Nov 28 01:28:43.088 INFO checking luki/2do against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 01:28:43.090 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 01:28:43.368 INFO [stdout] 6748d4cc6d8846a433c18e8f461e0c23bac021d20f0ef8d29502aacd88154596
Nov 28 01:28:43.374 INFO running `"docker" "start" "-a" "6748d4cc6d8846a433c18e8f461e0c23bac021d20f0ef8d29502aacd88154596"`
Nov 28 01:28:43.901 INFO [stderr] usermod: no changes
Nov 28 01:28:43.968 INFO [stderr]     Checking chrono v0.2.25
Nov 28 01:28:45.728 INFO [stderr]     Checking todo v0.1.0 (/source)
Nov 28 01:28:46.289 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.290 INFO [stderr]   --> src/main.rs:43:13
Nov 28 01:28:46.291 INFO [stderr]    |
Nov 28 01:28:46.292 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 28 01:28:46.292 INFO [stderr]    |             ----^^^^^^^
Nov 28 01:28:46.293 INFO [stderr]    |             |
Nov 28 01:28:46.293 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:28:46.294 INFO [stderr]    |
Nov 28 01:28:46.295 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:28:46.295 INFO [stderr] 
Nov 28 01:28:46.296 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.296 INFO [stderr]   --> src/main.rs:44:13
Nov 28 01:28:46.297 INFO [stderr]    |
Nov 28 01:28:46.298 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 28 01:28:46.298 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 28 01:28:46.299 INFO [stderr]    |             |
Nov 28 01:28:46.300 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:28:46.300 INFO [stderr] 
Nov 28 01:28:46.301 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.301 INFO [stderr]   --> src/main.rs:81:9
Nov 28 01:28:46.301 INFO [stderr]    |
Nov 28 01:28:46.301 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 28 01:28:46.302 INFO [stderr]    |         ----^^^^
Nov 28 01:28:46.302 INFO [stderr]    |         |
Nov 28 01:28:46.302 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:28:46.303 INFO [stderr] 
Nov 28 01:28:46.305 INFO [stderr] warning: method is never used: `save_as_file`
Nov 28 01:28:46.306 INFO [stderr]   --> src/main.rs:32:5
Nov 28 01:28:46.306 INFO [stderr]    |
Nov 28 01:28:46.307 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 28 01:28:46.308 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.308 INFO [stderr]    |
Nov 28 01:28:46.309 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 01:28:46.309 INFO [stderr] 
Nov 28 01:28:46.310 INFO [stderr] warning: function is never used: `create_file`
Nov 28 01:28:46.311 INFO [stderr]   --> src/main.rs:80:1
Nov 28 01:28:46.311 INFO [stderr]    |
Nov 28 01:28:46.312 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 28 01:28:46.313 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.313 INFO [stderr] 
Nov 28 01:28:46.314 INFO [stderr] warning: function is never used: `write_to_file`
Nov 28 01:28:46.314 INFO [stderr]    --> src/main.rs:105:1
Nov 28 01:28:46.315 INFO [stderr]     |
Nov 28 01:28:46.316 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 28 01:28:46.316 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.317 INFO [stderr] 
Nov 28 01:28:46.317 INFO [stderr] warning: function is never used: `override_file`
Nov 28 01:28:46.317 INFO [stderr]    --> src/main.rs:110:1
Nov 28 01:28:46.318 INFO [stderr]     |
Nov 28 01:28:46.318 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 28 01:28:46.318 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.318 INFO [stderr] 
Nov 28 01:28:46.330 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:28:46.331 INFO [stderr]    --> src/main.rs:107:5
Nov 28 01:28:46.331 INFO [stderr]     |
Nov 28 01:28:46.332 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 28 01:28:46.332 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.333 INFO [stderr]     |
Nov 28 01:28:46.334 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 01:28:46.334 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:28:46.335 INFO [stderr] 
Nov 28 01:28:46.335 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:28:46.336 INFO [stderr]    --> src/main.rs:111:5
Nov 28 01:28:46.337 INFO [stderr]     |
Nov 28 01:28:46.337 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 28 01:28:46.338 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.339 INFO [stderr]     |
Nov 28 01:28:46.339 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:28:46.340 INFO [stderr] 
Nov 28 01:28:46.483 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.483 INFO [stderr]   --> src/main.rs:43:13
Nov 28 01:28:46.483 INFO [stderr]    |
Nov 28 01:28:46.483 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 28 01:28:46.483 INFO [stderr]    |             ----^^^^^^^
Nov 28 01:28:46.483 INFO [stderr]    |             |
Nov 28 01:28:46.483 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:28:46.483 INFO [stderr]    |
Nov 28 01:28:46.483 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:28:46.483 INFO [stderr] 
Nov 28 01:28:46.483 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.483 INFO [stderr]   --> src/main.rs:44:13
Nov 28 01:28:46.483 INFO [stderr]    |
Nov 28 01:28:46.483 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 28 01:28:46.483 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 28 01:28:46.483 INFO [stderr]    |             |
Nov 28 01:28:46.483 INFO [stderr]    |             help: remove this `mut`
Nov 28 01:28:46.483 INFO [stderr] 
Nov 28 01:28:46.483 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:28:46.483 INFO [stderr]   --> src/main.rs:81:9
Nov 28 01:28:46.483 INFO [stderr]    |
Nov 28 01:28:46.483 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 28 01:28:46.483 INFO [stderr]    |         ----^^^^
Nov 28 01:28:46.483 INFO [stderr]    |         |
Nov 28 01:28:46.483 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:28:46.483 INFO [stderr] 
Nov 28 01:28:46.485 INFO [stderr] warning: method is never used: `save_as_file`
Nov 28 01:28:46.485 INFO [stderr]   --> src/main.rs:32:5
Nov 28 01:28:46.485 INFO [stderr]    |
Nov 28 01:28:46.485 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 28 01:28:46.485 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.485 INFO [stderr]    |
Nov 28 01:28:46.485 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 01:28:46.485 INFO [stderr] 
Nov 28 01:28:46.485 INFO [stderr] warning: function is never used: `create_file`
Nov 28 01:28:46.485 INFO [stderr]   --> src/main.rs:80:1
Nov 28 01:28:46.485 INFO [stderr]    |
Nov 28 01:28:46.485 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 28 01:28:46.485 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.485 INFO [stderr] 
Nov 28 01:28:46.485 INFO [stderr] warning: function is never used: `write_to_file`
Nov 28 01:28:46.486 INFO [stderr]    --> src/main.rs:105:1
Nov 28 01:28:46.486 INFO [stderr]     |
Nov 28 01:28:46.486 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 28 01:28:46.486 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.486 INFO [stderr] 
Nov 28 01:28:46.486 INFO [stderr] warning: function is never used: `override_file`
Nov 28 01:28:46.486 INFO [stderr]    --> src/main.rs:110:1
Nov 28 01:28:46.486 INFO [stderr]     |
Nov 28 01:28:46.486 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 28 01:28:46.486 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.486 INFO [stderr] 
Nov 28 01:28:46.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:28:46.491 INFO [stderr]    --> src/main.rs:107:5
Nov 28 01:28:46.491 INFO [stderr]     |
Nov 28 01:28:46.491 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 28 01:28:46.491 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.491 INFO [stderr]     |
Nov 28 01:28:46.491 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 01:28:46.491 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:28:46.491 INFO [stderr] 
Nov 28 01:28:46.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:28:46.491 INFO [stderr]    --> src/main.rs:111:5
Nov 28 01:28:46.491 INFO [stderr]     |
Nov 28 01:28:46.491 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 28 01:28:46.491 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:28:46.491 INFO [stderr]     |
Nov 28 01:28:46.491 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:28:46.491 INFO [stderr] 
Nov 28 01:28:46.506 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Nov 28 01:28:46.510 INFO [stderr] su: No module specific data is present
Nov 28 01:28:46.860 INFO running `"docker" "inspect" "6748d4cc6d8846a433c18e8f461e0c23bac021d20f0ef8d29502aacd88154596"`
Nov 28 01:28:46.964 INFO running `"docker" "rm" "-f" "6748d4cc6d8846a433c18e8f461e0c23bac021d20f0ef8d29502aacd88154596"`
Nov 28 01:28:47.152 INFO [stdout] 6748d4cc6d8846a433c18e8f461e0c23bac021d20f0ef8d29502aacd88154596