[INFO] updating cached repository ryanpbrewster/task-queue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryanpbrewster/task-queue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanpbrewster/task-queue" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryanpbrewster/task-queue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryanpbrewster/task-queue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanpbrewster/task-queue" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanpbrewster/task-queue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanpbrewster/task-queue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca4b09dd97f1fabaeb4a2c8730961faa283f551a
[INFO] sha for GitHub repo ryanpbrewster/task-queue: ca4b09dd97f1fabaeb4a2c8730961faa283f551a
[INFO] validating manifest of ryanpbrewster/task-queue 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 ryanpbrewster/task-queue 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 ryanpbrewster/task-queue
[INFO] finished frobbing ryanpbrewster/task-queue
[INFO] frobbed toml for ryanpbrewster/task-queue written to work/ex/beta-1.38-1/sources/1.37.0/gh/ryanpbrewster/task-queue/Cargo.toml
[INFO] started frobbing ryanpbrewster/task-queue
[INFO] finished frobbing ryanpbrewster/task-queue
[INFO] frobbed toml for ryanpbrewster/task-queue written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanpbrewster/task-queue/Cargo.toml
[INFO] crate ryanpbrewster/task-queue already has a lockfile, it will not be regenerated
[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 ryanpbrewster/task-queue against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanpbrewster/task-queue:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6cf236c35802a7af6c313f2a85aa53d539bf74f01516f81f8aff493015b258ce
[INFO] running `"docker" "start" "-a" "6cf236c35802a7af6c313f2a85aa53d539bf74f01516f81f8aff493015b258ce"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling rayon v1.0.1
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6cf236c35802a7af6c313f2a85aa53d539bf74f01516f81f8aff493015b258ce"`
[INFO] running `"docker" "rm" "-f" "6cf236c35802a7af6c313f2a85aa53d539bf74f01516f81f8aff493015b258ce"`
[INFO] [stdout] 6cf236c35802a7af6c313f2a85aa53d539bf74f01516f81f8aff493015b258ce