[INFO] cloning repository https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swiftaff/rust-learning-parser-combinators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d892d8ab14330c61befaf439454c46c307b20345
[INFO] testing Swiftaff/rust-learning-parser-combinators against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swiftaff/rust-learning-parser-combinators on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] finished tweaking git repo https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] tweaked toml for git repo https://github.com/Swiftaff/rust-learning-parser-combinators written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Swiftaff/rust-learning-parser-combinators 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indextree v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 194f1ceaa57851174aa7cd2c54952344fa02e0b17812bba98e47444044bb2b93
[INFO] running `Command { std: "docker" "start" "-a" "194f1ceaa57851174aa7cd2c54952344fa02e0b17812bba98e47444044bb2b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "194f1ceaa57851174aa7cd2c54952344fa02e0b17812bba98e47444044bb2b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194f1ceaa57851174aa7cd2c54952344fa02e0b17812bba98e47444044bb2b93", kill_on_drop: false }`
[INFO] [stdout] 194f1ceaa57851174aa7cd2c54952344fa02e0b17812bba98e47444044bb2b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb953f6fc320f2d52d5bda81a7778c59a81e1f355e43d1047404f34927d9afba
[INFO] running `Command { std: "docker" "start" "-a" "eb953f6fc320f2d52d5bda81a7778c59a81e1f355e43d1047404f34927d9afba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling indextree v4.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "eb953f6fc320f2d52d5bda81a7778c59a81e1f355e43d1047404f34927d9afba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb953f6fc320f2d52d5bda81a7778c59a81e1f355e43d1047404f34927d9afba", kill_on_drop: false }`
[INFO] [stdout] eb953f6fc320f2d52d5bda81a7778c59a81e1f355e43d1047404f34927d9afba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c89b211885ee4f6c53193bab58ae57ef0bd8678272d151569ba65181cf4f1d
[INFO] running `Command { std: "docker" "start" "-a" "e9c89b211885ee4f6c53193bab58ae57ef0bd8678272d151569ba65181cf4f1d", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1454:32
[INFO] [stdout]      |
[INFO] [stdout] 1454 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1454 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1538:32
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1567:32
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1584:32
[INFO] [stdout]      |
[INFO] [stdout] 1584 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1584 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1601:32
[INFO] [stdout]      |
[INFO] [stdout] 1601 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1601 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1618:32
[INFO] [stdout]      |
[INFO] [stdout] 1618 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1618 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1635:32
[INFO] [stdout]      |
[INFO] [stdout] 1635 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1635 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1652:32
[INFO] [stdout]      |
[INFO] [stdout] 1652 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1652 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1669:32
[INFO] [stdout]      |
[INFO] [stdout] 1669 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1669 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1690:32
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1700:32
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1710:32
[INFO] [stdout]      |
[INFO] [stdout] 1710 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1710 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1728:32
[INFO] [stdout]      |
[INFO] [stdout] 1728 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1728 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1756:32
[INFO] [stdout]      |
[INFO] [stdout] 1756 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1756 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1774:32
[INFO] [stdout]      |
[INFO] [stdout] 1774 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1774 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1792:32
[INFO] [stdout]      |
[INFO] [stdout] 1792 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1792 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1810:32
[INFO] [stdout]      |
[INFO] [stdout] 1810 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1810 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1827:32
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1844:32
[INFO] [stdout]      |
[INFO] [stdout] 1844 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1844 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1861:32
[INFO] [stdout]      |
[INFO] [stdout] 1861 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1861 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1878:32
[INFO] [stdout]      |
[INFO] [stdout] 1878 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1878 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1895:32
[INFO] [stdout]      |
[INFO] [stdout] 1895 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1895 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1912:32
[INFO] [stdout]      |
[INFO] [stdout] 1912 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1912 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1929:32
[INFO] [stdout]      |
[INFO] [stdout] 1929 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1929 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1958:32
[INFO] [stdout]      |
[INFO] [stdout] 1958 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1958 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1975:32
[INFO] [stdout]      |
[INFO] [stdout] 1975 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1975 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2003:32
[INFO] [stdout]      |
[INFO] [stdout] 2003 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2003 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2020:32
[INFO] [stdout]      |
[INFO] [stdout] 2020 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2020 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2037:32
[INFO] [stdout]      |
[INFO] [stdout] 2037 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2037 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2066:32
[INFO] [stdout]      |
[INFO] [stdout] 2066 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2066 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2083:32
[INFO] [stdout]      |
[INFO] [stdout] 2083 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2083 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2100:32
[INFO] [stdout]      |
[INFO] [stdout] 2100 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2100 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e9c89b211885ee4f6c53193bab58ae57ef0bd8678272d151569ba65181cf4f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c89b211885ee4f6c53193bab58ae57ef0bd8678272d151569ba65181cf4f1d", kill_on_drop: false }`
[INFO] [stdout] e9c89b211885ee4f6c53193bab58ae57ef0bd8678272d151569ba65181cf4f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daa355303d706c3916af5ca9dfec124ffd22bc4404935324dde52b1ce9e8788c
[INFO] running `Command { std: "docker" "start" "-a" "daa355303d706c3916af5ca9dfec124ffd22bc4404935324dde52b1ce9e8788c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `test_language_arena`
[INFO] [stderr]    --> src/lib.rs:423:13
[INFO] [stderr]     |
[INFO] [stderr] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `el_type` and `value` are never read
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub struct ParserEl {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 121 |     el_type: Option<ParserElementType>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 122 |     value: Option<ParserElValue>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParserEl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:422:12
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stderr] 
[INFO] [stderr] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:467:12
[INFO] [stderr]     |
[INFO] [stderr] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-learning-parser-combinators` (lib) generated 5 warnings (run `cargo fix --lib -p rust-learning-parser-combinators` to apply 1 suggestion)
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1454:32
[INFO] [stderr]      |
[INFO] [stderr] 1454 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1454 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1538:32
[INFO] [stderr]      |
[INFO] [stderr] 1538 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1538 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1567:32
[INFO] [stderr]      |
[INFO] [stderr] 1567 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1567 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1584:32
[INFO] [stderr]      |
[INFO] [stderr] 1584 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1584 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1601:32
[INFO] [stderr]      |
[INFO] [stderr] 1601 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1601 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1618:32
[INFO] [stderr]      |
[INFO] [stderr] 1618 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1618 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1635:32
[INFO] [stderr]      |
[INFO] [stderr] 1635 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1635 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1652:32
[INFO] [stderr]      |
[INFO] [stderr] 1652 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1652 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1669:32
[INFO] [stderr]      |
[INFO] [stderr] 1669 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1669 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1690:32
[INFO] [stderr]      |
[INFO] [stderr] 1690 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1690 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1700:32
[INFO] [stderr]      |
[INFO] [stderr] 1700 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1700 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1710:32
[INFO] [stderr]      |
[INFO] [stderr] 1710 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1710 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1728:32
[INFO] [stderr]      |
[INFO] [stderr] 1728 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1728 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1756:32
[INFO] [stderr]      |
[INFO] [stderr] 1756 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1756 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1774:32
[INFO] [stderr]      |
[INFO] [stderr] 1774 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1774 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1792:32
[INFO] [stderr]      |
[INFO] [stderr] 1792 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1792 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1810:32
[INFO] [stderr]      |
[INFO] [stderr] 1810 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1810 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1827:32
[INFO] [stderr]      |
[INFO] [stderr] 1827 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1827 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1844:32
[INFO] [stderr]      |
[INFO] [stderr] 1844 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1844 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1861:32
[INFO] [stderr]      |
[INFO] [stderr] 1861 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1861 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1878:32
[INFO] [stderr]      |
[INFO] [stderr] 1878 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1878 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1895:32
[INFO] [stderr]      |
[INFO] [stderr] 1895 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1895 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1912:32
[INFO] [stderr]      |
[INFO] [stderr] 1912 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1912 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1929:32
[INFO] [stderr]      |
[INFO] [stderr] 1929 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1929 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1958:32
[INFO] [stderr]      |
[INFO] [stderr] 1958 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1958 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1975:32
[INFO] [stderr]      |
[INFO] [stderr] 1975 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1975 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2003:32
[INFO] [stderr]      |
[INFO] [stderr] 2003 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2003 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2020:32
[INFO] [stderr]      |
[INFO] [stderr] 2020 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2020 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2037:32
[INFO] [stderr]      |
[INFO] [stderr] 2037 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2037 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2066:32
[INFO] [stderr]      |
[INFO] [stderr] 2066 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2066 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2083:32
[INFO] [stderr]      |
[INFO] [stderr] 2083 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2083 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2100:32
[INFO] [stderr]      |
[INFO] [stderr] 2100 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2100 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-learning-parser-combinators` (lib test) generated 37 warnings (5 duplicates) (run `cargo fix --lib -p rust-learning-parser-combinators --tests` to apply 32 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_learning_parser_combinators-136ada32d777ef84)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test tests::test_combi_optional ... ok
[INFO] [stdout] test tests::test_combi_one_or_more_of ... ok
[INFO] [stdout] test tests::test_el_string ... ok
[INFO] [stdout] test tests::test_combi_zero_or_more_of ... ok
[INFO] [stdout] test tests::test_float ... ok
[INFO] [stdout] test tests::test_get_parser_function_by_name ... ok
[INFO] [stdout] test tests::test_int ... ok
[INFO] [stdout] test tests::test_lang_one_of_all_lang_parsers ... ok
[INFO] [stdout] test tests::test_lang_prim_eof ... ok
[INFO] [stdout] test tests::test_lang_prim_char ... ok
[INFO] [stdout] test tests::test_lang_prim_eols ... ok
[INFO] [stdout] test tests::test_lang_prim_digit ... ok
[INFO] [stdout] test tests::test_lang_prim_eols_or_eof ... ok
[INFO] [stdout] test tests::test_lang_prim_next ... ok
[INFO] [stdout] test tests::test_lang_prim_quote ... ok
[INFO] [stdout] test tests::test_lang_prim_word ... ok
[INFO] [stdout] test tests::test_multiple_parsers ... ok
[INFO] [stdout] test tests::test_prim_char ... ok
[INFO] [stdout] test tests::test_prim_digit ... ok
[INFO] [stdout] test tests::test_prim_eof ... ok
[INFO] [stdout] test tests::test_prim_word ... ok
[INFO] [stdout] test tests::test_prim_eof_or_eol ... ok
[INFO] [stdout] test tests::test_prim_next ... ok
[INFO] [stdout] test tests::test_variable ... ok
[INFO] [stdout] test tests::test_prim_eols ... ok
[INFO] [stdout] test tests::test_run2 ... ok
[INFO] [stdout] test tests::test_variable_sum ... ok
[INFO] [stdout] test tests::test_multiple_variable_assign ... ok
[INFO] [stdout] test tests::test_variable_assign ... ok
[INFO] [stdout] test tests::test_lang_combi_one_or_more ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_lang_combi_one_or_more stdout ----
[INFO] [stdout] 
[INFO] [stdout] vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
[INFO] [stdout] Parser Error at combi_first_success_of position:0
[INFO] [stdout] 1+a
[INFO] [stdout] Current Parser state looks like this:
[INFO] [stdout] Parser { input_original: "1+a", input_remaining: "1+a", language_arena: Arena { nodes: [Node { parent: None, previous_sibling: None, next_sibling: None, first_child: None, last_child: None, removed: false, data: (None, None) }] }, language_arena_node_parent_id: NodeId { index1: 1 }, output_arena: Arena { nodes: [Node { parent: None, previous_sibling: None, next_sibling: None, first_child: None, last_child: None, removed: false, data: ParserElement { el_type: None, int64: None, float64: None, string: None, var_name: None } }] }, output_arena_node_parent_id: NodeId { index1: 1 }, chomp: "", chomping: true, success: true, display_errors: true }
[INFO] [stdout] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ####last child added:  None
[INFO] [stdout] thread 'tests::test_lang_combi_one_or_more' panicked at src/lib.rs:1336:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "aaaa"
[INFO] [stdout]  right: ""
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ebf29c55bc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55ebf29c55bc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ebf29c55bc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ebf29c55bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ebf29f0700 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55ebf29f0700 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55ebf29c2f6f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55ebf29c53a4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ebf29c53a4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ebf29c7067 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55ebf29c6d53 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55ebf29865a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55ebf29865a7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55ebf29c7678 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55ebf29c7678 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55ebf29c73ce - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55ebf29c5a86 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55ebf29c7132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55ebf291ecf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55ebf291f05b - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x55ebf294c0a2 - core::panicking::assert_failed::h413d770dec068aeb
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x55ebf291fa4a - rust_learning_parser_combinators::tests::test_lang_combi_one_or_more::hcd57e300b3ef4170
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1336:9
[INFO] [stdout]   22:     0x55ebf291f867 - rust_learning_parser_combinators::tests::test_lang_combi_one_or_more::{{closure}}::h0b97d923e663fd7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1330:37
[INFO] [stdout]   23:     0x55ebf294eb76 - core::ops::function::FnOnce::call_once::h7e869ae3aac1856b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55ebf298bbff - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ebf298bbff - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55ebf298ac15 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55ebf298ac15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55ebf298ac15 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55ebf298ac15 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55ebf298ac15 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55ebf298ac15 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55ebf298ac15 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55ebf2952ed6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55ebf2952ed6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55ebf2957f87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55ebf2957f87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55ebf2957f87 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55ebf2957f87 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55ebf2957f87 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55ebf2957f87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55ebf2957f87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55ebf29cc105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55ebf29cc105 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55ebf29cc105 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f697db14ac3 - <unknown>
[INFO] [stdout]   46:     0x7f697dba5bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_lang_combi_one_or_more
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "daa355303d706c3916af5ca9dfec124ffd22bc4404935324dde52b1ce9e8788c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa355303d706c3916af5ca9dfec124ffd22bc4404935324dde52b1ce9e8788c", kill_on_drop: false }`
[INFO] [stdout] daa355303d706c3916af5ca9dfec124ffd22bc4404935324dde52b1ce9e8788c
[INFO] testing Swiftaff/rust-learning-parser-combinators against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swiftaff/rust-learning-parser-combinators on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] finished tweaking git repo https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] tweaked toml for git repo https://github.com/Swiftaff/rust-learning-parser-combinators written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Swiftaff/rust-learning-parser-combinators 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49b3de09806c9b542bf529f10c07d866e41a4444884f118af4f78ccc738874e
[INFO] running `Command { std: "docker" "start" "-a" "f49b3de09806c9b542bf529f10c07d866e41a4444884f118af4f78ccc738874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49b3de09806c9b542bf529f10c07d866e41a4444884f118af4f78ccc738874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49b3de09806c9b542bf529f10c07d866e41a4444884f118af4f78ccc738874e", kill_on_drop: false }`
[INFO] [stdout] f49b3de09806c9b542bf529f10c07d866e41a4444884f118af4f78ccc738874e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 702add768c2716a3114a37c1f4b0fa01e751f916d5cc672bc4f453053f1cc467
[INFO] running `Command { std: "docker" "start" "-a" "702add768c2716a3114a37c1f4b0fa01e751f916d5cc672bc4f453053f1cc467", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling indextree v4.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "702add768c2716a3114a37c1f4b0fa01e751f916d5cc672bc4f453053f1cc467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702add768c2716a3114a37c1f4b0fa01e751f916d5cc672bc4f453053f1cc467", kill_on_drop: false }`
[INFO] [stdout] 702add768c2716a3114a37c1f4b0fa01e751f916d5cc672bc4f453053f1cc467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7af4385a0aaff983b012cb66db077c8da357735c21b47b08c7b35cba1a30d6b
[INFO] running `Command { std: "docker" "start" "-a" "d7af4385a0aaff983b012cb66db077c8da357735c21b47b08c7b35cba1a30d6b", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_language_arena`
[INFO] [stdout]    --> src/lib.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `el_type` and `value` are never read
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct ParserEl {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 121 |     el_type: Option<ParserElementType>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 122 |     value: Option<ParserElValue>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParserEl` 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: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1454:32
[INFO] [stdout]      |
[INFO] [stdout] 1454 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1454 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1538:32
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1538 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1567:32
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1584:32
[INFO] [stdout]      |
[INFO] [stdout] 1584 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1584 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1601:32
[INFO] [stdout]      |
[INFO] [stdout] 1601 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1601 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1618:32
[INFO] [stdout]      |
[INFO] [stdout] 1618 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1618 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1635:32
[INFO] [stdout]      |
[INFO] [stdout] 1635 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1635 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1652:32
[INFO] [stdout]      |
[INFO] [stdout] 1652 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1652 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1669:32
[INFO] [stdout]      |
[INFO] [stdout] 1669 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1669 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1690:32
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1700:32
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1710:32
[INFO] [stdout]      |
[INFO] [stdout] 1710 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1710 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1728:32
[INFO] [stdout]      |
[INFO] [stdout] 1728 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1728 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1756:32
[INFO] [stdout]      |
[INFO] [stdout] 1756 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1756 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1774:32
[INFO] [stdout]      |
[INFO] [stdout] 1774 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1774 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1792:32
[INFO] [stdout]      |
[INFO] [stdout] 1792 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1792 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1810:32
[INFO] [stdout]      |
[INFO] [stdout] 1810 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1810 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1827:32
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1844:32
[INFO] [stdout]      |
[INFO] [stdout] 1844 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1844 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1861:32
[INFO] [stdout]      |
[INFO] [stdout] 1861 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1861 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1878:32
[INFO] [stdout]      |
[INFO] [stdout] 1878 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1878 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1895:32
[INFO] [stdout]      |
[INFO] [stdout] 1895 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1895 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1912:32
[INFO] [stdout]      |
[INFO] [stdout] 1912 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1912 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1929:32
[INFO] [stdout]      |
[INFO] [stdout] 1929 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1929 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1958:32
[INFO] [stdout]      |
[INFO] [stdout] 1958 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1958 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1975:32
[INFO] [stdout]      |
[INFO] [stdout] 1975 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1975 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2003:32
[INFO] [stdout]      |
[INFO] [stdout] 2003 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2003 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2020:32
[INFO] [stdout]      |
[INFO] [stdout] 2020 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2020 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2037:32
[INFO] [stdout]      |
[INFO] [stdout] 2037 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2037 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2066:32
[INFO] [stdout]      |
[INFO] [stdout] 2066 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2066 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2083:32
[INFO] [stdout]      |
[INFO] [stdout] 2083 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2083 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:2100:32
[INFO] [stdout]      |
[INFO] [stdout] 2100 |             _ => assert!(true, false),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 2100 |             _ => assert!(true, "{}", false),
[INFO] [stdout]      |                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "d7af4385a0aaff983b012cb66db077c8da357735c21b47b08c7b35cba1a30d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7af4385a0aaff983b012cb66db077c8da357735c21b47b08c7b35cba1a30d6b", kill_on_drop: false }`
[INFO] [stdout] d7af4385a0aaff983b012cb66db077c8da357735c21b47b08c7b35cba1a30d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60a5c6c30c370e1e93f6ef8d71b4fc75ba92a461e792e275bc03037e88436576
[INFO] running `Command { std: "docker" "start" "-a" "60a5c6c30c370e1e93f6ef8d71b4fc75ba92a461e792e275bc03037e88436576", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `test_language_arena`
[INFO] [stderr]    --> src/lib.rs:423:13
[INFO] [stderr]     |
[INFO] [stderr] 423 |         let test_language_arena = &mut self.language_arena;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_language_arena`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `el_type` and `value` are never read
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub struct ParserEl {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 121 |     el_type: Option<ParserElementType>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 122 |     value: Option<ParserElValue>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ParserEl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `language_arena_append_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |     pub fn language_arena_append_functionTypeAndParam(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_append_function_type_and_param`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `test_printing_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:422:12
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub fn test_printing_functionTypeAndParam(mut self: Parser, s: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_printing_function_type_and_param`
[INFO] [stderr] 
[INFO] [stderr] warning: method `language_arena_get_last_child_functionTypeAndParam` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:467:12
[INFO] [stderr]     |
[INFO] [stderr] 467 |     pub fn language_arena_get_last_child_functionTypeAndParam(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `language_arena_get_last_child_function_type_and_param`
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1454:32
[INFO] [stderr]      |
[INFO] [stderr] 1454 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1454 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1538:32
[INFO] [stderr]      |
[INFO] [stderr] 1538 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1538 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1567:32
[INFO] [stderr]      |
[INFO] [stderr] 1567 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1567 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1584:32
[INFO] [stderr]      |
[INFO] [stderr] 1584 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1584 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1601:32
[INFO] [stderr]      |
[INFO] [stderr] 1601 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1601 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1618:32
[INFO] [stderr]      |
[INFO] [stderr] 1618 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1618 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1635:32
[INFO] [stderr]      |
[INFO] [stderr] 1635 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1635 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1652:32
[INFO] [stderr]      |
[INFO] [stderr] 1652 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1652 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1669:32
[INFO] [stderr]      |
[INFO] [stderr] 1669 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1669 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1690:32
[INFO] [stderr]      |
[INFO] [stderr] 1690 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1690 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1700:32
[INFO] [stderr]      |
[INFO] [stderr] 1700 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1700 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1710:32
[INFO] [stderr]      |
[INFO] [stderr] 1710 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1710 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1728:32
[INFO] [stderr]      |
[INFO] [stderr] 1728 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1728 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1756:32
[INFO] [stderr]      |
[INFO] [stderr] 1756 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1756 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1774:32
[INFO] [stderr]      |
[INFO] [stderr] 1774 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1774 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1792:32
[INFO] [stderr]      |
[INFO] [stderr] 1792 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1792 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1810:32
[INFO] [stderr]      |
[INFO] [stderr] 1810 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1810 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1827:32
[INFO] [stderr]      |
[INFO] [stderr] 1827 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1827 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1844:32
[INFO] [stderr]      |
[INFO] [stderr] 1844 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1844 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1861:32
[INFO] [stderr]      |
[INFO] [stderr] 1861 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1861 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1878:32
[INFO] [stderr]      |
[INFO] [stderr] 1878 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1878 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1895:32
[INFO] [stderr]      |
[INFO] [stderr] 1895 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1895 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1912:32
[INFO] [stderr]      |
[INFO] [stderr] 1912 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1912 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1929:32
[INFO] [stderr]      |
[INFO] [stderr] 1929 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1929 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1958:32
[INFO] [stderr]      |
[INFO] [stderr] 1958 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1958 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:1975:32
[INFO] [stderr]      |
[INFO] [stderr] 1975 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 1975 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2003:32
[INFO] [stderr]      |
[INFO] [stderr] 2003 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2003 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2020:32
[INFO] [stderr]      |
[INFO] [stderr] 2020 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2020 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2037:32
[INFO] [stderr]      |
[INFO] [stderr] 2037 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2037 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2066:32
[INFO] [stderr]      |
[INFO] [stderr] 2066 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2066 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2083:32
[INFO] [stderr]      |
[INFO] [stderr] 2083 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2083 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]     --> src/lib.rs:2100:32
[INFO] [stderr]      |
[INFO] [stderr] 2100 |             _ => assert!(true, false),
[INFO] [stderr]      |                                ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]      |
[INFO] [stderr] 2100 |             _ => assert!(true, "{}", false),
[INFO] [stderr]      |                                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-learning-parser-combinators` (lib) generated 5 warnings (run `cargo fix --lib -p rust-learning-parser-combinators` to apply 1 suggestion)
[INFO] [stderr] warning: `rust-learning-parser-combinators` (lib test) generated 37 warnings (5 duplicates) (run `cargo fix --lib -p rust-learning-parser-combinators --tests` to apply 32 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_learning_parser_combinators-0a4577e945ab97f6)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test tests::test_combi_optional ... ok
[INFO] [stdout] test tests::test_combi_one_or_more_of ... ok
[INFO] [stdout] test tests::test_combi_zero_or_more_of ... ok
[INFO] [stdout] test tests::test_get_parser_function_by_name ... ok
[INFO] [stdout] test tests::test_float ... ok
[INFO] [stdout] test tests::test_el_string ... ok
[INFO] [stdout] test tests::test_int ... ok
[INFO] [stdout] test tests::test_lang_one_of_all_lang_parsers ... ok
[INFO] [stdout] test tests::test_lang_prim_char ... ok
[INFO] [stdout] test tests::test_lang_prim_eof ... ok
[INFO] [stdout] test tests::test_lang_prim_digit ... ok
[INFO] [stdout] test tests::test_lang_prim_next ... ok
[INFO] [stdout] test tests::test_lang_prim_eols ... ok
[INFO] [stdout] test tests::test_multiple_parsers ... ok
[INFO] [stdout] test tests::test_prim_char ... ok
[INFO] [stdout] test tests::test_lang_prim_eols_or_eof ... ok
[INFO] [stdout] test tests::test_prim_digit ... ok
[INFO] [stdout] test tests::test_prim_word ... ok
[INFO] [stdout] test tests::test_run2 ... ok
[INFO] [stdout] test tests::test_prim_next ... ok
[INFO] [stdout] test tests::test_variable ... ok
[INFO] [stdout] test tests::test_prim_eols ... ok
[INFO] [stdout] test tests::test_lang_prim_word ... ok
[INFO] [stdout] test tests::test_prim_eof_or_eol ... ok
[INFO] [stdout] test tests::test_prim_eof ... ok
[INFO] [stdout] test tests::test_lang_prim_quote ... ok
[INFO] [stdout] test tests::test_variable_sum ... ok
[INFO] [stdout] test tests::test_multiple_variable_assign ... ok
[INFO] [stdout] test tests::test_variable_assign ... ok
[INFO] [stdout] test tests::test_lang_combi_one_or_more ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_lang_combi_one_or_more stdout ----
[INFO] [stdout] 
[INFO] [stdout] vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
[INFO] [stdout] Parser Error at combi_first_success_of position:0
[INFO] [stdout] 1+a
[INFO] [stdout] Current Parser state looks like this:
[INFO] [stdout] Parser { input_original: "1+a", input_remaining: "1+a", language_arena: Arena { nodes: [Node { parent: None, previous_sibling: None, next_sibling: None, first_child: None, last_child: None, removed: false, data: (None, None) }] }, language_arena_node_parent_id: NodeId { index1: 1 }, output_arena: Arena { nodes: [Node { parent: None, previous_sibling: None, next_sibling: None, first_child: None, last_child: None, removed: false, data: ParserElement { el_type: None, int64: None, float64: None, string: None, var_name: None } }] }, output_arena_node_parent_id: NodeId { index1: 1 }, chomp: "", chomping: true, success: true, display_errors: true }
[INFO] [stdout] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ####last child added:  None
[INFO] [stdout] thread 'tests::test_lang_combi_one_or_more' panicked at src/lib.rs:1336:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "aaaa"
[INFO] [stdout]  right: ""
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55815d61cbc6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55815d61cbc6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55815d61cbc6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55815d61cbc6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55815d647000 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55815d647000 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55815d61a62f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55815d61c9a4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55815d61c9a4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55815d61e717 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55815d61e3fd - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55815d5dd397 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55815d5dd397 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55815d61ed36 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55815d61ed36 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55815d61ea82 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55815d61d0c6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55815d61e7e0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55815d574cd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55815d57505b - core::panicking::assert_failed_inner::h9f13e27dd63c3a08
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55815d5a1862 - core::panicking::assert_failed::h8d9223812a201b6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55815d575a3a - rust_learning_parser_combinators::tests::test_lang_combi_one_or_more::h202ee5f4b1523d92
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1336:9
[INFO] [stdout]   22:     0x55815d575857 - rust_learning_parser_combinators::tests::test_lang_combi_one_or_more::{{closure}}::hee1c0749929a43e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:1330:37
[INFO] [stdout]   23:     0x55815d5a4f16 - core::ops::function::FnOnce::call_once::h8cb9917f4eebe168
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55815d5e2c6f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55815d5e2c6f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55815d5e19f1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55815d5e19f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55815d5e19f1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55815d5e19f1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55815d5e19f1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55815d5e19f1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55815d5e19f1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55815d5a8d26 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55815d5a8d26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55815d5add87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55815d5add87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55815d5add87 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55815d5add87 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55815d5add87 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55815d5add87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55815d5add87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55815d6237e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55815d6237e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55815d6237e5 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fc046bf6ac3 - <unknown>
[INFO] [stdout]   46:     0x7fc046c87bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_lang_combi_one_or_more
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "60a5c6c30c370e1e93f6ef8d71b4fc75ba92a461e792e275bc03037e88436576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a5c6c30c370e1e93f6ef8d71b4fc75ba92a461e792e275bc03037e88436576", kill_on_drop: false }`
[INFO] [stdout] 60a5c6c30c370e1e93f6ef8d71b4fc75ba92a461e792e275bc03037e88436576
