[INFO] updating cached repository tossyyukky/rust_iron_sample [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tossyyukky/rust_iron_sample [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tossyyukky/rust_iron_sample" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tossyyukky/rust_iron_sample"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tossyyukky/rust_iron_sample'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tossyyukky/rust_iron_sample" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tossyyukky/rust_iron_sample"` [INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tossyyukky/rust_iron_sample'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 83f31310cb99eda1b3585d4508ad3625d2949e0b [INFO] sha for GitHub repo tossyyukky/rust_iron_sample: 83f31310cb99eda1b3585d4508ad3625d2949e0b [INFO] validating manifest of tossyyukky/rust_iron_sample on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tossyyukky/rust_iron_sample on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tossyyukky/rust_iron_sample [INFO] finished frobbing tossyyukky/rust_iron_sample [INFO] frobbed toml for tossyyukky/rust_iron_sample written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tossyyukky/rust_iron_sample/Cargo.toml [INFO] started frobbing tossyyukky/rust_iron_sample [INFO] finished frobbing tossyyukky/rust_iron_sample [INFO] frobbed toml for tossyyukky/rust_iron_sample written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/tossyyukky/rust_iron_sample/Cargo.toml [INFO] crate tossyyukky/rust_iron_sample already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tossyyukky/rust_iron_sample against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-2/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/tossyyukky/rust_iron_sample:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 97f2e3146dd4206fc3b212e1df015b5ccc3602a3cac81121b2ec28c37bfae7b0 [INFO] running `"docker" "start" "-a" "97f2e3146dd4206fc3b212e1df015b5ccc3602a3cac81121b2ec28c37bfae7b0"` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling rand v0.4.2 [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-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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] Checking hyper v0.10.13 [INFO] [stderr] Compiling phf_generator v0.7.22 [INFO] [stderr] Compiling phf_codegen v0.7.22 [INFO] [stderr] Compiling mime_guess v1.8.4 [INFO] [stderr] Checking iron v0.6.0 [INFO] [stderr] Checking rust_iron_sample v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.38s [INFO] running `"docker" "inspect" "97f2e3146dd4206fc3b212e1df015b5ccc3602a3cac81121b2ec28c37bfae7b0"` [INFO] running `"docker" "rm" "-f" "97f2e3146dd4206fc3b212e1df015b5ccc3602a3cac81121b2ec28c37bfae7b0"` [INFO] [stdout] 97f2e3146dd4206fc3b212e1df015b5ccc3602a3cac81121b2ec28c37bfae7b0