[INFO] updating cached repository dzamlo/multitest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dzamlo/multitest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dzamlo/multitest" "work/ex/beta-1.38-1/sources/1.37.0/gh/dzamlo/multitest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dzamlo/multitest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dzamlo/multitest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dzamlo/multitest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dzamlo/multitest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1860c139192e948b9d52bf44d61f8ca43d53201f
[INFO] sha for GitHub repo dzamlo/multitest: 1860c139192e948b9d52bf44d61f8ca43d53201f
[INFO] validating manifest of dzamlo/multitest 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 dzamlo/multitest 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 dzamlo/multitest
[INFO] finished frobbing dzamlo/multitest
[INFO] frobbed toml for dzamlo/multitest written to work/ex/beta-1.38-1/sources/1.37.0/gh/dzamlo/multitest/Cargo.toml
[INFO] started frobbing dzamlo/multitest
[INFO] finished frobbing dzamlo/multitest
[INFO] frobbed toml for dzamlo/multitest written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dzamlo/multitest/Cargo.toml
[INFO] crate dzamlo/multitest 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dzamlo/multitest 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-5/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/dzamlo/multitest:/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] 5d734d789941e7b4cddc489df842d2266b8dbd45900de1cc87699ab6663100b1
[INFO] running `"docker" "start" "-a" "5d734d789941e7b4cddc489df842d2266b8dbd45900de1cc87699ab6663100b1"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling syn v0.13.1
[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 serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.41
[INFO] [stderr]    Compiling multitest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling serde v1.0.41
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling liquid v0.14.3
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liquid-0.14.3/src/compiler/parser.rs:88:80
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     Token::Identifier(ref x) => indexes.push(Index::with_key(x.as_ref())),
[INFO] [stderr]    |                                                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `liquid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5d734d789941e7b4cddc489df842d2266b8dbd45900de1cc87699ab6663100b1"`
[INFO] running `"docker" "rm" "-f" "5d734d789941e7b4cddc489df842d2266b8dbd45900de1cc87699ab6663100b1"`
[INFO] [stdout] 5d734d789941e7b4cddc489df842d2266b8dbd45900de1cc87699ab6663100b1