[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 master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/b-eyselein/rust_ebnf_tester on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4be6e1de6ebdbe5524dd21cc338b46c47f4a4f8a5e523e8ca9eb80f219baa91
[INFO] running `Command { std: "docker" "start" "-a" "a4be6e1de6ebdbe5524dd21cc338b46c47f4a4f8a5e523e8ca9eb80f219baa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4be6e1de6ebdbe5524dd21cc338b46c47f4a4f8a5e523e8ca9eb80f219baa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4be6e1de6ebdbe5524dd21cc338b46c47f4a4f8a5e523e8ca9eb80f219baa91", kill_on_drop: false }`
[INFO] [stdout] a4be6e1de6ebdbe5524dd21cc338b46c47f4a4f8a5e523e8ca9eb80f219baa91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e1a12e8ad669d6a0d69ad80c1cae1d606560c6349a367614108aa8166802516
[INFO] running `Command { std: "docker" "start" "-a" "7e1a12e8ad669d6a0d69ad80c1cae1d606560c6349a367614108aa8166802516", 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: struct `Terminal` is never constructed
[INFO] [stdout]  --> src/model.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Terminal(pub char);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Variable` is never constructed
[INFO] [stdout]   --> src/model.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Variable(pub char);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BackusNaurProduction` is never used
[INFO] [stdout]  --> src/backus_naur_form.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum BackusNaurProduction {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^
[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: enum `ExtendedBackusNaurProduction` is never used
[INFO] [stdout]  --> src/extended_backus_naur_form/ebnf_element.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum ExtendedBackusNaurProduction {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElementConversionResult` is never constructed
[INFO] [stdout]  --> src/extended_backus_naur_form/element_conversion_result.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ElementConversionResult<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[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: struct `ElementsConversionResult` is never constructed
[INFO] [stdout]   --> src/extended_backus_naur_form/element_conversion_result.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ElementsConversionResult<'a> {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell {
[INFO] [stdout]    |                                        ^^^^^                      ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell<'_> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell {
[INFO] [stdout]    |                                        ^^^^^ the lifetime is elided here              ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell<'_> {
[INFO] [stdout]    |                                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable {
[INFO] [stdout]    |                    ^^^^^                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult<'_> {
[INFO] [stdout]    |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult<'_> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "7e1a12e8ad669d6a0d69ad80c1cae1d606560c6349a367614108aa8166802516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1a12e8ad669d6a0d69ad80c1cae1d606560c6349a367614108aa8166802516", kill_on_drop: false }`
[INFO] [stdout] 7e1a12e8ad669d6a0d69ad80c1cae1d606560c6349a367614108aa8166802516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8bb0893c9777879e0a03db353795363385f8b6fd6f94c89fa486d1721426bc
[INFO] running `Command { std: "docker" "start" "-a" "de8bb0893c9777879e0a03db353795363385f8b6fd6f94c89fa486d1721426bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ebnf_tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell {
[INFO] [stdout]    |                                        ^^^^^                      ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell<'_> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell {
[INFO] [stdout]    |                                        ^^^^^ the lifetime is elided here              ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell<'_> {
[INFO] [stdout]    |                                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/chomsky_normal_form.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable {
[INFO] [stdout]    |                    ^^^^^                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult<'_> {
[INFO] [stdout]    |                                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/extended_backus_naur_form/mod.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult<'_> {
[INFO] [stdout]    |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "de8bb0893c9777879e0a03db353795363385f8b6fd6f94c89fa486d1721426bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8bb0893c9777879e0a03db353795363385f8b6fd6f94c89fa486d1721426bc", kill_on_drop: false }`
[INFO] [stdout] de8bb0893c9777879e0a03db353795363385f8b6fd6f94c89fa486d1721426bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f3b7d36ddfca1c30185a49e1b0d984fccbe1ad8574c6ea3e4abfc7d2e75314e
[INFO] running `Command { std: "docker" "start" "-a" "7f3b7d36ddfca1c30185a49e1b0d984fccbe1ad8574c6ea3e4abfc7d2e75314e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/chomsky_normal_form.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell {
[INFO] [stderr]    |                                        ^^^^^                      ^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn search_rules_producing_terminal(&self, terminal: &char) -> Cell<'_> {
[INFO] [stderr]    |                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/chomsky_normal_form.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell {
[INFO] [stderr]    |                                        ^^^^^ the lifetime is elided here              ^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn search_rules_producing_sequence(&self, first_var: &char, second_var: &char) -> Cell<'_> {
[INFO] [stderr]    |                                                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/chomsky_normal_form.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable {
[INFO] [stderr]    |                    ^^^^^                    ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn build_table(&self, word: &[char]) -> ChomskyTable<'_> {
[INFO] [stderr]    |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/extended_backus_naur_form/mod.rs:11:43
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                           |
[INFO] [stderr]    |                                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn convert_child_elements(child_elements: &Vec<ExtendedBackusNaurProduction>) -> ElementsConversionResult<'_> {
[INFO] [stderr]    |                                                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/extended_backus_naur_form/mod.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn convert_to_bnf(el: &ExtendedBackusNaurProduction) -> ElementConversionResult<'_> {
[INFO] [stderr]    |                                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ebnf_tester` (bin "ebnf_tester" test) generated 5 warnings (run `cargo fix --bin "ebnf_tester" -p ebnf_tester --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ebnf_tester-8f917479e9d649a4)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test chomsky_production::tests::test_chomsky_production_produces ... 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 model::tests::test_terminal ... ok
[INFO] [stdout] test model::tests::test_variable ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_sequence ... 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_alternative ... ok
[INFO] [stdout] test extended_backus_naur_form::tests::test_convert_to_bnf ... FAILED
[INFO] [stdout] test chomsky_normal_form::tests::test_build_table ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin ebnf_tester`
[INFO] [stdout] test chomsky_normal_form::tests::test_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- extended_backus_naur_form::tests::test_convert_to_bnf stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'extended_backus_naur_form::tests::test_convert_to_bnf' (32) panicked at src/extended_backus_naur_form/mod.rs:35:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61ff1f6cbc12 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61ff1f6cbc12 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61ff1f6cbc12 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61ff1f6cbc12 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61ff1f6e08aa - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61ff1f6e08aa - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x61ff1f6d0a16 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61ff1f6d0a16 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61ff1f6aa3af - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61ff1f6aa3af - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61ff1f6c3ef9 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61ff1f65f4ce - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61ff1f65f4ce - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61ff1f6c40b2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61ff1f6c40b2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61ff1f6aa49a - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x61ff1f69f6e9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61ff1f6ab2bd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61ff1f6e0f7c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61ff1f6e0f42 - core[27de1724e4349be2]::panicking::panic
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x61ff1f646aaa - ebnf_tester[b2fdc3d8280ce7da]::extended_backus_naur_form::next_variable
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:35:5
[INFO] [stdout]   21:     0x61ff1f646c05 - ebnf_tester[b2fdc3d8280ce7da]::extended_backus_naur_form::convert_to_bnf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:89:32
[INFO] [stdout]   22:     0x61ff1f648c1d - ebnf_tester[b2fdc3d8280ce7da]::extended_backus_naur_form::tests::test_convert_to_bnf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:151:24
[INFO] [stdout]   23:     0x61ff1f646487 - ebnf_tester[b2fdc3d8280ce7da]::extended_backus_naur_form::tests::test_convert_to_bnf::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:128:29
[INFO] [stdout]   24:     0x61ff1f6457f6 - <ebnf_tester[b2fdc3d8280ce7da]::extended_backus_naur_form::tests::test_convert_to_bnf::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61ff1f65387b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x61ff1f65387b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x61ff1f6600da - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x61ff1f6600da - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x61ff1f6600da - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x61ff1f6600da - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x61ff1f6600da - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x61ff1f6600da - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x61ff1f6600da - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x61ff1f65b684 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x61ff1f65b684 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x61ff1f662bd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x61ff1f662bd2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x61ff1f662bd2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x61ff1f662bd2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x61ff1f662bd2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x61ff1f662bd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x61ff1f662bd2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x61ff1f6cb4bf - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x61ff1f6cb4bf - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x79ad9ee15aa4 - <unknown>
[INFO] [stdout]   46:     0x79ad9eea2a64 - clone
[INFO] [stdout]   47:                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 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f3b7d36ddfca1c30185a49e1b0d984fccbe1ad8574c6ea3e4abfc7d2e75314e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3b7d36ddfca1c30185a49e1b0d984fccbe1ad8574c6ea3e4abfc7d2e75314e", kill_on_drop: false }`
[INFO] [stdout] 7f3b7d36ddfca1c30185a49e1b0d984fccbe1ad8574c6ea3e4abfc7d2e75314e
