Dec 05 01:32:52.775 INFO checking LarryLo/spark_submit_helper against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:32:52.775 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 01:32:53.171 INFO [stdout] 8cedec2a259bcd717945a7c278f8b402add3ebc61785920ffa3fc562806c90ca
Dec 05 01:32:53.173 INFO running `"docker" "start" "-a" "8cedec2a259bcd717945a7c278f8b402add3ebc61785920ffa3fc562806c90ca"`
Dec 05 01:32:54.220 INFO [stderr] usermod: no changes
Dec 05 01:32:54.363 INFO [stderr]     Checking hyper v0.10.12
Dec 05 01:32:58.074 INFO [stderr]     Checking iron v0.5.1
Dec 05 01:32:59.473 INFO [stderr]     Checking router v0.5.1
Dec 05 01:33:01.170 INFO [stderr]     Checking spark_submit_helper v1.0.0 (/source)
Dec 05 01:33:03.433 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:33:03.433 INFO [stderr]  --> src/lang_test/lang.rs:6:5
Dec 05 01:33:03.433 INFO [stderr]   |
Dec 05 01:33:03.433 INFO [stderr] 6 | use std::env;
Dec 05 01:33:03.433 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:33:03.434 INFO [stderr]   |
Dec 05 01:33:03.434 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:33:03.434 INFO [stderr] 
Dec 05 01:33:03.571 INFO [stderr] warning: unused variable: `mkdir`
Dec 05 01:33:03.571 INFO [stderr]  --> src/user/mod.rs:8:9
Dec 05 01:33:03.571 INFO [stderr]   |
Dec 05 01:33:03.571 INFO [stderr] 8 |     let mkdir = 
Dec 05 01:33:03.571 INFO [stderr]   |         ^^^^^ help: consider using `_mkdir` instead
Dec 05 01:33:03.571 INFO [stderr]   |
Dec 05 01:33:03.571 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 01:33:03.571 INFO [stderr] 
Dec 05 01:33:03.571 INFO [stderr] warning: unused variable: `version`
Dec 05 01:33:03.571 INFO [stderr]   --> src/lang_test/lang.rs:64:40
Dec 05 01:33:03.571 INFO [stderr]    |
Dec 05 01:33:03.571 INFO [stderr] 64 |     fn run_test(&self, solution: &str, version: i8) -> String {
Dec 05 01:33:03.571 INFO [stderr]    |                                        ^^^^^^^ help: consider using `_version` instead
Dec 05 01:33:03.571 INFO [stderr] 
Dec 05 01:33:03.615 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:33:03.615 INFO [stderr]  --> src/lang_test/lang.rs:6:5
Dec 05 01:33:03.615 INFO [stderr]   |
Dec 05 01:33:03.615 INFO [stderr] 6 | use std::env;
Dec 05 01:33:03.615 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:33:03.615 INFO [stderr]   |
Dec 05 01:33:03.615 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:33:03.615 INFO [stderr] 
Dec 05 01:33:03.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:33:03.623 INFO [stderr]   --> src/lang_test/lang.rs:39:9
Dec 05 01:33:03.623 INFO [stderr]    |
Dec 05 01:33:03.623 INFO [stderr] 39 |         echo(solution, &Path::new(&format!("{}/solution.py", &to)));
Dec 05 01:33:03.623 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:33:03.623 INFO [stderr]    |
Dec 05 01:33:03.623 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:33:03.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:33:03.623 INFO [stderr] 
Dec 05 01:33:03.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:33:03.623 INFO [stderr]   --> src/lang_test/lang.rs:69:9
Dec 05 01:33:03.623 INFO [stderr]    |
Dec 05 01:33:03.623 INFO [stderr] 69 |         echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to)));
Dec 05 01:33:03.623 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:33:03.623 INFO [stderr]    |
Dec 05 01:33:03.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:33:03.623 INFO [stderr] 
Dec 05 01:33:03.751 INFO [stderr] warning: unused variable: `mkdir`
Dec 05 01:33:03.751 INFO [stderr]  --> src/user/mod.rs:8:9
Dec 05 01:33:03.751 INFO [stderr]   |
Dec 05 01:33:03.751 INFO [stderr] 8 |     let mkdir = 
Dec 05 01:33:03.751 INFO [stderr]   |         ^^^^^ help: consider using `_mkdir` instead
Dec 05 01:33:03.751 INFO [stderr]   |
Dec 05 01:33:03.751 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 01:33:03.751 INFO [stderr] 
Dec 05 01:33:03.751 INFO [stderr] warning: unused variable: `version`
Dec 05 01:33:03.751 INFO [stderr]   --> src/lang_test/lang.rs:64:40
Dec 05 01:33:03.751 INFO [stderr]    |
Dec 05 01:33:03.751 INFO [stderr] 64 |     fn run_test(&self, solution: &str, version: i8) -> String {
Dec 05 01:33:03.751 INFO [stderr]    |                                        ^^^^^^^ help: consider using `_version` instead
Dec 05 01:33:03.751 INFO [stderr] 
Dec 05 01:33:03.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:33:03.807 INFO [stderr]   --> src/lang_test/lang.rs:39:9
Dec 05 01:33:03.807 INFO [stderr]    |
Dec 05 01:33:03.807 INFO [stderr] 39 |         echo(solution, &Path::new(&format!("{}/solution.py", &to)));
Dec 05 01:33:03.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:33:03.807 INFO [stderr]    |
Dec 05 01:33:03.807 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:33:03.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:33:03.807 INFO [stderr] 
Dec 05 01:33:03.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:33:03.807 INFO [stderr]   --> src/lang_test/lang.rs:69:9
Dec 05 01:33:03.807 INFO [stderr]    |
Dec 05 01:33:03.807 INFO [stderr] 69 |         echo(solution, &Path::new(&format!("{}/src/main/scala/org/sparktw/codefight/Solution.scala", &to)));
Dec 05 01:33:03.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:33:03.807 INFO [stderr]    |
Dec 05 01:33:03.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:33:03.807 INFO [stderr] 
Dec 05 01:33:03.821 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.57s
Dec 05 01:33:03.827 INFO [stderr] su: No module specific data is present
Dec 05 01:33:04.251 INFO running `"docker" "inspect" "8cedec2a259bcd717945a7c278f8b402add3ebc61785920ffa3fc562806c90ca"`
Dec 05 01:33:04.380 INFO running `"docker" "rm" "-f" "8cedec2a259bcd717945a7c278f8b402add3ebc61785920ffa3fc562806c90ca"`
Dec 05 01:33:04.527 INFO [stdout] 8cedec2a259bcd717945a7c278f8b402add3ebc61785920ffa3fc562806c90ca