[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 against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnadia-polikarpova%2Frouters" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nadia-polikarpova/routers on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbol_table v0.2.0
[INFO] [stderr]   Downloaded egg v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 790a587fa508a42ebd74aee1269d5dc1708246b1a7862604d77b9047ca50b235
[INFO] running `Command { std: "docker" "start" "-a" "790a587fa508a42ebd74aee1269d5dc1708246b1a7862604d77b9047ca50b235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790a587fa508a42ebd74aee1269d5dc1708246b1a7862604d77b9047ca50b235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790a587fa508a42ebd74aee1269d5dc1708246b1a7862604d77b9047ca50b235", kill_on_drop: false }`
[INFO] [stdout] 790a587fa508a42ebd74aee1269d5dc1708246b1a7862604d77b9047ca50b235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1097e46eefa71a264fd233cc37b9571284a1640357aebb0649cde090949d802
[INFO] running `Command { std: "docker" "start" "-a" "b1097e46eefa71a264fd233cc37b9571284a1640357aebb0649cde090949d802", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[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 ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling quote v1.0.23
[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 thiserror 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 9.28s
[INFO] running `Command { std: "docker" "inspect" "b1097e46eefa71a264fd233cc37b9571284a1640357aebb0649cde090949d802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1097e46eefa71a264fd233cc37b9571284a1640357aebb0649cde090949d802", kill_on_drop: false }`
[INFO] [stdout] b1097e46eefa71a264fd233cc37b9571284a1640357aebb0649cde090949d802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a921fadec5d13724b62e849c821586ab461c4d55dc36ca523aca3da825f55a04
[INFO] running `Command { std: "docker" "start" "-a" "a921fadec5d13724b62e849c821586ab461c4d55dc36ca523aca3da825f55a04", 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 3.26s
[INFO] running `Command { std: "docker" "inspect" "a921fadec5d13724b62e849c821586ab461c4d55dc36ca523aca3da825f55a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a921fadec5d13724b62e849c821586ab461c4d55dc36ca523aca3da825f55a04", kill_on_drop: false }`
[INFO] [stdout] a921fadec5d13724b62e849c821586ab461c4d55dc36ca523aca3da825f55a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25b465a24c0e0b13d5ea4739550ffa1882bbda7db8b2c47b3a833c952f71a481
[INFO] running `Command { std: "docker" "start" "-a" "25b465a24c0e0b13d5ea4739550ffa1882bbda7db8b2c47b3a833c952f71a481", kill_on_drop: false }`
[INFO] [stderr] warning: function `show_match` is never used
[INFO] [stderr]    --> src/comb.rs:836:4
[INFO] [stderr]     |
[INFO] [stderr] 836 | fn show_match(egraph: &EGraph, subst: &Subst, pattern: &Pattern<Comb>) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `combinators` (bin "combinators" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/combinators-a136f860112acd76)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test comb::apply_identity ... ok
[INFO] [stdout] test comb::assoc_under_lambda ... ok
[INFO] [stdout] test comb::conversion_inc ... ok
[INFO] [stdout] test comb::conversion_compose ... ok
[INFO] [stdout] test comb::to_lam_inc ... ok
[INFO] [stdout] test comb::conversion_let_compose ... ok
[INFO] [stdout] test comb::to_lam_compose ... ok
[INFO] [stdout] test comb::apply_2 ... ok
[INFO] [stdout] test comb::conversion_let ... ok
[INFO] [stdout] test comb::to_lam_let_compose ... ok
[INFO] [stdout] test comb::conversion_compose_many ... ok
[INFO] [stdout] test comb::apply_1 ... ok
[INFO] [stdout] test comb::compose_2 ... ok
[INFO] [stdout] test named::lambda_under ... ok
[INFO] [stdout] test comb::to_lam_let ... ok
[INFO] [stdout] test comb::apply_3 ... 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: 2.248655952
[INFO] [stdout]     Search:  (0.30) 0.674939468
[INFO] [stdout]     Apply:   (0.52) 1.1713363380000001
[INFO] [stdout]     Rebuild: (0.18) 0.40227895399999997
[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:     0x6114e26ddd72 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6114e26ddd72 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6114e26ddd72 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x6114e26ddd72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x6114e26ee2f7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6114e26ee2f7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x6114e26aca16 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6114e26aca16 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6114e26bd089 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x6114e26bd089 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6114e26bcf21 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6114e26413fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6114e26413fe - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6114e26bd302 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6114e26bd302 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6114e26bd148 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6114e26b86c9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x6114e26a17dd - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6114e26f5c2c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6114e25f7273 - egg::egraph::EGraph<L,N>::check_goals::hbe2e2cf6b9a33026
[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:     0x6114e25f3cfd - egg::test::test_runner::hc6d077c9aa0cabb5
[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:     0x6114e255ccf4 - combinators::comb::compose_20::hd526bece3760936c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1023:5
[INFO] [stdout]   22:     0x6114e255cdf7 - combinators::comb::compose_20::{{closure}}::hb6254aae053ea60f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1020:20
[INFO] [stdout]   23:     0x6114e25db4e6 - core::ops::function::FnOnce::call_once::ha2b57c9ce7523a88
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6114e264122b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6114e264122b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6114e2654bba - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6114e2654bba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6114e2654bba - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6114e2654bba - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6114e2654bba - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6114e2654bba - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6114e2654bba - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6114e262ee54 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6114e262ee54 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x6114e2632782 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x6114e2632782 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6114e2632782 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6114e2632782 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6114e2632782 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6114e2632782 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x6114e2632782 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6114e26b3d4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x6114e26b3d4f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7e78196c7aa4 - <unknown>
[INFO] [stdout]   45:     0x7e7819754a64 - 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: 2.407514087
[INFO] [stdout]     Search:  (0.24) 0.585675461
[INFO] [stdout]     Apply:   (0.64) 1.5413672250000001
[INFO] [stdout]     Rebuild: (0.12) 0.28032249200000003
[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] [stderr] error: test failed, to rerun pass `--bin combinators`
[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:     0x6114e26ddd72 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6114e26ddd72 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6114e26ddd72 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x6114e26ddd72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x6114e26ee2f7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6114e26ee2f7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x6114e26aca16 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6114e26aca16 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6114e26bd089 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x6114e26bd089 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6114e26bcf21 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6114e26413fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6114e26413fe - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6114e26bd302 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6114e26bd302 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6114e26bd148 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6114e26b86c9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x6114e26a17dd - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6114e26f5c2c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6114e25f7273 - egg::egraph::EGraph<L,N>::check_goals::hbe2e2cf6b9a33026
[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:     0x6114e25f3cfd - egg::test::test_runner::hc6d077c9aa0cabb5
[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:     0x6114e255e42b - combinators::comb::compose_20_id::heb1021277279e9b0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1038:5
[INFO] [stdout]   22:     0x6114e255e547 - combinators::comb::compose_20_id::{{closure}}::hbdf1890b8e6c269d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1035:23
[INFO] [stdout]   23:     0x6114e25dab26 - core::ops::function::FnOnce::call_once::h6bdd9c901018389c
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6114e264122b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6114e264122b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6114e2654bba - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6114e2654bba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6114e2654bba - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6114e2654bba - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6114e2654bba - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6114e2654bba - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6114e2654bba - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6114e262ee54 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6114e262ee54 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x6114e2632782 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x6114e2632782 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6114e2632782 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6114e2632782 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6114e2632782 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6114e2632782 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x6114e2632782 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6114e26b3d4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x6114e26b3d4f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7e78196c7aa4 - <unknown>
[INFO] [stdout]   45:     0x7e7819754a64 - 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 7.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25b465a24c0e0b13d5ea4739550ffa1882bbda7db8b2c47b3a833c952f71a481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b465a24c0e0b13d5ea4739550ffa1882bbda7db8b2c47b3a833c952f71a481", kill_on_drop: false }`
[INFO] [stdout] 25b465a24c0e0b13d5ea4739550ffa1882bbda7db8b2c47b3a833c952f71a481
