[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-eyselein%2Frust_ebnf_tester" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/b-eyselein/rust_ebnf_tester on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b047a2cf25120cf0aba1553bab92205ae4f622d71c0cd4809fcacc33900189
[INFO] running `Command { std: "docker" "start" "-a" "a5b047a2cf25120cf0aba1553bab92205ae4f622d71c0cd4809fcacc33900189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b047a2cf25120cf0aba1553bab92205ae4f622d71c0cd4809fcacc33900189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b047a2cf25120cf0aba1553bab92205ae4f622d71c0cd4809fcacc33900189", kill_on_drop: false }`
[INFO] [stdout] a5b047a2cf25120cf0aba1553bab92205ae4f622d71c0cd4809fcacc33900189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e7282a794c011a81f0b2d5c75b0cb63cbade3bc023fead0a40c754f20306ea
[INFO] running `Command { std: "docker" "start" "-a" "f3e7282a794c011a81f0b2d5c75b0cb63cbade3bc023fead0a40c754f20306ea", 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)]` 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 2.12s
[INFO] running `Command { std: "docker" "inspect" "f3e7282a794c011a81f0b2d5c75b0cb63cbade3bc023fead0a40c754f20306ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e7282a794c011a81f0b2d5c75b0cb63cbade3bc023fead0a40c754f20306ea", kill_on_drop: false }`
[INFO] [stdout] f3e7282a794c011a81f0b2d5c75b0cb63cbade3bc023fead0a40c754f20306ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a23a6533fbf6a711e3ed5ab7e5e474d7ddf41f31a17289bad3988d67a59f06
[INFO] running `Command { std: "docker" "start" "-a" "18a23a6533fbf6a711e3ed5ab7e5e474d7ddf41f31a17289bad3988d67a59f06", 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "18a23a6533fbf6a711e3ed5ab7e5e474d7ddf41f31a17289bad3988d67a59f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a23a6533fbf6a711e3ed5ab7e5e474d7ddf41f31a17289bad3988d67a59f06", kill_on_drop: false }`
[INFO] [stdout] 18a23a6533fbf6a711e3ed5ab7e5e474d7ddf41f31a17289bad3988d67a59f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 138617a6f8395ce4613dddcbd1c82f6bcaceba544a67b472c0d1580133b43593
[INFO] running `Command { std: "docker" "start" "-a" "138617a6f8395ce4613dddcbd1c82f6bcaceba544a67b472c0d1580133b43593", 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
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ebnf_tester-c2dc2ed5ba5c5fb5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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 chomsky_normal_form::tests::test_derive ... 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_option ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_sequence ... ok
[INFO] [stdout] test chomsky_production::tests::test_chomsky_production_produces ... ok
[INFO] [stdout] test extended_backus_naur_form::ebnf_element::tests::test_rep_zero ... 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] 
[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:     0x61983e0be212 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61983e0be212 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61983e0be212 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61983e0be212 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61983e0e38c3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61983e0e38c3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x61983e0bb193 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61983e0bb193 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61983e0be062 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61983e0bf789 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61983e0bf5be - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x61983e0876e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x61983e0876e4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61983e0c015e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x61983e0c015e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x61983e0bfef6 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x61983e0be709 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61983e0bfbbd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x61983e0e2030 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61983e0e20bc - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x61983e04c85a - ebnf_tester::extended_backus_naur_form::next_variable::hba7f0365dbae2b4b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:35:5
[INFO] [stdout]   21:     0x61983e04c9b5 - ebnf_tester::extended_backus_naur_form::convert_to_bnf::h1ae7e776011599b8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:89:32
[INFO] [stdout]   22:     0x61983e03f353 - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::hbdf6cee88fd13270
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:151:24
[INFO] [stdout]   23:     0x61983e03e457 - ebnf_tester::extended_backus_naur_form::tests::test_convert_to_bnf::{{closure}}::h16fafb86bbce4d37
[INFO] [stdout]                                at /opt/rustwide/workdir/src/extended_backus_naur_form/mod.rs:128:29
[INFO] [stdout]   24:     0x61983e02ca76 - core::ops::function::FnOnce::call_once::h379aad5e4c09b63d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x61983e08cf4b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x61983e08cf4b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x61983e08c085 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x61983e08c085 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x61983e08c085 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x61983e08c085 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x61983e08c085 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x61983e08c085 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x61983e08c085 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x61983e04fc84 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x61983e04fc84 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x61983e05365a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x61983e05365a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x61983e05365a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x61983e05365a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x61983e05365a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x61983e05365a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stderr] error: test failed, to rerun pass `--bin ebnf_tester`
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x61983e05365a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   43:     0x61983e0c30df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x61983e0c30df - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   45:     0x7cba565dcaa4 - <unknown>
[INFO] [stdout]   46:     0x7cba56669a34 - 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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "138617a6f8395ce4613dddcbd1c82f6bcaceba544a67b472c0d1580133b43593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138617a6f8395ce4613dddcbd1c82f6bcaceba544a67b472c0d1580133b43593", kill_on_drop: false }`
[INFO] [stdout] 138617a6f8395ce4613dddcbd1c82f6bcaceba544a67b472c0d1580133b43593
