[INFO] crate iot_center 0.0.1 is already in cache
[INFO] extracting crate iot_center 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/iot_center/0.0.1
[INFO] extracting crate iot_center 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iot_center/0.0.1
[INFO] validating manifest of iot_center-0.0.1 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 iot_center-0.0.1 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 iot_center-0.0.1
[INFO] finished frobbing iot_center-0.0.1
[INFO] frobbed toml for iot_center-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iot_center/0.0.1/Cargo.toml
[INFO] started frobbing iot_center-0.0.1
[INFO] finished frobbing iot_center-0.0.1
[INFO] frobbed toml for iot_center-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iot_center/0.0.1/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 iot_center-0.0.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iot_center/0.0.1:/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] 04e7f20503f59d3ca2db96d4206080c3917eda7e92ef06a1109028c875b53415
[INFO] running `"docker" "start" "-a" "04e7f20503f59d3ca2db96d4206080c3917eda7e92ef06a1109028c875b53415"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling mqtt-protocol v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling rusqlite v0.13.0
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::From<&_>` for type `types::to_sql::ToSqlOutput<'_>`:
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.13.0/src/types/to_sql.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / impl<'a, T: ?Sized> From<&'a T> for ToSqlOutput<'a>
[INFO] [stderr] 19 | |     where &'a T: Into<ValueRef<'a>>
[INFO] [stderr] 20 | | {
[INFO] [stderr] 21 | |     fn from(t: &'a T) -> Self {
[INFO] [stderr] 22 | |         ToSqlOutput::Borrowed(t.into())
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_- first implementation here
[INFO] [stderr] 25 | 
[INFO] [stderr] 26 |   impl<'a, T: Into<Value>> From<T> for ToSqlOutput<'a> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `types::to_sql::ToSqlOutput<'_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: downstream crates may implement trait `std::convert::From<&_>` for type `types::value::Value`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `rusqlite`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "04e7f20503f59d3ca2db96d4206080c3917eda7e92ef06a1109028c875b53415"`
[INFO] running `"docker" "rm" "-f" "04e7f20503f59d3ca2db96d4206080c3917eda7e92ef06a1109028c875b53415"`
[INFO] [stdout] 04e7f20503f59d3ca2db96d4206080c3917eda7e92ef06a1109028c875b53415