[INFO] cloning repository https://github.com/lyh552506/Egg_Test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyh552506/Egg_Test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyh552506%2FEgg_Test", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ce79a93af6ce074947f7d489808911e3e8df39
[INFO] checking lyh552506/Egg_Test against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyh552506%2FEgg_Test" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lyh552506/Egg_Test
[INFO] finished tweaking git repo https://github.com/lyh552506/Egg_Test
[INFO] tweaked toml for git repo https://github.com/lyh552506/Egg_Test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyh552506/Egg_Test on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lyh552506/Egg_Test 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]    Compiling unicode-ident v1.0.13
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[INFO] [stderr]     Checking fxhash v0.2.1
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[INFO] [stderr]     Checking getrandom v0.2.15
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[INFO] [stderr]     Checking Egg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> test/egg.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[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::str::FromStr`
[INFO] [stdout]  --> test/egg.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[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: `core::fmt`
[INFO] [stdout]  --> test/my_language.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[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: `lexpr::*`
[INFO] [stdout]  --> test/my_language.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lexpr::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> test/my_language.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[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: `lexpr::*`
[INFO] [stdout]  --> test/my_language.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lexpr::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eclass`
[INFO] [stdout]   --> test/costum_applier.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         eclass: Id,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eclass`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `searcher_ast`
[INFO] [stdout]   --> test/costum_applier.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         searcher_ast: Option<&PatternAst<Math>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_searcher_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> test/costum_searcher.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         limit: usize,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eclass`
[INFO] [stdout]   --> test/costum_applier.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         eclass: Id,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_eclass`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `searcher_ast`
[INFO] [stdout]   --> test/costum_applier.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         searcher_ast: Option<&PatternAst<Math>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_searcher_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> test/costum_searcher.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         limit: usize,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> test/my_language.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut runner = Runner::default()
[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: variable does not need to be mutable
[INFO] [stdout]   --> test/my_language.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cost_fn = cost::MathCostFunc {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecadd`
[INFO] [stdout]   --> test/my_language.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let to_vecadd = "(Concat(Vec (+ (Get a 0) (Get b 0))
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecadd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecadd`
[INFO] [stdout]   --> test/my_language.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let to_vecadd = "(Vec (+ a b) (+ c d))";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecadd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecmac`
[INFO] [stdout]   --> test/my_language.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let to_vecmac = "(VecAdd a (VecMul b c))";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecmac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iteration`
[INFO] [stdout]   --> test/my_language.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for (i, iteration) in runner.iterations.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `egraph` is never read
[INFO] [stdout]  --> test/cost.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MathCostFunc<'a> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     pub egraph: &'a EGraph<Math, ()>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> test/my_language.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut runner = Runner::default()
[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: variable does not need to be mutable
[INFO] [stdout]   --> test/my_language.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cost_fn = cost::MathCostFunc {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecadd`
[INFO] [stdout]   --> test/my_language.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let to_vecadd = "(Concat(Vec (+ (Get a 0) (Get b 0))
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecadd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecadd`
[INFO] [stdout]   --> test/my_language.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let to_vecadd = "(Vec (+ a b) (+ c d))";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecadd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to_vecmac`
[INFO] [stdout]   --> test/my_language.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let to_vecmac = "(VecAdd a (VecMul b c))";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_vecmac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iteration`
[INFO] [stdout]   --> test/my_language.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for (i, iteration) in runner.iterations.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iteration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `egraph` is never read
[INFO] [stdout]  --> test/cost.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MathCostFunc<'a> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 5 |     pub egraph: &'a EGraph<Math, ()>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "58dc4b3202b485ca69dd27655de9c378a505def2decd7c903bf06c054e115217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dc4b3202b485ca69dd27655de9c378a505def2decd7c903bf06c054e115217", kill_on_drop: false }`
[INFO] [stdout] 58dc4b3202b485ca69dd27655de9c378a505def2decd7c903bf06c054e115217