[INFO] crate futures-zipkin 0.4.0 is already in cache
[INFO] extracting crate futures-zipkin 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/futures-zipkin/0.4.0
[INFO] extracting crate futures-zipkin 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-zipkin/0.4.0
[INFO] validating manifest of futures-zipkin-0.4.0 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 futures-zipkin-0.4.0 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 futures-zipkin-0.4.0
[INFO] finished frobbing futures-zipkin-0.4.0
[INFO] frobbed toml for futures-zipkin-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/futures-zipkin/0.4.0/Cargo.toml
[INFO] started frobbing futures-zipkin-0.4.0
[INFO] finished frobbing futures-zipkin-0.4.0
[INFO] frobbed toml for futures-zipkin-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/futures-zipkin/0.4.0/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 futures-zipkin-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-zipkin/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 240f8f5cf80d9f081c8755d319553855a9d947ef6fb42d1aa1f5d31b77ab2965
[INFO] running `"docker" "start" "-a" "240f8f5cf80d9f081c8755d319553855a9d947ef6fb42d1aa1f5d31b77ab2965"`
[INFO] [stderr]    Compiling futures-zipkin v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "240f8f5cf80d9f081c8755d319553855a9d947ef6fb42d1aa1f5d31b77ab2965"`
[INFO] running `"docker" "rm" "-f" "240f8f5cf80d9f081c8755d319553855a9d947ef6fb42d1aa1f5d31b77ab2965"`
[INFO] [stdout] 240f8f5cf80d9f081c8755d319553855a9d947ef6fb42d1aa1f5d31b77ab2965
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-zipkin/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d60e2fbc4162672bfc9cbfd01bda0f8d8f839e7baac248729119471f49d90ccb
[INFO] running `"docker" "start" "-a" "d60e2fbc4162672bfc9cbfd01bda0f8d8f839e7baac248729119471f49d90ccb"`
[INFO] [stderr]    Compiling futures-zipkin v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "d60e2fbc4162672bfc9cbfd01bda0f8d8f839e7baac248729119471f49d90ccb"`
[INFO] running `"docker" "rm" "-f" "d60e2fbc4162672bfc9cbfd01bda0f8d8f839e7baac248729119471f49d90ccb"`
[INFO] [stdout] d60e2fbc4162672bfc9cbfd01bda0f8d8f839e7baac248729119471f49d90ccb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/futures-zipkin/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9a13c0436988a771f9b0cdedee7a47f39578affdecd961855b9b42018f59ffe7
[INFO] running `"docker" "start" "-a" "9a13c0436988a771f9b0cdedee7a47f39578affdecd961855b9b42018f59ffe7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_zipkin-85ee7e1f43a9862e
[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 futures-zipkin
[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" "9a13c0436988a771f9b0cdedee7a47f39578affdecd961855b9b42018f59ffe7"`
[INFO] running `"docker" "rm" "-f" "9a13c0436988a771f9b0cdedee7a47f39578affdecd961855b9b42018f59ffe7"`
[INFO] [stdout] 9a13c0436988a771f9b0cdedee7a47f39578affdecd961855b9b42018f59ffe7