[INFO] crate pylon 0.2.0 is already in cache
[INFO] extracting crate pylon 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pylon/0.2.0
[INFO] extracting crate pylon 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pylon/0.2.0
[INFO] validating manifest of pylon-0.2.0 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 pylon-0.2.0 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 pylon-0.2.0
[INFO] finished frobbing pylon-0.2.0
[INFO] frobbed toml for pylon-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pylon/0.2.0/Cargo.toml
[INFO] started frobbing pylon-0.2.0
[INFO] finished frobbing pylon-0.2.0
[INFO] frobbed toml for pylon-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pylon/0.2.0/Cargo.toml
[INFO] crate pylon-0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking pylon-0.2.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pylon/0.2.0:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b1acdf3fb7338ec4be5bf55504a4aa185f6fe33d5d71bb86be7a4908b3a90168
[INFO] running `"docker" "start" "-a" "b1acdf3fb7338ec4be5bf55504a4aa185f6fe33d5d71bb86be7a4908b3a90168"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking imgref v1.3.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.0
[INFO] [stderr]    Compiling pylon-sys v0.1.2
[INFO] [stderr] error: environment variable `PYLON_ROOT` not defined
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pylon-sys-0.1.2/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" "b1acdf3fb7338ec4be5bf55504a4aa185f6fe33d5d71bb86be7a4908b3a90168"`
[INFO] running `"docker" "rm" "-f" "b1acdf3fb7338ec4be5bf55504a4aa185f6fe33d5d71bb86be7a4908b3a90168"`
[INFO] [stdout] b1acdf3fb7338ec4be5bf55504a4aa185f6fe33d5d71bb86be7a4908b3a90168