[INFO] fetching crate flexpiler_derive 0.2.1...
[INFO] checking flexpiler_derive-0.2.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate flexpiler_derive 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flexpiler_derive 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexpiler_derive 0.2.1
[INFO] finished tweaking crates.io crate flexpiler_derive 0.2.1
[INFO] tweaked toml for crates.io crate flexpiler_derive 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5a8617dfefd0e5feb7b78a2c882ff2f47930cd7178eb7110e7df9cbb9200387
[INFO] running `Command { std: "docker" "start" "-a" "d5a8617dfefd0e5feb7b78a2c882ff2f47930cd7178eb7110e7df9cbb9200387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a8617dfefd0e5feb7b78a2c882ff2f47930cd7178eb7110e7df9cbb9200387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a8617dfefd0e5feb7b78a2c882ff2f47930cd7178eb7110e7df9cbb9200387", kill_on_drop: false }`
[INFO] [stdout] d5a8617dfefd0e5feb7b78a2c882ff2f47930cd7178eb7110e7df9cbb9200387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b279a36691e9317b5dcf13bb6a10c402e1fea30ee6c7a7d32c0bcf71eb83ef
[INFO] running `Command { std: "docker" "start" "-a" "51b279a36691e9317b5dcf13bb6a10c402e1fea30ee6c7a7d32c0bcf71eb83ef", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking proc-macro2 v1.0.30
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking flexpiler_derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::core::definition`
[INFO] [stdout]  --> src/core/implementation/data_context/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::core::definition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/core/implementation/flexpiler.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::implementation`
[INFO] [stdout]  --> src/core/intermediary/deserializer/enum_rustc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::implementation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::implementation`
[INFO] [stdout]  --> src/core/intermediary/deserializer/struct_rustc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::implementation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/core/intermediary/enum_rustc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::definition`
[INFO] [stdout]  --> src/core/implementation/data_context/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::core::definition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/core/implementation/flexpiler.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::implementation`
[INFO] [stdout]  --> src/core/intermediary/deserializer/enum_rustc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::implementation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::implementation`
[INFO] [stdout]  --> src/core/intermediary/deserializer/struct_rustc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::implementation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]  --> src/core/intermediary/enum_rustc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_intermediary_ident_string_ref`
[INFO] [stdout]    --> src/core/implementation/deserializer/deserializer_trait_impl/mod.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let enum_intermediary_ident_string_ref = &parameter.enum_intermediary_ref.ident_string;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_intermediary_ident_string_ref`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_argumented_intermediary_field_type_ref_vec_ref`
[INFO] [stdout]    --> src/core/implementation/deserializer/deserializer_trait_impl/data_argumented_deserialization.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let variable_argumented_intermediary_field_type_ref_vec_ref = &parameter.variant_argumented_intermediary_ref.field_type_ref_vec;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_argumented_intermediary_field_type_ref_vec_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_complex_intermediary_field_ident_ref_vec_ref`
[INFO] [stdout]   --> src/core/implementation/deserializer/deserializer_trait_impl/data_context_deserialization.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let variable_complex_intermediary_field_ident_ref_vec_ref = &parameter.variable_complex_intermediary_ref.field_ident_ref_vec;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_complex_intermediary_field_ident_ref_vec_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_ident_ref`
[INFO] [stdout]   --> src/core/intermediary/data_context.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let enum_ident_ref = &parameter.enum_definition_ref.ident;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_ident_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_intermediary_ident_string_ref`
[INFO] [stdout]    --> src/core/implementation/deserializer/deserializer_trait_impl/mod.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let enum_intermediary_ident_string_ref = &parameter.enum_intermediary_ref.ident_string;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_intermediary_ident_string_ref`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_argumented_intermediary_field_type_ref_vec_ref`
[INFO] [stdout]    --> src/core/implementation/deserializer/deserializer_trait_impl/data_argumented_deserialization.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let variable_argumented_intermediary_field_type_ref_vec_ref = &parameter.variant_argumented_intermediary_ref.field_type_ref_vec;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_argumented_intermediary_field_type_ref_vec_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_complex_intermediary_field_ident_ref_vec_ref`
[INFO] [stdout]   --> src/core/implementation/deserializer/deserializer_trait_impl/data_context_deserialization.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let variable_complex_intermediary_field_ident_ref_vec_ref = &parameter.variable_complex_intermediary_ref.field_ident_ref_vec;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_complex_intermediary_field_ident_ref_vec_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_ident_ref`
[INFO] [stdout]   --> src/core/intermediary/data_context.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let enum_ident_ref = &parameter.enum_definition_ref.ident;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_ident_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParameterGenerics`
[INFO] [stdout]  --> src/core/implementation/generics_where/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ParameterGenerics<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParameterGenerics`
[INFO] [stdout]  --> src/core/implementation/generics_where/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct ParameterGenerics<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `Command { std: "docker" "inspect" "51b279a36691e9317b5dcf13bb6a10c402e1fea30ee6c7a7d32c0bcf71eb83ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b279a36691e9317b5dcf13bb6a10c402e1fea30ee6c7a7d32c0bcf71eb83ef", kill_on_drop: false }`
[INFO] [stdout] 51b279a36691e9317b5dcf13bb6a10c402e1fea30ee6c7a7d32c0bcf71eb83ef
