[INFO] crate reproto-derive 0.3.36 is already in cache
[INFO] extracting crate reproto-derive 0.3.36 into work/ex/beta-1.37-6/sources/1.36.0/reg/reproto-derive/0.3.36
[INFO] extracting crate reproto-derive 0.3.36 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reproto-derive/0.3.36
[INFO] validating manifest of reproto-derive-0.3.36 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 reproto-derive-0.3.36 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 reproto-derive-0.3.36
[INFO] finished frobbing reproto-derive-0.3.36
[INFO] frobbed toml for reproto-derive-0.3.36 written to work/ex/beta-1.37-6/sources/1.36.0/reg/reproto-derive/0.3.36/Cargo.toml
[INFO] started frobbing reproto-derive-0.3.36
[INFO] finished frobbing reproto-derive-0.3.36
[INFO] frobbed toml for reproto-derive-0.3.36 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reproto-derive/0.3.36/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing reproto-derive-0.3.36 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reproto-derive/0.3.36:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7c5b034ecebd0e660e0bdbdc7ced15de60bfad6283cf76181007aa4e7ef458ec
[INFO] running `"docker" "start" "-a" "7c5b034ecebd0e660e0bdbdc7ced15de60bfad6283cf76181007aa4e7ef458ec"`
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling reproto-core v0.3.36
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling reproto-lexer v0.3.36
[INFO] [stderr]    Compiling reproto-ast v0.3.36
[INFO] [stderr]    Compiling reproto-derive v0.3.36 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn as_object(&self) -> Option<&Object<Value = Self>>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object<Value = Self>`
[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]   --> json.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> json.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 |             json::Value::Object(ref object) => Some(object as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:31:67
[INFO] [stderr]    |
[INFO] [stderr] 31 |             yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |     format: Box<format::Format>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |         format: Box<format::Format>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.84s
[INFO] running `"docker" "inspect" "7c5b034ecebd0e660e0bdbdc7ced15de60bfad6283cf76181007aa4e7ef458ec"`
[INFO] running `"docker" "rm" "-f" "7c5b034ecebd0e660e0bdbdc7ced15de60bfad6283cf76181007aa4e7ef458ec"`
[INFO] [stdout] 7c5b034ecebd0e660e0bdbdc7ced15de60bfad6283cf76181007aa4e7ef458ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reproto-derive/0.3.36:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f3c19b2e3854b19b12bb67eb2984d3df034c1606b33c7d68a7d6d9c85332932c
[INFO] running `"docker" "start" "-a" "f3c19b2e3854b19b12bb67eb2984d3df034c1606b33c7d68a7d6d9c85332932c"`
[INFO] [stderr]    Compiling reproto-derive v0.3.36 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn as_object(&self) -> Option<&Object<Value = Self>>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object<Value = Self>`
[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]   --> json.rs:37:36
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> json.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 |             json::Value::Object(ref object) => Some(object as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn as_object(&self) -> Option<&format::Object<Value = Self>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> yaml.rs:31:67
[INFO] [stderr]    |
[INFO] [stderr] 31 |             yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object<Value = Self>),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object<Value = Self>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |     format: Box<format::Format>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |         format: Box<format::Format>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `"docker" "inspect" "f3c19b2e3854b19b12bb67eb2984d3df034c1606b33c7d68a7d6d9c85332932c"`
[INFO] running `"docker" "rm" "-f" "f3c19b2e3854b19b12bb67eb2984d3df034c1606b33c7d68a7d6d9c85332932c"`
[INFO] [stdout] f3c19b2e3854b19b12bb67eb2984d3df034c1606b33c7d68a7d6d9c85332932c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reproto-derive/0.3.36:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 52233d779a5d27c879b27252cb8d55f0f93b8b7f26c70d83deb54cb0ada38ea2
[INFO] running `"docker" "start" "-a" "52233d779a5d27c879b27252cb8d55f0f93b8b7f26c70d83deb54cb0ada38ea2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reproto_derive-849328da76503ff0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::simple_declaration ... ok
[INFO] [stdout] test utils::tests::test_simple ... ok
[INFO] [stdout] test tests::test_interface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reproto-derive
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "52233d779a5d27c879b27252cb8d55f0f93b8b7f26c70d83deb54cb0ada38ea2"`
[INFO] running `"docker" "rm" "-f" "52233d779a5d27c879b27252cb8d55f0f93b8b7f26c70d83deb54cb0ada38ea2"`
[INFO] [stdout] 52233d779a5d27c879b27252cb8d55f0f93b8b7f26c70d83deb54cb0ada38ea2