[INFO] crate caniuse-serde 0.0.6 is already in cache
[INFO] extracting crate caniuse-serde 0.0.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/caniuse-serde/0.0.6
[INFO] extracting crate caniuse-serde 0.0.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caniuse-serde/0.0.6
[INFO] validating manifest of caniuse-serde-0.0.6 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 caniuse-serde-0.0.6 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 caniuse-serde-0.0.6
[INFO] finished frobbing caniuse-serde-0.0.6
[INFO] frobbed toml for caniuse-serde-0.0.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/caniuse-serde/0.0.6/Cargo.toml
[INFO] started frobbing caniuse-serde-0.0.6
[INFO] finished frobbing caniuse-serde-0.0.6
[INFO] frobbed toml for caniuse-serde-0.0.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caniuse-serde/0.0.6/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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache lock
[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 caniuse-serde-0.0.6 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-4/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/caniuse-serde/0.0.6:/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] a36500aed15a2ae0e47b3d0ec9925a9deac6deecc3d083386542af776d94b98c
[INFO] running `"docker" "start" "-a" "a36500aed15a2ae0e47b3d0ec9925a9deac6deecc3d083386542af776d94b98c"`
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling caniuse-serde v0.0.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/regional_usage/RegionalUsage.rs:42:93
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn from_path<P: AsRef<Path>>(regional_usage_database_file_path: P) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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/regional_usage/RegionalUsage.rs:49:109
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn from_reader<R: Read>(reader_of_stream_of_regional_usage_database_json_bytes: R) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/regional_usage/RegionalUsagesFromStrError.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn cause(&self) -> Option<&Error>
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/CanIUse.rs:47:88
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_path<P: AsRef<Path>>(can_i_use_database_file_path: P) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/CanIUse.rs:54:95
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn from_reader<R: Read>(reader_of_stream_of_can_i_use_json_bytes: R) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `"docker" "inspect" "a36500aed15a2ae0e47b3d0ec9925a9deac6deecc3d083386542af776d94b98c"`
[INFO] running `"docker" "rm" "-f" "a36500aed15a2ae0e47b3d0ec9925a9deac6deecc3d083386542af776d94b98c"`
[INFO] [stdout] a36500aed15a2ae0e47b3d0ec9925a9deac6deecc3d083386542af776d94b98c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/caniuse-serde/0.0.6:/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] cdf54e7cf1aa35f6056b7a35a394db3e94ad1315ecdfc78c667ee48e768d3d23
[INFO] running `"docker" "start" "-a" "cdf54e7cf1aa35f6056b7a35a394db3e94ad1315ecdfc78c667ee48e768d3d23"`
[INFO] [stderr]    Compiling caniuse-serde v0.0.6 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `Asia` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |         Asia.deref(),
[INFO] [stderr]    |         ^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::Asia;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::Asia;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Europe` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Europe.deref(),
[INFO] [stderr]    |         ^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::Europe;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::Europe;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `NorthAmerica` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |         NorthAmerica.deref(),
[INFO] [stderr]    |         ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::NorthAmerica;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::NorthAmerica;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `SouthAmerica` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |         SouthAmerica.deref(),
[INFO] [stderr]    |         ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::SouthAmerica;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::SouthAmerica;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `AU` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |         AU.deref(),
[INFO] [stderr]    |         ^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::AU;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::AU;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `NZ` in this scope
[INFO] [stderr]   --> src/systemTests/mod.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |         NZ.deref(),
[INFO] [stderr]    |         ^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::NZ;
[INFO] [stderr]    |
[INFO] [stderr] 5  | use regional_usage::RegionalUsages::NZ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/regional_usage/RegionalUsage.rs:42:93
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn from_path<P: AsRef<Path>>(regional_usage_database_file_path: P) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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/regional_usage/RegionalUsage.rs:49:109
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn from_reader<R: Read>(reader_of_stream_of_regional_usage_database_json_bytes: R) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/regional_usage/RegionalUsagesFromStrError.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn cause(&self) -> Option<&Error>
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/CanIUse.rs:47:88
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_path<P: AsRef<Path>>(can_i_use_database_file_path: P) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/CanIUse.rs:54:95
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn from_reader<R: Read>(reader_of_stream_of_can_i_use_json_bytes: R) -> Result<Self, Box<::std::error::Error>>
[INFO] [stderr]    |                                                                                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `caniuse-serde`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cdf54e7cf1aa35f6056b7a35a394db3e94ad1315ecdfc78c667ee48e768d3d23"`
[INFO] running `"docker" "rm" "-f" "cdf54e7cf1aa35f6056b7a35a394db3e94ad1315ecdfc78c667ee48e768d3d23"`
[INFO] [stdout] cdf54e7cf1aa35f6056b7a35a394db3e94ad1315ecdfc78c667ee48e768d3d23