Dec 18 06:48:19.779 INFO checking LarryLo/spark_submit_helper against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:48:19.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:48:20.275 INFO [stdout] 57e6135a3356c8a249fc7dd3972b91e7388bacd27eeea9ade36ac62b1465cbf6
Dec 18 06:48:20.277 INFO running `"docker" "start" "-a" "57e6135a3356c8a249fc7dd3972b91e7388bacd27eeea9ade36ac62b1465cbf6"`
Dec 18 06:48:22.655 INFO [stderr]     Checking hyper v0.10.12
Dec 18 06:48:26.083 INFO [stderr]     Checking iron v0.5.1
Dec 18 06:48:26.826 INFO [stderr]     Checking router v0.5.1
Dec 18 06:48:27.544 INFO [stderr]     Checking spark_submit_helper v1.0.0 (/opt/crater/workdir)
Dec 18 06:48:28.334 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:48:28.334 INFO [stderr]  --> src/lang_test/lang.rs:6:5
Dec 18 06:48:28.334 INFO [stderr]   |
Dec 18 06:48:28.334 INFO [stderr] 6 | use std::env;
Dec 18 06:48:28.334 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:48:28.334 INFO [stderr]   |
Dec 18 06:48:28.334 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:48:28.334 INFO [stderr] 
Dec 18 06:48:28.421 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:48:28.421 INFO [stderr]  --> src/lang_test/lang.rs:6:5
Dec 18 06:48:28.421 INFO [stderr]   |
Dec 18 06:48:28.422 INFO [stderr] 6 | use std::env;
Dec 18 06:48:28.422 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:48:28.422 INFO [stderr]   |
Dec 18 06:48:28.423 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:48:28.423 INFO [stderr] 
Dec 18 06:48:28.523 INFO [stderr] warning: unused variable: `mkdir`
Dec 18 06:48:28.523 INFO [stderr]  --> src/user/mod.rs:8:9
Dec 18 06:48:28.523 INFO [stderr]   |
Dec 18 06:48:28.523 INFO [stderr] 8 |     let mkdir = 
Dec 18 06:48:28.523 INFO [stderr]   |         ^^^^^ help: consider using `_mkdir` instead
Dec 18 06:48:28.523 INFO [stderr]   |
Dec 18 06:48:28.523 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:48:28.523 INFO [stderr] 
Dec 18 06:48:28.524 INFO [stderr] warning: unused variable: `version`
Dec 18 06:48:28.524 INFO [stderr]   --> src/lang_test/lang.rs:64:40
Dec 18 06:48:28.525 INFO [stderr]    |
Dec 18 06:48:28.525 INFO [stderr] 64 |     fn run_test(&self, solution: &str, version: i8) -> String {
Dec 18 06:48:28.525 INFO [stderr]    |                                        ^^^^^^^ help: consider using `_version` instead
Dec 18 06:48:28.526 INFO [stderr] 
Dec 18 06:48:28.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:48:28.592 INFO [stderr]   --> src/lang_test/lang.rs:39:9
Dec 18 06:48:28.592 INFO [stderr]    |
Dec 18 06:48:28.592 INFO [stderr] 39 |         echo(solution, &Path::new(&format!("{}/solution.py", &to)));
Dec 18 06:48:28.592 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:48:28.592 INFO [stderr]    |
Dec 18 06:48:28.592 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:48:28.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:48:28.592 INFO [stderr] 
Dec 18 06:48:28.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:48:28.592 INFO [stderr]   --> src/lang_test/lang.rs:69:9
Dec 18 06:48:28.592 INFO [stderr]    |
Dec 18 06:48:28.592 INFO [stderr] 69 |         echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to)));
Dec 18 06:48:28.592 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:48:28.592 INFO [stderr]    |
Dec 18 06:48:28.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:48:28.592 INFO [stderr] 
Dec 18 06:48:28.599 INFO [stderr] warning: unused variable: `mkdir`
Dec 18 06:48:28.599 INFO [stderr]  --> src/user/mod.rs:8:9
Dec 18 06:48:28.599 INFO [stderr]   |
Dec 18 06:48:28.599 INFO [stderr] 8 |     let mkdir = 
Dec 18 06:48:28.599 INFO [stderr]   |         ^^^^^ help: consider using `_mkdir` instead
Dec 18 06:48:28.599 INFO [stderr]   |
Dec 18 06:48:28.599 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:48:28.599 INFO [stderr] 
Dec 18 06:48:28.600 INFO [stderr] warning: unused variable: `version`
Dec 18 06:48:28.600 INFO [stderr]   --> src/lang_test/lang.rs:64:40
Dec 18 06:48:28.600 INFO [stderr]    |
Dec 18 06:48:28.600 INFO [stderr] 64 |     fn run_test(&self, solution: &str, version: i8) -> String {
Dec 18 06:48:28.600 INFO [stderr]    |                                        ^^^^^^^ help: consider using `_version` instead
Dec 18 06:48:28.600 INFO [stderr] 
Dec 18 06:48:28.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:48:28.664 INFO [stderr]   --> src/lang_test/lang.rs:39:9
Dec 18 06:48:28.664 INFO [stderr]    |
Dec 18 06:48:28.664 INFO [stderr] 39 |         echo(solution, &Path::new(&format!("{}/solution.py", &to)));
Dec 18 06:48:28.664 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:48:28.664 INFO [stderr]    |
Dec 18 06:48:28.664 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:48:28.664 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:48:28.664 INFO [stderr] 
Dec 18 06:48:28.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:48:28.664 INFO [stderr]   --> src/lang_test/lang.rs:69:9
Dec 18 06:48:28.664 INFO [stderr]    |
Dec 18 06:48:28.664 INFO [stderr] 69 |         echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to)));
Dec 18 06:48:28.664 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:48:28.664 INFO [stderr]    |
Dec 18 06:48:28.664 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:48:28.664 INFO [stderr] 
Dec 18 06:48:28.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.32s
Dec 18 06:48:28.991 INFO running `"docker" "inspect" "57e6135a3356c8a249fc7dd3972b91e7388bacd27eeea9ade36ac62b1465cbf6"`
Dec 18 06:48:29.096 INFO running `"docker" "rm" "-f" "57e6135a3356c8a249fc7dd3972b91e7388bacd27eeea9ade36ac62b1465cbf6"`
Dec 18 06:48:29.214 INFO [stdout] 57e6135a3356c8a249fc7dd3972b91e7388bacd27eeea9ade36ac62b1465cbf6