[INFO] fetching crate mockiato-codegen 0.9.5...
[INFO] testing mockiato-codegen-0.9.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mockiato-codegen 0.9.5 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate mockiato-codegen 0.9.5 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockiato-codegen 0.9.5
[INFO] finished tweaking crates.io crate mockiato-codegen 0.9.5
[INFO] tweaked toml for crates.io crate mockiato-codegen 0.9.5 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f936e310921419f150219d3dc780a3ad8c14fe55d3fec287561b4a78bf91fdf
[INFO] running `Command { std: "docker" "start" "-a" "7f936e310921419f150219d3dc780a3ad8c14fe55d3fec287561b4a78bf91fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f936e310921419f150219d3dc780a3ad8c14fe55d3fec287561b4a78bf91fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f936e310921419f150219d3dc780a3ad8c14fe55d3fec287561b4a78bf91fdf", kill_on_drop: false }`
[INFO] [stdout] 7f936e310921419f150219d3dc780a3ad8c14fe55d3fec287561b4a78bf91fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58b4f8643c7a3b87fba6f68a54f3fd6b82b23dde701afdbd61ae92ebafcbbb35
[INFO] running `Command { std: "docker" "start" "-a" "58b4f8643c7a3b87fba6f68a54f3fd6b82b23dde701afdbd61ae92ebafcbbb35", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mockiato-codegen v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate proc_macro;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]   --> src/diagnostic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) level: DiagnosticLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Diagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/diagnostic.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) span: Option<Span>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DiagnosticMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/diagnostic.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DiagnosticMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse/method_decl.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_decl.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parse/method_decl.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub(crate) span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_decl.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parse/method_inputs.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodArg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_inputs.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `supertraits`
[INFO] [stdout]   --> src/parse/trait_decl.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) supertraits: Punctuated<TypeParamBound, Token![+]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TraitDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/trait_decl.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "58b4f8643c7a3b87fba6f68a54f3fd6b82b23dde701afdbd61ae92ebafcbbb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b4f8643c7a3b87fba6f68a54f3fd6b82b23dde701afdbd61ae92ebafcbbb35", kill_on_drop: false }`
[INFO] [stdout] 58b4f8643c7a3b87fba6f68a54f3fd6b82b23dde701afdbd61ae92ebafcbbb35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce55c55ed01decab70058e5022be3a1f03c446e3cd07ef4f5491c5090359296d
[INFO] running `Command { std: "docker" "start" "-a" "ce55c55ed01decab70058e5022be3a1f03c446e3cd07ef4f5491c5090359296d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockiato-codegen v0.9.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate proc_macro;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]   --> src/diagnostic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) level: DiagnosticLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Diagnostic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/diagnostic.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub(crate) span: Option<Span>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DiagnosticMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/diagnostic.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DiagnosticMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/diagnostic.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse/method_decl.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(crate) attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_decl.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parse/method_decl.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub(crate) span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_decl.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parse/method_inputs.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `MethodArg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/method_inputs.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `supertraits`
[INFO] [stdout]   --> src/parse/trait_decl.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) supertraits: Punctuated<TypeParamBound, Token![+]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TraitDecl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse/trait_decl.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mockiato`
[INFO] [stdout]   --> src/code_generator.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(test, mockiato::mockable)]
[INFO] [stdout]    |                  ^^^^^^^^ use of undeclared crate or module `mockiato`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mockiato`
[INFO] [stdout]   --> src/parse/mockable_attr.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg_attr(test, mockiato::mockable)]
[INFO] [stdout]    |                  ^^^^^^^^ use of undeclared crate or module `mockiato`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mockiato`
[INFO] [stdout]   --> src/parse/trait_decl.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(test, mockiato::mockable)]
[INFO] [stdout]    |                  ^^^^^^^^ use of undeclared crate or module `mockiato`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate proc_macro;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  |     rust_2018_idioms,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mockiato-codegen` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ce55c55ed01decab70058e5022be3a1f03c446e3cd07ef4f5491c5090359296d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce55c55ed01decab70058e5022be3a1f03c446e3cd07ef4f5491c5090359296d", kill_on_drop: false }`
[INFO] [stdout] ce55c55ed01decab70058e5022be3a1f03c446e3cd07ef4f5491c5090359296d