[INFO] cloning repository boxofrox/sscce-future-is-buggy-01 [INFO] running `"git" "clone" "--bare" "git://github.com/boxofrox/sscce-future-is-buggy-01.git" "work/cache/sources/gh/boxofrox/sscce-future-is-buggy-01"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/boxofrox/sscce-future-is-buggy-01'... [INFO] running `"git" "clone" "work/cache/sources/gh/boxofrox/sscce-future-is-buggy-01" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/boxofrox/sscce-future-is-buggy-01"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/boxofrox/sscce-future-is-buggy-01'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/boxofrox/sscce-future-is-buggy-01" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c9405aec2a957a44e47ee2c5fcab32f46690ed53 [INFO] sha for GitHub repo boxofrox/sscce-future-is-buggy-01: c9405aec2a957a44e47ee2c5fcab32f46690ed53 [INFO] validating manifest of boxofrox/sscce-future-is-buggy-01 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of boxofrox/sscce-future-is-buggy-01 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing boxofrox/sscce-future-is-buggy-01 [INFO] finished frobbing boxofrox/sscce-future-is-buggy-01 [INFO] frobbed toml for boxofrox/sscce-future-is-buggy-01 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/boxofrox/sscce-future-is-buggy-01/Cargo.toml [INFO] started frobbing boxofrox/sscce-future-is-buggy-01 [INFO] finished frobbing boxofrox/sscce-future-is-buggy-01 [INFO] frobbed toml for boxofrox/sscce-future-is-buggy-01 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01/Cargo.toml [INFO] crate boxofrox/sscce-future-is-buggy-01 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mysql_async v0.9.3 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing boxofrox/sscce-future-is-buggy-01 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] f2bde290ea1c2d9ba19efe78d6acf3d5a7b8b6cc7f422edb165155f32780ec4d [INFO] running `"docker" "start" "-a" "f2bde290ea1c2d9ba19efe78d6acf3d5a7b8b6cc7f422edb165155f32780ec4d"` [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling unicode-bidi v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling twox-hash v1.1.0 [INFO] [stderr] Compiling backtrace v0.3.2 [INFO] [stderr] Compiling bytes v0.4.4 [INFO] [stderr] Compiling mio v0.6.8 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling chrono v0.3.1 [INFO] [stderr] Compiling tokio-io v0.1.2 [INFO] [stderr] Compiling tokio-core v0.1.7 [INFO] [stderr] Compiling url v1.4.1 [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-1.4.1/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 mysql_async v0.9.3 [INFO] [stderr] Compiling bug-test-01 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.80s [INFO] running `"docker" "inspect" "f2bde290ea1c2d9ba19efe78d6acf3d5a7b8b6cc7f422edb165155f32780ec4d"` [INFO] running `"docker" "rm" "-f" "f2bde290ea1c2d9ba19efe78d6acf3d5a7b8b6cc7f422edb165155f32780ec4d"` [INFO] [stdout] f2bde290ea1c2d9ba19efe78d6acf3d5a7b8b6cc7f422edb165155f32780ec4d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 5604ea923c869a94429bb48d8f0b741e5357ed8cf944e81bfddb67c4a2f026cf [INFO] running `"docker" "start" "-a" "5604ea923c869a94429bb48d8f0b741e5357ed8cf944e81bfddb67c4a2f026cf"` [INFO] [stderr] Compiling bug-test-01 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "5604ea923c869a94429bb48d8f0b741e5357ed8cf944e81bfddb67c4a2f026cf"` [INFO] running `"docker" "rm" "-f" "5604ea923c869a94429bb48d8f0b741e5357ed8cf944e81bfddb67c4a2f026cf"` [INFO] [stdout] 5604ea923c869a94429bb48d8f0b741e5357ed8cf944e81bfddb67c4a2f026cf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/boxofrox/sscce-future-is-buggy-01:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 1b07a0ae23e654bf546de23d92adb71ce2d5d56e060f6e8fe708ca8d1fb445d7 [INFO] running `"docker" "start" "-a" "1b07a0ae23e654bf546de23d92adb71ce2d5d56e060f6e8fe708ca8d1fb445d7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/bug_test_01-6a65ff148da28942 [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" "1b07a0ae23e654bf546de23d92adb71ce2d5d56e060f6e8fe708ca8d1fb445d7"` [INFO] running `"docker" "rm" "-f" "1b07a0ae23e654bf546de23d92adb71ce2d5d56e060f6e8fe708ca8d1fb445d7"` [INFO] [stdout] 1b07a0ae23e654bf546de23d92adb71ce2d5d56e060f6e8fe708ca8d1fb445d7