Dec 05 15:55:31.041 INFO testing luki/2do against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 15:55:31.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:55:31.376 INFO [stdout] b1f3adb858ece99b4d80bc18eb1e748facccaf09ad5ee28ccff1edf2ed256a9b
Dec 05 15:55:31.376 INFO running `"docker" "start" "-a" "b1f3adb858ece99b4d80bc18eb1e748facccaf09ad5ee28ccff1edf2ed256a9b"`
Dec 05 15:55:32.295 INFO [stderr] usermod: no changes
Dec 05 15:55:32.376 INFO [stderr]    Compiling chrono v0.2.25
Dec 05 15:55:34.565 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 05 15:55:34.924 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:34.924 INFO [stderr]   --> src/main.rs:43:13
Dec 05 15:55:34.924 INFO [stderr]    |
Dec 05 15:55:34.924 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 05 15:55:34.924 INFO [stderr]    |             ----^^^^^^^
Dec 05 15:55:34.924 INFO [stderr]    |             |
Dec 05 15:55:34.924 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:34.924 INFO [stderr]    |
Dec 05 15:55:34.924 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:55:34.924 INFO [stderr] 
Dec 05 15:55:34.924 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:34.924 INFO [stderr]   --> src/main.rs:44:13
Dec 05 15:55:34.924 INFO [stderr]    |
Dec 05 15:55:34.924 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 05 15:55:34.924 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 15:55:34.925 INFO [stderr]    |             |
Dec 05 15:55:34.925 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:34.925 INFO [stderr] 
Dec 05 15:55:34.925 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:34.925 INFO [stderr]   --> src/main.rs:81:9
Dec 05 15:55:34.925 INFO [stderr]    |
Dec 05 15:55:34.925 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 05 15:55:34.925 INFO [stderr]    |         ----^^^^
Dec 05 15:55:34.925 INFO [stderr]    |         |
Dec 05 15:55:34.925 INFO [stderr]    |         help: remove this `mut`
Dec 05 15:55:34.925 INFO [stderr] 
Dec 05 15:55:34.935 INFO [stderr] warning: method is never used: `save_as_file`
Dec 05 15:55:34.935 INFO [stderr]   --> src/main.rs:32:5
Dec 05 15:55:34.935 INFO [stderr]    |
Dec 05 15:55:34.935 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 05 15:55:34.935 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.935 INFO [stderr]    |
Dec 05 15:55:34.935 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 15:55:34.935 INFO [stderr] 
Dec 05 15:55:34.935 INFO [stderr] warning: function is never used: `create_file`
Dec 05 15:55:34.935 INFO [stderr]   --> src/main.rs:80:1
Dec 05 15:55:34.935 INFO [stderr]    |
Dec 05 15:55:34.935 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 05 15:55:34.935 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.935 INFO [stderr] 
Dec 05 15:55:34.935 INFO [stderr] warning: function is never used: `write_to_file`
Dec 05 15:55:34.935 INFO [stderr]    --> src/main.rs:105:1
Dec 05 15:55:34.935 INFO [stderr]     |
Dec 05 15:55:34.935 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 05 15:55:34.935 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.935 INFO [stderr] 
Dec 05 15:55:34.935 INFO [stderr] warning: function is never used: `override_file`
Dec 05 15:55:34.935 INFO [stderr]    --> src/main.rs:110:1
Dec 05 15:55:34.935 INFO [stderr]     |
Dec 05 15:55:34.935 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 05 15:55:34.935 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.935 INFO [stderr] 
Dec 05 15:55:34.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:34.938 INFO [stderr]    --> src/main.rs:107:5
Dec 05 15:55:34.938 INFO [stderr]     |
Dec 05 15:55:34.938 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 05 15:55:34.938 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.938 INFO [stderr]     |
Dec 05 15:55:34.938 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:55:34.938 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:34.938 INFO [stderr] 
Dec 05 15:55:34.938 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:34.938 INFO [stderr]    --> src/main.rs:111:5
Dec 05 15:55:34.938 INFO [stderr]     |
Dec 05 15:55:34.938 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 05 15:55:34.938 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:34.938 INFO [stderr]     |
Dec 05 15:55:34.938 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:34.938 INFO [stderr] 
Dec 05 15:55:35.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Dec 05 15:55:35.607 INFO [stderr] su: No module specific data is present
Dec 05 15:55:35.866 INFO running `"docker" "inspect" "b1f3adb858ece99b4d80bc18eb1e748facccaf09ad5ee28ccff1edf2ed256a9b"`
Dec 05 15:55:36.070 INFO running `"docker" "rm" "-f" "b1f3adb858ece99b4d80bc18eb1e748facccaf09ad5ee28ccff1edf2ed256a9b"`
Dec 05 15:55:36.188 INFO [stdout] b1f3adb858ece99b4d80bc18eb1e748facccaf09ad5ee28ccff1edf2ed256a9b
Dec 05 15:55:36.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:55:36.363 INFO [stdout] 5b00280bb6561ffb0a731919e17f0a75d274016ba76f653c13ab31ee34dfdaa1
Dec 05 15:55:36.369 INFO running `"docker" "start" "-a" "5b00280bb6561ffb0a731919e17f0a75d274016ba76f653c13ab31ee34dfdaa1"`
Dec 05 15:55:36.772 INFO [stderr] usermod: no changes
Dec 05 15:55:36.812 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 05 15:55:37.256 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:37.256 INFO [stderr]   --> src/main.rs:43:13
Dec 05 15:55:37.256 INFO [stderr]    |
Dec 05 15:55:37.256 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 05 15:55:37.256 INFO [stderr]    |             ----^^^^^^^
Dec 05 15:55:37.256 INFO [stderr]    |             |
Dec 05 15:55:37.256 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:37.256 INFO [stderr]    |
Dec 05 15:55:37.256 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:55:37.256 INFO [stderr] 
Dec 05 15:55:37.256 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:37.256 INFO [stderr]   --> src/main.rs:44:13
Dec 05 15:55:37.256 INFO [stderr]    |
Dec 05 15:55:37.256 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 05 15:55:37.256 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 15:55:37.256 INFO [stderr]    |             |
Dec 05 15:55:37.256 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:37.256 INFO [stderr] 
Dec 05 15:55:37.257 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:37.257 INFO [stderr]   --> src/main.rs:81:9
Dec 05 15:55:37.257 INFO [stderr]    |
Dec 05 15:55:37.257 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 05 15:55:37.257 INFO [stderr]    |         ----^^^^
Dec 05 15:55:37.257 INFO [stderr]    |         |
Dec 05 15:55:37.257 INFO [stderr]    |         help: remove this `mut`
Dec 05 15:55:37.257 INFO [stderr] 
Dec 05 15:55:37.264 INFO [stderr] warning: method is never used: `save_as_file`
Dec 05 15:55:37.264 INFO [stderr]   --> src/main.rs:32:5
Dec 05 15:55:37.264 INFO [stderr]    |
Dec 05 15:55:37.264 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 05 15:55:37.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.264 INFO [stderr]    |
Dec 05 15:55:37.264 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 15:55:37.264 INFO [stderr] 
Dec 05 15:55:37.264 INFO [stderr] warning: function is never used: `create_file`
Dec 05 15:55:37.264 INFO [stderr]   --> src/main.rs:80:1
Dec 05 15:55:37.264 INFO [stderr]    |
Dec 05 15:55:37.264 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 05 15:55:37.264 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.264 INFO [stderr] 
Dec 05 15:55:37.264 INFO [stderr] warning: function is never used: `write_to_file`
Dec 05 15:55:37.264 INFO [stderr]    --> src/main.rs:105:1
Dec 05 15:55:37.264 INFO [stderr]     |
Dec 05 15:55:37.264 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 05 15:55:37.264 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.264 INFO [stderr] 
Dec 05 15:55:37.264 INFO [stderr] warning: function is never used: `override_file`
Dec 05 15:55:37.264 INFO [stderr]    --> src/main.rs:110:1
Dec 05 15:55:37.264 INFO [stderr]     |
Dec 05 15:55:37.265 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 05 15:55:37.265 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.265 INFO [stderr] 
Dec 05 15:55:37.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:37.268 INFO [stderr]    --> src/main.rs:107:5
Dec 05 15:55:37.268 INFO [stderr]     |
Dec 05 15:55:37.268 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 05 15:55:37.268 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.268 INFO [stderr]     |
Dec 05 15:55:37.268 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:55:37.268 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:37.268 INFO [stderr] 
Dec 05 15:55:37.268 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:37.268 INFO [stderr]    --> src/main.rs:111:5
Dec 05 15:55:37.268 INFO [stderr]     |
Dec 05 15:55:37.268 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 05 15:55:37.268 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:37.268 INFO [stderr]     |
Dec 05 15:55:37.268 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:37.268 INFO [stderr] 
Dec 05 15:55:37.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 05 15:55:37.554 INFO [stderr] su: No module specific data is present
Dec 05 15:55:37.871 INFO running `"docker" "inspect" "5b00280bb6561ffb0a731919e17f0a75d274016ba76f653c13ab31ee34dfdaa1"`
Dec 05 15:55:38.026 INFO running `"docker" "rm" "-f" "5b00280bb6561ffb0a731919e17f0a75d274016ba76f653c13ab31ee34dfdaa1"`
Dec 05 15:55:38.128 INFO [stdout] 5b00280bb6561ffb0a731919e17f0a75d274016ba76f653c13ab31ee34dfdaa1
Dec 05 15:55:38.131 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 15:55:38.338 INFO [stdout] e4d3f45d76cc65810f8ca47be12bbbcd0ae4ba633a295fe82d66d5ea47fc458b
Dec 05 15:55:38.339 INFO running `"docker" "start" "-a" "e4d3f45d76cc65810f8ca47be12bbbcd0ae4ba633a295fe82d66d5ea47fc458b"`
Dec 05 15:55:38.742 INFO [stderr] usermod: no changes
Dec 05 15:55:38.786 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 15:55:38.787 INFO [stderr]      Running /target/debug/deps/todo-b928b3e2ca8b2908
Dec 05 15:55:38.789 INFO [stdout] 
Dec 05 15:55:38.789 INFO [stdout] running 0 tests
Dec 05 15:55:38.789 INFO [stdout] 
Dec 05 15:55:38.789 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 15:55:38.789 INFO [stdout] 
Dec 05 15:55:38.793 INFO [stderr] su: No module specific data is present
Dec 05 15:55:39.189 INFO running `"docker" "inspect" "e4d3f45d76cc65810f8ca47be12bbbcd0ae4ba633a295fe82d66d5ea47fc458b"`
Dec 05 15:55:39.282 INFO running `"docker" "rm" "-f" "e4d3f45d76cc65810f8ca47be12bbbcd0ae4ba633a295fe82d66d5ea47fc458b"`
Dec 05 15:55:39.366 INFO [stdout] e4d3f45d76cc65810f8ca47be12bbbcd0ae4ba633a295fe82d66d5ea47fc458b