[INFO] crate tk-carbon 0.2.0 is already in cache
[INFO] extracting crate tk-carbon 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tk-carbon/0.2.0
[INFO] extracting crate tk-carbon 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tk-carbon/0.2.0
[INFO] validating manifest of tk-carbon-0.2.0 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 tk-carbon-0.2.0 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 tk-carbon-0.2.0
[INFO] finished frobbing tk-carbon-0.2.0
[INFO] frobbed toml for tk-carbon-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tk-carbon/0.2.0/Cargo.toml
[INFO] started frobbing tk-carbon-0.2.0
[INFO] finished frobbing tk-carbon-0.2.0
[INFO] frobbed toml for tk-carbon-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tk-carbon/0.2.0/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 tk-carbon-0.2.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tk-carbon/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] dd76b9e4356acdb317f0b44d77c51ce1293cc9c5acf4951a8cfcba5edabb9a2a
[INFO] running `"docker" "start" "-a" "dd76b9e4356acdb317f0b44d77c51ce1293cc9c5acf4951a8cfcba5edabb9a2a"`
[INFO] [stderr]    Compiling tk-carbon v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pool.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |                        Box<Future<Item=Conn<TcpStream>, Error=io::Error>>)>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Conn<TcpStream>, Error=io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "dd76b9e4356acdb317f0b44d77c51ce1293cc9c5acf4951a8cfcba5edabb9a2a"`
[INFO] running `"docker" "rm" "-f" "dd76b9e4356acdb317f0b44d77c51ce1293cc9c5acf4951a8cfcba5edabb9a2a"`
[INFO] [stdout] dd76b9e4356acdb317f0b44d77c51ce1293cc9c5acf4951a8cfcba5edabb9a2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tk-carbon/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d81bc36269095d5252f76e48ade3dff7c9d1388a9b539595e24596fb451061cf
[INFO] running `"docker" "start" "-a" "d81bc36269095d5252f76e48ade3dff7c9d1388a9b539595e24596fb451061cf"`
[INFO] [stderr]    Compiling tk-easyloop v0.1.1
[INFO] [stderr]    Compiling tk-carbon v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pool.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |                        Box<Future<Item=Conn<TcpStream>, Error=io::Error>>)>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Conn<TcpStream>, Error=io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `"docker" "inspect" "d81bc36269095d5252f76e48ade3dff7c9d1388a9b539595e24596fb451061cf"`
[INFO] running `"docker" "rm" "-f" "d81bc36269095d5252f76e48ade3dff7c9d1388a9b539595e24596fb451061cf"`
[INFO] [stdout] d81bc36269095d5252f76e48ade3dff7c9d1388a9b539595e24596fb451061cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tk-carbon/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 520c68a72ea0717475bd7d28861215c32eedec44fee5eca243d44d409a6c9db0
[INFO] running `"docker" "start" "-a" "520c68a72ea0717475bd7d28861215c32eedec44fee5eca243d44d409a6c9db0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tk_carbon-e59a3063e9d942c5
[INFO] [stderr]    Doc-tests tk-carbon
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 30) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 9) ... ignored
[INFO] [stdout] test src/public.rs - public::Carbon::add_value (line 40) ... ignored
[INFO] [stdout] test src/public.rs - public::Carbon::add_value_at (line 61) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "520c68a72ea0717475bd7d28861215c32eedec44fee5eca243d44d409a6c9db0"`
[INFO] running `"docker" "rm" "-f" "520c68a72ea0717475bd7d28861215c32eedec44fee5eca243d44d409a6c9db0"`
[INFO] [stdout] 520c68a72ea0717475bd7d28861215c32eedec44fee5eca243d44d409a6c9db0