[INFO] cloning repository https://github.com/patorikkulee/regex-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patorikkulee/regex-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatorikkulee%2Fregex-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatorikkulee%2Fregex-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfed1c30ea78ed17905f3978c43bbe577c4f7ba7
[INFO] testing patorikkulee/regex-synth against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatorikkulee%2Fregex-synth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patorikkulee/regex-synth on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patorikkulee/regex-synth
[INFO] finished tweaking git repo https://github.com/patorikkulee/regex-synth
[INFO] tweaked toml for git repo https://github.com/patorikkulee/regex-synth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/patorikkulee/regex-synth 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 598d2e74f7ef7a57a95a5ec80d05a8c866cea8282b84792b4fe315c6093f1fc3
[INFO] running `Command { std: "docker" "start" "-a" "598d2e74f7ef7a57a95a5ec80d05a8c866cea8282b84792b4fe315c6093f1fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598d2e74f7ef7a57a95a5ec80d05a8c866cea8282b84792b4fe315c6093f1fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598d2e74f7ef7a57a95a5ec80d05a8c866cea8282b84792b4fe315c6093f1fc3", kill_on_drop: false }`
[INFO] [stdout] 598d2e74f7ef7a57a95a5ec80d05a8c866cea8282b84792b4fe315c6093f1fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879519d2553df45d746d32d9947a6e96917689a078f5ea1cb81f5c7820cc8f03
[INFO] running `Command { std: "docker" "start" "-a" "879519d2553df45d746d32d9947a6e96917689a078f5ea1cb81f5c7820cc8f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling cute v0.3.0
[INFO] [stderr]    Compiling random-string v1.0.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling priority-queue v1.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]    Compiling regexsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `seq::index`
[INFO] [stdout]  --> src/utils.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{seq::index, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]   --> src/utils.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashSet, fmt::write, vec};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flame as f`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use flame as f;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::State`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use utils::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `have_at_most_two_0s`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let have_at_most_two_0s: TestCase = TestCase::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_have_at_most_two_0s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let length_is_at_least_3_and_the_third_symbol_is_0: TestCase = TestCase::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `each_0_is_followed_by_at_least_one_1`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let each_0_is_followed_by_at_least_one_1: TestCase = TestCase::new(
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_each_0_is_followed_by_at_least_one_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `negative_examples` is never used
[INFO] [stdout]    --> src/utils.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 | pub fn negative_examples(condition: &str, set_len: usize) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cost` is never used
[INFO] [stdout]    --> src/utils.rs:437:8
[INFO] [stdout]     |
[INFO] [stdout] 437 | pub fn get_cost(regexp: String) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "879519d2553df45d746d32d9947a6e96917689a078f5ea1cb81f5c7820cc8f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879519d2553df45d746d32d9947a6e96917689a078f5ea1cb81f5c7820cc8f03", kill_on_drop: false }`
[INFO] [stdout] 879519d2553df45d746d32d9947a6e96917689a078f5ea1cb81f5c7820cc8f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49821e40dbd3d12737b54af2c4fa16941b9c1ecbb6af9ae6ca4e44d10479719a
[INFO] running `Command { std: "docker" "start" "-a" "49821e40dbd3d12737b54af2c4fa16941b9c1ecbb6af9ae6ca4e44d10479719a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regexsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `seq::index`
[INFO] [stdout]  --> src/utils.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{seq::index, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::string;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]   --> src/utils.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashSet, fmt::write, vec};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flame as f`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use flame as f;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/main.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]    --> src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use std::collections::LinkedList;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `have_at_most_two_0s`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let have_at_most_two_0s: TestCase = TestCase::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_have_at_most_two_0s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let length_is_at_least_3_and_the_third_symbol_is_0: TestCase = TestCase::new(
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `each_0_is_followed_by_at_least_one_1`
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let each_0_is_followed_by_at_least_one_1: TestCase = TestCase::new(
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_each_0_is_followed_by_at_least_one_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/main.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let state: utils::State = utils::synth(&ps, &ns, false, false);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `negative_examples` is never used
[INFO] [stdout]    --> src/utils.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 | pub fn negative_examples(condition: &str, set_len: usize) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cost` is never used
[INFO] [stdout]    --> src/utils.rs:437:8
[INFO] [stdout]     |
[INFO] [stdout] 437 | pub fn get_cost(regexp: String) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "49821e40dbd3d12737b54af2c4fa16941b9c1ecbb6af9ae6ca4e44d10479719a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49821e40dbd3d12737b54af2c4fa16941b9c1ecbb6af9ae6ca4e44d10479719a", kill_on_drop: false }`
[INFO] [stdout] 49821e40dbd3d12737b54af2c4fa16941b9c1ecbb6af9ae6ca4e44d10479719a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdc68d9b4b9b2ab13cc6967c8d85f6197ddd639f5fab41c05e1c322c894a8ed0
[INFO] running `Command { std: "docker" "start" "-a" "fdc68d9b4b9b2ab13cc6967c8d85f6197ddd639f5fab41c05e1c322c894a8ed0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `seq::index`
[INFO] [stderr]  --> src/utils.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{seq::index, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]  --> src/utils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::string;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt::write`
[INFO] [stderr]   --> src/utils.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::{collections::HashSet, fmt::write, vec};
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flame as f`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use flame as f;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::LinkedList`
[INFO] [stderr]    --> src/main.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     use std::collections::LinkedList;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `have_at_most_two_0s`
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let have_at_most_two_0s: TestCase = TestCase::new(
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_have_at_most_two_0s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let length_is_at_least_3_and_the_third_symbol_is_0: TestCase = TestCase::new(
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_length_is_at_least_3_and_the_third_symbol_is_0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `each_0_is_followed_by_at_least_one_1`
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let each_0_is_followed_by_at_least_one_1: TestCase = TestCase::new(
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_each_0_is_followed_by_at_least_one_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/main.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let state: utils::State = utils::synth(&ps, &ns, false, false);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: function `negative_examples` is never used
[INFO] [stderr]    --> src/utils.rs:395:8
[INFO] [stderr]     |
[INFO] [stderr] 395 | pub fn negative_examples(condition: &str, set_len: usize) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_cost` is never used
[INFO] [stderr]    --> src/utils.rs:437:8
[INFO] [stderr]     |
[INFO] [stderr] 437 | pub fn get_cost(regexp: String) -> usize {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `regexsynth` (bin "regexsynth" test) generated 14 warnings (run `cargo fix --bin "regexsynth" --tests` to apply 12 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/regexsynth-7a9452289fe47b68)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::update_test ... ok
[INFO] [stdout] test test::is_really_redundant ... ok
[INFO] [stdout] test test::is_inside_or_works ... FAILED
[INFO] [stdout] test test::start_with_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::is_inside_or_works stdout ----
[INFO] [stdout] thread 'test::is_inside_or_works' panicked at src/utils.rs:160:17:
[INFO] [stdout] byte index 19 is out of bounds of `^((( | | ))*)*$`
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56305b00cd0c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56305b00cd0c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56305b00cd0c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x56305b00cd0c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56305b037080 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56305b037080 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56305b00a6bf - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x56305b00caf4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56305b00caf4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56305b00e7b7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x56305b00e4a3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56305ae1fca7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x56305ae1fca7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56305b00edc8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x56305b00edc8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x56305b00eb1e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x56305b00d1d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x56305b00e882 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x56305add22a5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56305b03a3d5 - core::str::slice_error_fail_rt::h3819520b945aabff
[INFO] [stdout]   20:     0x56305add2b47 - core::str::slice_error_fail::hb822a60a30984aee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/str/mod.rs:88:9
[INFO] [stdout]   21:     0x56305ade97e4 - core::str::traits::<impl core::slice::index::SliceIndex<str> for core::ops::range::Range<usize>>::index::he3090858352e2a57
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/str/traits.rs:235:21
[INFO] [stdout]   22:     0x56305ade97e4 - core::str::traits::<impl core::ops::index::Index<I> for str>::index::hf7b5008b77f420ea
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/str/traits.rs:61:15
[INFO] [stdout]   23:     0x56305ade97e4 - <alloc::string::String as core::ops::index::Index<core::ops::range::Range<usize>>>::index::h9a4e0eb51795e53b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/string.rs:2437:18
[INFO] [stdout]   24:     0x56305addf86e - regexsynth::utils::is_inside_or::he74e6ef983a842be
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils.rs:160:17
[INFO] [stdout]   25:     0x56305ade91ef - regexsynth::test::is_inside_or_works::h4b26764348da11b9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:192:17
[INFO] [stdout]   26:     0x56305ade90c7 - regexsynth::test::is_inside_or_works::{{closure}}::ha26bf0d16d899c1e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:185:28
[INFO] [stdout]   27:     0x56305add7e76 - core::ops::function::FnOnce::call_once::h105f952184088922
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x56305ae252ff - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x56305ae252ff - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   30:     0x56305ae24315 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   31:     0x56305ae24315 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x56305ae24315 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   33:     0x56305ae24315 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   34:     0x56305ae24315 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   35:     0x56305ae24315 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   36:     0x56305ae24315 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   37:     0x56305adec5d6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   38:     0x56305adec5d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   39:     0x56305adf1687 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   40:     0x56305adf1687 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x56305adf1687 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   42:     0x56305adf1687 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   43:     0x56305adf1687 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   44:     0x56305adf1687 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   45:     0x56305adf1687 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x56305b013855 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   47:     0x56305b013855 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   48:     0x56305b013855 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7f6b72459ac3 - <unknown>
[INFO] [stdout]   50:     0x7f6b724eabf4 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::is_inside_or_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin regexsynth`
[INFO] running `Command { std: "docker" "inspect" "fdc68d9b4b9b2ab13cc6967c8d85f6197ddd639f5fab41c05e1c322c894a8ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc68d9b4b9b2ab13cc6967c8d85f6197ddd639f5fab41c05e1c322c894a8ed0", kill_on_drop: false }`
[INFO] [stdout] fdc68d9b4b9b2ab13cc6967c8d85f6197ddd639f5fab41c05e1c322c894a8ed0
