[INFO] updating cached repository LarryLo/spark_submit_helper [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/LarryLo/spark_submit_helper [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/LarryLo/spark_submit_helper" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/LarryLo/spark_submit_helper"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/LarryLo/spark_submit_helper'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/LarryLo/spark_submit_helper" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/LarryLo/spark_submit_helper"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/LarryLo/spark_submit_helper'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c26d51ba4bd01bfe393c3c222309c69d26a11bb9 [INFO] sha for GitHub repo LarryLo/spark_submit_helper: c26d51ba4bd01bfe393c3c222309c69d26a11bb9 [INFO] validating manifest of LarryLo/spark_submit_helper on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of LarryLo/spark_submit_helper on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing LarryLo/spark_submit_helper [INFO] finished frobbing LarryLo/spark_submit_helper [INFO] frobbed toml for LarryLo/spark_submit_helper written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/LarryLo/spark_submit_helper/Cargo.toml [INFO] started frobbing LarryLo/spark_submit_helper [INFO] finished frobbing LarryLo/spark_submit_helper [INFO] frobbed toml for LarryLo/spark_submit_helper written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/LarryLo/spark_submit_helper/Cargo.toml [INFO] crate LarryLo/spark_submit_helper already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking LarryLo/spark_submit_helper against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/LarryLo/spark_submit_helper:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 19adc71239005ac92ee2980c173b86af98018bf1fb43c8c8681b36150212c9a2 [INFO] running `"docker" "start" "-a" "19adc71239005ac92ee2980c173b86af98018bf1fb43c8c8681b36150212c9a2"` [INFO] [stderr] Checking libc v0.2.26 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking aho-corasick v0.6.3 [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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] Checking hyper v0.10.12 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking iron v0.5.1 [INFO] [stderr] Checking router v0.5.1 [INFO] [stderr] Checking spark_submit_helper v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lang_test/lang.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/lang_test/lang.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> src/lang_test/lang.rs:64:40 [INFO] [stderr] | [INFO] [stderr] 64 | fn run_test(&self, solution: &str, version: i8) -> String { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_version` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mkdir` [INFO] [stderr] --> src/user/mod.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mkdir = [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_mkdir` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> src/lang_test/lang.rs:64:40 [INFO] [stderr] | [INFO] [stderr] 64 | fn run_test(&self, solution: &str, version: i8) -> String { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_version` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mkdir` [INFO] [stderr] --> src/user/mod.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mkdir = [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_mkdir` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lang_test/lang.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | echo(solution, &Path::new(&format!("{}/solution.py", &to))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lang_test/lang.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lang_test/lang.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | echo(solution, &Path::new(&format!("{}/solution.py", &to))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lang_test/lang.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.63s [INFO] running `"docker" "inspect" "19adc71239005ac92ee2980c173b86af98018bf1fb43c8c8681b36150212c9a2"` [INFO] running `"docker" "rm" "-f" "19adc71239005ac92ee2980c173b86af98018bf1fb43c8c8681b36150212c9a2"` [INFO] [stdout] 19adc71239005ac92ee2980c173b86af98018bf1fb43c8c8681b36150212c9a2