[INFO] updating cached repository lima9/RustTest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lima9/RustTest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lima9/RustTest" "work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lima9/RustTest" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lima9/RustTest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lima9/RustTest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17e1b4d5786b52c1cfa810b1dbd183f7109aa8b6
[INFO] sha for GitHub repo lima9/RustTest: 17e1b4d5786b52c1cfa810b1dbd183f7109aa8b6
[INFO] validating manifest of lima9/RustTest 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 lima9/RustTest 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 lima9/RustTest
[INFO] finished frobbing lima9/RustTest
[INFO] frobbed toml for lima9/RustTest written to work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest/Cargo.toml
[INFO] started frobbing lima9/RustTest
[INFO] finished frobbing lima9/RustTest
[INFO] frobbed toml for lima9/RustTest written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lima9/RustTest/Cargo.toml
[INFO] crate lima9/RustTest 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing lima9/RustTest against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b25e828cb2d23b716c6f95ee476f72a869a55f275e1bade5f726d8c43592d7be
[INFO] running `"docker" "start" "-a" "b25e828cb2d23b716c6f95ee476f72a869a55f275e1bade5f726d8c43592d7be"`
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling url v1.2.3
[INFO] [stderr]    Compiling chrono v0.2.25
[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-1.2.3/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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] 
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling hyper v0.9.12
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling router v0.4.0
[INFO] [stderr]    Compiling logger v0.2.0
[INFO] [stderr]    Compiling iron-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/handlers.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Ok(Response::with((status::NotFound)))
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `"docker" "inspect" "b25e828cb2d23b716c6f95ee476f72a869a55f275e1bade5f726d8c43592d7be"`
[INFO] running `"docker" "rm" "-f" "b25e828cb2d23b716c6f95ee476f72a869a55f275e1bade5f726d8c43592d7be"`
[INFO] [stdout] b25e828cb2d23b716c6f95ee476f72a869a55f275e1bade5f726d8c43592d7be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 31b863ef8efb03e8ce6e64ae78839457da92acc38fab5dcc5139421d90df9bc2
[INFO] running `"docker" "start" "-a" "31b863ef8efb03e8ce6e64ae78839457da92acc38fab5dcc5139421d90df9bc2"`
[INFO] [stderr]    Compiling iron-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/handlers.rs:138:31
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Ok(Response::with((status::NotFound)))
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "31b863ef8efb03e8ce6e64ae78839457da92acc38fab5dcc5139421d90df9bc2"`
[INFO] running `"docker" "rm" "-f" "31b863ef8efb03e8ce6e64ae78839457da92acc38fab5dcc5139421d90df9bc2"`
[INFO] [stdout] 31b863ef8efb03e8ce6e64ae78839457da92acc38fab5dcc5139421d90df9bc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lima9/RustTest:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 50792536759ea353b9dd9625fadb7ea9948ee6b6a7958319b3477ed815bf4a3b
[INFO] running `"docker" "start" "-a" "50792536759ea353b9dd9625fadb7ea9948ee6b6a7958319b3477ed815bf4a3b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_example-533f89ffb9498475
[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" "50792536759ea353b9dd9625fadb7ea9948ee6b6a7958319b3477ed815bf4a3b"`
[INFO] running `"docker" "rm" "-f" "50792536759ea353b9dd9625fadb7ea9948ee6b6a7958319b3477ed815bf4a3b"`
[INFO] [stdout] 50792536759ea353b9dd9625fadb7ea9948ee6b6a7958319b3477ed815bf4a3b