[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] checking patorikkulee/regex-synth against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatorikkulee%2Fregex-synth" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/patorikkulee/regex-synth on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded random-string v1.0.0 [INFO] [stderr] Downloaded cute v0.3.0 [INFO] [stderr] Downloaded flamer v0.3.0 [INFO] [stderr] Downloaded flame v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a887b477c642fc9cacbe73524802eca8b59982b3120e27f00fbb10a630996419 [INFO] running `Command { std: "docker" "start" "-a" "a887b477c642fc9cacbe73524802eca8b59982b3120e27f00fbb10a630996419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a887b477c642fc9cacbe73524802eca8b59982b3120e27f00fbb10a630996419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a887b477c642fc9cacbe73524802eca8b59982b3120e27f00fbb10a630996419", kill_on_drop: false }` [INFO] [stdout] a887b477c642fc9cacbe73524802eca8b59982b3120e27f00fbb10a630996419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5724260c4f1ec4e6e9bcf0c398f76df2d48682a180f0c996747043a208f4cb00 [INFO] running `Command { std: "docker" "start" "-a" "5724260c4f1ec4e6e9bcf0c398f76df2d48682a180f0c996747043a208f4cb00", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling priority-queue v1.3.2 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking random-string v1.0.0 [INFO] [stderr] Checking cute v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking flame v0.2.2 [INFO] [stderr] Compiling flamer v0.3.0 [INFO] [stderr] Checking 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` and `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 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` and `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: `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 { [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: 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 { [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] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.82s [INFO] running `Command { std: "docker" "inspect" "5724260c4f1ec4e6e9bcf0c398f76df2d48682a180f0c996747043a208f4cb00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5724260c4f1ec4e6e9bcf0c398f76df2d48682a180f0c996747043a208f4cb00", kill_on_drop: false }` [INFO] [stdout] 5724260c4f1ec4e6e9bcf0c398f76df2d48682a180f0c996747043a208f4cb00