[INFO] crate hawktracer-converter 0.0.1 is already in cache
[INFO] extracting crate hawktracer-converter 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/hawktracer-converter/0.0.1
[INFO] extracting crate hawktracer-converter 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hawktracer-converter/0.0.1
[INFO] validating manifest of hawktracer-converter-0.0.1 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 hawktracer-converter-0.0.1 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 hawktracer-converter-0.0.1
[INFO] finished frobbing hawktracer-converter-0.0.1
[INFO] frobbed toml for hawktracer-converter-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hawktracer-converter/0.0.1/Cargo.toml
[INFO] started frobbing hawktracer-converter-0.0.1
[INFO] finished frobbing hawktracer-converter-0.0.1
[INFO] frobbed toml for hawktracer-converter-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hawktracer-converter/0.0.1/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 hawktracer-converter-0.0.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hawktracer-converter/0.0.1:/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] bf427ea0eeb291284826ea546ec4ff3ac0d145b7e35dd1ed4d41eafc5ddad073
[INFO] running `"docker" "start" "-a" "bf427ea0eeb291284826ea546ec4ff3ac0d145b7e35dd1ed4d41eafc5ddad073"`
[INFO] [stderr]    Compiling hawktracer-parser v0.2.2
[INFO] [stderr]    Compiling hawktracer-converter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converters/debug_converter.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |     writable: Box<std::io::Write>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/converters/debug_converter.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ) -> Result<(), 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/converters/debug_converter.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(writable: Box<std::io::Write>) -> DebugConverter {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/debug_converter.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         writable: Box<std::io::Write>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/debug_converter.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |     ) -> Box<Converter> {
[INFO] [stderr]    |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     writable: Box<std::io::Write>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn new(writable: Box<std::io::Write>, label_getter: LabelGetter) -> FlamegraphConverter {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |     ) -> Result<(), 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/converters/flamegraph_converter.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |         writable: Box<std::io::Write>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:198:14
[INFO] [stderr]     |
[INFO] [stderr] 198 |     ) -> Box<Converter> {
[INFO] [stderr]     |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:208:23
[INFO] [stderr]     |
[INFO] [stderr] 208 |     writable: &'a mut std::io::Write,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:212:34
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn new(writable: &'a mut std::io::Write) -> HTMLFlameGraphWritter<'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converters/chrome_tracing_converter.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     writable: Box<std::io::Write>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/chrome_tracing_converter.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     ) -> Result<(), 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/converters/chrome_tracing_converter.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn new(writable: Box<std::io::Write>, label_getter: LabelGetter) -> ChromeTracingConverter {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 150 |         writable: &mut std::io::Write,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |     ) -> Result<(), 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/converters/chrome_tracing_converter.rs:179:23
[INFO] [stderr]     |
[INFO] [stderr] 179 |         writable: Box<std::io::Write>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:181:14
[INFO] [stderr]     |
[INFO] [stderr] 181 |     ) -> Box<Converter> {
[INFO] [stderr]     |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ) -> Result<(), 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/converters.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn construct(&self, writable: Box<std::io::Write>, label_getter: LabelGetter)
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |         -> Box<Converter>;
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converter_manager.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |     factories: std::vec::Vec<Box<ConverterFactory>>,
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConverterFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:18:44
[INFO] [stderr]    |
[INFO] [stderr] 18 |             factories: std::vec::Vec::<Box<ConverterFactory>>::new(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConverterFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |         writable: Box<std::io::Write>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ) -> Option<Box<Converter>> {
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         HTMLFlameGraphWritter::new(&mut self.writable).write_flamegraph(&super_root);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:68
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn create_output_stream(is_stdout: bool, output_file: &str) -> Box<std::io::Write> {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/main.rs:35:82
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn wait_for_connection(socket_addr: std::net::SocketAddr) -> std::io::Result<Box<std::io::Read>> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let source_obj: Box<std::io::Read> =
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "bf427ea0eeb291284826ea546ec4ff3ac0d145b7e35dd1ed4d41eafc5ddad073"`
[INFO] running `"docker" "rm" "-f" "bf427ea0eeb291284826ea546ec4ff3ac0d145b7e35dd1ed4d41eafc5ddad073"`
[INFO] [stdout] bf427ea0eeb291284826ea546ec4ff3ac0d145b7e35dd1ed4d41eafc5ddad073
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hawktracer-converter/0.0.1:/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] d49a499322b70207416634029f5db3d82a29a225fea05cc7709e8d03346b3cd3
[INFO] running `"docker" "start" "-a" "d49a499322b70207416634029f5db3d82a29a225fea05cc7709e8d03346b3cd3"`
[INFO] [stderr]    Compiling hawktracer-converter v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converters/debug_converter.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |     writable: Box<std::io::Write>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/converters/debug_converter.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ) -> Result<(), 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/converters/debug_converter.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(writable: Box<std::io::Write>) -> DebugConverter {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/debug_converter.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         writable: Box<std::io::Write>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/debug_converter.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |     ) -> Box<Converter> {
[INFO] [stderr]    |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     writable: Box<std::io::Write>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn new(writable: Box<std::io::Write>, label_getter: LabelGetter) -> FlamegraphConverter {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |     ) -> Result<(), 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/converters/flamegraph_converter.rs:196:23
[INFO] [stderr]     |
[INFO] [stderr] 196 |         writable: Box<std::io::Write>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:198:14
[INFO] [stderr]     |
[INFO] [stderr] 198 |     ) -> Box<Converter> {
[INFO] [stderr]     |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:208:23
[INFO] [stderr]     |
[INFO] [stderr] 208 |     writable: &'a mut std::io::Write,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:212:34
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn new(writable: &'a mut std::io::Write) -> HTMLFlameGraphWritter<'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converters/chrome_tracing_converter.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     writable: Box<std::io::Write>,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters/chrome_tracing_converter.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     ) -> Result<(), 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/converters/chrome_tracing_converter.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn new(writable: Box<std::io::Write>, label_getter: LabelGetter) -> ChromeTracingConverter {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 150 |         writable: &mut std::io::Write,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |     ) -> Result<(), 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/converters/chrome_tracing_converter.rs:179:23
[INFO] [stderr]     |
[INFO] [stderr] 179 |         writable: Box<std::io::Write>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/converters/chrome_tracing_converter.rs:181:14
[INFO] [stderr]     |
[INFO] [stderr] 181 |     ) -> Box<Converter> {
[INFO] [stderr]     |              ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ) -> Result<(), 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/converters.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn construct(&self, writable: Box<std::io::Write>, label_getter: LabelGetter)
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converters.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |         -> Box<Converter>;
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/converter_manager.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 |     factories: std::vec::Vec<Box<ConverterFactory>>,
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConverterFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:18:44
[INFO] [stderr]    |
[INFO] [stderr] 18 |             factories: std::vec::Vec::<Box<ConverterFactory>>::new(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConverterFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |         writable: Box<std::io::Write>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/converter_manager.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     ) -> Option<Box<Converter>> {
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:68
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn create_output_stream(is_stdout: bool, output_file: &str) -> Box<std::io::Write> {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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/main.rs:35:82
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn wait_for_connection(socket_addr: std::net::SocketAddr) -> std::io::Result<Box<std::io::Read>> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let source_obj: Box<std::io::Read> =
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/converters/flamegraph_converter.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         HTMLFlameGraphWritter::new(&mut self.writable).write_flamegraph(&super_root);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/label_mapping.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         map.load_from_file(&path.to_str().unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/label_mapping.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         map.load_from_file(&path.to_str().unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "d49a499322b70207416634029f5db3d82a29a225fea05cc7709e8d03346b3cd3"`
[INFO] running `"docker" "rm" "-f" "d49a499322b70207416634029f5db3d82a29a225fea05cc7709e8d03346b3cd3"`
[INFO] [stdout] d49a499322b70207416634029f5db3d82a29a225fea05cc7709e8d03346b3cd3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hawktracer-converter/0.0.1:/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] e47293f72d682fb1d482f2f9c98dce50f80dc933fef6dbc450c3efa8b12fd059
[INFO] running `"docker" "start" "-a" "e47293f72d682fb1d482f2f9c98dce50f80dc933fef6dbc450c3efa8b12fd059"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hawktracer_converter_lib-1dc483c8f9ee244a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hawktracer_converter-4b6d0fd42244e9d2
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test label_mapping::tests::getter_should_not_return_value_if_field_does_not_exist ... ok
[INFO] [stdout] test label_mapping::tests::getter_should_not_return_value_if_value_is_invalid ... ok
[INFO] [stdout] test label_mapping::tests::map_should_return_label_if_mapping_exist ... ok
[INFO] [stdout] test label_mapping::tests::map_should_return_number_if_mapping_does_not_exist ... ok
[INFO] [stdout] test label_mapping::tests::load_from_file_valid_file_should_load_mapping ... ok
[INFO] [stdout] test label_mapping::tests::getter_should_return_value_if_value_exists ... ok
[INFO] [stdout] test label_mapping::tests::load_from_file_should_fail_if_file_does_not_exist ... ok
[INFO] [stdout] test label_mapping::tests::load_from_file_corrupted_file_should_ignore_invalid_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hawktracer_converter_lib
[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] [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" "e47293f72d682fb1d482f2f9c98dce50f80dc933fef6dbc450c3efa8b12fd059"`
[INFO] running `"docker" "rm" "-f" "e47293f72d682fb1d482f2f9c98dce50f80dc933fef6dbc450c3efa8b12fd059"`
[INFO] [stdout] e47293f72d682fb1d482f2f9c98dce50f80dc933fef6dbc450c3efa8b12fd059