[INFO] updating cached repository eoxxs/differential-aggregate-query
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eoxxs/differential-aggregate-query
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eoxxs/differential-aggregate-query" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/eoxxs/differential-aggregate-query"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/eoxxs/differential-aggregate-query'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eoxxs/differential-aggregate-query" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/eoxxs/differential-aggregate-query"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/eoxxs/differential-aggregate-query'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74676c1f142ec38772493440e085dc56af7fa005
[INFO] sha for GitHub repo eoxxs/differential-aggregate-query: 74676c1f142ec38772493440e085dc56af7fa005
[INFO] validating manifest of eoxxs/differential-aggregate-query on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eoxxs/differential-aggregate-query on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eoxxs/differential-aggregate-query
[INFO] finished frobbing eoxxs/differential-aggregate-query
[INFO] frobbed toml for eoxxs/differential-aggregate-query written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/eoxxs/differential-aggregate-query/Cargo.toml
[INFO] started frobbing eoxxs/differential-aggregate-query
[INFO] finished frobbing eoxxs/differential-aggregate-query
[INFO] frobbed toml for eoxxs/differential-aggregate-query written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/eoxxs/differential-aggregate-query/Cargo.toml
[INFO] crate eoxxs/differential-aggregate-query already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/eoxxs/differential-aggregate-query/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eoxxs/differential-aggregate-query against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/eoxxs/differential-aggregate-query:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 77ecf7d437a8c1ae6595c2bcebf9c50f37bfd3021a5f4244e44900fad84cc7b2
[INFO] running `"docker" "start" "-a" "77ecf7d437a8c1ae6595c2bcebf9c50f37bfd3021a5f4244e44900fad84cc7b2"`
[INFO] [stderr]     Checking timely_communication v0.9.0
[INFO] [stderr]     Checking timely v0.9.0
[INFO] [stderr]     Checking differential-dataflow v0.9.0
[INFO] [stderr]     Checking differential-aggregate-query v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `AsCollection`
[INFO] [stderr]   --> src/lib.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 | use differential_dataflow::collection::{AsCollection, Collection};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Count`
[INFO] [stderr]   --> src/lib.rs:23:53
[INFO] [stderr]    |
[INFO] [stderr] 23 | use differential_dataflow::operators::{Consolidate, Count};
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]  --> src/semiring/max_prod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{AddAssign, Neg, Mul};
[INFO] [stderr]   |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]  --> src/semiring/sum_prod.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{AddAssign, Neg, Mul};
[INFO] [stderr]   |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsCollection`
[INFO] [stderr]   --> src/lib.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 | use differential_dataflow::collection::{AsCollection, Collection};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Count`
[INFO] [stderr]   --> src/lib.rs:23:53
[INFO] [stderr]    |
[INFO] [stderr] 23 | use differential_dataflow::operators::{Consolidate, Count};
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]  --> src/semiring/max_prod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{AddAssign, Neg, Mul};
[INFO] [stderr]   |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Neg`
[INFO] [stderr]  --> src/semiring/sum_prod.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::{AddAssign, Neg, Mul};
[INFO] [stderr]   |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `timely::dataflow::operators`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use timely::dataflow::operators::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/factors/graph.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         pos: usize,
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `timely::dataflow::operators`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use timely::dataflow::operators::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/factors/graph.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         pos: usize,
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `"docker" "inspect" "77ecf7d437a8c1ae6595c2bcebf9c50f37bfd3021a5f4244e44900fad84cc7b2"`
[INFO] running `"docker" "rm" "-f" "77ecf7d437a8c1ae6595c2bcebf9c50f37bfd3021a5f4244e44900fad84cc7b2"`
[INFO] [stdout] 77ecf7d437a8c1ae6595c2bcebf9c50f37bfd3021a5f4244e44900fad84cc7b2