[INFO] crate pylon-sys 0.1.2 is already in cache
[INFO] checking pylon-sys-0.1.2 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate pylon-sys 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pylon-sys 0.1.2 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pylon-sys 0.1.2
[INFO] finished tweaking crates.io crate pylon-sys 0.1.2
[INFO] tweaked toml for crates.io crate pylon-sys 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a48155602b8ba3751f3b5f2db7b3ac4051e26cd1e638891a8f682bb14d59117c
[INFO] running `"docker" "start" "-a" "a48155602b8ba3751f3b5f2db7b3ac4051e26cd1e638891a8f682bb14d59117c"`
[INFO] [stderr]    Compiling pylon-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: environment variable `PYLON_ROOT` not defined
[INFO] [stderr]  --> 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" "a48155602b8ba3751f3b5f2db7b3ac4051e26cd1e638891a8f682bb14d59117c"`
[INFO] running `"docker" "rm" "-f" "a48155602b8ba3751f3b5f2db7b3ac4051e26cd1e638891a8f682bb14d59117c"`
[INFO] [stdout] a48155602b8ba3751f3b5f2db7b3ac4051e26cd1e638891a8f682bb14d59117c