[INFO] cloning repository https://github.com/kaleidawave/ezno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaleidawave/ezno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ead3efaebbfa8c1692f296e30860b3be10f17c
[INFO] checking kaleidawave/ezno against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno" "/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/kaleidawave/ezno on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaleidawave/ezno
[INFO] finished tweaking git repo https://github.com/kaleidawave/ezno
[INFO] tweaked toml for git repo https://github.com/kaleidawave/ezno written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaleidawave/ezno 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5636159b4d13be1458f1990191a2389a8f81410c967f73540bfbeac5b811778
[INFO] running `Command { std: "docker" "start" "-a" "e5636159b4d13be1458f1990191a2389a8f81410c967f73540bfbeac5b811778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5636159b4d13be1458f1990191a2389a8f81410c967f73540bfbeac5b811778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5636159b4d13be1458f1990191a2389a8f81410c967f73540bfbeac5b811778", kill_on_drop: false }`
[INFO] [stdout] e5636159b4d13be1458f1990191a2389a8f81410c967f73540bfbeac5b811778
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a18edd59bd84f4cf40350d8c77190969e3fcdf492af8f65026a7c5520347b1
[INFO] running `Command { std: "docker" "start" "-a" "e3a18edd59bd84f4cf40350d8c77190969e3fcdf492af8f65026a7c5520347b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either_n v0.2.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling string-cases v0.2.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking temporary-annex v0.1.0
[INFO] [stderr]     Checking iterator-endiate v0.2.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking rgb v0.8.37
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[INFO] [stderr]    Compiling ezno-checker-specification v0.0.0 (/opt/rustwide/workdir/checker/specification)
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]     Checking syn-helpers v0.4.5
[INFO] [stderr]     Checking ezno-parser-visitable-derive v0.0.5 (/opt/rustwide/workdir/parser/visitable-derive)
[INFO] [stderr]     Checking binary-serialize-derive v0.0.1 (/opt/rustwide/workdir/checker/binary-serialize-derive)
[INFO] [stderr]    Compiling self-rust-tokenize-derive v0.3.3
[INFO] [stderr]    Compiling enum-variants-strings-derive v0.2.4
[INFO] [stderr]    Compiling get-field-by-type-derive v0.0.3
[INFO] [stderr]    Compiling derive-finite-automaton-derive v0.1.3
[INFO] [stderr]    Compiling derive-partial-eq-extras v0.1.2
[INFO] [stderr]    Compiling derive-enum-from-into v0.1.1
[INFO] [stderr]    Compiling derive-debug-extras v0.2.2
[INFO] [stderr]     Checking get-field-by-type v0.0.3
[INFO] [stderr]     Checking self-rust-tokenize v0.3.3
[INFO] [stderr]     Checking enum-variants-strings v0.2.3
[INFO] [stderr]     Checking derive-finite-automaton v0.1.3
[INFO] [stderr]    Compiling match_deref v0.1.1
[INFO] [stderr]    Compiling argh_shared v0.1.12
[INFO] [stderr]    Compiling source-map v0.14.9
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]    Compiling tokenizer-lib v1.5.1
[INFO] [stderr]    Compiling ezno-parser v0.1.3 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking map_vec v0.3.0
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking ezno-checker v0.0.14 (/opt/rustwide/workdir/checker)
[INFO] [stderr]     Checking ezno-ast-generator v0.0.11 (/opt/rustwide/workdir/parser/generator)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> checker/src/types/poly_types/generics/generic_structure.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(pub(crate) Vec<GenericStructureTypeArgument>);
[INFO] [stdout]    |            ----------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericStructureTypeArguments` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(());
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> checker/src/types/poly_types/generics/generic_structure.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(pub(crate) Vec<GenericStructureTypeArgument>);
[INFO] [stdout]    |            ----------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericStructureTypeArguments` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(());
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ezno v0.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "e3a18edd59bd84f4cf40350d8c77190969e3fcdf492af8f65026a7c5520347b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a18edd59bd84f4cf40350d8c77190969e3fcdf492af8f65026a7c5520347b1", kill_on_drop: false }`
[INFO] [stdout] e3a18edd59bd84f4cf40350d8c77190969e3fcdf492af8f65026a7c5520347b1
[INFO] checking kaleidawave/ezno against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno" "/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/kaleidawave/ezno on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaleidawave/ezno
[INFO] finished tweaking git repo https://github.com/kaleidawave/ezno
[INFO] tweaked toml for git repo https://github.com/kaleidawave/ezno written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaleidawave/ezno 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d9c942aa4e60d14f706024d4bf35e1742a6261d4b2c5eccc41139c35f5b1d27
[INFO] running `Command { std: "docker" "start" "-a" "4d9c942aa4e60d14f706024d4bf35e1742a6261d4b2c5eccc41139c35f5b1d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d9c942aa4e60d14f706024d4bf35e1742a6261d4b2c5eccc41139c35f5b1d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9c942aa4e60d14f706024d4bf35e1742a6261d4b2c5eccc41139c35f5b1d27", kill_on_drop: false }`
[INFO] [stdout] 4d9c942aa4e60d14f706024d4bf35e1742a6261d4b2c5eccc41139c35f5b1d27
[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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] fff4dcef11a33e9e1b3c4f006d900f5f9eb9884c667d01765afeeda0ce7377b0
[INFO] running `Command { std: "docker" "start" "-a" "fff4dcef11a33e9e1b3c4f006d900f5f9eb9884c667d01765afeeda0ce7377b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either_n v0.2.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling string-cases v0.2.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking iterator-endiate v0.2.1
[INFO] [stderr]     Checking temporary-annex v0.1.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]    Compiling serde_json v1.0.110
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking winconsole v0.11.1
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
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[INFO] [stderr]     Checking multiline-term-input v0.1.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling ezno-checker-specification v0.0.0 (/opt/rustwide/workdir/checker/specification)
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]     Checking syn-helpers v0.4.5
[INFO] [stderr]     Checking binary-serialize-derive v0.0.1 (/opt/rustwide/workdir/checker/binary-serialize-derive)
[INFO] [stderr]     Checking ezno-parser-visitable-derive v0.0.5 (/opt/rustwide/workdir/parser/visitable-derive)
[INFO] [stderr]    Compiling self-rust-tokenize-derive v0.3.3
[INFO] [stderr]    Compiling derive-finite-automaton-derive v0.1.3
[INFO] [stderr]    Compiling enum-variants-strings-derive v0.2.4
[INFO] [stderr]    Compiling get-field-by-type-derive v0.0.3
[INFO] [stderr]    Compiling derive-partial-eq-extras v0.1.2
[INFO] [stderr]    Compiling derive-enum-from-into v0.1.1
[INFO] [stderr]     Checking self-rust-tokenize v0.3.3
[INFO] [stderr]    Compiling derive-debug-extras v0.2.2
[INFO] [stderr]     Checking enum-variants-strings v0.2.3
[INFO] [stderr]     Checking get-field-by-type v0.0.3
[INFO] [stderr]    Compiling match_deref v0.1.1
[INFO] [stderr]     Checking derive-finite-automaton v0.1.3
[INFO] [stderr]     Checking source-map v0.14.9
[INFO] [stderr]     Checking map_vec v0.3.0
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking tokenizer-lib v1.5.1
[INFO] [stderr]     Checking ezno-parser v0.1.3 (/opt/rustwide/workdir/parser)
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking ezno-checker v0.0.14 (/opt/rustwide/workdir/checker)
[INFO] [stderr]     Checking ezno-ast-generator v0.0.11 (/opt/rustwide/workdir/parser/generator)
[INFO] [stdout] error: unexpected `cfg` condition value: `declaration-synthesis`
[INFO] [stdout]    --> checker/src/synthesis/definitions.rs:232:7
[INFO] [stdout]     |
[INFO] [stdout] 232 | #[cfg(feature = "declaration-synthesis")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ezno-parser`, `serde-serialize`
[INFO] [stdout]     = help: consider adding `declaration-synthesis` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `declaration-synthesis`
[INFO] [stdout]    --> checker/src/synthesis/definitions.rs:232:7
[INFO] [stdout]     |
[INFO] [stdout] 232 | #[cfg(feature = "declaration-synthesis")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ezno-parser`, `serde-serialize`
[INFO] [stdout]     = help: consider adding `declaration-synthesis` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> checker/src/types/poly_types/generics/generic_structure.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(pub(crate) Vec<GenericStructureTypeArgument>);
[INFO] [stdout]    |            ----------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericStructureTypeArguments` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(());
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ezno-checker` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> checker/src/types/poly_types/generics/generic_structure.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(pub(crate) Vec<GenericStructureTypeArgument>);
[INFO] [stdout]    |            ----------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericStructureTypeArguments` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GenericStructureTypeArguments(());
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ezno-checker` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fff4dcef11a33e9e1b3c4f006d900f5f9eb9884c667d01765afeeda0ce7377b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff4dcef11a33e9e1b3c4f006d900f5f9eb9884c667d01765afeeda0ce7377b0", kill_on_drop: false }`
[INFO] [stdout] fff4dcef11a33e9e1b3c4f006d900f5f9eb9884c667d01765afeeda0ce7377b0
