[INFO] updating cached repository sscdotopen/online-cooccurrence
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sscdotopen/online-cooccurrence
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sscdotopen/online-cooccurrence" "work/ex/beta-1.38-1/sources/1.37.0/gh/sscdotopen/online-cooccurrence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sscdotopen/online-cooccurrence'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sscdotopen/online-cooccurrence" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sscdotopen/online-cooccurrence"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sscdotopen/online-cooccurrence'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9602b1b33431cc7d934196474c6ff3ebf52f1c3f
[INFO] sha for GitHub repo sscdotopen/online-cooccurrence: 9602b1b33431cc7d934196474c6ff3ebf52f1c3f
[INFO] validating manifest of sscdotopen/online-cooccurrence on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sscdotopen/online-cooccurrence on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sscdotopen/online-cooccurrence
[INFO] removed path dependency abomonation from sscdotopen/online-cooccurrence
[INFO] removed path dependency differential-dataflow from sscdotopen/online-cooccurrence
[INFO] finished frobbing sscdotopen/online-cooccurrence
[INFO] frobbed toml for sscdotopen/online-cooccurrence written to work/ex/beta-1.38-1/sources/1.37.0/gh/sscdotopen/online-cooccurrence/Cargo.toml
[INFO] started frobbing sscdotopen/online-cooccurrence
[INFO] removed path dependency abomonation from sscdotopen/online-cooccurrence
[INFO] removed path dependency differential-dataflow from sscdotopen/online-cooccurrence
[INFO] finished frobbing sscdotopen/online-cooccurrence
[INFO] frobbed toml for sscdotopen/online-cooccurrence written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sscdotopen/online-cooccurrence/Cargo.toml
[INFO] crate sscdotopen/online-cooccurrence already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sscdotopen/online-cooccurrence/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `http://github.com/frankmcsherry/timely-dataflow/`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `http://github.com/frankmcsherry/timely-dataflow/`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sscdotopen/online-cooccurrence against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sscdotopen/online-cooccurrence:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 95937c6d2dc92f7c516f21b81a91f5bc6412dbcfb1785908a1a6d71214e3bbff
[INFO] running `"docker" "start" "-a" "95937c6d2dc92f7c516f21b81a91f5bc6412dbcfb1785908a1a6d71214e3bbff"`
[INFO] [stderr] warning: dependency (abomonation) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (differential-dataflow) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.10.0
[INFO] [stderr]    Compiling timely_logging v0.10.0
[INFO] [stderr]    Compiling timely_bytes v0.10.0 (http://github.com/frankmcsherry/timely-dataflow/#b63bea65)
[INFO] [stderr]    Compiling timely_logging v0.10.0 (http://github.com/frankmcsherry/timely-dataflow/#b63bea65)
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]    Compiling abomonation_derive v0.4.0
[INFO] [stderr]    Compiling timely_communication v0.10.0
[INFO] [stderr]    Compiling timely_communication v0.10.0 (http://github.com/frankmcsherry/timely-dataflow/#b63bea65)
[INFO] [stderr]    Compiling timely v0.10.0
[INFO] [stderr]    Compiling timely v0.10.0 (http://github.com/frankmcsherry/timely-dataflow/#b63bea65)
[INFO] [stderr]    Compiling differential-dataflow v0.10.0
[INFO] [stderr]    Compiling cooccurrence v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `as_collection` found for type `timely::dataflow::Stream<timely::dataflow::scopes::Child<'_, timely::worker::Worker<timely::communication::Allocator>, _>, _>` in the current scope
[INFO] [stderr]   --> src/main.rs:37:37
[INFO] [stderr]    |
[INFO] [stderr] 37 |       let occurrences = occurrences.as_collection();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:116:40
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut input = InputSession::from(&mut input);
[INFO] [stderr]     |                                        ^^^^^^^^^^ expected struct `timely::dataflow::operators::input::Handle`, found mutable reference
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `timely::dataflow::operators::input::Handle<_, (_, _, _)>`
[INFO] [stderr]                found type `&mut timely::dataflow::InputHandle<_, _>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `differential_dataflow::AsCollection`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use differential_dataflow::AsCollection;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `differential_dataflow::operators`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use differential_dataflow::operators::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `cooccurrence`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "95937c6d2dc92f7c516f21b81a91f5bc6412dbcfb1785908a1a6d71214e3bbff"`
[INFO] running `"docker" "rm" "-f" "95937c6d2dc92f7c516f21b81a91f5bc6412dbcfb1785908a1a6d71214e3bbff"`
[INFO] [stdout] 95937c6d2dc92f7c516f21b81a91f5bc6412dbcfb1785908a1a6d71214e3bbff