[INFO] updating cached repository tollyx/plankboat-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tollyx/plankboat-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tollyx/plankboat-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tollyx/plankboat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tollyx/plankboat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tollyx/plankboat-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tollyx/plankboat-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tollyx/plankboat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26fcc9a58ee7ff913842b6f5623e15df6a7aae54
[INFO] sha for GitHub repo tollyx/plankboat-rs: 26fcc9a58ee7ff913842b6f5623e15df6a7aae54
[INFO] validating manifest of tollyx/plankboat-rs 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 tollyx/plankboat-rs 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 tollyx/plankboat-rs
[INFO] finished frobbing tollyx/plankboat-rs
[INFO] frobbed toml for tollyx/plankboat-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tollyx/plankboat-rs/Cargo.toml
[INFO] started frobbing tollyx/plankboat-rs
[INFO] finished frobbing tollyx/plankboat-rs
[INFO] frobbed toml for tollyx/plankboat-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tollyx/plankboat-rs/Cargo.toml
[INFO] crate tollyx/plankboat-rs 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 tollyx/plankboat-rs 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tollyx/plankboat-rs:/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] 7d4e4f2959d21cc000bf9e3dca8e1651d225eccfb5246f5c9319e66bafac1f35
[INFO] running `"docker" "start" "-a" "7d4e4f2959d21cc000bf9e3dca8e1651d225eccfb5246f5c9319e66bafac1f35"`
[INFO] [stderr]    Compiling cc v1.0.5
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling fern v0.5.4
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.5.4
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling tokio v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling tokio-core v0.1.15
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling quick-xml v0.12.1
[INFO] [stderr]    Compiling hyper v0.11.22
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling serenity v0.5.1
[INFO] [stderr]    Compiling rusqlite v0.11.0
[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-0.11.0/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" "7d4e4f2959d21cc000bf9e3dca8e1651d225eccfb5246f5c9319e66bafac1f35"`
[INFO] running `"docker" "rm" "-f" "7d4e4f2959d21cc000bf9e3dca8e1651d225eccfb5246f5c9319e66bafac1f35"`
[INFO] [stdout] 7d4e4f2959d21cc000bf9e3dca8e1651d225eccfb5246f5c9319e66bafac1f35