[INFO] fetching crate error_generator 1.2.1...
[INFO] testing error_generator-1.2.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate error_generator 1.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate error_generator 1.2.1
[INFO] finished tweaking crates.io crate error_generator 1.2.1
[INFO] tweaked toml for crates.io crate error_generator 1.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error_generator 1.2.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778
[INFO] running `Command { std: "docker" "start" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling error_generator v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enum_error.rs:51:40
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams {
[INFO] [stdout]    |                                        ^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams<'_> {
[INFO] [stdout]    |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parameters.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling error_generator v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enum_error.rs:51:40
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams {
[INFO] [stdout]    |                                        ^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams<'_> {
[INFO] [stdout]    |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parameters.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/enum_error.rs:51:40
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams {
[INFO] [stdout]    |                                        ^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams<'_> {
[INFO] [stdout]    |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parameters.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn name_iter(&self) -> ParameterIter<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tests/integration_test.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct S(usize, usize, usize);
[INFO] [stdout]    |            -        ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 39 -     struct S(usize, usize, usize);
[INFO] [stdout] 39 +     struct S(usize, (), usize);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/integration_test.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     struct S {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 20.05s
[INFO] running `Command { std: "docker" "inspect" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/enum_error.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams {
[INFO] [stderr]    |                                        ^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn to_variant_with_parameters(variant: &Variant) -> VariantWithParams<'_> {
[INFO] [stderr]    |                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parameters.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn name_iter(&self) -> ParameterIter {
[INFO] [stderr]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn name_iter(&self) -> ParameterIter<'_> {
[INFO] [stderr]    |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `error_generator` (lib) generated 2 warnings (run `cargo fix --lib -p error_generator` to apply 2 suggestions)
[INFO] [stderr] warning: `error_generator` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> tests/integration_test.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     struct S(usize, usize, usize);
[INFO] [stderr]    |            -        ^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 39 -     struct S(usize, usize, usize);
[INFO] [stderr] 39 +     struct S(usize, (), usize);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `S` is never constructed
[INFO] [stderr]    --> tests/integration_test.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     struct S {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: `error_generator` (test "integration_test") generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/error_generator/cd059fec5ed9be49/out/error_generator-cd059fec5ed9be49)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test enum_error::tests::impl_display ... ok
[INFO] [stdout] test enum_error::tests::impl_from_and_display ... ok
[INFO] [stdout] test impl_display::match_arm::tests::implement_default_works ... ok
[INFO] [stdout] test enum_error::tests::named_unnamed_global_impl_from ... ok
[INFO] [stdout] test enum_error::tests::const_generics_remain ... ok
[INFO] [stdout] test impl_display::match_arm::tests::implement_named_works ... ok
[INFO] [stdout] test enum_error::tests::impl_display_default ... ok
[INFO] [stdout] test impl_display::write::tests::implement_works ... ok
[INFO] [stdout] test impl_display::match_arm::tests::implement_unit_works ... ok
[INFO] [stdout] test impl_display::match_arm::tests::implement_unnamed_works ... ok
[INFO] [stdout] test impl_display::write::tests::implement_multiple_expressions_works ... ok
[INFO] [stdout] test enum_error::tests::named_unnamed_impl_from ... ok
[INFO] [stdout] test parameters::parameters_tests::size_works ... ok
[INFO] [stdout] test parameters::parameters_tests::from_attribute_works ... ok
[INFO] [stdout] test parameters::parameters_tests::has_parameter_works ... ok
[INFO] [stdout] test enum_error::tests::other_attributes_remain ... ok
[INFO] [stdout] test parameters::parameters_tests::name_iter_works ... ok
[INFO] [stdout] test enum_error::tests::lifetimes_remain ... ok
[INFO] [stdout] test enum_error::tests::generics_remain ... ok
[INFO] [stdout] test struct_error::tests::lifetimes_remain ... ok
[INFO] [stdout] test struct_error::tests::named_impl_display ... ok
[INFO] [stdout] test struct_error::tests::named_impl_from ... ok
[INFO] [stdout] test struct_error::tests::named_impl_from_and_display ... ok
[INFO] [stdout] test struct_error::tests::const_generics_remain ... ok
[INFO] [stdout] test struct_error::tests::generics_remain ... ok
[INFO] [stdout] test enum_error::tests::no_parameters_no_fields ... ok
[INFO] [stdout] test enum_error::tests::no_parameters ... ok
[INFO] [stdout] test struct_error::tests::named_no_fields_no_parameters ... ok
[INFO] [stdout] test struct_error::tests::named_no_parameters ... ok
[INFO] [stdout] test struct_error::tests::unit_impl_display ... ok
[INFO] [stdout] test struct_error::tests::unnamed_impl_from_and_display ... ok
[INFO] [stdout] test struct_error::tests::unit_no_parameters ... ok
[INFO] [stdout] test struct_error::tests::unnamed_impl_display ... ok
[INFO] [stdout] test struct_error::tests::other_attributes_remain ... ok
[INFO] [stdout] test struct_error::tests::unnamed_impl_from ... ok
[INFO] [stdout] test struct_error::tests::unnamed_no_fields_no_parameters ... ok
[INFO] [stdout] test struct_error::tests::unnamed_no_parameters ... ok
[INFO] [stdout] test parameters::parameters_tests::from_attribute_key_value_like_fails - should panic ... ok
[INFO] [stdout] test enum_error::tests::impl_from_global_multiple_errors_should_panic - should panic ... ok
[INFO] [stdout] test enum_error::tests::unit_impl_from_should_panic - should panic ... ok
[INFO] [stdout] test parameters::parameters_tests::from_attribute_path_like_fails - should panic ... ok
[INFO] [stdout] test struct_error::tests::named_impl_from_two_fields_should_panic - should panic ... ok
[INFO] [stdout] test struct_error::tests::named_impl_from_no_fields_should_panic - should panic ... ok
[INFO] [stdout] test enum_error::tests::impl_from_multiple_errors_should_panic - should panic ... ok
[INFO] [stdout] test enum_error::tests::impl_from_on_variant_and_global_should_panic - should panic ... ok
[INFO] [stdout] test enum_error::tests::impl_display_unnecessary_default_should_panic - should panic ... ok
[INFO] [stdout] test struct_error::tests::unit_impl_from_should_panic - should panic ... ok
[INFO] [stdout] test struct_error::tests::unnamed_impl_from_two_fields_should_panic - should panic ... ok
[INFO] [stdout] test struct_error::tests::unnamed_impl_from_no_fields_should_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/release/build/error_generator/1023b4d39bb3cab6/out/integration_test-1023b4d39bb3cab6)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test check_global_impl_from_works ... ok
[INFO] [stdout] test enum_check_from_works ... ok
[INFO] [stdout] test enum_no_display_message_works ... ok
[INFO] [stdout] test enum_check_named_message_works ... ok
[INFO] [stdout] test implement_from_for_named_works ... ok
[INFO] [stdout] test tuple_works ... ok
[INFO] [stdout] test named_fields_works ... ok
[INFO] [stdout] test enum_check_positional_message_works ... ok
[INFO] [stdout] test unit_no_message_works ... ok
[INFO] [stdout] test tuple_multiple_works ... ok
[INFO] [stdout] test complex_message_expressions_works ... ok
[INFO] [stdout] test generics_works ... ok
[INFO] [stdout] test implement_from_for_unnamed_works ... ok
[INFO] [stdout] test lifetimes_and_generics_works ... ok
[INFO] [stdout] test unit_works ... ok
[INFO] [stdout] test generics_where_clause_works ... ok
[INFO] [stdout] test enum_custom_message_works ... ok
[INFO] [stdout] test enum_check_generics_and_lifetimes_works ... ok
[INFO] [stdout] test enum_default_message_works ... ok
[INFO] [stdout] test lifetimes_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error_generator
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778", kill_on_drop: false }`
[INFO] [stdout] e0716641543ecd6e56216215948707f9703dd9e27c5f91493876f559e24cd778
