[INFO] cloning repository https://github.com/legalian/560-synthesizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/legalian/560-synthesizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegalian%2F560-synthesizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegalian%2F560-synthesizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 978b51102846a3bbabfc99bca3f226cf53baa7f0
[INFO] checking legalian/560-synthesizer against try#24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flegalian%2F560-synthesizer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/legalian/560-synthesizer
[INFO] finished tweaking git repo https://github.com/legalian/560-synthesizer
[INFO] tweaked toml for git repo https://github.com/legalian/560-synthesizer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/legalian/560-synthesizer on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/legalian/560-synthesizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c
[INFO] running `Command { std: "docker" "start" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking synthesis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Edges`
[INFO] [stdout]   --> src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use petgraph::graph::{Edges,EdgeReference};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 | use Tier1Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 | use Tier2Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | use Tier3Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Edges`
[INFO] [stdout]   --> src/main.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use petgraph::graph::{Edges,EdgeReference};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 | use Tier1Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 | use Tier2Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | use Tier3Table::{*};
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 let mut schema = get_table_schema(&subq);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `criteria`
[INFO] [stdout]    --> src/main.rs:138:35
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Tier3Table::Select(sq,criteria) => {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criteria`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> src/main.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let graph = extract_comparisons(&example.inputs);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Asc` and `Desc` are never constructed
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Key {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 30 |     Asc(Cname),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Desc(Cname)
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Named` and `GC` are never constructed
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Col {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 34 |     Named(Cname),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     GC(Box<Gc>)
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const`, `IsNull`, and `IsNotNull` are never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Prim {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 42 |     Const(Col,Binop),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     IsNull(Cname),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     IsNotNull(Cname)
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Max` and `Min` are never constructed
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Agg {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 47 |     Max,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     Min,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Eq`, `Lt`, `Lteq`, `Gt`, `Gteq`, and `Neq` are never constructed
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum Binop {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 51 |     Eq,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Lt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     Lteq,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Gt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 55 |     Gteq,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     Neq
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Order` is never constructed
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Tier1Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 60 |     Order(Tier2Table,Vec<Key>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Project` is never constructed
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum Tier2Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 65 |     Project(Tier3Table,Vec<Cname>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Select` is never constructed
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum Tier3Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 70 |     Select(Tier4Table,Pred),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Group`, `Join`, and `LeftJoin` are never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Tier4Table {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 75 |     Named(Tname),
[INFO] [stdout] 76 |     Group( Box<Tier3Table>, Vec<Cname>, Vec<Gc>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     Join( Box<Tier4Table>, Box<Tier4Table>, Pairs),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     LeftJoin( Box<Tier4Table>, Box<Tier3Table>, Pair)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LifeTimeLessEdgeRef` is never constructed
[INFO] [stdout]    --> src/main.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 382 | struct LifeTimeLessEdgeRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_lifetime` is never used
[INFO] [stdout]    --> src/main.rs:388:4
[INFO] [stdout]     |
[INFO] [stdout] 388 | fn remove_lifetime(a:EdgeReference<LinkGraphEdge>)->LifeTimeLessEdgeRef {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PathAssociated` is never constructed
[INFO] [stdout]    --> src/main.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 | struct PathAssociated {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `concat_path_associated` is never used
[INFO] [stdout]    --> src/main.rs:405:8
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl PathAssociated {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 405 |     fn concat_path_associated(&self,over:&LinkGraphEdge,totable:usize,targets: &[Vec<(RowMapping,usize,usize)>])->Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_col`, `dest_col`, `forward_pairing`, and `backward_pairing` are never read
[INFO] [stdout]    --> src/main.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | struct LinkGraphEdge {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 436 |     source_col:usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 437 |     dest_col:usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 438 |     forward_pairing: Rc<Pairing>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 439 |     backward_pairing: Rc<Pairing>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LinkGraphEdge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BreadthFirstExpand` is never constructed
[INFO] [stdout]    --> src/main.rs:442:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | struct BreadthFirstExpand<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RowMappingQuality` is never used
[INFO] [stdout]    --> src/main.rs:492:6
[INFO] [stdout]     |
[INFO] [stdout] 492 | enum RowMappingQuality {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RowMapping` is never used
[INFO] [stdout]    --> src/main.rs:497:6
[INFO] [stdout]     |
[INFO] [stdout] 497 | type RowMapping = Vec<(Vec<usize>,bool)>;
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_columns` is never used
[INFO] [stdout]    --> src/main.rs:552:4
[INFO] [stdout]     |
[INFO] [stdout] 552 | fn compare_columns<'a,T:PartialEq>(target:&'a [Option<T>],source:&'a [Option<T>])->Option<RowMapping> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_map_across_pair` is never used
[INFO] [stdout]    --> src/main.rs:565:4
[INFO] [stdout]     |
[INFO] [stdout] 565 | fn translate_map_across_pair(map:&RowMapping,pair:&Pairing)->(RowMapping,Vec<usize>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_pairings` is never used
[INFO] [stdout]    --> src/main.rs:581:4
[INFO] [stdout]     |
[INFO] [stdout] 581 | fn concatenate_pairings(a:&Pairing,b:&Pairing)->Pairing {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_potential_mappings` is never used
[INFO] [stdout]    --> src/main.rs:626:4
[INFO] [stdout]     |
[INFO] [stdout] 626 | fn all_potential_mappings(inputs:&Vec<Table>,output:&Table)->Vec<Vec<(RowMapping,usize,usize)>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 let mut schema = get_table_schema(&subq);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `criteria`
[INFO] [stdout]    --> src/main.rs:138:35
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Tier3Table::Select(sq,criteria) => {
[INFO] [stdout]     |                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_criteria`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> src/main.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let graph = extract_comparisons(&example.inputs);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Asc` and `Desc` are never constructed
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Key {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 30 |     Asc(Cname),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Desc(Cname)
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Named` and `GC` are never constructed
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Col {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 34 |     Named(Cname),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     GC(Box<Gc>)
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Const`, `IsNull`, and `IsNotNull` are never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Prim {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 42 |     Const(Col,Binop),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     IsNull(Cname),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 44 |     IsNotNull(Cname)
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Max` and `Min` are never constructed
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Agg {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 47 |     Max,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     Min,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Eq`, `Lt`, `Lteq`, `Gt`, `Gteq`, and `Neq` are never constructed
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum Binop {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 51 |     Eq,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Lt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     Lteq,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Gt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 55 |     Gteq,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     Neq
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Order` is never constructed
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Tier1Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 60 |     Order(Tier2Table,Vec<Key>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Project` is never constructed
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum Tier2Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 65 |     Project(Tier3Table,Vec<Cname>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Select` is never constructed
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum Tier3Table {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 70 |     Select(Tier4Table,Pred),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Group`, `Join`, and `LeftJoin` are never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Tier4Table {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 75 |     Named(Tname),
[INFO] [stdout] 76 |     Group( Box<Tier3Table>, Vec<Cname>, Vec<Gc>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 77 |     Join( Box<Tier4Table>, Box<Tier4Table>, Pairs),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     LeftJoin( Box<Tier4Table>, Box<Tier3Table>, Pair)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LifeTimeLessEdgeRef` is never constructed
[INFO] [stdout]    --> src/main.rs:382:8
[INFO] [stdout]     |
[INFO] [stdout] 382 | struct LifeTimeLessEdgeRef {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_lifetime` is never used
[INFO] [stdout]    --> src/main.rs:388:4
[INFO] [stdout]     |
[INFO] [stdout] 388 | fn remove_lifetime(a:EdgeReference<LinkGraphEdge>)->LifeTimeLessEdgeRef {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PathAssociated` is never constructed
[INFO] [stdout]    --> src/main.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 | struct PathAssociated {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `concat_path_associated` is never used
[INFO] [stdout]    --> src/main.rs:405:8
[INFO] [stdout]     |
[INFO] [stdout] 404 | impl PathAssociated {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 405 |     fn concat_path_associated(&self,over:&LinkGraphEdge,totable:usize,targets: &[Vec<(RowMapping,usize,usize)>])->Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_col`, `dest_col`, `forward_pairing`, and `backward_pairing` are never read
[INFO] [stdout]    --> src/main.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | struct LinkGraphEdge {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 436 |     source_col:usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 437 |     dest_col:usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 438 |     forward_pairing: Rc<Pairing>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 439 |     backward_pairing: Rc<Pairing>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LinkGraphEdge` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BreadthFirstExpand` is never constructed
[INFO] [stdout]    --> src/main.rs:442:8
[INFO] [stdout]     |
[INFO] [stdout] 442 | struct BreadthFirstExpand<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RowMappingQuality` is never used
[INFO] [stdout]    --> src/main.rs:492:6
[INFO] [stdout]     |
[INFO] [stdout] 492 | enum RowMappingQuality {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RowMapping` is never used
[INFO] [stdout]    --> src/main.rs:497:6
[INFO] [stdout]     |
[INFO] [stdout] 497 | type RowMapping = Vec<(Vec<usize>,bool)>;
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_columns` is never used
[INFO] [stdout]    --> src/main.rs:552:4
[INFO] [stdout]     |
[INFO] [stdout] 552 | fn compare_columns<'a,T:PartialEq>(target:&'a [Option<T>],source:&'a [Option<T>])->Option<RowMapping> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translate_map_across_pair` is never used
[INFO] [stdout]    --> src/main.rs:565:4
[INFO] [stdout]     |
[INFO] [stdout] 565 | fn translate_map_across_pair(map:&RowMapping,pair:&Pairing)->(RowMapping,Vec<usize>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_pairings` is never used
[INFO] [stdout]    --> src/main.rs:581:4
[INFO] [stdout]     |
[INFO] [stdout] 581 | fn concatenate_pairings(a:&Pairing,b:&Pairing)->Pairing {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_potential_mappings` is never used
[INFO] [stdout]    --> src/main.rs:626:4
[INFO] [stdout]     |
[INFO] [stdout] 626 | fn all_potential_mappings(inputs:&Vec<Table>,output:&Table)->Vec<Vec<(RowMapping,usize,usize)>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `Command { std: "docker" "inspect" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c", kill_on_drop: false }`
[INFO] [stdout] 628a45a609580fe020f3b3a4115a66ab409c54405476b5e7e262a4a47518f27c
