[INFO] crate dhb-heroku-postgres-client 0.1.0-alpha.0 is already in cache
[INFO] extracting crate dhb-heroku-postgres-client 0.1.0-alpha.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dhb-heroku-postgres-client/0.1.0-alpha.0
[INFO] extracting crate dhb-heroku-postgres-client 0.1.0-alpha.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dhb-heroku-postgres-client/0.1.0-alpha.0
[INFO] validating manifest of dhb-heroku-postgres-client-0.1.0-alpha.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 dhb-heroku-postgres-client-0.1.0-alpha.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 dhb-heroku-postgres-client-0.1.0-alpha.0
[INFO] finished frobbing dhb-heroku-postgres-client-0.1.0-alpha.0
[INFO] frobbed toml for dhb-heroku-postgres-client-0.1.0-alpha.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dhb-heroku-postgres-client/0.1.0-alpha.0/Cargo.toml
[INFO] started frobbing dhb-heroku-postgres-client-0.1.0-alpha.0
[INFO] finished frobbing dhb-heroku-postgres-client-0.1.0-alpha.0
[INFO] frobbed toml for dhb-heroku-postgres-client-0.1.0-alpha.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dhb-heroku-postgres-client/0.1.0-alpha.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 dhb-heroku-postgres-client-0.1.0-alpha.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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dhb-heroku-postgres-client/0.1.0-alpha.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] 479bcbe3f8039c2bf7f564eb52c9ccfe8c89d38a57e26afb4b500b849b960712
[INFO] running `"docker" "start" "-a" "479bcbe3f8039c2bf7f564eb52c9ccfe8c89d38a57e26afb4b500b849b960712"`
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rent_to_own v0.1.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling tokio-openssl v0.3.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling postgres-protocol v0.4.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_state_machine_future v0.2.0
[INFO] [stderr]    Compiling state_machine_future v0.2.0
[INFO] [stderr]    Compiling tokio-postgres v0.4.0-rc.3
[INFO] [stderr] warning[E0381]: use of possibly uninitialized variable: `_`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-postgres-0.4.0-rc.3/src/proto/copy_in.rs:171:44
[INFO] [stderr]     |
[INFO] [stderr] 171 |               let buf: Box<dyn Buf + Send> = loop {
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 172 | |                 match try_ready!(state.stream.poll().map_err(Error::copy_in_stream)) {
[INFO] [stderr] 173 | |                     Some(buf) => {
[INFO] [stderr] 174 | |                         let buf = buf.into_buf();
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |                 }
[INFO] [stderr] 192 | |             };
[INFO] [stderr]     | |_____________^ use of possibly uninitialized value
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling postgres-openssl v0.2.0-rc.1
[INFO] [stderr]    Compiling postgres v0.16.0-rc.2
[INFO] [stderr]    Compiling dhb-heroku-postgres-client v0.1.0-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.72s
[INFO] running `"docker" "inspect" "479bcbe3f8039c2bf7f564eb52c9ccfe8c89d38a57e26afb4b500b849b960712"`
[INFO] running `"docker" "rm" "-f" "479bcbe3f8039c2bf7f564eb52c9ccfe8c89d38a57e26afb4b500b849b960712"`
[INFO] [stdout] 479bcbe3f8039c2bf7f564eb52c9ccfe8c89d38a57e26afb4b500b849b960712
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dhb-heroku-postgres-client/0.1.0-alpha.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] 8aaa38d3d96c251c5647e0cd6f1223e27c0fe55c2eb735e40d90962c7a5cbf05
[INFO] running `"docker" "start" "-a" "8aaa38d3d96c251c5647e0cd6f1223e27c0fe55c2eb735e40d90962c7a5cbf05"`
[INFO] [stderr]    Compiling dhb-heroku-postgres-client v0.1.0-alpha.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "8aaa38d3d96c251c5647e0cd6f1223e27c0fe55c2eb735e40d90962c7a5cbf05"`
[INFO] running `"docker" "rm" "-f" "8aaa38d3d96c251c5647e0cd6f1223e27c0fe55c2eb735e40d90962c7a5cbf05"`
[INFO] [stdout] 8aaa38d3d96c251c5647e0cd6f1223e27c0fe55c2eb735e40d90962c7a5cbf05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dhb-heroku-postgres-client/0.1.0-alpha.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] 0602682ea265bba5f858ef12bffa88a1db7a7469124ee480447b1cb1db976428
[INFO] running `"docker" "start" "-a" "0602682ea265bba5f858ef12bffa88a1db7a7469124ee480447b1cb1db976428"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dhb_heroku_postgres_client-8f70af9026ab167f
[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 dhb-heroku-postgres-client
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - postgres_client (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - postgres_client (line 18) stdout ----
[INFO] [stdout] error: expected one of `::`, `;`, or `as`, found `:`
[INFO] [stdout]  --> src/lib.rs:19:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use dhb_heroku_postgres_client:postgres_client;
[INFO] [stdout]   |                               ^ expected one of `::`, `;`, or `as` here
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - postgres_client (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "0602682ea265bba5f858ef12bffa88a1db7a7469124ee480447b1cb1db976428"`
[INFO] running `"docker" "rm" "-f" "0602682ea265bba5f858ef12bffa88a1db7a7469124ee480447b1cb1db976428"`
[INFO] [stdout] 0602682ea265bba5f858ef12bffa88a1db7a7469124ee480447b1cb1db976428