[INFO] crate differential-dataflow 0.10.0 is already in cache
[INFO] extracting crate differential-dataflow 0.10.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/differential-dataflow/0.10.0
[INFO] extracting crate differential-dataflow 0.10.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/differential-dataflow/0.10.0
[INFO] validating manifest of differential-dataflow-0.10.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of differential-dataflow-0.10.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing differential-dataflow-0.10.0
[INFO] finished frobbing differential-dataflow-0.10.0
[INFO] frobbed toml for differential-dataflow-0.10.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/differential-dataflow/0.10.0/Cargo.toml
[INFO] started frobbing differential-dataflow-0.10.0
[INFO] finished frobbing differential-dataflow-0.10.0
[INFO] frobbed toml for differential-dataflow-0.10.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/differential-dataflow/0.10.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking differential-dataflow-0.10.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/differential-dataflow/0.10.0:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1540403c87d1d084f7a78df8ce49ec0ed44600336e03648db4833816233d67ce
[INFO] running `"docker" "start" "-a" "1540403c87d1d084f7a78df8ce49ec0ed44600336e03648db4833816233d67ce"`
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_bytes v0.10.0
[INFO] [stderr]     Checking timely_logging v0.10.0
[INFO] [stderr]     Checking timely_sort v0.1.6
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling abomonation_derive v0.4.0
[INFO] [stderr]     Checking graph_map v0.1.0
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]     Checking timely_communication v0.10.0
[INFO] [stderr]     Checking timely v0.10.0
[INFO] [stderr]     Checking differential-dataflow v0.10.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `"docker" "inspect" "1540403c87d1d084f7a78df8ce49ec0ed44600336e03648db4833816233d67ce"`
[INFO] running `"docker" "rm" "-f" "1540403c87d1d084f7a78df8ce49ec0ed44600336e03648db4833816233d67ce"`
[INFO] [stdout] 1540403c87d1d084f7a78df8ce49ec0ed44600336e03648db4833816233d67ce