[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
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-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 }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66bf44db3e732d9f9091ef8d4a6d4fdbbf73de2dea54553ca1a5f6fb5441bd5a
[INFO] running `Command { std: "docker" "start" "-a" "66bf44db3e732d9f9091ef8d4a6d4fdbbf73de2dea54553ca1a5f6fb5441bd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bf44db3e732d9f9091ef8d4a6d4fdbbf73de2dea54553ca1a5f6fb5441bd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bf44db3e732d9f9091ef8d4a6d4fdbbf73de2dea54553ca1a5f6fb5441bd5a", kill_on_drop: false }`
[INFO] [stdout] 66bf44db3e732d9f9091ef8d4a6d4fdbbf73de2dea54553ca1a5f6fb5441bd5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3f10b4b5a1280cde4f7aba1421e82e9d93bf35c151b470210e628ee86fb00877
[INFO] running `Command { std: "docker" "start" "-a" "3f10b4b5a1280cde4f7aba1421e82e9d93bf35c151b470210e628ee86fb00877", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[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 unicode-width v0.1.11
[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 diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bimap v0.6.3
[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 levenshtein v1.0.5
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.110
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling ezno-checker-specification v0.0.0 (/opt/rustwide/workdir/checker/specification)
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking winconsole v0.11.1
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[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling syn v2.0.46
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[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 get-field-by-type-derive v0.0.3
[INFO] [stderr]    Compiling enum-variants-strings-derive v0.2.4
[INFO] [stderr]    Compiling derive-enum-from-into v0.1.1
[INFO] [stderr]    Compiling derive-debug-extras v0.2.2
[INFO] [stderr]    Compiling derive-partial-eq-extras v0.1.2
[INFO] [stderr]    Compiling match_deref v0.1.1
[INFO] [stderr]     Checking self-rust-tokenize v0.3.3
[INFO] [stderr]     Checking derive-finite-automaton v0.1.3
[INFO] [stderr]     Checking get-field-by-type v0.0.3
[INFO] [stderr]     Checking enum-variants-strings v0.2.3
[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] 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] [stderr]     Checking ezno v0.0.19 (/opt/rustwide/workdir)
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.74s
[INFO] running `Command { std: "docker" "inspect" "3f10b4b5a1280cde4f7aba1421e82e9d93bf35c151b470210e628ee86fb00877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f10b4b5a1280cde4f7aba1421e82e9d93bf35c151b470210e628ee86fb00877", kill_on_drop: false }`
[INFO] [stdout] 3f10b4b5a1280cde4f7aba1421e82e9d93bf35c151b470210e628ee86fb00877
[INFO] checking kaleidawave/ezno against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d95fab3bf33dce65d487ef396accd441631a2853a0f00164cabea2c54204eff
[INFO] running `Command { std: "docker" "start" "-a" "7d95fab3bf33dce65d487ef396accd441631a2853a0f00164cabea2c54204eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d95fab3bf33dce65d487ef396accd441631a2853a0f00164cabea2c54204eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d95fab3bf33dce65d487ef396accd441631a2853a0f00164cabea2c54204eff", kill_on_drop: false }`
[INFO] [stdout] 7d95fab3bf33dce65d487ef396accd441631a2853a0f00164cabea2c54204eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fbe4140cb899a93fb5b583ab60ae1ae08e5cc46ead25d8de81c470a48a1b0e07
[INFO] running `Command { std: "docker" "start" "-a" "fbe4140cb899a93fb5b583ab60ae1ae08e5cc46ead25d8de81c470a48a1b0e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[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 unicode-width v0.1.11
[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 diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.110
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking log v0.4.20
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[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
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[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling ezno-checker-specification v0.0.0 (/opt/rustwide/workdir/checker/specification)
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[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking ordered-float v4.2.0
[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 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]    Compiling derive-debug-extras v0.2.2
[INFO] [stderr]    Compiling match_deref v0.1.1
[INFO] [stderr]     Checking enum-variants-strings v0.2.3
[INFO] [stderr]     Checking self-rust-tokenize v0.3.3
[INFO] [stderr]     Checking derive-finite-automaton v0.1.3
[INFO] [stderr]     Checking get-field-by-type v0.0.3
[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] 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] 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" "fbe4140cb899a93fb5b583ab60ae1ae08e5cc46ead25d8de81c470a48a1b0e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe4140cb899a93fb5b583ab60ae1ae08e5cc46ead25d8de81c470a48a1b0e07", kill_on_drop: false }`
[INFO] [stdout] fbe4140cb899a93fb5b583ab60ae1ae08e5cc46ead25d8de81c470a48a1b0e07
