[INFO] updating cached repository ProtoDef-io/protodefc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ProtoDef-io/protodefc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ProtoDef-io/protodefc" "work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ProtoDef-io/protodefc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ProtoDef-io/protodefc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ProtoDef-io/protodefc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a17214e3c27f5438241b8ef3a82bfffd955e6dd6
[INFO] sha for GitHub repo ProtoDef-io/protodefc: a17214e3c27f5438241b8ef3a82bfffd955e6dd6
[INFO] validating manifest of ProtoDef-io/protodefc on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ProtoDef-io/protodefc on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ProtoDef-io/protodefc
[INFO] finished frobbing ProtoDef-io/protodefc
[INFO] frobbed toml for ProtoDef-io/protodefc written to work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc/Cargo.toml
[INFO] started frobbing ProtoDef-io/protodefc
[INFO] finished frobbing ProtoDef-io/protodefc
[INFO] frobbed toml for ProtoDef-io/protodefc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ProtoDef-io/protodefc/Cargo.toml
[INFO] crate ProtoDef-io/protodefc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ProtoDef-io/protodefc against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a5ba8e4bfeecb988bf80dc9917b394c26bd8b323e5a0dfcd28c6522a30488ff1
[INFO] running `"docker" "start" "-a" "a5ba8e4bfeecb988bf80dc9917b394c26bd8b323e5a0dfcd28c6522a30488ff1"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling serde v1.0.2
[INFO] [stderr]    Compiling Inflector v0.10.0
[INFO] [stderr]    Compiling json v0.11.6
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling peg v0.5.2
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling protodefc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.1
[INFO] [stderr]    Compiling toml v0.4.0
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use] extern crate matches;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `WeakContainer`
[INFO] [stderr]  --> src/ir/compilation_unit/mod.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ::rc_container::{Container, WeakContainer};
[INFO] [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::spec::data::ReferenceAccessTime`
[INFO] [stderr]  --> src/ir/compilation_unit/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::ir::spec::data::ReferenceAccessTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntegerSize`, `IntegerSpec`, `TypeSpecContainer`
[INFO] [stderr]  --> src/ir/spec/variant/array.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecContainer, WeakTypeSpecContainer, TypeSpecVariant,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |                       ArraySpec, ArraySize, IntegerSpec, IntegerSize};
[INFO] [stderr]   |                                             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::compilation_unit::TypePath`
[INFO] [stderr]  --> src/ir/spec/variant/array.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ::ir::compilation_unit::TypePath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `TypeKind`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:9:60
[INFO] [stderr]    |
[INFO] [stderr] 9  | use ::ir::compilation_unit::{TypePath, NamedTypeContainer, TypeKind, RelativeNSPath,
[INFO] [stderr]    |                                                            ^^^^^^^^
[INFO] [stderr] 10 |                              CanonicalNSPath};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `RelativeNSPath`, `TypePath`
[INFO] [stderr]  --> src/ir/spec/data.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::ir::compilation_unit::{TypePath, RelativeNSPath, CanonicalNSPath};
[INFO] [stderr]   |                              ^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EnumSpec`
[INFO] [stderr]  --> src/ir/type_spec/literal.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |             EnumSpec};
[INFO] [stderr]   |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::marker::PhantomData`
[INFO] [stderr]  --> src/ir/name.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::nom::IResult`
[INFO] [stderr]  --> src/ir/name.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::nom::IResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/backend/common/formatter.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / macro_rules! pf_push {
[INFO] [stderr] 42 | |     ($f:expr, $fmt:expr) => ($f.push($fmt));
[INFO] [stderr] 43 | |     ($f:expr, $fmt:expr, $($arg:tt)*) => ($f.push(&format!($fmt, $($arg)*)));
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/backend/common/formatter.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / macro_rules! pf_push_line {
[INFO] [stderr] 47 | |     ($f:expr, $fmt:expr) => {
[INFO] [stderr] 48 | |         pf_push!($f, $fmt);
[INFO] [stderr] 49 | |         $f.line();
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     };
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::spec::data::ReferenceAccessTime`
[INFO] [stderr]  --> src/backend/imperative_base/deserialize.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::spec::data::ReferenceAccessTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EnumSpec`, `TypeSpecVariant`
[INFO] [stderr]  --> src/backend/imperative_base/reference.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecVariant, EnumSpec};
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ir::compilation_unit::TypePath`
[INFO] [stderr]  --> src/backend/javascript/cu_to_js.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ir::compilation_unit::TypePath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `to_value`
[INFO] [stderr]  --> src/backend/json_spec/mod.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::serde_json::{Value, to_value};
[INFO] [stderr]   |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/mod.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/mod.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/array.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/union.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/container.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_spec/ast/mod.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::compilation_unit::{TypePath, CanonicalNSPath};
[INFO] [stderr]   |                              ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ident`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/spec.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::super::ast::{Ident, Statement, Value};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RelativeNSPath`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/compilation_unit.rs:3:47
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ::ir::compilation_unit::{CompilationUnit, RelativeNSPath, CanonicalNSPath,
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntegerSize`, `IntegerSpec`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/compilation_unit.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecVariant, IntegerSpec, IntegerSize};
[INFO] [stderr]   |                                        ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | / macro_rules! unwrap_ok {
[INFO] [stderr] 49 | |     ($e:expr) => {
[INFO] [stderr] 50 | |         match $e {
[INFO] [stderr] 51 | |             Ok(inner) => inner,
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     }
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / macro_rules! unwrap_error {
[INFO] [stderr] 61 | |     ($e:expr) => {
[INFO] [stderr] 62 | |         match $e {
[INFO] [stderr] 63 | |             Ok(inner) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | |     }
[INFO] [stderr] 69 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |         //JsonParseError(
[INFO] [stderr] 9  | |         //    ::frontend::protocol_json::Error,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/ir/compilation_unit/mod.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/compilation_unit/mod.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 _ => (),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/compilation_unit/mod.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 _ => panic!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/imperative_base/mod.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/javascript/ib_to_js.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/spec/variant/mod.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn get_type(&self, data: &TypeData) -> VariantType {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_type(&self, data: &TypeData) -> VariantType {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:56:53
[INFO] [stderr]    |
[INFO] [stderr] 56 |             CompilePass::ResolveReferencedTypes(ref path, ref cu) => {
[INFO] [stderr]    |                                                     ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn parse_binary(data: &BinarySpec, input_str: &str) -> Result<TypeSpecLiteralVariant> {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count_root_node`
[INFO] [stderr]    --> src/backend/imperative_base/deserialize.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let count_root_node = data.get_reference_root(self.count_handle).upgrade();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_count_root_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item_var`
[INFO] [stderr]    --> src/backend/imperative_base/deserialize.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let item_var = format!("array_{}_index", ident);
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_item_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_spec`
[INFO] [stderr]   --> src/backend/imperative_base/reference.rs:81:31
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 ref node, ref type_spec, .. }) => {
[INFO] [stderr]    |                           ----^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: try ignoring the field: `type_spec: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_spec`
[INFO] [stderr]    --> src/backend/imperative_base/reference.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 ref type_spec, .. }) => {
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: try ignoring the field: `type_spec: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_name`
[INFO] [stderr]    --> src/backend/javascript/ib_to_js.rs:126:58
[INFO] [stderr]     |
[INFO] [stderr] 126 |             ib::Operation::TypeCall { ref input_var, ref type_name,
[INFO] [stderr]     |                                                      ----^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      help: try ignoring the field: `type_name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:39:57
[INFO] [stderr]    |
[INFO] [stderr] 39 |                                          ref cases, ref default, ref enum_type } } => {
[INFO] [stderr]    |                                                         ^^^^^^^ help: consider prefixing with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enum_type`
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:39:70
[INFO] [stderr]    |
[INFO] [stderr] 39 |                                          ref cases, ref default, ref enum_type } } => {
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_enum_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_name_size_of`
[INFO] [stderr]   --> src/backend/rust/cu_to_rs.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let typ_name_size_of = format!("{}_size_of", typ_base_name);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typ_name_size_of`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_name_deserialize`
[INFO] [stderr]   --> src/backend/rust/cu_to_rs.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let typ_name_deserialize = format!("{}_deserialize", typ_base_name);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typ_name_deserialize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length_var`
[INFO] [stderr]   --> src/backend/python/ib_to_py.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 let length_var = format!("{}_length", index_var);
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_length_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_name`
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:113:58
[INFO] [stderr]     |
[INFO] [stderr] 113 |             ib::Operation::TypeCall { ref input_var, ref type_name,
[INFO] [stderr]     |                                                      ----^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      help: try ignoring the field: `type_name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `native`
[INFO] [stderr]   --> src/backend/json_spec/mod.rs:34:34
[INFO] [stderr]    |
[INFO] [stderr] 34 |             TypeKind::Native(ref native) => {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_native`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_data`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let typ_data = &typ_inner.data;
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_typ_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/pass/resolve_reference.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn validate_causality(target: &mut ReferenceData) -> Result<()> {
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ir/spec/variant/simple_scalar.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let mut data = TypeData::default();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let mut cases = cases.iter()
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let mut cases: Vec<(Expr, Block)> = cases.iter()
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `WeakDefinedTypeSpecContainer`
[INFO] [stderr]  --> src/ir/compilation_unit/defined_type_spec.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type WeakDefinedTypeSpecContainer = WeakContainer<DefinedTypeSpec>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HexOne`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     HexOne(bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HexTwo`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     HexTwo(u8, bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/ir/target_type.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn parse(&self, raw: &str) -> Option<TargetTypeValue> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/ir/target_type.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Integer(u64),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bytes`
[INFO] [stderr]   --> src/ir/target_type.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Bytes(Vec<u8>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]   --> src/ir/target_type.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Enum(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/ir/target_type.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_type(&self) -> TargetType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_compile`
[INFO] [stderr]  --> src/backend/imperative_base/tests/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn test_compile(spec: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AssignBlock`
[INFO] [stderr]   --> src/backend/rust/builder.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     AssignBlock {
[INFO] [stderr] 11 | |         is_let: bool,
[INFO] [stderr] 12 | |         lhs: String,
[INFO] [stderr] 13 | |         rhs: Block,
[INFO] [stderr] 14 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/backend/rust/builder.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     Block {
[INFO] [stderr] 19 | |         block: Block,
[INFO] [stderr] 20 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Module`
[INFO] [stderr]   --> src/backend/rust/builder.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     Module {
[INFO] [stderr] 25 | |         name: String,
[INFO] [stderr] 26 | |         block: Block,
[INFO] [stderr] 27 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block`
[INFO] [stderr]   --> src/backend/rust/builder.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn block(&mut self, block: Block) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format_error`
[INFO] [stderr]   --> src/frontend/protocol_spec/ast/parser.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn format_error(input: &str, error: pds::ParseError) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ir_to_spec`
[INFO] [stderr]  --> src/frontend/protocol_spec/from_ir.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn ir_to_spec(type_name: String, typ: TypeContainer) -> Statement {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ir_to_spec_inner`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn ir_to_spec_inner(typ: TypeContainer) -> Statement {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.48s
[INFO] running `"docker" "inspect" "a5ba8e4bfeecb988bf80dc9917b394c26bd8b323e5a0dfcd28c6522a30488ff1"`
[INFO] running `"docker" "rm" "-f" "a5ba8e4bfeecb988bf80dc9917b394c26bd8b323e5a0dfcd28c6522a30488ff1"`
[INFO] [stdout] a5ba8e4bfeecb988bf80dc9917b394c26bd8b323e5a0dfcd28c6522a30488ff1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1fe953861b08eabd3971cec0f22fce1b5aa4c57d2242a8126c4ce222b84ed123
[INFO] running `"docker" "start" "-a" "1fe953861b08eabd3971cec0f22fce1b5aa4c57d2242a8126c4ce222b84ed123"`
[INFO] [stderr]    Compiling protodefc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `protodefc::ir::spec::TypeContainer`
[INFO] [stderr]  --> tests/spec_compile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use protodefc::ir::spec::TypeContainer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use] extern crate matches;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `WeakContainer`
[INFO] [stderr]  --> src/ir/compilation_unit/mod.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ::rc_container::{Container, WeakContainer};
[INFO] [stderr]   |                      ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::spec::data::ReferenceAccessTime`
[INFO] [stderr]  --> src/ir/compilation_unit/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::ir::spec::data::ReferenceAccessTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntegerSize`, `IntegerSpec`, `TypeSpecContainer`
[INFO] [stderr]  --> src/ir/spec/variant/array.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecContainer, WeakTypeSpecContainer, TypeSpecVariant,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |                       ArraySpec, ArraySize, IntegerSpec, IntegerSize};
[INFO] [stderr]   |                                             ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::compilation_unit::TypePath`
[INFO] [stderr]  --> src/ir/spec/variant/array.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ::ir::compilation_unit::TypePath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `TypeKind`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:9:60
[INFO] [stderr]    |
[INFO] [stderr] 9  | use ::ir::compilation_unit::{TypePath, NamedTypeContainer, TypeKind, RelativeNSPath,
[INFO] [stderr]    |                                                            ^^^^^^^^
[INFO] [stderr] 10 |                              CanonicalNSPath};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `RelativeNSPath`, `TypePath`
[INFO] [stderr]  --> src/ir/spec/data.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::ir::compilation_unit::{TypePath, RelativeNSPath, CanonicalNSPath};
[INFO] [stderr]   |                              ^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EnumSpec`
[INFO] [stderr]  --> src/ir/type_spec/literal.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |             EnumSpec};
[INFO] [stderr]   |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::marker::PhantomData`
[INFO] [stderr]  --> src/ir/name.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::nom::IResult`
[INFO] [stderr]  --> src/ir/name.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::nom::IResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/backend/common/formatter.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / macro_rules! pf_push {
[INFO] [stderr] 42 | |     ($f:expr, $fmt:expr) => ($f.push($fmt));
[INFO] [stderr] 43 | |     ($f:expr, $fmt:expr, $($arg:tt)*) => ($f.push(&format!($fmt, $($arg)*)));
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/backend/common/formatter.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / macro_rules! pf_push_line {
[INFO] [stderr] 47 | |     ($f:expr, $fmt:expr) => {
[INFO] [stderr] 48 | |         pf_push!($f, $fmt);
[INFO] [stderr] 49 | |         $f.line();
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     };
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::ir::spec::data::ReferenceAccessTime`
[INFO] [stderr]  --> src/backend/imperative_base/deserialize.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::spec::data::ReferenceAccessTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EnumSpec`, `TypeSpecVariant`
[INFO] [stderr]  --> src/backend/imperative_base/reference.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecVariant, EnumSpec};
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ir::compilation_unit::TypePath`
[INFO] [stderr]  --> src/backend/javascript/cu_to_js.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ir::compilation_unit::TypePath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `to_value`
[INFO] [stderr]  --> src/backend/json_spec/mod.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::serde_json::{Value, to_value};
[INFO] [stderr]   |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/mod.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/mod.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/array.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/union.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_json/variants/container.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::ir::compilation_unit::{TypePath, RelativeNSPath};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CanonicalNSPath`, `TypePath`
[INFO] [stderr]  --> src/frontend/protocol_spec/ast/mod.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ::ir::compilation_unit::{TypePath, CanonicalNSPath};
[INFO] [stderr]   |                              ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::ir_to_spec`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     use super::ir_to_spec;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::protocol_spec::ast::printer::print`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     use self::protocol_spec::ast::printer::print;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::protocol_spec::ast::Block`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     use self::protocol_spec::ast::Block;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ident`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/spec.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::super::ast::{Ident, Statement, Value};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RelativeNSPath`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/compilation_unit.rs:3:47
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ::ir::compilation_unit::{CompilationUnit, RelativeNSPath, CanonicalNSPath,
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntegerSize`, `IntegerSpec`
[INFO] [stderr]  --> src/frontend/protocol_spec/to_ir/compilation_unit.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::ir::type_spec::{TypeSpecVariant, IntegerSpec, IntegerSize};
[INFO] [stderr]   |                                        ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | / macro_rules! unwrap_ok {
[INFO] [stderr] 49 | |     ($e:expr) => {
[INFO] [stderr] 50 | |         match $e {
[INFO] [stderr] 51 | |             Ok(inner) => inner,
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     }
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / macro_rules! unwrap_error {
[INFO] [stderr] 61 | |     ($e:expr) => {
[INFO] [stderr] 62 | |         match $e {
[INFO] [stderr] 63 | |             Ok(inner) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | |     }
[INFO] [stderr] 69 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |         //JsonParseError(
[INFO] [stderr] 9  | |         //    ::frontend::protocol_json::Error,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/ir/compilation_unit/mod.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/compilation_unit/mod.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 _ => (),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ir/compilation_unit/mod.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 _ => panic!(),
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/imperative_base/mod.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/javascript/ib_to_js.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         _ => unimplemented!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/spec/variant/mod.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn get_type(&self, data: &TypeData) -> VariantType {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_type(&self, data: &TypeData) -> VariantType {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/ir/spec/variant/simple_scalar.rs:56:53
[INFO] [stderr]    |
[INFO] [stderr] 56 |             CompilePass::ResolveReferencedTypes(ref path, ref cu) => {
[INFO] [stderr]    |                                                     ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn parse_binary(data: &BinarySpec, input_str: &str) -> Result<TypeSpecLiteralVariant> {
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count_root_node`
[INFO] [stderr]    --> src/backend/imperative_base/deserialize.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let count_root_node = data.get_reference_root(self.count_handle).upgrade();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_count_root_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item_var`
[INFO] [stderr]    --> src/backend/imperative_base/deserialize.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let item_var = format!("array_{}_index", ident);
[INFO] [stderr]     |             ^^^^^^^^ help: consider prefixing with an underscore: `_item_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_spec`
[INFO] [stderr]   --> src/backend/imperative_base/reference.rs:81:31
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 ref node, ref type_spec, .. }) => {
[INFO] [stderr]    |                           ----^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: try ignoring the field: `type_spec: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_spec`
[INFO] [stderr]    --> src/backend/imperative_base/reference.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 ref type_spec, .. }) => {
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: try ignoring the field: `type_spec: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_name`
[INFO] [stderr]    --> src/backend/javascript/ib_to_js.rs:126:58
[INFO] [stderr]     |
[INFO] [stderr] 126 |             ib::Operation::TypeCall { ref input_var, ref type_name,
[INFO] [stderr]     |                                                      ----^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      help: try ignoring the field: `type_name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:39:57
[INFO] [stderr]    |
[INFO] [stderr] 39 |                                          ref cases, ref default, ref enum_type } } => {
[INFO] [stderr]    |                                                         ^^^^^^^ help: consider prefixing with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `enum_type`
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:39:70
[INFO] [stderr]    |
[INFO] [stderr] 39 |                                          ref cases, ref default, ref enum_type } } => {
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_enum_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_name_size_of`
[INFO] [stderr]   --> src/backend/rust/cu_to_rs.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let typ_name_size_of = format!("{}_size_of", typ_base_name);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typ_name_size_of`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_name_deserialize`
[INFO] [stderr]   --> src/backend/rust/cu_to_rs.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let typ_name_deserialize = format!("{}_deserialize", typ_base_name);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_typ_name_deserialize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length_var`
[INFO] [stderr]   --> src/backend/python/ib_to_py.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 let length_var = format!("{}_length", index_var);
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_length_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `type_name`
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:113:58
[INFO] [stderr]     |
[INFO] [stderr] 113 |             ib::Operation::TypeCall { ref input_var, ref type_name,
[INFO] [stderr]     |                                                      ----^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      help: try ignoring the field: `type_name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `native`
[INFO] [stderr]   --> src/backend/json_spec/mod.rs:34:34
[INFO] [stderr]    |
[INFO] [stderr] 34 |             TypeKind::Native(ref native) => {
[INFO] [stderr]    |                                  ^^^^^^ help: consider prefixing with an underscore: `_native`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typ_data`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let typ_data = &typ_inner.data;
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_typ_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/pass/resolve_reference.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 | fn validate_causality(target: &mut ReferenceData) -> Result<()> {
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ir/spec/variant/simple_scalar.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let mut data = TypeData::default();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/backend/rust/ib_to_rs.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let mut cases = cases.iter()
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend/python/ib_to_py.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |             let mut cases: Vec<(Expr, Block)> = cases.iter()
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `WeakDefinedTypeSpecContainer`
[INFO] [stderr]  --> src/ir/compilation_unit/defined_type_spec.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type WeakDefinedTypeSpecContainer = WeakContainer<DefinedTypeSpec>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HexOne`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     HexOne(bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HexTwo`
[INFO] [stderr]   --> src/ir/type_spec/literal.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     HexTwo(u8, bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/ir/target_type.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn parse(&self, raw: &str) -> Option<TargetTypeValue> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/ir/target_type.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Integer(u64),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bytes`
[INFO] [stderr]   --> src/ir/target_type.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Bytes(Vec<u8>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]   --> src/ir/target_type.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Enum(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_type`
[INFO] [stderr]   --> src/ir/target_type.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_type(&self) -> TargetType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AssignBlock`
[INFO] [stderr]   --> src/backend/rust/builder.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     AssignBlock {
[INFO] [stderr] 11 | |         is_let: bool,
[INFO] [stderr] 12 | |         lhs: String,
[INFO] [stderr] 13 | |         rhs: Block,
[INFO] [stderr] 14 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/backend/rust/builder.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     Block {
[INFO] [stderr] 19 | |         block: Block,
[INFO] [stderr] 20 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Module`
[INFO] [stderr]   --> src/backend/rust/builder.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     Module {
[INFO] [stderr] 25 | |         name: String,
[INFO] [stderr] 26 | |         block: Block,
[INFO] [stderr] 27 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block`
[INFO] [stderr]   --> src/backend/rust/builder.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn block(&mut self, block: Block) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format_error`
[INFO] [stderr]   --> src/frontend/protocol_spec/ast/parser.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn format_error(input: &str, error: pds::ParseError) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ir_to_spec`
[INFO] [stderr]  --> src/frontend/protocol_spec/from_ir.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn ir_to_spec(type_name: String, typ: TypeContainer) -> Statement {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ir_to_spec_inner`
[INFO] [stderr]   --> src/frontend/protocol_spec/from_ir.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn ir_to_spec_inner(typ: TypeContainer) -> Statement {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `"docker" "inspect" "1fe953861b08eabd3971cec0f22fce1b5aa4c57d2242a8126c4ce222b84ed123"`
[INFO] running `"docker" "rm" "-f" "1fe953861b08eabd3971cec0f22fce1b5aa4c57d2242a8126c4ce222b84ed123"`
[INFO] [stdout] 1fe953861b08eabd3971cec0f22fce1b5aa4c57d2242a8126c4ce222b84ed123
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ProtoDef-io/protodefc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a99e20a3602842f451a1390eac5ee59dc025666122fd9fec3796e953f299092b
[INFO] running `"docker" "start" "-a" "a99e20a3602842f451a1390eac5ee59dc025666122fd9fec3796e953f299092b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/protodefc-707f5938692023f3
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ir::spec::reference::tests::successes ... ok
[INFO] [stdout] test frontend::protocol_spec::tests::spec_to_compilation_unit ... ok
[INFO] [stdout] test frontend::protocol_spec::ast::value_helpers::tests::tag_validators ... ok
[INFO] [stdout] test frontend::protocol_spec::ast::value_helpers::tests::tag_getters ... ok
[INFO] [stdout] test frontend::protocol_json::test::test_from_json ... ok
[INFO] [stdout] test backend::imperative_base::tests::simple_scalar ... ok
[INFO] [stdout] test backend::imperative_base::tests::container ... ok
[INFO] [stdout] test ir::spec::reference::tests::up_after_down ... ok
[INFO] [stdout] test test_harness::tests::gen_spec_test_cases ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_harness::tests::gen_spec_test_cases stdout ----
[INFO] [stdout] thread 'test_harness::tests::gen_spec_test_cases' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56021c963613 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x56021c95ef4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x56021c962356 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x56021c96207e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x56021c962a5f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:474
[INFO] [stdout]    5:     0x56021c9625e1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stdout]                                at src/libstd/panicking.rs:381
[INFO] [stdout]    6:     0x56021c9624c5 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:308
[INFO] [stdout]    7:     0x56021c974c7c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x56021c94dd17 - core::result::unwrap_failed::h9a95a007c64d7192
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stdout]    9:     0x56021c808280 - core::result::Result<T,E>::unwrap::h9040cfda5f2d6666
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stdout]   10:     0x56021c876fdf - protodefc::test_harness::json_spec_cases::h9ce118f02d0ae7ea
[INFO] [stdout]                                at src/test_harness.rs:17
[INFO] [stdout]   11:     0x56021c8b263b - protodefc::test_harness::tests::gen_spec_test_cases::hcbcc8d103af79cff
[INFO] [stdout]                                at src/test_harness.rs:90
[INFO] [stdout]   12:     0x56021c8b2619 - protodefc::test_harness::tests::gen_spec_test_cases::{{closure}}::hf165d6164e799690
[INFO] [stdout]                                at src/test_harness.rs:89
[INFO] [stdout]   13:     0x56021c8a51ed - core::ops::function::FnOnce::call_once::h4c10784051114d8e
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   14:     0x56021c8bd74e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   15:     0x56021c965b39 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   16:     0x56021c8d8047 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   17:     0x56021c8b2a64 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   18:     0x56021c8b6b14 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   19:     0x56021c965b39 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   20:     0x56021c8b7121 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   21:     0x56021c95672e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   22:     0x56021c96521f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   23:     0x7fafc3cf84a3 - start_thread
[INFO] [stdout]   24:     0x7fafc3823d0e - __clone
[INFO] [stdout]   25:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_harness::tests::gen_spec_test_cases
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "a99e20a3602842f451a1390eac5ee59dc025666122fd9fec3796e953f299092b"`
[INFO] running `"docker" "rm" "-f" "a99e20a3602842f451a1390eac5ee59dc025666122fd9fec3796e953f299092b"`
[INFO] [stdout] a99e20a3602842f451a1390eac5ee59dc025666122fd9fec3796e953f299092b