[INFO] crate zipkin-types 0.1.0 is already in cache
[INFO] extracting crate zipkin-types 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/zipkin-types/0.1.0
[INFO] extracting crate zipkin-types 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zipkin-types/0.1.0
[INFO] validating manifest of zipkin-types-0.1.0 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 zipkin-types-0.1.0 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 zipkin-types-0.1.0
[INFO] finished frobbing zipkin-types-0.1.0
[INFO] frobbed toml for zipkin-types-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/zipkin-types/0.1.0/Cargo.toml
[INFO] started frobbing zipkin-types-0.1.0
[INFO] finished frobbing zipkin-types-0.1.0
[INFO] frobbed toml for zipkin-types-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zipkin-types/0.1.0/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] 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] testing zipkin-types-0.1.0 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/zipkin-types/0.1.0:/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] 0baa49c5b6ef40df1c6a0194be987545c8f784dae88539603e76c20664c3abea
[INFO] running `"docker" "start" "-a" "0baa49c5b6ef40df1c6a0194be987545c8f784dae88539603e76c20664c3abea"`
[INFO] [stderr]    Compiling zipkin-types v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_id.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn 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/trace_id.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "0baa49c5b6ef40df1c6a0194be987545c8f784dae88539603e76c20664c3abea"`
[INFO] running `"docker" "rm" "-f" "0baa49c5b6ef40df1c6a0194be987545c8f784dae88539603e76c20664c3abea"`
[INFO] [stdout] 0baa49c5b6ef40df1c6a0194be987545c8f784dae88539603e76c20664c3abea
[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/zipkin-types/0.1.0:/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] 9d5d0363bf2d58d17fa1f2ec1b069051dc3e9a95660d16b91c784ae775e03d20
[INFO] running `"docker" "start" "-a" "9d5d0363bf2d58d17fa1f2ec1b069051dc3e9a95660d16b91c784ae775e03d20"`
[INFO] [stderr]    Compiling zipkin-types v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/span_id.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn 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/trace_id.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "9d5d0363bf2d58d17fa1f2ec1b069051dc3e9a95660d16b91c784ae775e03d20"`
[INFO] running `"docker" "rm" "-f" "9d5d0363bf2d58d17fa1f2ec1b069051dc3e9a95660d16b91c784ae775e03d20"`
[INFO] [stdout] 9d5d0363bf2d58d17fa1f2ec1b069051dc3e9a95660d16b91c784ae775e03d20
[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/zipkin-types/0.1.0:/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] 287e81a00218997ca34ad736e704f007de1f5b26978ecb6728ecbb916222def7
[INFO] running `"docker" "start" "-a" "287e81a00218997ca34ad736e704f007de1f5b26978ecb6728ecbb916222def7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zipkin_types-677b00d14dc937da
[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] [stderr]    Doc-tests zipkin-types
[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" "287e81a00218997ca34ad736e704f007de1f5b26978ecb6728ecbb916222def7"`
[INFO] running `"docker" "rm" "-f" "287e81a00218997ca34ad736e704f007de1f5b26978ecb6728ecbb916222def7"`
[INFO] [stdout] 287e81a00218997ca34ad736e704f007de1f5b26978ecb6728ecbb916222def7