[INFO] crate protobuf-json 0.3.0 is already in cache [INFO] extracting crate protobuf-json 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/protobuf-json/0.3.0 [INFO] extracting crate protobuf-json 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/protobuf-json/0.3.0 [INFO] validating manifest of protobuf-json-0.3.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of protobuf-json-0.3.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing protobuf-json-0.3.0 [INFO] finished frobbing protobuf-json-0.3.0 [INFO] frobbed toml for protobuf-json-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/protobuf-json/0.3.0/Cargo.toml [INFO] started frobbing protobuf-json-0.3.0 [INFO] finished frobbing protobuf-json-0.3.0 [INFO] frobbed toml for protobuf-json-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/protobuf-json/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing protobuf-json-0.3.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/protobuf-json/0.3.0:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 46b436ad8d8930febbfb1585b97da29282b22e091cd4ab6655c6b49c2ab60d30 [INFO] running `"docker" "start" "-a" "46b436ad8d8930febbfb1585b97da29282b22e091cd4ab6655c6b49c2ab60d30"` [INFO] [stderr] Compiling protobuf v1.7.5 [INFO] [stderr] Compiling protobuf-json v0.3.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:11:32 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn proto_to_json(message: &Message) -> serde_json::Value { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:25:22 [INFO] [stderr] | [INFO] [stderr] 25 | fn field_to_json(m: &Message, fd: &FieldDescriptor) -> Option { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | message: &'a Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:45:19 [INFO] [stderr] | [INFO] [stderr] 45 | get_size_fn: &Fn(&Message) -> usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> usize` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:45:23 [INFO] [stderr] | [INFO] [stderr] 45 | get_size_fn: &Fn(&Message) -> usize, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:22 [INFO] [stderr] | [INFO] [stderr] 46 | extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a Message, usize) -> &'a T` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:29 [INFO] [stderr] | [INFO] [stderr] 46 | extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:57:15 [INFO] [stderr] | [INFO] [stderr] 57 | message: &Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:18 [INFO] [stderr] | [INFO] [stderr] 58 | extract_fn: &Fn(&Message) -> Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Vec` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:22 [INFO] [stderr] | [INFO] [stderr] 58 | extract_fn: &Fn(&Message) -> Vec, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:59:22 [INFO] [stderr] | [INFO] [stderr] 59 | convert_one_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:37 [INFO] [stderr] | [INFO] [stderr] 65 | fn repeated_field_to_json(message: &Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:130:40 [INFO] [stderr] | [INFO] [stderr] 130 | let mut sub_messages: Vec<&protobuf::Message> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:162:37 [INFO] [stderr] | [INFO] [stderr] 162 | fn singular_field_to_json(message: &protobuf::Message, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:201:31 [INFO] [stderr] | [INFO] [stderr] 201 | let sub_message: &protobuf::Message = [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.79s [INFO] running `"docker" "inspect" "46b436ad8d8930febbfb1585b97da29282b22e091cd4ab6655c6b49c2ab60d30"` [INFO] running `"docker" "rm" "-f" "46b436ad8d8930febbfb1585b97da29282b22e091cd4ab6655c6b49c2ab60d30"` [INFO] [stdout] 46b436ad8d8930febbfb1585b97da29282b22e091cd4ab6655c6b49c2ab60d30 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/protobuf-json/0.3.0:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a9d46712b44299580095a4e62fbf7f53980b5b0da4569cc5d26f65ce7dc9fb84 [INFO] running `"docker" "start" "-a" "a9d46712b44299580095a4e62fbf7f53980b5b0da4569cc5d26f65ce7dc9fb84"` [INFO] [stderr] Compiling protobuf-json v0.3.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:131:26 [INFO] [stderr] | [INFO] [stderr] 131 | fn as_any(&self) -> &::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:132:18 [INFO] [stderr] | [INFO] [stderr] 132 | self as &::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:134:38 [INFO] [stderr] | [INFO] [stderr] 134 | fn as_any_mut(&mut self) -> &mut ::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:135:22 [INFO] [stderr] | [INFO] [stderr] 135 | self as &mut ::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:137:55 [INFO] [stderr] | [INFO] [stderr] 137 | fn into_any(self: Box) -> ::std::boxed::Box<::std::any::Any> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:1653:26 [INFO] [stderr] | [INFO] [stderr] 1653 | fn as_any(&self) -> &::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:1654:18 [INFO] [stderr] | [INFO] [stderr] 1654 | self as &::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:1656:38 [INFO] [stderr] | [INFO] [stderr] 1656 | fn as_any_mut(&mut self) -> &mut ::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:1657:22 [INFO] [stderr] | [INFO] [stderr] 1657 | self as &mut ::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:1659:55 [INFO] [stderr] | [INFO] [stderr] 1659 | fn into_any(self: Box) -> ::std::boxed::Box<::std::any::Any> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:2082:26 [INFO] [stderr] | [INFO] [stderr] 2082 | fn as_any(&self) -> &::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:2083:18 [INFO] [stderr] | [INFO] [stderr] 2083 | self as &::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:2085:38 [INFO] [stderr] | [INFO] [stderr] 2085 | fn as_any_mut(&mut self) -> &mut ::std::any::Any { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:2086:22 [INFO] [stderr] | [INFO] [stderr] 2086 | self as &mut ::std::any::Any [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/test_proto.rs:2088:55 [INFO] [stderr] | [INFO] [stderr] 2088 | fn into_any(self: Box) -> ::std::boxed::Box<::std::any::Any> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tests/mod.rs:160:43 [INFO] [stderr] | [INFO] [stderr] 160 | fn to_serde_array(v: Vec, conv_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:11:32 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn proto_to_json(message: &Message) -> serde_json::Value { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:25:22 [INFO] [stderr] | [INFO] [stderr] 25 | fn field_to_json(m: &Message, fd: &FieldDescriptor) -> Option { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | message: &'a Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:45:19 [INFO] [stderr] | [INFO] [stderr] 45 | get_size_fn: &Fn(&Message) -> usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> usize` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:45:23 [INFO] [stderr] | [INFO] [stderr] 45 | get_size_fn: &Fn(&Message) -> usize, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:22 [INFO] [stderr] | [INFO] [stderr] 46 | extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a Message, usize) -> &'a T` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:46:29 [INFO] [stderr] | [INFO] [stderr] 46 | extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:57:15 [INFO] [stderr] | [INFO] [stderr] 57 | message: &Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:18 [INFO] [stderr] | [INFO] [stderr] 58 | extract_fn: &Fn(&Message) -> Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Vec` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:22 [INFO] [stderr] | [INFO] [stderr] 58 | extract_fn: &Fn(&Message) -> Vec, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:59:22 [INFO] [stderr] | [INFO] [stderr] 59 | convert_one_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:37 [INFO] [stderr] | [INFO] [stderr] 65 | fn repeated_field_to_json(message: &Message, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:130:40 [INFO] [stderr] | [INFO] [stderr] 130 | let mut sub_messages: Vec<&protobuf::Message> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:162:37 [INFO] [stderr] | [INFO] [stderr] 162 | fn singular_field_to_json(message: &protobuf::Message, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:201:31 [INFO] [stderr] | [INFO] [stderr] 201 | let sub_message: &protobuf::Message = [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `"docker" "inspect" "a9d46712b44299580095a4e62fbf7f53980b5b0da4569cc5d26f65ce7dc9fb84"` [INFO] running `"docker" "rm" "-f" "a9d46712b44299580095a4e62fbf7f53980b5b0da4569cc5d26f65ce7dc9fb84"` [INFO] [stdout] a9d46712b44299580095a4e62fbf7f53980b5b0da4569cc5d26f65ce7dc9fb84 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/protobuf-json/0.3.0:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 0bc7c02074f48eb5938c1a20372dbb09909fc258cce81013c058e259bec8c564 [INFO] running `"docker" "start" "-a" "0bc7c02074f48eb5938c1a20372dbb09909fc258cce81013c058e259bec8c564"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/protobuf_json-39d44b70daebb108 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::simple_proto_to_json ... ok [INFO] [stdout] test tests::full_proto_to_json ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::full_proto_to_json stdout ---- [INFO] [stdout] thread 'tests::full_proto_to_json' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.7.5/src/reflect/accessor.rs:325:18 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56099988522b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56099988522b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56099988522b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x56099988522b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x56099988522b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x560999884e9a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5609998859a0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x560999830d98 - std::panicking::begin_panic::h86be082884f73c57 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x560999613a22 - as protobuf::reflect::accessor::FieldAccessor>::get_message_generic::h5c3c96dc39eca9b8 [INFO] [stdout] at /opt/crater/workdir/<::std::macros::panic macros>:4 [INFO] [stdout] 9: 0x5609997d1a5a - protobuf::reflect::FieldDescriptor::get_message::h796f51c2015bef27 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.7.5/src/reflect/mod.rs:72 [INFO] [stdout] 10: 0x560999623e33 - protobuf_json::singular_field_to_json::hbf36b72957ac5df6 [INFO] [stdout] at src/lib.rs:202 [INFO] [stdout] 11: 0x560999621fa6 - protobuf_json::field_to_json::h065c202508080bb8 [INFO] [stdout] at src/lib.rs:32 [INFO] [stdout] 12: 0x560999621cc6 - protobuf_json::proto_to_json::h7cab9d861b1d2680 [INFO] [stdout] at src/lib.rs:15 [INFO] [stdout] 13: 0x5609996284af - protobuf_json::tests::full_proto_to_json::h0806d61b316a5480 [INFO] [stdout] at src/tests/mod.rs:69 [INFO] [stdout] 14: 0x56099962792a - protobuf_json::tests::full_proto_to_json::{{closure}}::h9516b27c18116fe8 [INFO] [stdout] at src/tests/mod.rs:20 [INFO] [stdout] 15: 0x5609995f952e - core::ops::function::FnOnce::call_once::h88377d2d1cbdcecb [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x560999641fcf - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x560999887f1a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x56099965c5c8 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x56099965c5c8 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x56099965c5c8 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x560999637445 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x56099963b505 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x56099963b505 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x56099963b505 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x560999887f1a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x56099963bc02 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x56099963bc02 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x56099963bc02 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x56099963bc02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x56099987ae2f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x560999887670 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x560999887670 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x560999887670 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7fe629a574a4 - start_thread [INFO] [stdout] 35: 0x7fe629582d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::full_proto_to_json [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 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" "0bc7c02074f48eb5938c1a20372dbb09909fc258cce81013c058e259bec8c564"` [INFO] running `"docker" "rm" "-f" "0bc7c02074f48eb5938c1a20372dbb09909fc258cce81013c058e259bec8c564"` [INFO] [stdout] 0bc7c02074f48eb5938c1a20372dbb09909fc258cce81013c058e259bec8c564