[INFO] updating cached repository https://github.com/greizgh/ejabberd_exporter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca923412e71aad465090e6af7cd4a394b310c102
[INFO] testing greizgh/ejabberd_exporter against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fejabberd_exporter" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greizgh/ejabberd_exporter on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/greizgh/ejabberd_exporter
[INFO] finished tweaking git repo https://github.com/greizgh/ejabberd_exporter
[INFO] tweaked toml for git repo https://github.com/greizgh/ejabberd_exporter written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/greizgh/ejabberd_exporter already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7766c5bab5efba2614e74aed36e85db8b52930a0664c847f5aac99f35ccd4f7e
[INFO] running `"docker" "start" "-a" "7766c5bab5efba2614e74aed36e85db8b52930a0664c847f5aac99f35ccd4f7e"`
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling socket2 v0.3.5
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling resolv-conf v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/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 parking_lot v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr] error: Could not compile `http`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=498062f93c03afe2 -C extra-filename=-498062f93c03afe2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b347dca9d7d35e5c.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-51dd7c2b44b560c1.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7766c5bab5efba2614e74aed36e85db8b52930a0664c847f5aac99f35ccd4f7e"`
[INFO] running `"docker" "rm" "-f" "7766c5bab5efba2614e74aed36e85db8b52930a0664c847f5aac99f35ccd4f7e"`
[INFO] [stdout] 7766c5bab5efba2614e74aed36e85db8b52930a0664c847f5aac99f35ccd4f7e