[INFO] cloning repository https://github.com/b-eyselein/rust_ebnf_tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b-eyselein/rust_ebnf_tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dab4f7441de417e419b49a54bae3874d19b3cc08
[INFO] testing b-eyselein/rust_ebnf_tester against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b-eyselein/rust_ebnf_tester on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b-eyselein/rust_ebnf_tester
[INFO] finished tweaking git repo https://github.com/b-eyselein/rust_ebnf_tester
[INFO] tweaked toml for git repo https://github.com/b-eyselein/rust_ebnf_tester written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/b-eyselein/rust_ebnf_tester 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2370ff9c19114743615e23e19ca9558b5f7e2f071d05877e74508748c7b5fb72
[INFO] running `Command { std: "docker" "start" "-a" "2370ff9c19114743615e23e19ca9558b5f7e2f071d05877e74508748c7b5fb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2370ff9c19114743615e23e19ca9558b5f7e2f071d05877e74508748c7b5fb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2370ff9c19114743615e23e19ca9558b5f7e2f071d05877e74508748c7b5fb72", kill_on_drop: false }`
[INFO] [stdout] 2370ff9c19114743615e23e19ca9558b5f7e2f071d05877e74508748c7b5fb72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cf14623da1048d3e8ccd3ef0e460d6e41d6e7c206ccf4d36eb9805f19ff0b9d
[INFO] running `Command { std: "docker" "start" "-a" "3cf14623da1048d3e8ccd3ef0e460d6e41d6e7c206ccf4d36eb9805f19ff0b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ebnf_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Epsilon`, `Terminal`, `Variable`, `Optional`, `Alternative`, and `Sequence` are never constructed
[INFO] [stdout]   --> src/backus_naur_form.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum BackusNaurProduction {
[INFO] [stdout]    |          -------------------- variants in this enum
[INFO] [stdout] 5  |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     Terminal(Terminal),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 7  |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 8  |     Optional(Box<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     Alternative(Vec<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     Sequence(Vec<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BackusNaurProduction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cell` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cell<'a> = HashSet<&'a char>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Row` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Row<'a> = Vec<Cell<'a>>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChomskyTable` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type ChomskyTable<'a> = Vec<Row<'a>>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChomskyGrammar` is never constructed
[INFO] [stdout]   --> src/chomsky_normal_form.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ChomskyGrammar {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search_rules_producing_terminal`, `search_rules_producing_sequence`, `build_table`, and `derive` are never used
[INFO] [stdout]   --> src/chomsky_normal_form.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ChomskyGrammar {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 17 |     /// checks which vars produce c as terminal...
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn derive(&self, word: &[char]) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChomskyProduction` is never used
[INFO] [stdout]  --> src/chomsky_production.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ChomskyProduction {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `produces_terminal` and `produces_sequence` are never used
[INFO] [stdout]   --> src/chomsky_production.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl ChomskyProduction {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 9  |     pub fn produces_terminal(&self, c: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn produces_sequence(&self, var1: &char, var2: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_child_elements` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_variable` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn next_variable() -> Variable {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_bnf` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/extended_backus_naur_form/ebnf_element.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum ExtendedBackusNaurProduction {
[INFO] [stdout]    |          ---------------------------- variants in this enum
[INFO] [stdout] 7  |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     Terminal(Terminal),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Optional(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     RepetitionZero(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     RepetitionOne(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     Alternative(Vec<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     Sequence(Vec<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendedBackusNaurProduction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `simple` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/element_conversion_result.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ElementConversionResult<'_> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn simple(output_element: BackusNaurProduction) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/element_conversion_result.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ElementsConversionResult<'_> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 35 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "3cf14623da1048d3e8ccd3ef0e460d6e41d6e7c206ccf4d36eb9805f19ff0b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf14623da1048d3e8ccd3ef0e460d6e41d6e7c206ccf4d36eb9805f19ff0b9d", kill_on_drop: false }`
[INFO] [stdout] 3cf14623da1048d3e8ccd3ef0e460d6e41d6e7c206ccf4d36eb9805f19ff0b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5fa19bb65480a181b65b054b3515577b7d4adc5f2c17d0fd702ec86e092ae7b
[INFO] running `Command { std: "docker" "start" "-a" "a5fa19bb65480a181b65b054b3515577b7d4adc5f2c17d0fd702ec86e092ae7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ebnf_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a5fa19bb65480a181b65b054b3515577b7d4adc5f2c17d0fd702ec86e092ae7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fa19bb65480a181b65b054b3515577b7d4adc5f2c17d0fd702ec86e092ae7b", kill_on_drop: false }`
[INFO] [stdout] a5fa19bb65480a181b65b054b3515577b7d4adc5f2c17d0fd702ec86e092ae7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 691fbd4a5924c9d2fd268e33b0da1dfac4a56fa02201e9666b0d5c2deb0fe094
[INFO] running `Command { std: "docker" "start" "-a" "691fbd4a5924c9d2fd268e33b0da1dfac4a56fa02201e9666b0d5c2deb0fe094", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ebnf_tester-a17dff38a751a02f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test chomsky_normal_form::tests::test_build_table ... ok
[INFO] [stdout] test chomsky_production::tests::test_chomsky_production_produces ... ok
[INFO] [stdout] test chomsky_normal_form::tests::test_derive ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_option ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_alternative ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_rep_one ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_rep_zero ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_sequence ... ok
[INFO] [stdout] test model::tests::test_variable ... ok
[INFO] [stdout] test model::tests::test_terminal ... ok
[INFO] [stdout] test extended_backus_naur_form::tests::test_convert_to_bnf ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- extended_backus_naur_form::tests::test_convert_to_bnf stdout ----
[INFO] [stdout] thread 'extended_backus_naur_form::tests::test_convert_to_bnf' panicked at src/extended_backus_naur_form/mod.rs:35:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f41f131d06 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55f41f131d06 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f41f131d06 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55f41f131d06 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f41f15aeb0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55f41f15aeb0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55f41f12f76f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55f41f131ae4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f41f131ae4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f41f133857 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55f41f13353d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55f41f1022a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55f41f1022a7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55f41f133e76 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55f41f133e76 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55f41f133b89 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:649:13
[INFO] [stdout]   16:     0x55f41f132206 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55f41f133920 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55f41f095cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55f41f095d93 - core::panicking::panic::hb837a5ebbbe5b188
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55f41f0bf85d - ebnf_tester::extended_backus_naur_form::next_variable::h7d7f33e552d79fc5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:35:5
[INFO] [stdout]   21:     0x55f41f0bfb1e - ebnf_tester::extended_backus_naur_form::convert_to_bnf::h7d13089954da0339
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:89:32
[INFO] [stdout]   22:     0x55f41f0b062e - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::h1c0cac5271616758
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:151:24
[INFO] [stdout]   23:     0x55f41f0af797 - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::{{closure}}::h9ab7e338e414b33f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:128:29
[INFO] [stdout]   24:     0x55f41f0a5406 - core::ops::function::FnOnce::call_once::ha172b8c514ae34b4
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55f41f107b7f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55f41f107b7f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   27:     0x55f41f106901 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   28:     0x55f41f106901 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55f41f106901 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55f41f106901 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55f41f106901 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55f41f106901 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   33:     0x55f41f106901 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   34:     0x55f41f0cdc36 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   35:     0x55f41f0cdc36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x55f41f0d2c97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55f41f0d2c97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55f41f0d2c97 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x55f41f0d2c97 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x55f41f0d2c97 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55f41f0d2c97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55f41f0d2c97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55f41f138925 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55f41f138925 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x55f41f138925 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f9897400ac3 - <unknown>
[INFO] [stdout]   47:     0x7f9897491bf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     extended_backus_naur_form::tests::test_convert_to_bnf
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin ebnf_tester`
[INFO] running `Command { std: "docker" "inspect" "691fbd4a5924c9d2fd268e33b0da1dfac4a56fa02201e9666b0d5c2deb0fe094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691fbd4a5924c9d2fd268e33b0da1dfac4a56fa02201e9666b0d5c2deb0fe094", kill_on_drop: false }`
[INFO] [stdout] 691fbd4a5924c9d2fd268e33b0da1dfac4a56fa02201e9666b0d5c2deb0fe094
[INFO] testing b-eyselein/rust_ebnf_tester against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b-eyselein/rust_ebnf_tester on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b-eyselein/rust_ebnf_tester
[INFO] finished tweaking git repo https://github.com/b-eyselein/rust_ebnf_tester
[INFO] tweaked toml for git repo https://github.com/b-eyselein/rust_ebnf_tester written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/b-eyselein/rust_ebnf_tester 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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 077719d6e378e60b578820b1e1924f42e0af1c9c2395545962ddce3258408239
[INFO] running `Command { std: "docker" "start" "-a" "077719d6e378e60b578820b1e1924f42e0af1c9c2395545962ddce3258408239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077719d6e378e60b578820b1e1924f42e0af1c9c2395545962ddce3258408239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077719d6e378e60b578820b1e1924f42e0af1c9c2395545962ddce3258408239", kill_on_drop: false }`
[INFO] [stdout] 077719d6e378e60b578820b1e1924f42e0af1c9c2395545962ddce3258408239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4944bfdd149c1399e86d302ea2f9656056457fab121c30321359d2c6b1be1c62
[INFO] running `Command { std: "docker" "start" "-a" "4944bfdd149c1399e86d302ea2f9656056457fab121c30321359d2c6b1be1c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ebnf_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Epsilon`, `Terminal`, `Variable`, `Optional`, `Alternative`, and `Sequence` are never constructed
[INFO] [stdout]   --> src/backus_naur_form.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum BackusNaurProduction {
[INFO] [stdout]    |          -------------------- variants in this enum
[INFO] [stdout] 5  |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     Terminal(Terminal),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 7  |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 8  |     Optional(Box<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     Alternative(Vec<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     Sequence(Vec<BackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BackusNaurProduction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cell` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cell<'a> = HashSet<&'a char>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Row` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Row<'a> = Vec<Cell<'a>>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ChomskyTable` is never used
[INFO] [stdout]  --> src/chomsky_normal_form.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type ChomskyTable<'a> = Vec<Row<'a>>;
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChomskyGrammar` is never constructed
[INFO] [stdout]   --> src/chomsky_normal_form.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ChomskyGrammar {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search_rules_producing_terminal`, `search_rules_producing_sequence`, `build_table`, and `derive` are never used
[INFO] [stdout]   --> src/chomsky_normal_form.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ChomskyGrammar {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 17 |     /// checks which vars produce c as terminal...
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn derive(&self, word: &[char]) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChomskyProduction` is never used
[INFO] [stdout]  --> src/chomsky_production.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ChomskyProduction {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `produces_terminal` and `produces_sequence` are never used
[INFO] [stdout]   --> src/chomsky_production.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl ChomskyProduction {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 9  |     pub fn produces_terminal(&self, c: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn produces_sequence(&self, var1: &char, var2: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_child_elements` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_variable` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn next_variable() -> Variable {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_bnf` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/extended_backus_naur_form/ebnf_element.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum ExtendedBackusNaurProduction {
[INFO] [stdout]    |          ---------------------------- variants in this enum
[INFO] [stdout] 7  |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     Terminal(Terminal),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     Variable(Variable),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Optional(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     RepetitionZero(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     RepetitionOne(Box<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     Alternative(Vec<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     Sequence(Vec<ExtendedBackusNaurProduction>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtendedBackusNaurProduction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `simple` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/element_conversion_result.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ElementConversionResult<'_> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn simple(output_element: BackusNaurProduction) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/extended_backus_naur_form/element_conversion_result.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ElementsConversionResult<'_> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 35 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "4944bfdd149c1399e86d302ea2f9656056457fab121c30321359d2c6b1be1c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4944bfdd149c1399e86d302ea2f9656056457fab121c30321359d2c6b1be1c62", kill_on_drop: false }`
[INFO] [stdout] 4944bfdd149c1399e86d302ea2f9656056457fab121c30321359d2c6b1be1c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbec706098540fb2318d0840a5393507c7eb28b7f37c916701a0fb331b5574b8
[INFO] running `Command { std: "docker" "start" "-a" "fbec706098540fb2318d0840a5393507c7eb28b7f37c916701a0fb331b5574b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ebnf_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "fbec706098540fb2318d0840a5393507c7eb28b7f37c916701a0fb331b5574b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbec706098540fb2318d0840a5393507c7eb28b7f37c916701a0fb331b5574b8", kill_on_drop: false }`
[INFO] [stdout] fbec706098540fb2318d0840a5393507c7eb28b7f37c916701a0fb331b5574b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c49be21b218e5b88bc442ce8ea6a801d36bd348bc0551aaf962dd76822950651
[INFO] running `Command { std: "docker" "start" "-a" "c49be21b218e5b88bc442ce8ea6a801d36bd348bc0551aaf962dd76822950651", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ebnf_tester-8ca5c368af79e7b4)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test chomsky_production::tests::test_chomsky_production_produces ... ok
[INFO] [stdout] test chomsky_normal_form::tests::test_derive ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_alternative ... ok
[INFO] [stdout] test chomsky_normal_form::tests::test_build_table ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_option ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_rep_one ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_rep_zero ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_sequence ... ok
[INFO] [stdout] test model::tests::test_terminal ... ok
[INFO] [stdout] test model::tests::test_variable ... ok
[INFO] [stdout] test extended_backus_naur_form::tests::test_convert_to_bnf ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- extended_backus_naur_form::tests::test_convert_to_bnf stdout ----
[INFO] [stdout] thread 'extended_backus_naur_form::tests::test_convert_to_bnf' panicked at src/extended_backus_naur_form/mod.rs:35:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bb4c6e23a6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55bb4c6e23a6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55bb4c6e23a6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55bb4c6e23a6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55bb4c70b380 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55bb4c70b380 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55bb4c6dfbff - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55bb4c6e2184 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55bb4c6e2184 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55bb4c6e3ef7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55bb4c6e3bdd - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55bb4c6b2577 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55bb4c6b2577 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55bb4c6e4516 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55bb4c6e4516 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55bb4c6e4229 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:651:13
[INFO] [stdout]   16:     0x55bb4c6e28a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55bb4c6e3fb4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55bb4c648775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55bb4c648833 - core::panicking::panic::h239eacb54d7c53ba
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55bb4c66655d - ebnf_tester::extended_backus_naur_form::next_variable::h70764816068b0145
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:35:5
[INFO] [stdout]   21:     0x55bb4c66681e - ebnf_tester::extended_backus_naur_form::convert_to_bnf::hedd3985e132929a0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:89:32
[INFO] [stdout]   22:     0x55bb4c673bfe - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::h9c20388392596f67
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:151:24
[INFO] [stdout]   23:     0x55bb4c672d67 - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::{{closure}}::h8bf2084d64655e8c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:128:29
[INFO] [stdout]   24:     0x55bb4c66fd46 - core::ops::function::FnOnce::call_once::hef96288ab19225b8
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55bb4c6b816f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55bb4c6b816f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   27:     0x55bb4c6b6f91 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   28:     0x55bb4c6b6f91 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55bb4c6b6f91 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   30:     0x55bb4c6b6f91 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   31:     0x55bb4c6b6f91 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55bb4c6b6f91 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   33:     0x55bb4c6b6f91 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   34:     0x55bb4c67e3f6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   35:     0x55bb4c67e3f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x55bb4c6833b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55bb4c6833b7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55bb4c6833b7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   39:     0x55bb4c6833b7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   40:     0x55bb4c6833b7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55bb4c6833b7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55bb4c6833b7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55bb4c6e88b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55bb4c6e88b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x55bb4c6e88b5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcad2d20ac3 - <unknown>
[INFO] [stdout]   47:     0x7fcad2db1bf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     extended_backus_naur_form::tests::test_convert_to_bnf
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin ebnf_tester`
[INFO] running `Command { std: "docker" "inspect" "c49be21b218e5b88bc442ce8ea6a801d36bd348bc0551aaf962dd76822950651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49be21b218e5b88bc442ce8ea6a801d36bd348bc0551aaf962dd76822950651", kill_on_drop: false }`
[INFO] [stdout] c49be21b218e5b88bc442ce8ea6a801d36bd348bc0551aaf962dd76822950651
