[INFO] cloning repository m-decoster/iron-example
[INFO] running `"git" "clone" "--bare" "git://github.com/m-decoster/iron-example.git" "work/cache/sources/gh/m-decoster/iron-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/m-decoster/iron-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/m-decoster/iron-example" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/m-decoster/iron-example" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/m-decoster/iron-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/m-decoster/iron-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6eac6369bcfadaf05abe6780a46271cd462a992b
[INFO] sha for GitHub repo m-decoster/iron-example: 6eac6369bcfadaf05abe6780a46271cd462a992b
[INFO] validating manifest of m-decoster/iron-example 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 m-decoster/iron-example 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 m-decoster/iron-example
[INFO] finished frobbing m-decoster/iron-example
[INFO] frobbed toml for m-decoster/iron-example written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example/Cargo.toml
[INFO] started frobbing m-decoster/iron-example
[INFO] finished frobbing m-decoster/iron-example
[INFO] frobbed toml for m-decoster/iron-example written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/m-decoster/iron-example/Cargo.toml
[INFO] crate m-decoster/iron-example 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing m-decoster/iron-example against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] a494cd9e5e52c8ac27e9d6096700fcd29d32e3d9f48ceaeb9b9045b26d3eaba7
[INFO] running `"docker" "start" "-a" "a494cd9e5e52c8ac27e9d6096700fcd29d32e3d9f48ceaeb9b9045b26d3eaba7"`
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling url v1.2.3
[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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling hyper v0.9.12
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling logger v0.2.0
[INFO] [stderr]    Compiling router v0.4.0
[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 56.58s
[INFO] running `"docker" "inspect" "a494cd9e5e52c8ac27e9d6096700fcd29d32e3d9f48ceaeb9b9045b26d3eaba7"`
[INFO] running `"docker" "rm" "-f" "a494cd9e5e52c8ac27e9d6096700fcd29d32e3d9f48ceaeb9b9045b26d3eaba7"`
[INFO] [stdout] a494cd9e5e52c8ac27e9d6096700fcd29d32e3d9f48ceaeb9b9045b26d3eaba7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b70a0fb60d73f267e8b3fc256a6cdce204c8aa8060c2c420f6555417d34b9d35
[INFO] running `"docker" "start" "-a" "b70a0fb60d73f267e8b3fc256a6cdce204c8aa8060c2c420f6555417d34b9d35"`
[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 1.74s
[INFO] running `"docker" "inspect" "b70a0fb60d73f267e8b3fc256a6cdce204c8aa8060c2c420f6555417d34b9d35"`
[INFO] running `"docker" "rm" "-f" "b70a0fb60d73f267e8b3fc256a6cdce204c8aa8060c2c420f6555417d34b9d35"`
[INFO] [stdout] b70a0fb60d73f267e8b3fc256a6cdce204c8aa8060c2c420f6555417d34b9d35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/m-decoster/iron-example:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 8145c84cd43de9447488bee39427d36a5af9d7ebaa9c50ee1e9fc681eb5b19f1
[INFO] running `"docker" "start" "-a" "8145c84cd43de9447488bee39427d36a5af9d7ebaa9c50ee1e9fc681eb5b19f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_example-4d6be4561691c579
[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" "8145c84cd43de9447488bee39427d36a5af9d7ebaa9c50ee1e9fc681eb5b19f1"`
[INFO] running `"docker" "rm" "-f" "8145c84cd43de9447488bee39427d36a5af9d7ebaa9c50ee1e9fc681eb5b19f1"`
[INFO] [stdout] 8145c84cd43de9447488bee39427d36a5af9d7ebaa9c50ee1e9fc681eb5b19f1