[INFO] crate mech-core 0.0.2 is already in cache
[INFO] extracting crate mech-core 0.0.2 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/mech-core/0.0.2
[INFO] extracting crate mech-core 0.0.2 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/mech-core/0.0.2
[INFO] validating manifest of mech-core-0.0.2 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 mech-core-0.0.2 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 mech-core-0.0.2
[INFO] finished frobbing mech-core-0.0.2
[INFO] frobbed toml for mech-core-0.0.2 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/mech-core/0.0.2/Cargo.toml
[INFO] started frobbing mech-core-0.0.2
[INFO] finished frobbing mech-core-0.0.2
[INFO] frobbed toml for mech-core-0.0.2 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/mech-core/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] checking mech-core-0.0.2 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/mech-core/0.0.2:/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] f4b110c2dd73ad14ead3029ac7951da91e87d2f337280ee5cae9853e5534033d
[INFO] running `"docker" "start" "-a" "f4b110c2dd73ad14ead3029ac7951da91e87d2f337280ee5cae9853e5534033d"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking hashbrown v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking mech-core v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Entry`
[INFO] [stderr]   --> src/database.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hashbrown::hash_map::{HashMap, Entry};
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Quantity`, `ToQuantity`
[INFO] [stderr]  --> src/operations.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use quantities::{Quantity, QuantityMath, ToQuantity};
[INFO] [stderr]   |                  ^^^^^^^^                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Entry`
[INFO] [stderr]   --> src/database.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hashbrown::hash_map::{HashMap, Entry};
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Quantity`, `ToQuantity`
[INFO] [stderr]  --> src/operations.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use quantities::{Quantity, QuantityMath, ToQuantity};
[INFO] [stderr]   |                  ^^^^^^^^                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1203:46
[INFO] [stderr]      |
[INFO] [stderr] 1203 |                              _ => {continue; 0}, // This continues before the return
[INFO] [stderr]      |                                              ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1211:46
[INFO] [stderr]      |
[INFO] [stderr] 1211 |                              _ => {continue; 0},
[INFO] [stderr]      |                                              ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1220:48
[INFO] [stderr]      |
[INFO] [stderr] 1220 |                                _ => {continue; 0},
[INFO] [stderr]      |                                                ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1229:48
[INFO] [stderr]      |
[INFO] [stderr] 1229 |                                _ => {continue; 0},
[INFO] [stderr]      |                                                ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1203:46
[INFO] [stderr]      |
[INFO] [stderr] 1203 |                              _ => {continue; 0}, // This continues before the return
[INFO] [stderr]      |                                              ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1211:46
[INFO] [stderr]      |
[INFO] [stderr] 1211 |                              _ => {continue; 0},
[INFO] [stderr]      |                                              ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1220:48
[INFO] [stderr]      |
[INFO] [stderr] 1220 |                                _ => {continue; 0},
[INFO] [stderr]      |                                                ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/runtime.rs:1229:48
[INFO] [stderr]      |
[INFO] [stderr] 1229 |                                _ => {continue; 0},
[INFO] [stderr]      |                                                ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeSeq`
[INFO] [stderr]   --> src/table.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap, SerializeStruct};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeStruct`
[INFO] [stderr]   --> src/table.rs:12:69
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap, SerializeStruct};
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:815:25
[INFO] [stderr]     |
[INFO] [stderr] 815 |                         0.0 => 0.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:816:25
[INFO] [stderr]     |
[INFO] [stderr] 816 |                         90.0 => 1.0,
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:817:25
[INFO] [stderr]     |
[INFO] [stderr] 817 |                         180.0 => 0.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:818:25
[INFO] [stderr]     |
[INFO] [stderr] 818 |                         270.0 => -1.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:831:25
[INFO] [stderr]     |
[INFO] [stderr] 831 |                         0.0 => 1.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:832:25
[INFO] [stderr]     |
[INFO] [stderr] 832 |                         90.0 => 0.0,
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:833:25
[INFO] [stderr]     |
[INFO] [stderr] 833 |                         180.0 => -1.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:834:25
[INFO] [stderr]     |
[INFO] [stderr] 834 |                         270.0 => 0.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/table.rs:87:7
[INFO] [stderr]    |
[INFO] [stderr] 87 |       _ => None,
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeSeq`
[INFO] [stderr]   --> src/table.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap, SerializeStruct};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeStruct`
[INFO] [stderr]   --> src/table.rs:12:69
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap, SerializeStruct};
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:100:10
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (id, block) in self.runtime.blocks.iter() {
[INFO] [stderr]     |          ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_text`
[INFO] [stderr]    --> src/lib.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |       for (constraint_text, constraints) in &block.constraints {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/lib.rs:203:38
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                                      ^^^^^^^ help: try ignoring the field: `columns: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                            ^^ help: try ignoring the field: `id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/lib.rs:203:32
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                                ^^^^ help: try ignoring the field: `rows: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     for i in 0..steps {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/database.rs:203:34
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                                  ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/database.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                             ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/database.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                      ^^^^^ help: try ignoring the field: `table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/database.rs:203:42
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]   --> src/runtime.rs:66:11
[INFO] [stderr]    |
[INFO] [stderr] 66 |       let table = register.table;
[INFO] [stderr]    |           ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:815:25
[INFO] [stderr]     |
[INFO] [stderr] 815 |                         0.0 => 0.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:816:25
[INFO] [stderr]     |
[INFO] [stderr] 816 |                         90.0 => 1.0,
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:817:25
[INFO] [stderr]     |
[INFO] [stderr] 817 |                         180.0 => 0.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:818:25
[INFO] [stderr]     |
[INFO] [stderr] 818 |                         270.0 => -1.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:831:25
[INFO] [stderr]     |
[INFO] [stderr] 831 |                         0.0 => 1.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:832:25
[INFO] [stderr]     |
[INFO] [stderr] 832 |                         90.0 => 0.0,
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:833:25
[INFO] [stderr]     |
[INFO] [stderr] 833 |                         180.0 => -1.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:834:25
[INFO] [stderr]     |
[INFO] [stderr] 834 |                         270.0 => 0.0,
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]   --> src/runtime.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |       let column = register.column.clone();
[INFO] [stderr]    |           ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/runtime.rs:59:54
[INFO] [stderr]    |
[INFO] [stderr] 59 |   pub fn register_block(&mut self, mut block: Block, store: &mut Interner) {
[INFO] [stderr]    |                                                      ^^^^^ help: consider prefixing with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/runtime.rs:133:15
[INFO] [stderr]     |
[INFO] [stderr] 133 |           let table = register.table;
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/runtime.rs:134:15
[INFO] [stderr]     |
[INFO] [stderr] 134 |           let column = register.column.clone();
[INFO] [stderr]     |               ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_text`
[INFO] [stderr]    --> src/runtime.rs:291:10
[INFO] [stderr]     |
[INFO] [stderr] 291 |     let (constraint_text, constraints) = constraint_tuple;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_ix`
[INFO] [stderr]    --> src/runtime.rs:312:10
[INFO] [stderr]     |
[INFO] [stderr] 312 |     for (constraint_ix, constraint) in constraints.iter().enumerate() {
[INFO] [stderr]     |          ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:314:31
[INFO] [stderr]     |
[INFO] [stderr] 314 |         Constraint::CopyTable{from_table, to_table} => {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: try ignoring the field: `from_table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:317:28
[INFO] [stderr]     |
[INFO] [stderr] 317 |         Constraint::Append{from_table, to_table} => {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try ignoring the field: `from_table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:326:35
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Constraint::Insert{from: (from_table, ..), to: (to_table, ..)} => {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_from_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indices`
[INFO] [stderr]    --> src/runtime.rs:335:33
[INFO] [stderr]     |
[INFO] [stderr] 335 |         Constraint::Scan{table, indices, output} => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `indices: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:335:42
[INFO] [stderr]     |
[INFO] [stderr] 335 |         Constraint::Scan{table, indices, output} => {
[INFO] [stderr]     |                                          ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/runtime.rs:368:29
[INFO] [stderr]     |
[INFO] [stderr] 368 |             TableId::Global(id) => (), // TODO Add global alias here
[INFO] [stderr]     |                             ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operation`
[INFO] [stderr]    --> src/runtime.rs:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |         Constraint::Function{operation, parameters, output} => {
[INFO] [stderr]     |                              ^^^^^^^^^ help: try ignoring the field: `operation: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:371:53
[INFO] [stderr]     |
[INFO] [stderr] 371 |         Constraint::Function{operation, parameters, output} => {
[INFO] [stderr]     |                                                     ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/runtime.rs:372:23
[INFO] [stderr]     |
[INFO] [stderr] 372 |           for (table, rows, columns) in parameters {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/runtime.rs:372:29
[INFO] [stderr]     |
[INFO] [stderr] 372 |           for (table, rows, columns) in parameters {
[INFO] [stderr]     |                             ^^^^^^^ help: consider prefixing with an underscore: `_columns`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comparator`
[INFO] [stderr]    --> src/runtime.rs:381:28
[INFO] [stderr]     |
[INFO] [stderr] 381 |         Constraint::Filter{comparator, lhs, rhs, output} => {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try ignoring the field: `comparator: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:381:50
[INFO] [stderr]     |
[INFO] [stderr] 381 |         Constraint::Filter{comparator, lhs, rhs, output} => {
[INFO] [stderr]     |                                                  ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs_rows`
[INFO] [stderr]    --> src/runtime.rs:382:27
[INFO] [stderr]     |
[INFO] [stderr] 382 |           let (lhs_table, lhs_rows, lhs_columns) = lhs;
[INFO] [stderr]     |                           ^^^^^^^^ help: consider prefixing with an underscore: `_lhs_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs_rows`
[INFO] [stderr]    --> src/runtime.rs:383:27
[INFO] [stderr]     |
[INFO] [stderr] 383 |           let (rhs_table, rhs_rows, rhs_columns) = rhs;
[INFO] [stderr]     |                           ^^^^^^^^ help: consider prefixing with an underscore: `_rhs_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:421:27
[INFO] [stderr]     |
[INFO] [stderr] 421 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:436:27
[INFO] [stderr]     |
[INFO] [stderr] 436 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:447:27
[INFO] [stderr]     |
[INFO] [stderr] 447 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:461:27
[INFO] [stderr]     |
[INFO] [stderr] 461 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/table.rs:87:7
[INFO] [stderr]    |
[INFO] [stderr] 87 |       _ => None,
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/runtime.rs:709:21
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 let start_row: usize = 0;
[INFO] [stderr]     |                     ^^^^^^^^^ help: consider prefixing with an underscore: `_start_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/runtime.rs:732:25
[INFO] [stderr]     |
[INFO] [stderr] 732 |             for (table, rows, columns) in parameters {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/runtime.rs:732:31
[INFO] [stderr]     |
[INFO] [stderr] 732 |             for (table, rows, columns) in parameters {
[INFO] [stderr]     |                               ^^^^^^^ help: consider prefixing with an underscore: `_columns`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to_is_scalar`
[INFO] [stderr]     --> src/runtime.rs:1156:15
[INFO] [stderr]      |
[INFO] [stderr] 1156 |           let to_is_scalar = to_width == 1 && to_height == 1;
[INFO] [stderr]      |               ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_to_is_scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]     --> src/runtime.rs:1396:40
[INFO] [stderr]      |
[INFO] [stderr] 1396 |       Constraint::Constant{table, row, column, value} => write!(f, "Constant({} -> #{:?})", value.to_float(), table),
[INFO] [stderr]      |                                        ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]     --> src/runtime.rs:1396:35
[INFO] [stderr]      |
[INFO] [stderr] 1396 |       Constraint::Constant{table, row, column, value} => write!(f, "Constant({} -> #{:?})", value.to_float(), table),
[INFO] [stderr]      |                                   ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]     --> src/runtime.rs:1397:38
[INFO] [stderr]      |
[INFO] [stderr] 1397 |       Constraint::String{table, row, column, value} => write!(f, "String({:?} -> #{:?})", value, table),
[INFO] [stderr]      |                                      ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]     --> src/runtime.rs:1397:33
[INFO] [stderr]      |
[INFO] [stderr] 1397 |       Constraint::String{table, row, column, value} => write!(f, "String({:?} -> #{:?})", value, table),
[INFO] [stderr]      |                                 ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deserializer`
[INFO] [stderr]    --> src/table.rs:207:23
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_deserializer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/quantities.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |             for i in 0..-1*decimal_ix {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:100:10
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (id, block) in self.runtime.blocks.iter() {
[INFO] [stderr]     |          ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_text`
[INFO] [stderr]    --> src/lib.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |       for (constraint_text, constraints) in &block.constraints {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/lib.rs:203:38
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                                      ^^^^^^^ help: try ignoring the field: `columns: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/lib.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                            ^^ help: try ignoring the field: `id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/lib.rs:203:32
[INFO] [stderr]     |
[INFO] [stderr] 203 |           Change::NewTable{id, rows, columns} => {
[INFO] [stderr]     |                                ^^^^ help: try ignoring the field: `rows: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     for i in 0..steps {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/database.rs:203:34
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                                  ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/database.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                             ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/database.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                      ^^^^^ help: try ignoring the field: `table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/database.rs:203:42
[INFO] [stderr]     |
[INFO] [stderr] 203 |       Change::Remove{table, row, column, value} => {
[INFO] [stderr]     |                                          ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]   --> src/runtime.rs:66:11
[INFO] [stderr]    |
[INFO] [stderr] 66 |       let table = register.table;
[INFO] [stderr]    |           ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]   --> src/runtime.rs:67:11
[INFO] [stderr]    |
[INFO] [stderr] 67 |       let column = register.column.clone();
[INFO] [stderr]    |           ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/runtime.rs:59:54
[INFO] [stderr]    |
[INFO] [stderr] 59 |   pub fn register_block(&mut self, mut block: Block, store: &mut Interner) {
[INFO] [stderr]    |                                                      ^^^^^ help: consider prefixing with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]    --> src/runtime.rs:133:15
[INFO] [stderr]     |
[INFO] [stderr] 133 |           let table = register.table;
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]    --> src/runtime.rs:134:15
[INFO] [stderr]     |
[INFO] [stderr] 134 |           let column = register.column.clone();
[INFO] [stderr]     |               ^^^^^^ help: consider prefixing with an underscore: `_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_text`
[INFO] [stderr]    --> src/runtime.rs:291:10
[INFO] [stderr]     |
[INFO] [stderr] 291 |     let (constraint_text, constraints) = constraint_tuple;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `constraint_ix`
[INFO] [stderr]    --> src/runtime.rs:312:10
[INFO] [stderr]     |
[INFO] [stderr] 312 |     for (constraint_ix, constraint) in constraints.iter().enumerate() {
[INFO] [stderr]     |          ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_constraint_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:314:31
[INFO] [stderr]     |
[INFO] [stderr] 314 |         Constraint::CopyTable{from_table, to_table} => {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: try ignoring the field: `from_table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:317:28
[INFO] [stderr]     |
[INFO] [stderr] 317 |         Constraint::Append{from_table, to_table} => {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try ignoring the field: `from_table: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_table`
[INFO] [stderr]    --> src/runtime.rs:326:35
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Constraint::Insert{from: (from_table, ..), to: (to_table, ..)} => {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_from_table`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indices`
[INFO] [stderr]    --> src/runtime.rs:335:33
[INFO] [stderr]     |
[INFO] [stderr] 335 |         Constraint::Scan{table, indices, output} => {
[INFO] [stderr]     |                                 ^^^^^^^ help: try ignoring the field: `indices: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:335:42
[INFO] [stderr]     |
[INFO] [stderr] 335 |         Constraint::Scan{table, indices, output} => {
[INFO] [stderr]     |                                          ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/runtime.rs:368:29
[INFO] [stderr]     |
[INFO] [stderr] 368 |             TableId::Global(id) => (), // TODO Add global alias here
[INFO] [stderr]     |                             ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operation`
[INFO] [stderr]    --> src/runtime.rs:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |         Constraint::Function{operation, parameters, output} => {
[INFO] [stderr]     |                              ^^^^^^^^^ help: try ignoring the field: `operation: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:371:53
[INFO] [stderr]     |
[INFO] [stderr] 371 |         Constraint::Function{operation, parameters, output} => {
[INFO] [stderr]     |                                                     ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/runtime.rs:372:23
[INFO] [stderr]     |
[INFO] [stderr] 372 |           for (table, rows, columns) in parameters {
[INFO] [stderr]     |                       ^^^^ help: consider prefixing with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/runtime.rs:372:29
[INFO] [stderr]     |
[INFO] [stderr] 372 |           for (table, rows, columns) in parameters {
[INFO] [stderr]     |                             ^^^^^^^ help: consider prefixing with an underscore: `_columns`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comparator`
[INFO] [stderr]    --> src/runtime.rs:381:28
[INFO] [stderr]     |
[INFO] [stderr] 381 |         Constraint::Filter{comparator, lhs, rhs, output} => {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try ignoring the field: `comparator: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/runtime.rs:381:50
[INFO] [stderr]     |
[INFO] [stderr] 381 |         Constraint::Filter{comparator, lhs, rhs, output} => {
[INFO] [stderr]     |                                                  ^^^^^^ help: try ignoring the field: `output: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs_rows`
[INFO] [stderr]    --> src/runtime.rs:382:27
[INFO] [stderr]     |
[INFO] [stderr] 382 |           let (lhs_table, lhs_rows, lhs_columns) = lhs;
[INFO] [stderr]     |                           ^^^^^^^^ help: consider prefixing with an underscore: `_lhs_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs_rows`
[INFO] [stderr]    --> src/runtime.rs:383:27
[INFO] [stderr]     |
[INFO] [stderr] 383 |           let (rhs_table, rhs_rows, rhs_columns) = rhs;
[INFO] [stderr]     |                           ^^^^^^^^ help: consider prefixing with an underscore: `_rhs_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:421:27
[INFO] [stderr]     |
[INFO] [stderr] 421 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:436:27
[INFO] [stderr]     |
[INFO] [stderr] 436 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:447:27
[INFO] [stderr]     |
[INFO] [stderr] 447 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/runtime.rs:461:27
[INFO] [stderr]     |
[INFO] [stderr] 461 |             Entry::Vacant(v) => {    
[INFO] [stderr]     |                           ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/runtime.rs:709:21
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 let start_row: usize = 0;
[INFO] [stderr]     |                     ^^^^^^^^^ help: consider prefixing with an underscore: `_start_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]    --> src/runtime.rs:732:25
[INFO] [stderr]     |
[INFO] [stderr] 732 |             for (table, rows, columns) in parameters {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `columns`
[INFO] [stderr]    --> src/runtime.rs:732:31
[INFO] [stderr]     |
[INFO] [stderr] 732 |             for (table, rows, columns) in parameters {
[INFO] [stderr]     |                               ^^^^^^^ help: consider prefixing with an underscore: `_columns`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to_is_scalar`
[INFO] [stderr]     --> src/runtime.rs:1156:15
[INFO] [stderr]      |
[INFO] [stderr] 1156 |           let to_is_scalar = to_width == 1 && to_height == 1;
[INFO] [stderr]      |               ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_to_is_scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]     --> src/runtime.rs:1396:40
[INFO] [stderr]      |
[INFO] [stderr] 1396 |       Constraint::Constant{table, row, column, value} => write!(f, "Constant({} -> #{:?})", value.to_float(), table),
[INFO] [stderr]      |                                        ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]     --> src/runtime.rs:1396:35
[INFO] [stderr]      |
[INFO] [stderr] 1396 |       Constraint::Constant{table, row, column, value} => write!(f, "Constant({} -> #{:?})", value.to_float(), table),
[INFO] [stderr]      |                                   ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]     --> src/runtime.rs:1397:38
[INFO] [stderr]      |
[INFO] [stderr] 1397 |       Constraint::String{table, row, column, value} => write!(f, "String({:?} -> #{:?})", value, table),
[INFO] [stderr]      |                                      ^^^^^^ help: try ignoring the field: `column: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]     --> src/runtime.rs:1397:33
[INFO] [stderr]      |
[INFO] [stderr] 1397 |       Constraint::String{table, row, column, value} => write!(f, "String({:?} -> #{:?})", value, table),
[INFO] [stderr]      |                                 ^^^ help: try ignoring the field: `row: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deserializer`
[INFO] [stderr]    --> src/table.rs:207:23
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_deserializer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/quantities.rs:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |             for i in 0..-1*decimal_ix {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/runtime.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let mut listeners = self.pipes_map.get_mut(&register).unwrap();
[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/runtime.rs:147:19
[INFO] [stderr]     |
[INFO] [stderr] 147 |               let mut block = &mut self.blocks.get_mut(&register_address.block).unwrap();
[INFO] [stderr]     |                   ----^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:815:25
[INFO] [stderr]     |
[INFO] [stderr] 815 |                         0.0 => 0.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/runtime.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let mut listeners = self.pipes_map.get_mut(&register).unwrap();
[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/runtime.rs:147:19
[INFO] [stderr]     |
[INFO] [stderr] 147 |               let mut block = &mut self.blocks.get_mut(&register_address.block).unwrap();
[INFO] [stderr]     |                   ----^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/runtime.rs:815:25
[INFO] [stderr]     |
[INFO] [stderr] 815 |                         0.0 => 0.0,
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pipe`
[INFO] [stderr]     --> src/runtime.rs:1348:1
[INFO] [stderr]      |
[INFO] [stderr] 1348 | pub struct Pipe {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_bits`
[INFO] [stderr]     --> src/runtime.rs:1415:1
[INFO] [stderr]      |
[INFO] [stderr] 1415 | pub fn check_bits(solved: u64, checking: u64) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_any_bits`
[INFO] [stderr]     --> src/runtime.rs:1419:1
[INFO] [stderr]      |
[INFO] [stderr] 1419 | pub fn has_any_bits(solved: u64, checking: u64) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_bit`
[INFO] [stderr]     --> src/runtime.rs:1423:1
[INFO] [stderr]      |
[INFO] [stderr] 1423 | pub fn set_bit(solved: u64, bit: usize) -> u64 {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clear_bit`
[INFO] [stderr]     --> src/runtime.rs:1427:1
[INFO] [stderr]      |
[INFO] [stderr] 1427 | pub fn clear_bit(solved: u64, bit: usize) -> u64 {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_bit`
[INFO] [stderr]     --> src/runtime.rs:1431:1
[INFO] [stderr]      |
[INFO] [stderr] 1431 | pub fn check_bit(solved: u64, bit: usize) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_top_border`
[INFO] [stderr]    --> src/table.rs:511:1
[INFO] [stderr]     |
[INFO] [stderr] 511 | fn print_top_border(n: usize, m: usize, f: &mut fmt::Formatter) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pipe`
[INFO] [stderr]     --> src/runtime.rs:1348:1
[INFO] [stderr]      |
[INFO] [stderr] 1348 | pub struct Pipe {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_bits`
[INFO] [stderr]     --> src/runtime.rs:1415:1
[INFO] [stderr]      |
[INFO] [stderr] 1415 | pub fn check_bits(solved: u64, checking: u64) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_any_bits`
[INFO] [stderr]     --> src/runtime.rs:1419:1
[INFO] [stderr]      |
[INFO] [stderr] 1419 | pub fn has_any_bits(solved: u64, checking: u64) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_bit`
[INFO] [stderr]     --> src/runtime.rs:1423:1
[INFO] [stderr]      |
[INFO] [stderr] 1423 | pub fn set_bit(solved: u64, bit: usize) -> u64 {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `clear_bit`
[INFO] [stderr]     --> src/runtime.rs:1427:1
[INFO] [stderr]      |
[INFO] [stderr] 1427 | pub fn clear_bit(solved: u64, bit: usize) -> u64 {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_bit`
[INFO] [stderr]     --> src/runtime.rs:1431:1
[INFO] [stderr]      |
[INFO] [stderr] 1431 | pub fn check_bit(solved: u64, bit: usize) -> bool {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_top_border`
[INFO] [stderr]    --> src/table.rs:511:1
[INFO] [stderr]     |
[INFO] [stderr] 511 | fn print_top_border(n: usize, m: usize, f: &mut fmt::Formatter) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Hasher`
[INFO] [stderr]  --> tests/database.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::Hasher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Change`, `Transaction`
[INFO] [stderr]  --> tests/database.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mech_core::{Core, Transaction, Change};
[INFO] [stderr]   |                       ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]  --> tests/database.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let db = Core::new(1,1);
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Hasher`
[INFO] [stderr]  --> tests/operations.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::Hasher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Change`, `Core`, `Transaction`
[INFO] [stderr]  --> tests/operations.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mech_core::{Core, Transaction, Change};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Function`
[INFO] [stderr]  --> tests/operations.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mech_core::{Function};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> tests/operations.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Value};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Block`
[INFO] [stderr]  --> tests/operations.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mech_core::Block;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Quantity`
[INFO] [stderr]  --> benches/quantities.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Core`, `Quantity`
[INFO] [stderr]  --> src/bin/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Core, Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Aliases`, `Bar`
[INFO] [stderr]  --> src/bin/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mech_core::{Bar, Aliases};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::hash_map::HashMap`
[INFO] [stderr]   --> src/bin/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hashbrown::hash_map::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::*`
[INFO] [stderr]   --> src/bin/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeMap`, `SerializeSeq`, `Serialize`, `Serializer`
[INFO] [stderr]   --> src/bin/main.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap};
[INFO] [stderr]    |                  ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add`
[INFO] [stderr]   --> benches/quantities.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let add = x.add(y);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_add`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Core`, `Quantity`
[INFO] [stderr]  --> src/bin/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use mech_core::{Core, Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Aliases`, `Bar`
[INFO] [stderr]  --> src/bin/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mech_core::{Bar, Aliases};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::hash_map::HashMap`
[INFO] [stderr]   --> src/bin/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hashbrown::hash_map::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::*`
[INFO] [stderr]   --> src/bin/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeMap`, `SerializeSeq`, `Serialize`, `Serializer`
[INFO] [stderr]   --> src/bin/main.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::ser::{Serialize, Serializer, SerializeSeq, SerializeMap};
[INFO] [stderr]    |                  ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub`
[INFO] [stderr]   --> benches/quantities.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let sub = x.sub(y);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_sub`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub`
[INFO] [stderr]   --> benches/quantities.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let sub = x.multiply(y);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_sub`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub`
[INFO] [stderr]   --> benches/quantities.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let sub = x.divide(y);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_sub`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Quantity`
[INFO] [stderr]  --> tests/quantities.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::{Quantity, ToQuantity, QuantityMath, make_quantity};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]   --> benches/table.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut table = Table::new(0, 16, 16);
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `table`
[INFO] [stderr]   --> benches/table.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut table = Table::new(0, 100, 100);
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_table`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/table.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut table = Table::new(0, 16, 16);
[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]   --> benches/table.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut table = Table::new(0, 100, 100);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/bin/main.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 |   let offset = make_quantity(49825176195110, -11, 0);
[INFO] [stderr]    |       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]   --> src/bin/main.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 |   let q = foo.to_quantity();
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_q`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/bin/main.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 |   let offset = make_quantity(49825176195110, -11, 0);
[INFO] [stderr]    |       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]   --> src/bin/main.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 |   let q = foo.to_quantity();
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_q`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mech_core::Hasher`
[INFO] [stderr]  --> tests/runtime.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mech_core::Hasher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Change`, `Core`, `Transaction`
[INFO] [stderr]  --> tests/runtime.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mech_core::{Core, Transaction, Change};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `runtime`
[INFO] [stderr]   --> tests/runtime.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let runtime = Runtime::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_runtime`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> tests/quantities.rs:84:7
[INFO] [stderr]    |
[INFO] [stderr] 84 |   let z = make_quantity(1,0,0);
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Table`
[INFO] [stderr]  --> benches/database.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mech_core::{Table, Value, Index};
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]   --> benches/database.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut db = Core::new(1, 1);
[INFO] [stderr]    |                 ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]   --> benches/database.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut db = Core::new(200000,200000);
[INFO] [stderr]    |                 ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `txn`
[INFO] [stderr]   --> benches/database.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let txn = Transaction::from_change(
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_txn`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/database.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut db = Core::new(1, 1);
[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]   --> benches/database.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut db = Core::new(200000,200000);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/table.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut table = make_table();
[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]   --> tests/table.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut table = make_table();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.03s
[INFO] running `"docker" "inspect" "f4b110c2dd73ad14ead3029ac7951da91e87d2f337280ee5cae9853e5534033d"`
[INFO] running `"docker" "rm" "-f" "f4b110c2dd73ad14ead3029ac7951da91e87d2f337280ee5cae9853e5534033d"`
[INFO] [stdout] f4b110c2dd73ad14ead3029ac7951da91e87d2f337280ee5cae9853e5534033d