[INFO] fetching crate tree-builder-macro 0.0.1...
[INFO] testing tree-builder-macro-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate tree-builder-macro 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tree-builder-macro 0.0.1 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 crates.io crate tree-builder-macro 0.0.1
[INFO] finished tweaking crates.io crate tree-builder-macro 0.0.1
[INFO] tweaked toml for crates.io crate tree-builder-macro 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 35604ce61d23636b5673ccd907b8bedc58f776815a49e84a7e43403dea280424
[INFO] running `Command { std: "docker" "start" "-a" "35604ce61d23636b5673ccd907b8bedc58f776815a49e84a7e43403dea280424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35604ce61d23636b5673ccd907b8bedc58f776815a49e84a7e43403dea280424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35604ce61d23636b5673ccd907b8bedc58f776815a49e84a7e43403dea280424", kill_on_drop: false }`
[INFO] [stdout] 35604ce61d23636b5673ccd907b8bedc58f776815a49e84a7e43403dea280424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5e25cac06d4807eed9f3658e55e7179a881def6c74781beb84bccc3ea3d6f86c
[INFO] running `Command { std: "docker" "start" "-a" "5e25cac06d4807eed9f3658e55e7179a881def6c74781beb84bccc3ea3d6f86c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tree-builder-macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast_from_rule_no_alts`
[INFO] [stdout]  --> src/ast_builder/mod.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parsing::regex::rule as reg_rule`
[INFO] [stdout]  --> src/parser/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use parsing::regex::rule as reg_rule;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "5e25cac06d4807eed9f3658e55e7179a881def6c74781beb84bccc3ea3d6f86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e25cac06d4807eed9f3658e55e7179a881def6c74781beb84bccc3ea3d6f86c", kill_on_drop: false }`
[INFO] [stdout] 5e25cac06d4807eed9f3658e55e7179a881def6c74781beb84bccc3ea3d6f86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c2d9f04149ebf72335a7af21dfbbeb2a5d6f50c5ed9ff9460dfca6360d089fb4
[INFO] running `Command { std: "docker" "start" "-a" "c2d9f04149ebf72335a7af21dfbbeb2a5d6f50c5ed9ff9460dfca6360d089fb4", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling tree-builder-macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ast_from_rule_no_alts`
[INFO] [stdout]  --> src/ast_builder/mod.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parsing::regex::rule as reg_rule`
[INFO] [stdout]  --> src/parser/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use parsing::regex::rule as reg_rule;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast_from_rule_no_alts`
[INFO] [stdout]  --> src/ast_builder/mod.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::parsing::terminal::terminal`
[INFO] [stdout]    --> src/parser/parsing.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |     use super::super::parsing::terminal::terminal;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::metacharacters::metacharacter`
[INFO] [stdout]    --> src/parser/parsing.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |     use super::metacharacters::metacharacter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/parser/parsing.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parsing::regex::rule as reg_rule`
[INFO] [stdout]  --> src/parser/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use parsing::regex::rule as reg_rule;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/parser/parsing.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |     let output = metacharacter(r#"[A-Za-z1-9]"#).unwrap().1;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "c2d9f04149ebf72335a7af21dfbbeb2a5d6f50c5ed9ff9460dfca6360d089fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d9f04149ebf72335a7af21dfbbeb2a5d6f50c5ed9ff9460dfca6360d089fb4", kill_on_drop: false }`
[INFO] [stdout] c2d9f04149ebf72335a7af21dfbbeb2a5d6f50c5ed9ff9460dfca6360d089fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1dc47f1d7d91c5f44d5b09b8f7dbba190f0090fd11b02d5165832fef58533c9e
[INFO] running `Command { std: "docker" "start" "-a" "1dc47f1d7d91c5f44d5b09b8f7dbba190f0090fd11b02d5165832fef58533c9e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unused import: `ast_from_rule_no_alts`
[INFO] [stderr]  --> src/ast_builder/mod.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use tuple_type_builder::{ast_from_rule, ast_from_rule_no_alts};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parsing::regex::rule as reg_rule`
[INFO] [stderr]  --> src/parser/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use parsing::regex::rule as reg_rule;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::parsing::terminal::terminal`
[INFO] [stderr]    --> src/parser/parsing.rs:446:9
[INFO] [stderr]     |
[INFO] [stderr] 446 |     use super::super::parsing::terminal::terminal;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::metacharacters::metacharacter`
[INFO] [stderr]    --> src/parser/parsing.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |     use super::metacharacters::metacharacter;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/parser/parsing.rs:448:9
[INFO] [stderr]     |
[INFO] [stderr] 448 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/parser/parsing.rs:554:9
[INFO] [stderr]     |
[INFO] [stderr] 554 |     let output = metacharacter(r#"[A-Za-z1-9]"#).unwrap().1;
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tree-builder-macro` (lib) generated 2 warnings (run `cargo fix --lib -p tree-builder-macro` to apply 2 suggestions)
[INFO] [stderr] warning: `tree-builder-macro` (lib test) generated 6 warnings (2 duplicates) (run `cargo fix --lib -p tree-builder-macro --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_builder_macro-fb6c7c53f4e53e3f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::parsing::test_metacharacters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-builder-macro
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/parser/parser_ast.rs - parser::parser_ast::Alternation (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/parser/parser_ast.rs - parser::parser_ast::Alternation (line 14) stdout ----
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Alternation` in this scope
[INFO] [stdout]  --> src/parser/parser_ast.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | Alternation{
[INFO] [stdout]   | ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Concatenation1` in this scope
[INFO] [stdout]  --> src/parser/parser_ast.rs:16:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     concatenation: Concatenation1,
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Alternation1` in this scope
[INFO] [stdout]  --> src/parser/parser_ast.rs:17:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     identifier: Some(Alternation1)
[INFO] [stdout]   |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/parser/parser_ast.rs - parser::parser_ast::Alternation (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1dc47f1d7d91c5f44d5b09b8f7dbba190f0090fd11b02d5165832fef58533c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc47f1d7d91c5f44d5b09b8f7dbba190f0090fd11b02d5165832fef58533c9e", kill_on_drop: false }`
[INFO] [stdout] 1dc47f1d7d91c5f44d5b09b8f7dbba190f0090fd11b02d5165832fef58533c9e
