[INFO] cloning repository https://github.com/nadia-polikarpova/routers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nadia-polikarpova/routers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnadia-polikarpova%2Frouters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnadia-polikarpova%2Frouters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8737ca8804308a939614d10221a84246e66bf62e
[INFO] testing nadia-polikarpova/routers/8737ca8804308a939614d10221a84246e66bf62e against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnadia-polikarpova%2Frouters" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nadia-polikarpova/routers
[INFO] finished tweaking git repo https://github.com/nadia-polikarpova/routers
[INFO] tweaked toml for git repo https://github.com/nadia-polikarpova/routers written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nadia-polikarpova/routers on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nadia-polikarpova/routers 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da21e59fea902c5f049382e8949448cdccb81e403e5729f70b1dcbe639f78c6b
[INFO] running `Command { std: "docker" "start" "-a" "da21e59fea902c5f049382e8949448cdccb81e403e5729f70b1dcbe639f78c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da21e59fea902c5f049382e8949448cdccb81e403e5729f70b1dcbe639f78c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da21e59fea902c5f049382e8949448cdccb81e403e5729f70b1dcbe639f78c6b", kill_on_drop: false }`
[INFO] [stdout] da21e59fea902c5f049382e8949448cdccb81e403e5729f70b1dcbe639f78c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3bec9bc8ee0eee98450f4e1171da1e1f610462e1dd0ae1173c6d0c673ed3bb
[INFO] running `Command { std: "docker" "start" "-a" "5a3bec9bc8ee0eee98450f4e1171da1e1f610462e1dd0ae1173c6d0c673ed3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling symbol_table v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling egg v0.9.2
[INFO] [stderr]    Compiling combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `COMPOSE_20_ID` and `COMPOSE_20_LAM`
[INFO] [stdout]  --> src/comb.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::named::{var_symbol, Lambda, COMPOSE_20_ID, COMPOSE_20_LAM};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Router` is never used
[INFO] [stdout]  --> src/comb.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Router {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `routes_left` and `routes_right` are never used
[INFO] [stdout]   --> src/comb.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Router {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 16 |     // Does this router route to the left child?
[INFO] [stdout] 17 |     pub fn routes_left(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn routes_right(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Routers` is never used
[INFO] [stdout]   --> src/comb.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | type Routers = Vec<Router>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_plus`, `get_routers`, and `make_routers` are never used
[INFO] [stdout]   --> src/comb.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Comb {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 50 |     pub fn is_plus(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_routers(&self) -> Option<Routers> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn make_routers(routers: &[Router]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `route_vars` is never used
[INFO] [stdout]   --> src/comb.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn route_vars(vars: &[egg::Symbol], routers: &[Router]) -> (Vec<egg::Symbol>, Vec<egg::Symbol>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_lambda_expr` is never used
[INFO] [stdout]    --> src/comb.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn from_lambda_expr(expr: &RecExpr<Lambda>) -> RecExpr<Comb> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_free_vars` is never used
[INFO] [stdout]    --> src/comb.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn compute_free_vars(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_application` is never used
[INFO] [stdout]    --> src/comb.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn add_application(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_lambda_expr` is never used
[INFO] [stdout]    --> src/comb.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub fn to_lambda_expr(expr: &RecExpr<Comb>) -> RecExpr<Lambda> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_vars` is never used
[INFO] [stdout]    --> src/comb.rs:324:4
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn compute_vars(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombAnalysis` is never constructed
[INFO] [stdout]    --> src/comb.rs:359:8
[INFO] [stdout]     |
[INFO] [stdout] 359 | struct CombAnalysis;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]    --> src/comb.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 | struct Data {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EGraph` is never used
[INFO] [stdout]    --> src/comb.rs:367:6
[INFO] [stdout]     |
[INFO] [stdout] 367 | type EGraph = egg::EGraph<Comb, CombAnalysis>;
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval` is never used
[INFO] [stdout]    --> src/comb.rs:370:4
[INFO] [stdout]     |
[INFO] [stdout] 370 | fn eval(egraph: &EGraph, enode: &Comb) -> Option<Comb> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var` is never used
[INFO] [stdout]    --> src/comb.rs:411:4
[INFO] [stdout]     |
[INFO] [stdout] 411 | fn var(s: &str) -> Var {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_lefts` is never used
[INFO] [stdout]    --> src/comb.rs:417:4
[INFO] [stdout]     |
[INFO] [stdout] 417 | fn no_lefts(rts: Var) -> impl Fn(&mut EGraph, Id, &Subst) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_redex` is never used
[INFO] [stdout]    --> src/comb.rs:431:4
[INFO] [stdout]     |
[INFO] [stdout] 431 | fn is_redex(parent_rts: Var, child_rts: Var) -> impl Fn(&mut EGraph, Id, &Subst) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rules` is never used
[INFO] [stdout]    --> src/comb.rs:452:4
[INFO] [stdout]     |
[INFO] [stdout] 452 | fn rules() -> Vec<Rewrite<Comb, CombAnalysis>> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Beta` is never constructed
[INFO] [stdout]    --> src/comb.rs:478:8
[INFO] [stdout]     |
[INFO] [stdout] 478 | struct Beta {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_routers`, `new_routers_b`, `new_routers_c`, `new_routers_s`, and `add_adapter` are never used
[INFO] [stdout]    --> src/comb.rs:561:8
[INFO] [stdout]     |
[INFO] [stdout] 554 | impl Beta {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 561 |     fn new_routers(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 581 |     fn new_routers_b(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 654 |     fn new_routers_c(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 728 |     fn new_routers_s(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 815 |     pub fn add_adapter(egraph: &mut EGraph, adaptee: Id, m: usize, n: usize) -> Id {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_match` is never used
[INFO] [stdout]    --> src/comb.rs:836:4
[INFO] [stdout]     |
[INFO] [stdout] 836 | fn show_match(egraph: &EGraph, subst: &Subst, pattern: &Pattern<Comb>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COMPOSE_20_COMB` is never used
[INFO] [stdout]    --> src/comb.rs:848:8
[INFO] [stdout]     |
[INFO] [stdout] 848 | static COMPOSE_20_COMB: &str = "($ . ($ C
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `symbol` and `is_plus` are never used
[INFO] [stdout]   --> src/named.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Lambda {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 19 |     pub fn symbol(&self) -> egg::Symbol {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn is_plus(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_symbol` is never used
[INFO] [stdout]   --> src/named.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn var_symbol(expr: &RecExpr<Lambda>, var_id: Id) -> egg::Symbol {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EGraph` is never used
[INFO] [stdout]   --> src/named.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | type EGraph = egg::EGraph<Lambda, LambdaAnalysis>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LambdaAnalysis` is never constructed
[INFO] [stdout]   --> src/named.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct LambdaAnalysis;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/named.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval` is never used
[INFO] [stdout]   --> src/named.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn eval(egraph: &EGraph, enode: &Lambda) -> Option<Lambda> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var` is never used
[INFO] [stdout]    --> src/named.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn var(s: &str) -> Var {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_not_same_var` is never used
[INFO] [stdout]    --> src/named.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn is_not_same_var(v1: Var, v2: Var) -> impl Fn(&mut EGraph, Id, &Subst) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_const` is never used
[INFO] [stdout]    --> src/named.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn is_const(v: Var) -> impl Fn(&mut EGraph, Id, &Subst) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rules` is never used
[INFO] [stdout]    --> src/named.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn rules() -> Vec<Rewrite<Lambda, LambdaAnalysis>> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CaptureAvoid` is never constructed
[INFO] [stdout]    --> src/named.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | struct CaptureAvoid {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COMPOSE_20_LAM` is never used
[INFO] [stdout]    --> src/named.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub static COMPOSE_20_LAM: &str =
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COMPOSE_20_ID` is never used
[INFO] [stdout]    --> src/named.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub static COMPOSE_20_ID: &str =
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "5a3bec9bc8ee0eee98450f4e1171da1e1f610462e1dd0ae1173c6d0c673ed3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3bec9bc8ee0eee98450f4e1171da1e1f610462e1dd0ae1173c6d0c673ed3bb", kill_on_drop: false }`
[INFO] [stdout] 5a3bec9bc8ee0eee98450f4e1171da1e1f610462e1dd0ae1173c6d0c673ed3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc76db61cf069a800bf679a660901bcf4566017a92a99da9dee1b31029d4b77
[INFO] running `Command { std: "docker" "start" "-a" "3dc76db61cf069a800bf679a660901bcf4566017a92a99da9dee1b31029d4b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `show_match` is never used
[INFO] [stdout]    --> src/comb.rs:836:4
[INFO] [stdout]     |
[INFO] [stdout] 836 | fn show_match(egraph: &EGraph, subst: &Subst, pattern: &Pattern<Comb>) -> String {
[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 3.56s
[INFO] running `Command { std: "docker" "inspect" "3dc76db61cf069a800bf679a660901bcf4566017a92a99da9dee1b31029d4b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc76db61cf069a800bf679a660901bcf4566017a92a99da9dee1b31029d4b77", kill_on_drop: false }`
[INFO] [stdout] 3dc76db61cf069a800bf679a660901bcf4566017a92a99da9dee1b31029d4b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a26d4dfd21aed0271b0a8f65902808d4f4e7035d48fc329720a752ba94e835e7
[INFO] running `Command { std: "docker" "start" "-a" "a26d4dfd21aed0271b0a8f65902808d4f4e7035d48fc329720a752ba94e835e7", kill_on_drop: false }`
[INFO] [stderr] warning: function `show_match` is never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/comb.rs:836:4
[INFO] [stdout] running 22 tests
[INFO] [stderr]     |
[INFO] [stdout] test comb::apply_identity ... ok
[INFO] [stderr] 836 | fn show_match(egraph: &EGraph, subst: &Subst, pattern: &Pattern<Comb>) -> String {
[INFO] [stdout] test comb::apply_3 ... ok
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stdout] test comb::assoc_under_lambda ... ok
[INFO] [stderr]     |
[INFO] [stdout] test comb::apply_1 ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test comb::apply_2 ... ok
[INFO] [stderr] 
[INFO] [stdout] test comb::conversion_compose ... ok
[INFO] [stderr] warning: `combinators` (bin "combinators" test) generated 1 warning
[INFO] [stdout] test comb::conversion_let_compose ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] test comb::conversion_compose_many ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/combinators-93b67d5418c51e91)
[INFO] [stdout] test comb::conversion_inc ... ok
[INFO] [stdout] test comb::conversion_let ... ok
[INFO] [stdout] test comb::to_lam_compose ... ok
[INFO] [stdout] test comb::to_lam_inc ... ok
[INFO] [stdout] test comb::to_lam_let ... ok
[INFO] [stdout] test comb::to_lam_let_compose ... ok
[INFO] [stdout] test named::lambda_under ... ok
[INFO] [stdout] test comb::compose_2 ... ok
[INFO] [stdout] test named::lambda_compose_many_id ... ok
[INFO] [stdout] test named::lambda_compose_many ... ok
[INFO] [stdout] test named::lambda_no_explosion ... ok
[INFO] [stdout] test comb::compose_20 ... FAILED
[INFO] [stdout] test comb::compose_20_id ... FAILED
[INFO] [stdout] test comb::explosion ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- comb::compose_20 stdout ----
[INFO] [stdout] Runner report
[INFO] [stdout] =============
[INFO] [stdout]   Stop reason: NodeLimit(12852)
[INFO] [stdout]   Iterations: 23
[INFO] [stdout]   Egraph size: 4973 nodes, 1350 classes, 13118 memo
[INFO] [stdout]   Rebuilds: 2527
[INFO] [stdout]   Total time: 2.421161477
[INFO] [stdout]     Search:  (0.27) 0.662217742
[INFO] [stdout]     Apply:   (0.54) 1.299830879
[INFO] [stdout]     Rebuild: (0.19) 0.4590139569999999
[INFO] [stdout] 
[INFO] [stdout] End (97): ($
[INFO] [stdout]   C
[INFO] [stdout]   ($
[INFO] [stdout]     B
[INFO] [stdout]     +
[INFO] [stdout]     ($
[INFO] [stdout]       .
[INFO] [stdout]       ($
[INFO] [stdout]         C
[INFO] [stdout]         ($
[INFO] [stdout]           CS
[INFO] [stdout]           ($
[INFO] [stdout]             SC
[INFO] [stdout]             ($
[INFO] [stdout]               SS
[INFO] [stdout]               ($ CB I I)
[INFO] [stdout]               ($
[INFO] [stdout]                 CS
[INFO] [stdout]                 ($
[INFO] [stdout]                   SC
[INFO] [stdout]                   ($
[INFO] [stdout]                     CS
[INFO] [stdout]                     ($
[INFO] [stdout]                       SC
[INFO] [stdout]                       ($
[INFO] [stdout]                         CS
[INFO] [stdout]                         ($
[INFO] [stdout]                           SC
[INFO] [stdout]                           ($
[INFO] [stdout]                             CS
[INFO] [stdout]                             ($
[INFO] [stdout]                               SC
[INFO] [stdout]                               ($
[INFO] [stdout]                                 CS
[INFO] [stdout]                                 ($
[INFO] [stdout]                                   SC
[INFO] [stdout]                                   ($
[INFO] [stdout]                                     CS
[INFO] [stdout]                                     ($
[INFO] [stdout]                                       SC
[INFO] [stdout]                                       ($ CS ($ SC ($ CS ($ SC ($ SC ($ BS I ($ CS ($ BC I I) I)) I) I) I) I) I)
[INFO] [stdout]                                       I)
[INFO] [stdout]                                     I)
[INFO] [stdout]                                   I)
[INFO] [stdout]                                 I)
[INFO] [stdout]                               I)
[INFO] [stdout]                             I)
[INFO] [stdout]                           I)
[INFO] [stdout]                         I)
[INFO] [stdout]                       I)
[INFO] [stdout]                     I)
[INFO] [stdout]                   I)
[INFO] [stdout]                 I))
[INFO] [stdout]             I)
[INFO] [stdout]           I)
[INFO] [stdout]         ($ C ($ B + I) 1))
[INFO] [stdout]       ($ CBB I ($ CB I I))))
[INFO] [stdout]   7)
[INFO] [stdout] Trying to prove goal 0: ($ C ($ B + I) 20)
[INFO] [stdout] 
[INFO] [stdout] thread 'comb::compose_20' (31) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/egraph.rs:883:17:
[INFO] [stdout] Could not prove goal 0:
[INFO] [stdout] ($ C ($ B + I) 20)
[INFO] [stdout] Best thing found:
[INFO] [stdout] ($
[INFO] [stdout]   C
[INFO] [stdout]   ($
[INFO] [stdout]     B
[INFO] [stdout]     +
[INFO] [stdout]     ($
[INFO] [stdout]       .
[INFO] [stdout]       ($
[INFO] [stdout]         C
[INFO] [stdout]         ($
[INFO] [stdout]           CS
[INFO] [stdout]           ($
[INFO] [stdout]             SC
[INFO] [stdout]             ($
[INFO] [stdout]               SS
[INFO] [stdout]               ($ CB I I)
[INFO] [stdout]               ($
[INFO] [stdout]                 CS
[INFO] [stdout]                 ($
[INFO] [stdout]                   SC
[INFO] [stdout]                   ($
[INFO] [stdout]                     CS
[INFO] [stdout]                     ($
[INFO] [stdout]                       SC
[INFO] [stdout]                       ($
[INFO] [stdout]                         CS
[INFO] [stdout]                         ($
[INFO] [stdout]                           SC
[INFO] [stdout]                           ($
[INFO] [stdout]                             CS
[INFO] [stdout]                             ($
[INFO] [stdout]                               SC
[INFO] [stdout]                               ($
[INFO] [stdout]                                 CS
[INFO] [stdout]                                 ($
[INFO] [stdout]                                   SC
[INFO] [stdout]                                   ($
[INFO] [stdout]                                     CS
[INFO] [stdout]                                     ($
[INFO] [stdout]                                       SC
[INFO] [stdout]                                       ($
[INFO] [stdout]                                         CS
[INFO] [stdout]                                         ($
[INFO] [stdout]                                           SC
[INFO] [stdout]                                           ($
[INFO] [stdout]                                             CS
[INFO] [stdout]                                             ($
[INFO] [stdout]                                               SC
[INFO] [stdout]                                               ($ SC ($ BS I ($ CS ($ BC I I) I)) I)
[INFO] [stdout]                                               I)
[INFO] [stdout]                                             I)
[INFO] [stdout]                                           I)
[INFO] [stdout]                                         I)
[INFO] [stdout]                                       I)
[INFO] [stdout]                                     I)
[INFO] [stdout]                                   I)
[INFO] [stdout]                                 I)
[INFO] [stdout]                               I)
[INFO] [stdout]                             I)
[INFO] [stdout]                           I)
[INFO] [stdout]                         I)
[INFO] [stdout]                       I)
[INFO] [stdout]                     I)
[INFO] [stdout]                   I)
[INFO] [stdout]                 I))
[INFO] [stdout]             I)
[INFO] [stdout]           I)
[INFO] [stdout]         ($ C ($ B + I) 1))
[INFO] [stdout]       ($ CBB I ($ CB I I))))
[INFO] [stdout]   7)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5570b4d03f72 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5570b4d03f72 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5570b4d03f72 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5570b4d03f72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5570b4d14a2f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5570b4d14a2f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5570b4cd13d1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5570b4cd13d1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5570b4cdd432 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5570b4ce1fdf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5570b4ce1e71 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5570b4c5bace - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5570b4c5bace - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5570b4ce269f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5570b4ce269f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5570b4ce24fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5570b4cdd569 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5570b4cc58ad - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5570b4d1c8f0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5570b4bd95ec - egg::egraph::EGraph<L,N>::check_goals::h647ecc54015cbe39
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/egraph.rs:883:17
[INFO] [stdout]   20:     0x5570b4bd5445 - egg::test::test_runner::h6e749b00ebada10f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/test.rs:83:23
[INFO] [stdout]   21:     0x5570b4b8a314 - combinators::comb::compose_20::h2b7391173732e228
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1023:5
[INFO] [stdout]   22:     0x5570b4b8a417 - combinators::comb::compose_20::{{closure}}::h8bcaf2c197e4ab11
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1020:20
[INFO] [stdout]   23:     0x5570b4bb9026 - core::ops::function::FnOnce::call_once::h12c7db34813d8b13
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5570b4c5b88b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5570b4c5b88b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5570b4c714f5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5570b4c714f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5570b4c714f5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5570b4c714f5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5570b4c714f5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5570b4c714f5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5570b4c714f5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5570b4c47ce4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5570b4c47ce4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5570b4c4b5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5570b4c4b5aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5570b4c4b5aa - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5570b4c4b5aa - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5570b4c4b5aa - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5570b4c4b5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5570b4c4b5aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5570b4cd86cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5570b4cd86cf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x77964e311aa4 - <unknown>
[INFO] [stdout]   45:     0x77964e39ea34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- comb::compose_20_id stdout ----
[INFO] [stdout] Runner report
[INFO] [stdout] =============
[INFO] [stdout]   Stop reason: NodeLimit(16690)
[INFO] [stdout]   Iterations: 22
[INFO] [stdout]   Egraph size: 7576 nodes, 1025 classes, 16758 memo
[INFO] [stdout]   Rebuilds: 2284
[INFO] [stdout]   Total time: 2.6839294789999997
[INFO] [stdout]     Search:  (0.23) 0.621249625
[INFO] [stdout]     Apply:   (0.63) 1.67796258
[INFO] [stdout]     Rebuild: (0.14) 0.384621607
[INFO] [stdout] 
[INFO] [stdout] End (34): ($
[INFO] [stdout]   .
[INFO] [stdout]   I
[INFO] [stdout]   ($
[INFO] [stdout]     .
[INFO] [stdout]     ($
[INFO] [stdout]       C
[INFO] [stdout]       ($ SS I ($ SS I ($ SS I ($ SS I ($ SS I ($ SS I ($ SS I ($ CS I I))))))))
[INFO] [stdout]       I)
[INFO] [stdout]     I))
[INFO] [stdout] Trying to prove goal 0: I
[INFO] [stdout] 
[INFO] [stdout] thread 'comb::compose_20_id' (32) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/egraph.rs:883:17:
[INFO] [stdout] Could not prove goal 0:
[INFO] [stdout] I
[INFO] [stdout] Best thing found:
[INFO] [stdout] ($
[INFO] [stdout]   .
[INFO] [stdout]   I
[INFO] [stdout]   ($
[INFO] [stdout]     .
[INFO] [stdout]     ($
[INFO] [stdout]       C
[INFO] [stdout]       ($
[INFO] [stdout]         SS
[INFO] [stdout]         I
[INFO] [stdout]         ($
[INFO] [stdout]           SS
[INFO] [stdout]           I
[INFO] [stdout]           ($
[INFO] [stdout]             SS
[INFO] [stdout]             I
[INFO] [stdout]             ($
[INFO] [stdout]               SS
[INFO] [stdout]               I
[INFO] [stdout]               ($ SS I ($ SS I ($ SS I ($ CS I I))))))))
[INFO] [stdout]       I)
[INFO] [stdout]     I))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5570b4d03f72 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5570b4d03f72 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5570b4d03f72 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5570b4d03f72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5570b4d14a2f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5570b4d14a2f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5570b4cd13d1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5570b4cd13d1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5570b4cdd432 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5570b4ce1fdf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5570b4ce1e71 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5570b4c5bace - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5570b4c5bace - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5570b4ce269f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5570b4ce269f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5570b4ce24fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5570b4cdd569 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5570b4cc58ad - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5570b4d1c8f0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5570b4bd95ec - egg::egraph::EGraph<L,N>::check_goals::h647ecc54015cbe39
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/egraph.rs:883:17
[INFO] [stdout]   20:     0x5570b4bd5445 - egg::test::test_runner::h6e749b00ebada10f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/egg-0.9.2/src/test.rs:83:23
[INFO] [stdout]   21:     0x5570b4b8ba2b - combinators::comb::compose_20_id::h82d534d47600b6b4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1038:5
[INFO] [stdout]   22:     0x5570b4b8bb47 - combinators::comb::compose_20_id::{{closure}}::h64e02f7b7235a1da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1035:23
[INFO] [stdout]   23:     0x5570b4bbaa86 - core::ops::function::FnOnce::call_once::h9d75458b77b6c186
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5570b4c5b88b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5570b4c5b88b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5570b4c714f5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5570b4c714f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5570b4c714f5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5570b4c714f5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5570b4c714f5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5570b4c714f5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5570b4c714f5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5570b4c47ce4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5570b4c47ce4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5570b4c4b5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5570b4c4b5aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5570b4c4b5aa - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5570b4c4b5aa - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5570b4c4b5aa - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5570b4c4b5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5570b4c4b5aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5570b4cd86cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5570b4cd86cf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x77964e311aa4 - <unknown>
[INFO] [stdout]   45:     0x77964e39ea34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     comb::compose_20
[INFO] [stdout]     comb::compose_20_id
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.93s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin combinators`
[INFO] running `Command { std: "docker" "inspect" "a26d4dfd21aed0271b0a8f65902808d4f4e7035d48fc329720a752ba94e835e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26d4dfd21aed0271b0a8f65902808d4f4e7035d48fc329720a752ba94e835e7", kill_on_drop: false }`
[INFO] [stdout] a26d4dfd21aed0271b0a8f65902808d4f4e7035d48fc329720a752ba94e835e7
