[INFO] fetching crate parol 0.7.0... [INFO] testing parol-0.7.0 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025 [INFO] extracting crate parol 0.7.0 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate parol 0.7.0 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate parol 0.7.0 [INFO] finished tweaking crates.io crate parol 0.7.0 [INFO] tweaked toml for crates.io crate parol 0.7.0 written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate crates.io crate parol 0.7.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6359e0c888e8b5d47255ef2177ed927eb6880d6282e9c7b398bfc5dc30d5015e [INFO] running `Command { std: "docker" "start" "-a" "6359e0c888e8b5d47255ef2177ed927eb6880d6282e9c7b398bfc5dc30d5015e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6359e0c888e8b5d47255ef2177ed927eb6880d6282e9c7b398bfc5dc30d5015e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6359e0c888e8b5d47255ef2177ed927eb6880d6282e9c7b398bfc5dc30d5015e", kill_on_drop: false }` [INFO] [stdout] 6359e0c888e8b5d47255ef2177ed927eb6880d6282e9c7b398bfc5dc30d5015e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12f14990c7ea6077965e2a619b6f5f6958d7cd45b36c1f9f144f0b6e9a05210f [INFO] running `Command { std: "docker" "start" "-a" "12f14990c7ea6077965e2a619b6f5f6958d7cd45b36c1f9f144f0b6e9a05210f", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling is_ci v1.1.1 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling owo-colors v3.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling itertools v0.6.5 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling bart v0.1.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling object v0.26.0 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling supports-hyperlinks v1.2.0 [INFO] [stderr] Compiling supports-unicode v1.0.2 [INFO] [stderr] Compiling supports-color v1.3.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling addr2line v0.16.0 [INFO] [stderr] Compiling bart_derive v0.1.4 [INFO] [stderr] Compiling rand_regex v0.15.1 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling darling_core v0.12.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling miette-derive v4.0.1 [INFO] [stderr] Compiling clap_derive v3.1.0 [INFO] [stderr] Compiling darling_macro v0.12.4 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Compiling derive_builder_core v0.11.1 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling clap v3.1.0 [INFO] [stderr] Compiling miette v4.0.1 [INFO] [stderr] Compiling derive_builder_macro v0.11.1 [INFO] [stderr] Compiling derive_builder v0.11.1 [INFO] [stderr] Compiling snowflake v1.3.0 [INFO] [stderr] Compiling id_tree v1.8.0 [INFO] [stderr] Compiling id_tree_layout v2.0.2 [INFO] [stderr] Compiling parol_runtime v0.5.9 [INFO] [stderr] Compiling parol v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.27s [INFO] running `Command { std: "docker" "inspect" "12f14990c7ea6077965e2a619b6f5f6958d7cd45b36c1f9f144f0b6e9a05210f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f14990c7ea6077965e2a619b6f5f6958d7cd45b36c1f9f144f0b6e9a05210f", kill_on_drop: false }` [INFO] [stdout] 12f14990c7ea6077965e2a619b6f5f6958d7cd45b36c1f9f144f0b6e9a05210f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03641a48a41937f232ee9a93bc10079870e1dde22c6716eab7aba3679398885d [INFO] running `Command { std: "docker" "start" "-a" "03641a48a41937f232ee9a93bc10079870e1dde22c6716eab7aba3679398885d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling parol v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.72s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/parol-544a3d2c0b8a7061) [INFO] [stderr] Executable unittests src/bin/parol/main.rs (/opt/rustwide/target/debug/deps/parol-56555680aa3be0a9) [INFO] [stderr] Executable tests/reproduction_tests.rs (/opt/rustwide/target/debug/deps/reproduction_tests-3a1f2bd28bdf3fba) [INFO] running `Command { std: "docker" "inspect" "03641a48a41937f232ee9a93bc10079870e1dde22c6716eab7aba3679398885d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03641a48a41937f232ee9a93bc10079870e1dde22c6716eab7aba3679398885d", kill_on_drop: false }` [INFO] [stdout] 03641a48a41937f232ee9a93bc10079870e1dde22c6716eab7aba3679398885d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 087fed5fcfeb89dd70a27e208767e16ceafa9209d90a6dfe31d7cf8da9570ee2 [INFO] running `Command { std: "docker" "start" "-a" "087fed5fcfeb89dd70a27e208767e16ceafa9209d90a6dfe31d7cf8da9570ee2", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parol-544a3d2c0b8a7061) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test analysis::k_tuple::test::check_k_concat ... ok [INFO] [stdout] test analysis::k_tuple::test::check_terminals ... ok [INFO] [stdout] test conversions::par::grammar_to_par::test::check_par_format ... ok [INFO] [stdout] test analysis::k_decision::test::check_calculate_k ... ok [INFO] [stdout] test generators::grammar_config::test::check_generate_augmented_terminals ... ok [INFO] [stdout] test analysis::k_decision::test::check_decidable ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_grp_case_1 ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_grp_case_2 ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_opt_case_1 ... ok [INFO] [stdout] test grammar::cfg::test::check_serialization ... ok [INFO] [stdout] test generators::grammar_type_generator::tests::test_presentation_of_grammar_2 ... ok [INFO] [stdout] test conversions::dot::grammar_to_dot::test::check_dot_format ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_rep_case_1 ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_opt_case_2 ... ok [INFO] [stdout] test transformation::canonicalization::test::eliminate_single_rep_case_2 ... ok [INFO] [stdout] test transformation::left_factoring::tests::check_find_prefix_1 ... ok [INFO] [stdout] test transformation::left_factoring::tests::check_find_prefix_2 ... ok [INFO] [stdout] test transformation::left_factoring::tests::check_find_prefix_on_single ... ok [INFO] [stdout] test transformation::left_factoring::tests::check_find_prefix_on_diffs ... ok [INFO] [stdout] test transformation::left_factoring::tests::check_find_prefix_on_empty ... ok [INFO] [stdout] test generators::grammar_type_generator::tests::test_presentation_of_type_info_1 ... ok [INFO] [stdout] test generators::grammar_type_generator::tests::test_presentation_of_type_info_2 ... ok [INFO] [stdout] test generators::grammar_type_generator::tests::test_presentation_of_grammar_1 ... ok [INFO] [stderr] Running unittests src/bin/parol/main.rs (/opt/rustwide/target/debug/deps/parol-56555680aa3be0a9) [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running tests/reproduction_tests.rs (/opt/rustwide/target/debug/deps/reproduction_tests-3a1f2bd28bdf3fba) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test reproduction_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stderr] Doc-tests parol [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test src/build.rs - build (line 21) ... ignored [INFO] [stdout] test src/grammar/cfg.rs - grammar::cfg::Cfg::calculate_nullable_non_terminals (line 214) ... ok [INFO] [stdout] test src/grammar/production.rs - grammar::production::Pr::fmt (line 32) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::reachable_from_production (line 107) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::unreachable_non_terminals (line 62) ... ok [INFO] [stdout] test src/generators/naming_helper.rs - generators::naming_helper::NamingHelper::to_lower_snake_case (line 56) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::reachable_non_terminals (line 7) ... ok [INFO] [stdout] test src/generators/naming_helper.rs - generators::naming_helper::NamingHelper::is_rust_keyword (line 19) ... ok [INFO] [stdout] test src/generators/naming_helper.rs - generators::naming_helper::NamingHelper::to_upper_camel_case (line 95) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::reachable_from_non_terminal (line 226) ... ok [INFO] [stdout] test src/analysis/k_tuples.rs - analysis::k_tuples::KTuples::k_concat (line 106) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::nt_producing_productions (line 320) ... ok [INFO] [stdout] test src/analysis/reachability.rs - analysis::reachability::nt_reachability (line 387) ... ok [INFO] [stdout] test src/generators/naming_helper.rs - generators::naming_helper::NamingHelper::escape_rust_keyword (line 29) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "087fed5fcfeb89dd70a27e208767e16ceafa9209d90a6dfe31d7cf8da9570ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "087fed5fcfeb89dd70a27e208767e16ceafa9209d90a6dfe31d7cf8da9570ee2", kill_on_drop: false }` [INFO] [stdout] 087fed5fcfeb89dd70a27e208767e16ceafa9209d90a6dfe31d7cf8da9570ee2