Nov 29 23:06:47.308 INFO checking luki/2do against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 23:06:47.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 23:06:47.495 INFO [stdout] 4442dc9f62732400c53e666bc430de8fb990a69fbcafa8553ec78423ca4a2642
Nov 29 23:06:47.498 INFO running `"docker" "start" "-a" "4442dc9f62732400c53e666bc430de8fb990a69fbcafa8553ec78423ca4a2642"`
Nov 29 23:06:48.008 INFO [stderr] usermod: no changes
Nov 29 23:06:48.076 INFO [stderr]     Checking chrono v0.2.25
Nov 29 23:06:49.880 INFO [stderr]     Checking todo v0.1.0 (/source)
Nov 29 23:06:50.400 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.401 INFO [stderr]   --> src/main.rs:43:13
Nov 29 23:06:50.401 INFO [stderr]    |
Nov 29 23:06:50.401 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 29 23:06:50.401 INFO [stderr]    |             ----^^^^^^^
Nov 29 23:06:50.401 INFO [stderr]    |             |
Nov 29 23:06:50.401 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:06:50.401 INFO [stderr]    |
Nov 29 23:06:50.401 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:06:50.401 INFO [stderr] 
Nov 29 23:06:50.401 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.401 INFO [stderr]   --> src/main.rs:44:13
Nov 29 23:06:50.401 INFO [stderr]    |
Nov 29 23:06:50.401 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 29 23:06:50.401 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 29 23:06:50.401 INFO [stderr]    |             |
Nov 29 23:06:50.404 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:06:50.404 INFO [stderr] 
Nov 29 23:06:50.404 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.404 INFO [stderr]   --> src/main.rs:81:9
Nov 29 23:06:50.404 INFO [stderr]    |
Nov 29 23:06:50.404 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 29 23:06:50.404 INFO [stderr]    |         ----^^^^
Nov 29 23:06:50.404 INFO [stderr]    |         |
Nov 29 23:06:50.404 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:06:50.404 INFO [stderr] 
Nov 29 23:06:50.404 INFO [stderr] warning: method is never used: `save_as_file`
Nov 29 23:06:50.404 INFO [stderr]   --> src/main.rs:32:5
Nov 29 23:06:50.404 INFO [stderr]    |
Nov 29 23:06:50.404 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 29 23:06:50.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.404 INFO [stderr]    |
Nov 29 23:06:50.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 23:06:50.404 INFO [stderr] 
Nov 29 23:06:50.404 INFO [stderr] warning: function is never used: `create_file`
Nov 29 23:06:50.404 INFO [stderr]   --> src/main.rs:80:1
Nov 29 23:06:50.404 INFO [stderr]    |
Nov 29 23:06:50.404 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 29 23:06:50.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.404 INFO [stderr] 
Nov 29 23:06:50.404 INFO [stderr] warning: function is never used: `write_to_file`
Nov 29 23:06:50.404 INFO [stderr]    --> src/main.rs:105:1
Nov 29 23:06:50.404 INFO [stderr]     |
Nov 29 23:06:50.404 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 29 23:06:50.404 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.404 INFO [stderr] 
Nov 29 23:06:50.404 INFO [stderr] warning: function is never used: `override_file`
Nov 29 23:06:50.404 INFO [stderr]    --> src/main.rs:110:1
Nov 29 23:06:50.404 INFO [stderr]     |
Nov 29 23:06:50.405 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 29 23:06:50.405 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.405 INFO [stderr] 
Nov 29 23:06:50.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:06:50.405 INFO [stderr]    --> src/main.rs:107:5
Nov 29 23:06:50.405 INFO [stderr]     |
Nov 29 23:06:50.405 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 29 23:06:50.405 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.406 INFO [stderr]     |
Nov 29 23:06:50.406 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 23:06:50.406 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:06:50.406 INFO [stderr] 
Nov 29 23:06:50.407 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:06:50.407 INFO [stderr]    --> src/main.rs:111:5
Nov 29 23:06:50.407 INFO [stderr]     |
Nov 29 23:06:50.407 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 29 23:06:50.407 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.407 INFO [stderr]     |
Nov 29 23:06:50.407 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:06:50.407 INFO [stderr] 
Nov 29 23:06:50.440 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.440 INFO [stderr]   --> src/main.rs:43:13
Nov 29 23:06:50.440 INFO [stderr]    |
Nov 29 23:06:50.440 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 29 23:06:50.440 INFO [stderr]    |             ----^^^^^^^
Nov 29 23:06:50.440 INFO [stderr]    |             |
Nov 29 23:06:50.440 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:06:50.440 INFO [stderr]    |
Nov 29 23:06:50.440 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:06:50.440 INFO [stderr] 
Nov 29 23:06:50.440 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.440 INFO [stderr]   --> src/main.rs:44:13
Nov 29 23:06:50.440 INFO [stderr]    |
Nov 29 23:06:50.440 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 29 23:06:50.440 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 29 23:06:50.440 INFO [stderr]    |             |
Nov 29 23:06:50.440 INFO [stderr]    |             help: remove this `mut`
Nov 29 23:06:50.440 INFO [stderr] 
Nov 29 23:06:50.444 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:06:50.444 INFO [stderr]   --> src/main.rs:81:9
Nov 29 23:06:50.444 INFO [stderr]    |
Nov 29 23:06:50.444 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 29 23:06:50.444 INFO [stderr]    |         ----^^^^
Nov 29 23:06:50.444 INFO [stderr]    |         |
Nov 29 23:06:50.444 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:06:50.444 INFO [stderr] 
Nov 29 23:06:50.448 INFO [stderr] warning: method is never used: `save_as_file`
Nov 29 23:06:50.448 INFO [stderr]   --> src/main.rs:32:5
Nov 29 23:06:50.448 INFO [stderr]    |
Nov 29 23:06:50.448 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 29 23:06:50.448 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.448 INFO [stderr]    |
Nov 29 23:06:50.448 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 23:06:50.448 INFO [stderr] 
Nov 29 23:06:50.448 INFO [stderr] warning: function is never used: `create_file`
Nov 29 23:06:50.448 INFO [stderr]   --> src/main.rs:80:1
Nov 29 23:06:50.448 INFO [stderr]    |
Nov 29 23:06:50.448 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 29 23:06:50.448 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.448 INFO [stderr] 
Nov 29 23:06:50.448 INFO [stderr] warning: function is never used: `write_to_file`
Nov 29 23:06:50.448 INFO [stderr]    --> src/main.rs:105:1
Nov 29 23:06:50.448 INFO [stderr]     |
Nov 29 23:06:50.448 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 29 23:06:50.448 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.448 INFO [stderr] 
Nov 29 23:06:50.448 INFO [stderr] warning: function is never used: `override_file`
Nov 29 23:06:50.448 INFO [stderr]    --> src/main.rs:110:1
Nov 29 23:06:50.448 INFO [stderr]     |
Nov 29 23:06:50.448 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 29 23:06:50.448 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.448 INFO [stderr] 
Nov 29 23:06:50.457 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:06:50.457 INFO [stderr]    --> src/main.rs:107:5
Nov 29 23:06:50.457 INFO [stderr]     |
Nov 29 23:06:50.457 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 29 23:06:50.457 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.457 INFO [stderr]     |
Nov 29 23:06:50.457 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 23:06:50.457 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:06:50.457 INFO [stderr] 
Nov 29 23:06:50.469 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:06:50.469 INFO [stderr]    --> src/main.rs:111:5
Nov 29 23:06:50.469 INFO [stderr]     |
Nov 29 23:06:50.469 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 29 23:06:50.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:06:50.469 INFO [stderr]     |
Nov 29 23:06:50.469 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:06:50.469 INFO [stderr] 
Nov 29 23:06:50.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Nov 29 23:06:50.488 INFO [stderr] su: No module specific data is present
Nov 29 23:06:51.095 INFO running `"docker" "inspect" "4442dc9f62732400c53e666bc430de8fb990a69fbcafa8553ec78423ca4a2642"`
Nov 29 23:06:51.230 INFO running `"docker" "rm" "-f" "4442dc9f62732400c53e666bc430de8fb990a69fbcafa8553ec78423ca4a2642"`
Nov 29 23:06:51.328 INFO [stdout] 4442dc9f62732400c53e666bc430de8fb990a69fbcafa8553ec78423ca4a2642