[INFO] updating cached repository immanuelqrw/mechanic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/immanuelqrw/mechanic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/immanuelqrw/mechanic" "work/ex/beta-1.37-6/sources/1.36.0/gh/immanuelqrw/mechanic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/immanuelqrw/mechanic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/immanuelqrw/mechanic" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/immanuelqrw/mechanic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/immanuelqrw/mechanic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0309a31226fde7251a36e96c055e81fe0d38aca
[INFO] sha for GitHub repo immanuelqrw/mechanic: b0309a31226fde7251a36e96c055e81fe0d38aca
[INFO] validating manifest of immanuelqrw/mechanic 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 immanuelqrw/mechanic 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 immanuelqrw/mechanic
[INFO] finished frobbing immanuelqrw/mechanic
[INFO] frobbed toml for immanuelqrw/mechanic written to work/ex/beta-1.37-6/sources/1.36.0/gh/immanuelqrw/mechanic/Cargo.toml
[INFO] started frobbing immanuelqrw/mechanic
[INFO] finished frobbing immanuelqrw/mechanic
[INFO] frobbed toml for immanuelqrw/mechanic written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/immanuelqrw/mechanic/Cargo.toml
[INFO] crate immanuelqrw/mechanic already has a lockfile, it will not be regenerated
[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 immanuelqrw/mechanic against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/immanuelqrw/mechanic:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 328fd9119a61c64c941efa26de4716db3dce249f25b5c66dcf6a48630e3e3fe6
[INFO] running `"docker" "start" "-a" "328fd9119a61c64c941efa26de4716db3dce249f25b5c66dcf6a48630e3e3fe6"`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.22
[INFO] [stderr]    Compiling md5 v0.3.6
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling fs_extra v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling openssl-sys v0.9.22
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling regex v0.2.3
[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" "328fd9119a61c64c941efa26de4716db3dce249f25b5c66dcf6a48630e3e3fe6"`
[INFO] running `"docker" "rm" "-f" "328fd9119a61c64c941efa26de4716db3dce249f25b5c66dcf6a48630e3e3fe6"`
[INFO] [stdout] 328fd9119a61c64c941efa26de4716db3dce249f25b5c66dcf6a48630e3e3fe6