[INFO] updating cached repository dropbox/ruba
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dropbox/ruba
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dropbox/ruba" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dropbox/ruba"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dropbox/ruba'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dropbox/ruba" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60f3e8674f59669f827c2ea59f61c71768cb3b9d
[INFO] sha for GitHub repo dropbox/ruba: 60f3e8674f59669f827c2ea59f61c71768cb3b9d
[INFO] validating manifest of dropbox/ruba on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dropbox/ruba on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dropbox/ruba
[INFO] finished frobbing dropbox/ruba
[INFO] frobbed toml for dropbox/ruba written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/dropbox/ruba/Cargo.toml
[INFO] started frobbing dropbox/ruba
[INFO] finished frobbing dropbox/ruba
[INFO] frobbed toml for dropbox/ruba written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba/Cargo.toml
[INFO] crate dropbox/ruba has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dropbox/ruba against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] cc0f70236b370e7696854952f8ef4b1c34bf77431566993eda3b81af632ae09e
[INFO] running `"docker" "start" "-a" "cc0f70236b370e7696854952f8ef4b1c34bf77431566993eda3b81af632ae09e"`
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling seahash v3.0.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling futures-core v0.2.0-alpha
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.2.0-alpha
[INFO] [stderr]    Compiling futures-io v0.2.0-alpha
[INFO] [stderr]    Compiling futures-sink v0.2.0-alpha
[INFO] [stderr]    Compiling futures-util v0.2.0-alpha
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling futures-executor v0.2.0-alpha
[INFO] [stderr]    Compiling futures v0.2.0-alpha
[INFO] [stderr]    Compiling ruba v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `aggregation_cardinality`
[INFO] [stderr]   --> src/engine/query.rs:99:53
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let (encoded_group_by_column, grouping_key, aggregation_cardinality) =
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_aggregation_cardinality`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:521:13
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let mut result = _lhs.cast_ref_mut_bit_vec();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/query.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut compiled_filter = query_plan::prepare(filter_plan, &mut executor);
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/query.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 let mut compiled_filter = query_plan::prepare(filter_plan, &mut executor);
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/query.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let mut aggregate = query_plan::prepare_aggregation(
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VectorConstant`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:266:1
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub struct VectorConstant<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Identity`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:727:1
[INFO] [stderr]     |
[INFO] [stderr] 727 | struct Identity {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:733:5
[INFO] [stderr]     |
[INFO] [stderr] 733 |     pub fn new(input: BufferRef, output: BufferRef) -> Identity {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `storage`
[INFO] [stderr]   --> src/scheduler/inner_ruba.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     storage: Box<DB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.55s
[INFO] running `"docker" "inspect" "cc0f70236b370e7696854952f8ef4b1c34bf77431566993eda3b81af632ae09e"`
[INFO] running `"docker" "rm" "-f" "cc0f70236b370e7696854952f8ef4b1c34bf77431566993eda3b81af632ae09e"`
[INFO] [stdout] cc0f70236b370e7696854952f8ef4b1c34bf77431566993eda3b81af632ae09e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 68de775b690b4e3f47e4dbb0ff29d9988967a0132c54f468b41e828251bf4ed2
[INFO] running `"docker" "start" "-a" "68de775b690b4e3f47e4dbb0ff29d9988967a0132c54f468b41e828251bf4ed2"`
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling ruba v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `aggregation_cardinality`
[INFO] [stderr]   --> src/engine/query.rs:99:53
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let (encoded_group_by_column, grouping_key, aggregation_cardinality) =
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_aggregation_cardinality`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:521:13
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let mut result = _lhs.cast_ref_mut_bit_vec();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/query.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut compiled_filter = query_plan::prepare(filter_plan, &mut executor);
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine/query.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 let mut compiled_filter = query_plan::prepare(filter_plan, &mut executor);
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/engine/query.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |             let mut aggregate = query_plan::prepare_aggregation(
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VectorConstant`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:266:1
[INFO] [stderr]     |
[INFO] [stderr] 266 | pub struct VectorConstant<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Identity`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:727:1
[INFO] [stderr]     |
[INFO] [stderr] 727 | struct Identity {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/engine/vector_op/vector_operator.rs:733:5
[INFO] [stderr]     |
[INFO] [stderr] 733 |     pub fn new(input: BufferRef, output: BufferRef) -> Identity {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `storage`
[INFO] [stderr]   --> src/scheduler/inner_ruba.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     storage: Box<DB>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `"docker" "inspect" "68de775b690b4e3f47e4dbb0ff29d9988967a0132c54f468b41e828251bf4ed2"`
[INFO] running `"docker" "rm" "-f" "68de775b690b4e3f47e4dbb0ff29d9988967a0132c54f468b41e828251bf4ed2"`
[INFO] [stdout] 68de775b690b4e3f47e4dbb0ff29d9988967a0132c54f468b41e828251bf4ed2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/dropbox/ruba:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 313c8975e5f7ec837228bae54ac5f174e5fe7a30ed2f2b8c6150b93bcd599d81
[INFO] running `"docker" "start" "-a" "313c8975e5f7ec837228bae54ac5f174e5fe7a30ed2f2b8c6150b93bcd599d81"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ruba-ebd633c581564308
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test engine::batch_merging::tests::test_multipass_grouping ... ok
[INFO] [stdout] test syntax::parser::tests::test_last_hour ... ok
[INFO] [stdout] test syntax::parser::tests::test_select_star ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/profile-f96a83b902eb79b9
[INFO] [stderr]      Running /opt/crater/target/debug/deps/repl-8fa6e6804ce416e1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/query_tests-4952433b167d05d6
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_multiple_group_by_2 ... ok
[INFO] [stdout] test lt_filter_on_offset_encoded_column ... ok
[INFO] [stdout] test test_multiple_group_by ... ok
[INFO] [stdout] test test_select_integer ... ok
[INFO] [stdout] test group_by_string_filter_string_eq ... ok
[INFO] [stdout] test test_select_string ... ok
[INFO] [stdout] test group_by_integer_filter_integer_lt ... ok
[INFO] [stdout] test test_and_or ... ok
[INFO] [stdout] test test_sum_2 ... ok
[INFO] [stdout] test test_sort_string ... ok
[INFO] [stdout] test test_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruba
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "313c8975e5f7ec837228bae54ac5f174e5fe7a30ed2f2b8c6150b93bcd599d81"`
[INFO] running `"docker" "rm" "-f" "313c8975e5f7ec837228bae54ac5f174e5fe7a30ed2f2b8c6150b93bcd599d81"`
[INFO] [stdout] 313c8975e5f7ec837228bae54ac5f174e5fe7a30ed2f2b8c6150b93bcd599d81