Dec 15 17:38:49.067 INFO testing csv_reader-0.1.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 17:38:49.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 15 17:38:49.590 INFO [stdout] 4b4ef1d22a93c61c0dbbb65e155c080ec10209c88abf608f901fd800658af03f
Dec 15 17:38:49.596 INFO running `"docker" "start" "-a" "4b4ef1d22a93c61c0dbbb65e155c080ec10209c88abf608f901fd800658af03f"`
Dec 15 17:38:50.815 INFO [stderr] usermod: no changes
Dec 15 17:38:50.871 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 15 17:38:51.479 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:38:51.479 INFO [stderr]   --> src/main.rs:26:13
Dec 15 17:38:51.479 INFO [stderr]    |
Dec 15 17:38:51.479 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 15 17:38:51.479 INFO [stderr]    |             ----^^^^^^^
Dec 15 17:38:51.479 INFO [stderr]    |             |
Dec 15 17:38:51.479 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:38:51.479 INFO [stderr]    |
Dec 15 17:38:51.479 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:38:51.479 INFO [stderr] 
Dec 15 17:38:51.491 INFO [stderr] warning: function is never used: `create`
Dec 15 17:38:51.491 INFO [stderr]   --> src/file_help.rs:16:1
Dec 15 17:38:51.491 INFO [stderr]    |
Dec 15 17:38:51.491 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 15 17:38:51.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:51.491 INFO [stderr]    |
Dec 15 17:38:51.491 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 17:38:51.491 INFO [stderr] 
Dec 15 17:38:51.491 INFO [stderr] warning: function is never used: `write`
Dec 15 17:38:51.491 INFO [stderr]   --> src/file_help.rs:30:1
Dec 15 17:38:51.491 INFO [stderr]    |
Dec 15 17:38:51.491 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 15 17:38:51.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:51.491 INFO [stderr] 
Dec 15 17:38:51.491 INFO [stderr] warning: function is never used: `delete`
Dec 15 17:38:51.491 INFO [stderr]   --> src/file_help.rs:43:1
Dec 15 17:38:51.491 INFO [stderr]    |
Dec 15 17:38:51.491 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 15 17:38:51.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:51.491 INFO [stderr] 
Dec 15 17:38:51.502 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:51.502 INFO [stderr]   --> src/file_help.rs:31:5
Dec 15 17:38:51.502 INFO [stderr]    |
Dec 15 17:38:51.502 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 15 17:38:51.502 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:51.502 INFO [stderr]    |
Dec 15 17:38:51.502 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 17:38:51.502 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:51.502 INFO [stderr] 
Dec 15 17:38:51.502 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:51.502 INFO [stderr]   --> src/file_help.rs:44:5
Dec 15 17:38:51.502 INFO [stderr]    |
Dec 15 17:38:51.502 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 15 17:38:51.502 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:51.502 INFO [stderr]    |
Dec 15 17:38:51.502 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:51.502 INFO [stderr] 
Dec 15 17:38:52.291 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 15 17:38:52.307 INFO [stderr] su: No module specific data is present
Dec 15 17:38:53.100 INFO running `"docker" "inspect" "4b4ef1d22a93c61c0dbbb65e155c080ec10209c88abf608f901fd800658af03f"`
Dec 15 17:38:53.373 INFO running `"docker" "rm" "-f" "4b4ef1d22a93c61c0dbbb65e155c080ec10209c88abf608f901fd800658af03f"`
Dec 15 17:38:53.595 INFO [stdout] 4b4ef1d22a93c61c0dbbb65e155c080ec10209c88abf608f901fd800658af03f
Dec 15 17:38:53.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 15 17:38:53.869 INFO [stdout] 9385ba30e98213a53a87d07e1e977364f1f09887d57eaabc4566c1fbaf9f7e27
Dec 15 17:38:53.871 INFO running `"docker" "start" "-a" "9385ba30e98213a53a87d07e1e977364f1f09887d57eaabc4566c1fbaf9f7e27"`
Dec 15 17:38:54.459 INFO [stderr] usermod: no changes
Dec 15 17:38:54.503 INFO [stderr]    Compiling csv_reader v0.1.1 (/source)
Dec 15 17:38:55.219 INFO [stderr] warning: variable does not need to be mutable
Dec 15 17:38:55.219 INFO [stderr]   --> src/main.rs:26:13
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr] 26 |         let mut content = file_help::read(&mut self.file);
Dec 15 17:38:55.219 INFO [stderr]    |             ----^^^^^^^
Dec 15 17:38:55.219 INFO [stderr]    |             |
Dec 15 17:38:55.219 INFO [stderr]    |             help: remove this `mut`
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 17:38:55.219 INFO [stderr] 
Dec 15 17:38:55.219 INFO [stderr] warning: function is never used: `create`
Dec 15 17:38:55.219 INFO [stderr]   --> src/file_help.rs:16:1
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr] 16 | pub fn create(direc: String, name: String, extension: String) -> File {
Dec 15 17:38:55.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 17:38:55.219 INFO [stderr] 
Dec 15 17:38:55.219 INFO [stderr] warning: function is never used: `write`
Dec 15 17:38:55.219 INFO [stderr]   --> src/file_help.rs:30:1
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr] 30 | pub fn write(file: &mut File, content: &String) {
Dec 15 17:38:55.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.219 INFO [stderr] 
Dec 15 17:38:55.219 INFO [stderr] warning: function is never used: `delete`
Dec 15 17:38:55.219 INFO [stderr]   --> src/file_help.rs:43:1
Dec 15 17:38:55.219 INFO [stderr]    |
Dec 15 17:38:55.219 INFO [stderr] 43 | pub fn delete(direc: String, name: String, extension: String) {
Dec 15 17:38:55.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.219 INFO [stderr] 
Dec 15 17:38:55.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:55.227 INFO [stderr]   --> src/file_help.rs:31:5
Dec 15 17:38:55.227 INFO [stderr]    |
Dec 15 17:38:55.227 INFO [stderr] 31 |     file.write_all(content.as_bytes());
Dec 15 17:38:55.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.227 INFO [stderr]    |
Dec 15 17:38:55.227 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 17:38:55.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:55.227 INFO [stderr] 
Dec 15 17:38:55.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 17:38:55.227 INFO [stderr]   --> src/file_help.rs:44:5
Dec 15 17:38:55.227 INFO [stderr]    |
Dec 15 17:38:55.227 INFO [stderr] 44 |     fs::remove_file(format!("{}/{}.{}", direc, name, extension));
Dec 15 17:38:55.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 17:38:55.227 INFO [stderr]    |
Dec 15 17:38:55.227 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 17:38:55.227 INFO [stderr] 
Dec 15 17:38:55.503 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 15 17:38:55.504 INFO [stderr] su: No module specific data is present
Dec 15 17:38:55.873 INFO running `"docker" "inspect" "9385ba30e98213a53a87d07e1e977364f1f09887d57eaabc4566c1fbaf9f7e27"`
Dec 15 17:38:55.953 INFO running `"docker" "rm" "-f" "9385ba30e98213a53a87d07e1e977364f1f09887d57eaabc4566c1fbaf9f7e27"`
Dec 15 17:38:56.119 INFO [stdout] 9385ba30e98213a53a87d07e1e977364f1f09887d57eaabc4566c1fbaf9f7e27
Dec 15 17:38:56.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 15 17:38:56.392 INFO [stdout] 74d803bdb3bbae49688f60498a49d133febc3f2c4140895ed41416ae9ee12b6f
Dec 15 17:38:56.399 INFO running `"docker" "start" "-a" "74d803bdb3bbae49688f60498a49d133febc3f2c4140895ed41416ae9ee12b6f"`
Dec 15 17:38:56.836 INFO [stderr] usermod: no changes
Dec 15 17:38:56.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 17:38:56.858 INFO [stderr]      Running /target/debug/deps/csv_reader-a8323db37c9ecb09
Dec 15 17:38:56.859 INFO [stdout] 
Dec 15 17:38:56.859 INFO [stdout] running 0 tests
Dec 15 17:38:56.859 INFO [stdout] 
Dec 15 17:38:56.859 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 17:38:56.859 INFO [stdout] 
Dec 15 17:38:56.861 INFO [stderr] su: No module specific data is present
Dec 15 17:38:57.111 INFO running `"docker" "inspect" "74d803bdb3bbae49688f60498a49d133febc3f2c4140895ed41416ae9ee12b6f"`
Dec 15 17:38:57.203 INFO running `"docker" "rm" "-f" "74d803bdb3bbae49688f60498a49d133febc3f2c4140895ed41416ae9ee12b6f"`
Dec 15 17:38:57.302 INFO [stdout] 74d803bdb3bbae49688f60498a49d133febc3f2c4140895ed41416ae9ee12b6f