[INFO] crate pylon 0.1.1 is already in cache
[INFO] extracting crate pylon 0.1.1 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/pylon/0.1.1
[INFO] extracting crate pylon 0.1.1 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/pylon/0.1.1
[INFO] validating manifest of pylon-0.1.1 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pylon-0.1.1 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pylon-0.1.1
[INFO] finished frobbing pylon-0.1.1
[INFO] frobbed toml for pylon-0.1.1 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/pylon/0.1.1/Cargo.toml
[INFO] started frobbing pylon-0.1.1
[INFO] finished frobbing pylon-0.1.1
[INFO] frobbed toml for pylon-0.1.1 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/pylon/0.1.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pylon-0.1.1 against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-3/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/pylon/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b5f93fad330296d93052ceec84a4b5b3f92ff66a04c12770de8d599a4fe48400
[INFO] running `"docker" "start" "-a" "b5f93fad330296d93052ceec84a4b5b3f92ff66a04c12770de8d599a4fe48400"`
[INFO] [stderr]    Compiling bindgen v0.49.0
[INFO] [stderr]    Compiling pylon-sys v0.1.1
[INFO] [stderr] error: environment variable `PYLON_ROOT` not defined
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pylon-sys-0.1.1/build.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let pylon_root = env!("PYLON_ROOT");
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `pylon-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b5f93fad330296d93052ceec84a4b5b3f92ff66a04c12770de8d599a4fe48400"`
[INFO] running `"docker" "rm" "-f" "b5f93fad330296d93052ceec84a4b5b3f92ff66a04c12770de8d599a4fe48400"`
[INFO] [stdout] b5f93fad330296d93052ceec84a4b5b3f92ff66a04c12770de8d599a4fe48400