Compiling tango-client-sys v0.1.1
[INFO] [stderr] error: failed to run custom build command for `tango-client-sys v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/tango-client-sys-f7c875a1999de084/build-script-build` (exit code: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "tango"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Package tango was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `tango.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'tango' found
[INFO] [stderr] ---
[INFO] running `"docker" "inspect" "a19e8121565c9fd378a2a84f652b15b2f0dfac38d4cd1312956cf7e012e34733"`
[INFO] running `"docker" "rm" "-f" "a19e8121565c9fd378a2a84f652b15b2f0dfac38d4cd1312956cf7e012e34733"`
[INFO] [stdout] a19e8121565c9fd378a2a84f652b15b2f0dfac38d4cd1312956cf7e012e34733