[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyh552506%2FEgg_Test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ce79a93af6ce074947f7d489808911e3e8df39
[INFO] building lyh552506/Egg_Test against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyh552506%2FEgg_Test" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyh552506/Egg_Test on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d75cdbb9512609c504ee297627ec0e5e5183fc9420cc23b19756aa8fb62c6a7a
[INFO] running `Command { std: "docker" "start" "-a" "d75cdbb9512609c504ee297627ec0e5e5183fc9420cc23b19756aa8fb62c6a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75cdbb9512609c504ee297627ec0e5e5183fc9420cc23b19756aa8fb62c6a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75cdbb9512609c504ee297627ec0e5e5183fc9420cc23b19756aa8fb62c6a7a", kill_on_drop: false }`
[INFO] [stdout] d75cdbb9512609c504ee297627ec0e5e5183fc9420cc23b19756aa8fb62c6a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46ba5e9a803b0951b1077c041426c0d1e2e18524d316a45603bffac91dce3623
[INFO] running `Command { std: "docker" "start" "-a" "46ba5e9a803b0951b1077c041426c0d1e2e18524d316a45603bffac91dce3623", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
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[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling lexpr v0.2.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
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[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling egg v0.9.5
[INFO] [stderr]    Compiling 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: `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: `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: 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: 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 6.24s
[INFO] running `Command { std: "docker" "inspect" "46ba5e9a803b0951b1077c041426c0d1e2e18524d316a45603bffac91dce3623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ba5e9a803b0951b1077c041426c0d1e2e18524d316a45603bffac91dce3623", kill_on_drop: false }`
[INFO] [stdout] 46ba5e9a803b0951b1077c041426c0d1e2e18524d316a45603bffac91dce3623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d920bb2e70706fb5ec9c2b0c3031453ed554dbf2cf5b63825f44839f519744
[INFO] running `Command { std: "docker" "start" "-a" "a6d920bb2e70706fb5ec9c2b0c3031453ed554dbf2cf5b63825f44839f519744", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: `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: `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: 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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a6d920bb2e70706fb5ec9c2b0c3031453ed554dbf2cf5b63825f44839f519744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d920bb2e70706fb5ec9c2b0c3031453ed554dbf2cf5b63825f44839f519744", kill_on_drop: false }`
[INFO] [stdout] a6d920bb2e70706fb5ec9c2b0c3031453ed554dbf2cf5b63825f44839f519744