[INFO] crate zipkin 0.3.4 is already in cache
[INFO] extracting crate zipkin 0.3.4 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/zipkin/0.3.4
[INFO] extracting crate zipkin 0.3.4 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zipkin/0.3.4
[INFO] validating manifest of zipkin-0.3.4 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zipkin-0.3.4 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zipkin-0.3.4
[INFO] finished frobbing zipkin-0.3.4
[INFO] frobbed toml for zipkin-0.3.4 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/zipkin/0.3.4/Cargo.toml
[INFO] started frobbing zipkin-0.3.4
[INFO] finished frobbing zipkin-0.3.4
[INFO] frobbed toml for zipkin-0.3.4 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zipkin/0.3.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zipkin-0.3.4 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zipkin/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75b72b90a8333dca0a88bd49f250aa39ae999195f447b290997d69eef254368a
[INFO] running `"docker" "start" "-a" "75b72b90a8333dca0a88bd49f250aa39ae999195f447b290997d69eef254368a"`
[INFO] [stderr]     Checking thread-local-object v0.1.0
[INFO] [stderr]     Checking zipkin-types v0.1.0
[INFO] [stderr]     Checking zipkin v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:259:19
[INFO] [stderr]     |
[INFO] [stderr] 259 |     reporter: Box<Report + Sync + Send>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[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/tracer.rs:260:18
[INFO] [stderr]     |
[INFO] [stderr] 260 |     sampler: Box<Sample + Sync + Send>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:395:26
[INFO] [stderr]     |
[INFO] [stderr] 395 |     reporter: Option<Box<Report + Sync + Send>>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:396:25
[INFO] [stderr]     |
[INFO] [stderr] 396 |     sampler: Option<Box<Sample + Sync + Send>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:403:46
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn reporter(&mut self, reporter: Box<Report + Sync + Send>) -> &mut Builder {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:411:44
[INFO] [stderr]     |
[INFO] [stderr] 411 |     pub fn sampler(&mut self, sampler: Box<Sample + Sync + Send>) -> &mut Builder {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:259:19
[INFO] [stderr]     |
[INFO] [stderr] 259 |     reporter: Box<Report + Sync + Send>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[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/tracer.rs:260:18
[INFO] [stderr]     |
[INFO] [stderr] 260 |     sampler: Box<Sample + Sync + Send>,
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:395:26
[INFO] [stderr]     |
[INFO] [stderr] 395 |     reporter: Option<Box<Report + Sync + Send>>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:396:25
[INFO] [stderr]     |
[INFO] [stderr] 396 |     sampler: Option<Box<Sample + Sync + Send>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:403:46
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn reporter(&mut self, reporter: Box<Report + Sync + Send>) -> &mut Builder {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Report + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tracer.rs:411:44
[INFO] [stderr]     |
[INFO] [stderr] 411 |     pub fn sampler(&mut self, sampler: Box<Sample + Sync + Send>) -> &mut Builder {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Sample + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "75b72b90a8333dca0a88bd49f250aa39ae999195f447b290997d69eef254368a"`
[INFO] running `"docker" "rm" "-f" "75b72b90a8333dca0a88bd49f250aa39ae999195f447b290997d69eef254368a"`
[INFO] [stdout] 75b72b90a8333dca0a88bd49f250aa39ae999195f447b290997d69eef254368a