[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 beta-2024-12-08 for beta-1.84.0-4-retry
[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] validating manifest of git repo https://github.com/nadia-polikarpova/routers on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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-2024-12-08" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3415fbbc5ee5cf20e36635ae5bdffb5df92a8ac8335a785458f77ef7b91be65
[INFO] running `Command { std: "docker" "start" "-a" "e3415fbbc5ee5cf20e36635ae5bdffb5df92a8ac8335a785458f77ef7b91be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3415fbbc5ee5cf20e36635ae5bdffb5df92a8ac8335a785458f77ef7b91be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3415fbbc5ee5cf20e36635ae5bdffb5df92a8ac8335a785458f77ef7b91be65", kill_on_drop: false }`
[INFO] [stdout] e3415fbbc5ee5cf20e36635ae5bdffb5df92a8ac8335a785458f77ef7b91be65
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e1d183aa271ebc113fae75045b562ff2a0dde0af0f9e1d9f81548da14d9bf23
[INFO] running `Command { std: "docker" "start" "-a" "4e1d183aa271ebc113fae75045b562ff2a0dde0af0f9e1d9f81548da14d9bf23", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling version_check v0.9.4
[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 autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[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 getrandom v0.2.8
[INFO] [stderr]    Compiling env_logger v0.9.3
[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)]` 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_routers` is never used
[INFO] [stdout]   --> src/comb.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Comb {
[INFO] [stdout]    | --------- associated function in this implementation
[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: 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: method `symbol` is never used
[INFO] [stdout]   --> src/named.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Lambda {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 19 |     pub fn symbol(&self) -> egg::Symbol {
[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: 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 13.30s
[INFO] running `Command { std: "docker" "inspect" "4e1d183aa271ebc113fae75045b562ff2a0dde0af0f9e1d9f81548da14d9bf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1d183aa271ebc113fae75045b562ff2a0dde0af0f9e1d9f81548da14d9bf23", kill_on_drop: false }`
[INFO] [stdout] 4e1d183aa271ebc113fae75045b562ff2a0dde0af0f9e1d9f81548da14d9bf23
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385f0f068c41e7db0fc243aa7edbc6a373e02c52ba5ec319a2276b54f6e35c90
[INFO] running `Command { std: "docker" "start" "-a" "385f0f068c41e7db0fc243aa7edbc6a373e02c52ba5ec319a2276b54f6e35c90", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "385f0f068c41e7db0fc243aa7edbc6a373e02c52ba5ec319a2276b54f6e35c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385f0f068c41e7db0fc243aa7edbc6a373e02c52ba5ec319a2276b54f6e35c90", kill_on_drop: false }`
[INFO] [stdout] 385f0f068c41e7db0fc243aa7edbc6a373e02c52ba5ec319a2276b54f6e35c90
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44b27863ab1e01806fa294bc076e1962f53b467c849e7f1dfe041f416c1dfc49
[INFO] running `Command { std: "docker" "start" "-a" "44b27863ab1e01806fa294bc076e1962f53b467c849e7f1dfe041f416c1dfc49", 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)]` 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 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/combinators-269401c19eeb278b)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test comb::apply_1 ... ok
[INFO] [stdout] test comb::apply_3 ... ok
[INFO] [stdout] test comb::conversion_compose ... ok
[INFO] [stdout] test comb::apply_2 ... ok
[INFO] [stdout] test comb::apply_identity ... ok
[INFO] [stdout] test comb::assoc_under_lambda ... ok
[INFO] [stdout] test comb::conversion_let ... ok
[INFO] [stdout] test comb::conversion_let_compose ... ok
[INFO] [stdout] test comb::to_lam_inc ... ok
[INFO] [stdout] test comb::to_lam_let ... ok
[INFO] [stdout] test comb::conversion_inc ... ok
[INFO] [stdout] test comb::to_lam_compose ... ok
[INFO] [stdout] test comb::conversion_compose_many ... 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 comb::compose_20 ... FAILED
[INFO] [stdout] test named::lambda_no_explosion ... ok
[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: 4.225057649
[INFO] [stdout]     Search:  (0.28) 1.179010133
[INFO] [stdout]     Apply:   (0.54) 2.2834032539999995
[INFO] [stdout]     Rebuild: (0.18) 0.762549734
[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] thread 'comb::compose_20' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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:     0x5cabba3ad22a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5cabba3ad22a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5cabba3ad22a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cabba3ad22a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cabba3d31f3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5cabba3d31f3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5cabba3aa3c3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5cabba3ad072 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5cabba3ae6ad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5cabba3ae4b7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5cabba32f467 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5cabba32f467 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5cabba3aed58 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5cabba3aed58 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5cabba3aeb1a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5cabba3ad709 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5cabba3ae7ac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5cabba187b50 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5cabba2d3663 - egg::egraph::EGraph<L,N>::check_goals::h46a2c80ae6a6b187
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.2/src/egraph.rs:883:17
[INFO] [stdout]   19:     0x5cabba2ceb19 - egg::test::test_runner::ha3b0ca7ab7053b4a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.2/src/test.rs:83:9
[INFO] [stdout]   20:     0x5cabba21fbdc - combinators::comb::compose_20::h1a84de075f3576a8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1023:5
[INFO] [stdout]   21:     0x5cabba21f767 - combinators::comb::compose_20::{{closure}}::hc3f9b7845e9848da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1020:20
[INFO] [stdout]   22:     0x5cabba28ea46 - core::ops::function::FnOnce::call_once::h5011d7ee997ff4bf
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5cabba333f8b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cabba333f8b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5cabba333978 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5cabba333978 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5cabba333978 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5cabba333978 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5cabba333978 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5cabba333978 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5cabba333978 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5cabba2f741a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5cabba2f741a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5cabba2fad94 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5cabba2fad94 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5cabba2fad94 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5cabba2fad94 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5cabba2fad94 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5cabba2fad94 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5cabba2fad94 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5cabba3b2cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5cabba3b2cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5cabba3b2cab - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x77c5824c9ac3 - <unknown>
[INFO] [stdout]   45:     0x77c58255aa04 - 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: 4.726480344
[INFO] [stdout]     Search:  (0.23) 1.083704464
[INFO] [stdout]     Apply:   (0.61) 2.8948914180000003
[INFO] [stdout]     Rebuild: (0.16) 0.747778895
[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] thread 'comb::compose_20_id' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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:     0x5cabba3ad22a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5cabba3ad22a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5cabba3ad22a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cabba3ad22a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cabba3d31f3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5cabba3d31f3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5cabba3aa3c3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5cabba3ad072 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5cabba3ae6ad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5cabba3ae4b7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5cabba32f467 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5cabba32f467 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5cabba3aed58 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5cabba3aed58 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5cabba3aeb1a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5cabba3ad709 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5cabba3ae7ac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5cabba187b50 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5cabba2d3663 - egg::egraph::EGraph<L,N>::check_goals::h46a2c80ae6a6b187
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.2/src/egraph.rs:883:17
[INFO] [stdout]   19:     0x5cabba2ceb19 - egg::test::test_runner::ha3b0ca7ab7053b4a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/egg-0.9.2/src/test.rs:83:9
[INFO] [stdout]   20:     0x5cabba220103 - combinators::comb::compose_20_id::h060196ea21b4bc16
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1038:5
[INFO] [stdout]   21:     0x5cabba21fce7 - combinators::comb::compose_20_id::{{closure}}::h1f9876674e89d732
[INFO] [stdout]                                at /opt/rustwide/workdir/src/comb.rs:1035:23
[INFO] [stdout]   22:     0x5cabba28fb66 - core::ops::function::FnOnce::call_once::hbc32459d2e646dfc
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5cabba333f8b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cabba333f8b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5cabba333978 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5cabba333978 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5cabba333978 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5cabba333978 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5cabba333978 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5cabba333978 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5cabba333978 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5cabba2f741a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5cabba2f741a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5cabba2fad94 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5cabba2fad94 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5cabba2fad94 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5cabba2fad94 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5cabba2fad94 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5cabba2fad94 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5cabba2fad94 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5cabba3b2cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5cabba3b2cab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5cabba3b2cab - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x77c5824c9ac3 - <unknown>
[INFO] [stdout]   45:     0x77c58255aa04 - 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 11.82s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin combinators`
[INFO] running `Command { std: "docker" "inspect" "44b27863ab1e01806fa294bc076e1962f53b467c849e7f1dfe041f416c1dfc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b27863ab1e01806fa294bc076e1962f53b467c849e7f1dfe041f416c1dfc49", kill_on_drop: false }`
[INFO] [stdout] 44b27863ab1e01806fa294bc076e1962f53b467c849e7f1dfe041f416c1dfc49
