[INFO] crate opentracingrust 0.3.4 is already in cache
[INFO] extracting crate opentracingrust 0.3.4 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/opentracingrust/0.3.4
[INFO] extracting crate opentracingrust 0.3.4 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/opentracingrust/0.3.4
[INFO] validating manifest of opentracingrust-0.3.4 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of opentracingrust-0.3.4 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing opentracingrust-0.3.4
[INFO] finished frobbing opentracingrust-0.3.4
[INFO] frobbed toml for opentracingrust-0.3.4 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/opentracingrust/0.3.4/Cargo.toml
[INFO] started frobbing opentracingrust-0.3.4
[INFO] finished frobbing opentracingrust-0.3.4
[INFO] frobbed toml for opentracingrust-0.3.4 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/opentracingrust/0.3.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking opentracingrust-0.3.4 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/opentracingrust/0.3.4:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 93cbda525e7230c73befcfe006c738f2d9b37e71f9b63e4b5a917d2b6763297b
[INFO] running `"docker" "start" "-a" "93cbda525e7230c73befcfe006c738f2d9b37e71f9b63e4b5a917d2b6763297b"`
[INFO] [stderr]     Checking opentracingrust v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Binary(Box<&'a mut self::io::Read>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn self::io::Read`
[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/carrier.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     HttpHeaders(Box<&'a MapCarrier>),
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     TextMap(Box<&'a MapCarrier>)
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:57:24
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Binary(Box<&'a mut self::io::Write>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn self::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |     HttpHeaders(Box<&'a mut MapCarrier>),
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |     TextMap(Box<&'a mut MapCarrier>)
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/impl_context.rs:81:32
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn impl_context(&self) -> &Any;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/impl_context.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn clone(&self) -> Box<ImplContext>;
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_context/impl_context.rs:144:32
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn impl_context(&self) -> &Any {
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_context/impl_context.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn clone(&self) -> Box<ImplContext> {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/mod.rs:93:16
[INFO] [stderr]    |
[INFO] [stderr] 93 |     inner: Box<ImplContext>,
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |     tracer: Box<TracerInterface>
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TracerInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Binary(Box<&'a mut self::io::Read>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn self::io::Read`
[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/carrier.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     HttpHeaders(Box<&'a MapCarrier>),
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     TextMap(Box<&'a MapCarrier>)
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:57:24
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Binary(Box<&'a mut self::io::Write>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn self::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |     HttpHeaders(Box<&'a mut MapCarrier>),
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/carrier.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |     TextMap(Box<&'a mut MapCarrier>)
[INFO] [stderr]    |                         ^^^^^^^^^^ help: use `dyn`: `dyn MapCarrier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/impl_context.rs:81:32
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn impl_context(&self) -> &Any;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/impl_context.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn clone(&self) -> Box<ImplContext>;
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_context/impl_context.rs:144:32
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn impl_context(&self) -> &Any {
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_context/impl_context.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn clone(&self) -> Box<ImplContext> {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/span_context/mod.rs:93:16
[INFO] [stderr]    |
[INFO] [stderr] 93 |     inner: Box<ImplContext>,
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |     tracer: Box<TracerInterface>
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TracerInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils/fail.rs:108:36
[INFO] [stderr]     |
[INFO] [stderr] 108 |         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]   --> examples/1-custom-tracer.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn impl_context(&self) -> &Any {
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn 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]   --> examples/1-custom-tracer.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn clone(&self) -> Box<ImplContext> {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ImplContext`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "93cbda525e7230c73befcfe006c738f2d9b37e71f9b63e4b5a917d2b6763297b"`
[INFO] running `"docker" "rm" "-f" "93cbda525e7230c73befcfe006c738f2d9b37e71f9b63e4b5a917d2b6763297b"`
[INFO] [stdout] 93cbda525e7230c73befcfe006c738f2d9b37e71f9b63e4b5a917d2b6763297b