[INFO] updating cached repository ubnt-intrepid/finchers-todo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ubnt-intrepid/finchers-todo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ubnt-intrepid/finchers-todo" "work/ex/beta-1.38-1/sources/1.37.0/gh/ubnt-intrepid/finchers-todo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ubnt-intrepid/finchers-todo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ubnt-intrepid/finchers-todo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ubnt-intrepid/finchers-todo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ubnt-intrepid/finchers-todo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89779474364a77c2823354099f35020cdcabf141 [INFO] sha for GitHub repo ubnt-intrepid/finchers-todo: 89779474364a77c2823354099f35020cdcabf141 [INFO] validating manifest of ubnt-intrepid/finchers-todo 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 ubnt-intrepid/finchers-todo 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 ubnt-intrepid/finchers-todo [INFO] finished frobbing ubnt-intrepid/finchers-todo [INFO] frobbed toml for ubnt-intrepid/finchers-todo written to work/ex/beta-1.38-1/sources/1.37.0/gh/ubnt-intrepid/finchers-todo/Cargo.toml [INFO] started frobbing ubnt-intrepid/finchers-todo [INFO] finished frobbing ubnt-intrepid/finchers-todo [INFO] frobbed toml for ubnt-intrepid/finchers-todo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ubnt-intrepid/finchers-todo/Cargo.toml [INFO] crate ubnt-intrepid/finchers-todo 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ubnt-intrepid/finchers-todo 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/ubnt-intrepid/finchers-todo:/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] 01d64498df4a0f1c601038226bff2bac6f2fb92838fa0a65d6e916e6a2e001d6 [INFO] running `"docker" "start" "-a" "01d64498df4a0f1c601038226bff2bac6f2fb92838fa0a65d6e916e6a2e001d6"` [INFO] [stderr] Compiling serde v1.0.23 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling mio v0.6.11 [INFO] [stderr] Compiling tokio-io v0.1.4 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Compiling futures-cpupool v0.1.7 [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 v0.1.10 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling hyper v0.11.7 [INFO] [stderr] Compiling serde_json v1.0.7 [INFO] [stderr] Compiling finchers v0.5.0 (https://github.com/ubnt-intrepid/finchers.git?branch=fix/issue/20#6c13abb0) [INFO] [stderr] Compiling finchers-todo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.54s [INFO] running `"docker" "inspect" "01d64498df4a0f1c601038226bff2bac6f2fb92838fa0a65d6e916e6a2e001d6"` [INFO] running `"docker" "rm" "-f" "01d64498df4a0f1c601038226bff2bac6f2fb92838fa0a65d6e916e6a2e001d6"` [INFO] [stdout] 01d64498df4a0f1c601038226bff2bac6f2fb92838fa0a65d6e916e6a2e001d6 [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/ubnt-intrepid/finchers-todo:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] 7f97f7ac0f42cd596ce42b7f7ebb54534dad1c004d422158a78d937585f7c880 [INFO] running `"docker" "start" "-a" "7f97f7ac0f42cd596ce42b7f7ebb54534dad1c004d422158a78d937585f7c880"` [INFO] [stderr] Compiling finchers-todo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `"docker" "inspect" "7f97f7ac0f42cd596ce42b7f7ebb54534dad1c004d422158a78d937585f7c880"` [INFO] running `"docker" "rm" "-f" "7f97f7ac0f42cd596ce42b7f7ebb54534dad1c004d422158a78d937585f7c880"` [INFO] [stdout] 7f97f7ac0f42cd596ce42b7f7ebb54534dad1c004d422158a78d937585f7c880 [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/ubnt-intrepid/finchers-todo:/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" "test" "--frozen"` [INFO] [stdout] 842943c7e971661b3536bcfd47895a469c7f92fa3030f9221ca99bdf483ff1ba [INFO] running `"docker" "start" "-a" "842943c7e971661b3536bcfd47895a469c7f92fa3030f9221ca99bdf483ff1ba"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/finchers_todo-19b0dd4e650fee98 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "842943c7e971661b3536bcfd47895a469c7f92fa3030f9221ca99bdf483ff1ba"` [INFO] running `"docker" "rm" "-f" "842943c7e971661b3536bcfd47895a469c7f92fa3030f9221ca99bdf483ff1ba"` [INFO] [stdout] 842943c7e971661b3536bcfd47895a469c7f92fa3030f9221ca99bdf483ff1ba