[INFO] updating cached repository camphor-/sculd [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/camphor-/sculd [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/camphor-/sculd" "work/ex/beta-1.37-6/sources/1.36.0/gh/camphor-/sculd"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/camphor-/sculd'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/camphor-/sculd" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 69c059e5524e793aee88044ed670d9b87025f9ca [INFO] sha for GitHub repo camphor-/sculd: 69c059e5524e793aee88044ed670d9b87025f9ca [INFO] validating manifest of camphor-/sculd on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of camphor-/sculd on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing camphor-/sculd [INFO] finished frobbing camphor-/sculd [INFO] frobbed toml for camphor-/sculd written to work/ex/beta-1.37-6/sources/1.36.0/gh/camphor-/sculd/Cargo.toml [INFO] started frobbing camphor-/sculd [INFO] finished frobbing camphor-/sculd [INFO] frobbed toml for camphor-/sculd written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd/Cargo.toml [INFO] crate camphor-/sculd already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing camphor-/sculd against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] a3681dc574f5dd3601b083fddc6944f8b190db0156dd670af759bc9f13c20d75 [INFO] running `"docker" "start" "-a" "a3681dc574f5dd3601b083fddc6944f8b190db0156dd670af759bc9f13c20d75"` [INFO] [stderr] Compiling unicase v2.3.0 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling openssl-sys v0.9.42 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling url v1.4.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.12 [INFO] [stderr] Compiling h2 v0.1.17 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf v0.7.24 [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-1.4.1/src/form_urlencoded.rs:248:40 [INFO] [stderr] | [INFO] [stderr] 246 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 247 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 248 | 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 phf_codegen v0.7.24 [INFO] [stderr] Compiling chrono v0.3.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling serde_urlencoded v0.5.4 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling tokio v0.1.17 [INFO] [stderr] Compiling hyper v0.12.25 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling reqwest v0.9.11 [INFO] [stderr] Compiling sculd v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `"docker" "inspect" "a3681dc574f5dd3601b083fddc6944f8b190db0156dd670af759bc9f13c20d75"` [INFO] running `"docker" "rm" "-f" "a3681dc574f5dd3601b083fddc6944f8b190db0156dd670af759bc9f13c20d75"` [INFO] [stdout] a3681dc574f5dd3601b083fddc6944f8b190db0156dd670af759bc9f13c20d75 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] d7190e8cc5cca38d37166cfbd5f1e03d08fa20ce3ca9e362d2d531b14e752fb8 [INFO] running `"docker" "start" "-a" "d7190e8cc5cca38d37166cfbd5f1e03d08fa20ce3ca9e362d2d531b14e752fb8"` [INFO] [stderr] Compiling sculd v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s [INFO] running `"docker" "inspect" "d7190e8cc5cca38d37166cfbd5f1e03d08fa20ce3ca9e362d2d531b14e752fb8"` [INFO] running `"docker" "rm" "-f" "d7190e8cc5cca38d37166cfbd5f1e03d08fa20ce3ca9e362d2d531b14e752fb8"` [INFO] [stdout] d7190e8cc5cca38d37166cfbd5f1e03d08fa20ce3ca9e362d2d531b14e752fb8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camphor-/sculd:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 25c8a542977bdf2f7add8dc21e3effe5887cf58c9d3a7fa590874a05df9d8c1f [INFO] running `"docker" "start" "-a" "25c8a542977bdf2f7add8dc21e3effe5887cf58c9d3a7fa590874a05df9d8c1f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running /opt/crater/target/debug/deps/sculd-8640e2e0979aaf77 [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" "25c8a542977bdf2f7add8dc21e3effe5887cf58c9d3a7fa590874a05df9d8c1f"` [INFO] running `"docker" "rm" "-f" "25c8a542977bdf2f7add8dc21e3effe5887cf58c9d3a7fa590874a05df9d8c1f"` [INFO] [stdout] 25c8a542977bdf2f7add8dc21e3effe5887cf58c9d3a7fa590874a05df9d8c1f