[INFO] updating cached repository wellbehavedsoftware/wbs-monitoring [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wellbehavedsoftware/wbs-monitoring [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wellbehavedsoftware/wbs-monitoring" "work/ex/beta-1.38-1/sources/1.37.0/gh/wellbehavedsoftware/wbs-monitoring"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wellbehavedsoftware/wbs-monitoring'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wellbehavedsoftware/wbs-monitoring" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wellbehavedsoftware/wbs-monitoring"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wellbehavedsoftware/wbs-monitoring'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0f6e6b6f21a0898fa26acd615a3046cfe9f00887 [INFO] sha for GitHub repo wellbehavedsoftware/wbs-monitoring: 0f6e6b6f21a0898fa26acd615a3046cfe9f00887 [INFO] validating manifest of wellbehavedsoftware/wbs-monitoring 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 wellbehavedsoftware/wbs-monitoring 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 wellbehavedsoftware/wbs-monitoring [INFO] finished frobbing wellbehavedsoftware/wbs-monitoring [INFO] frobbed toml for wellbehavedsoftware/wbs-monitoring written to work/ex/beta-1.38-1/sources/1.37.0/gh/wellbehavedsoftware/wbs-monitoring/Cargo.toml [INFO] started frobbing wellbehavedsoftware/wbs-monitoring [INFO] finished frobbing wellbehavedsoftware/wbs-monitoring [INFO] frobbed toml for wellbehavedsoftware/wbs-monitoring written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wellbehavedsoftware/wbs-monitoring/Cargo.toml [INFO] crate wellbehavedsoftware/wbs-monitoring 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 wellbehavedsoftware/wbs-monitoring 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wellbehavedsoftware/wbs-monitoring:/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] bf9d5a18f7bebae323baddf408defa6a23c25f531e2e222b4a6696a3ee81d5a2 [INFO] running `"docker" "start" "-a" "bf9d5a18f7bebae323baddf408defa6a23c25f531e2e222b4a6696a3ee81d5a2"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling futures v0.1.14 [INFO] [stderr] Compiling openssl v0.9.14 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling num-traits v0.1.39 [INFO] [stderr] Compiling libresolv-sys v0.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.0 [INFO] [stderr] Compiling openssl-probe v0.1.1 [INFO] [stderr] Compiling wbs-monitoring v1.8.0-beta4 (/opt/crater/workdir) [INFO] [stderr] Compiling serde v1.0.9 [INFO] [stderr] Compiling RustyXML v0.1.1 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling minilzo-sys v0.1.0 [INFO] [stderr] Compiling crc v1.4.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling openssl-sys v0.9.14 [INFO] [stderr] Compiling libz-sys v1.0.16 [INFO] [stderr] Compiling curl-sys v0.3.14 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Compiling socket2 v0.2.1 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling itertools v0.6.0 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling num-integer v0.1.34 [INFO] [stderr] Compiling bytes v0.4.4 [INFO] [stderr] Compiling minilzo v0.2.0 [INFO] [stderr] Compiling nom v3.1.0 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.12 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Compiling mio v0.6.9 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling dbus v0.5.3 [INFO] [stderr] Compiling tokio-io v0.1.2 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling resolv v0.1.3 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling num v0.1.39 [INFO] [stderr] Compiling rusticata-macros v0.3.3 [INFO] [stderr] Compiling flate2 v0.2.19 [INFO] [stderr] Compiling rayon v0.7.1 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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 tokio-core v0.1.8 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling mime v0.3.2 [INFO] [stderr] Compiling der-parser v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling btrfs v1.2.2 [INFO] [stderr] Compiling serde_derive v1.0.9 [INFO] [stderr] Compiling ring v0.11.0 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling native-tls v0.1.4 [INFO] [stderr] Compiling tokio-tls v0.1.3 [INFO] [stderr] Compiling hyper v0.11.1 [INFO] [stderr] Compiling systemd-jp v0.1.1 [INFO] [stderr] Compiling webpki v0.14.0 [INFO] [stderr] Compiling rustls v0.9.0 [INFO] [stderr] Compiling webpki-roots v0.11.0 [INFO] [stderr] Compiling hyper-tls v0.1.2 [INFO] [stderr] Compiling tokio-rustls v0.2.3 [INFO] [stderr] Compiling hyper-rustls v0.8.0 [INFO] [stderr] Compiling curl v0.4.7 [INFO] [stderr] Compiling git2 v0.6.6 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/logic/arg_helper.rs:14:25 [INFO] [stderr] | [INFO] [stderr] 14 | ) -> Result > { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/logic/arg_helper.rs:30:36 [INFO] [stderr] | [INFO] [stderr] 30 | ) -> Result