Oct 12 18:08:18.509 INFO checking luki/2do against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:08:18.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 18:08:18.844 INFO blam! eaa4b1aa893964ed955d664765ad685f6576b2053398e721ff3e7ccd2f6c3769
Oct 12 18:08:18.856 INFO running `"docker" "start" "-a" "eaa4b1aa893964ed955d664765ad685f6576b2053398e721ff3e7ccd2f6c3769"`
Oct 12 18:08:19.676 INFO kablam! usermod: no changes
Oct 12 18:08:19.757 INFO kablam!     Checking chrono v0.2.25
Oct 12 18:08:21.584 INFO kablam!     Checking todo v0.1.0 (/source)
Oct 12 18:08:22.184 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.184 INFO kablam!   --> src/main.rs:43:13
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam! 43 |         let mut content = read_from_file(file);
Oct 12 18:08:22.184 INFO kablam!    |             ----^^^^^^^
Oct 12 18:08:22.184 INFO kablam!    |             |
Oct 12 18:08:22.184 INFO kablam!    |             help: remove this `mut`
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:08:22.184 INFO kablam! 
Oct 12 18:08:22.184 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.184 INFO kablam!   --> src/main.rs:44:13
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam! 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Oct 12 18:08:22.184 INFO kablam!    |             ----^^^^^^^^^^^
Oct 12 18:08:22.184 INFO kablam!    |             |
Oct 12 18:08:22.184 INFO kablam!    |             help: remove this `mut`
Oct 12 18:08:22.184 INFO kablam! 
Oct 12 18:08:22.184 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.184 INFO kablam!   --> src/main.rs:81:9
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam! 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Oct 12 18:08:22.184 INFO kablam!    |         ----^^^^
Oct 12 18:08:22.184 INFO kablam!    |         |
Oct 12 18:08:22.184 INFO kablam!    |         help: remove this `mut`
Oct 12 18:08:22.184 INFO kablam! 
Oct 12 18:08:22.184 INFO kablam! warning: method is never used: `save_as_file`
Oct 12 18:08:22.184 INFO kablam!   --> src/main.rs:32:5
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam! 32 |     fn save_as_file(&self) {
Oct 12 18:08:22.184 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 18:08:22.184 INFO kablam! 
Oct 12 18:08:22.184 INFO kablam! warning: function is never used: `create_file`
Oct 12 18:08:22.184 INFO kablam!   --> src/main.rs:80:1
Oct 12 18:08:22.184 INFO kablam!    |
Oct 12 18:08:22.184 INFO kablam! 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Oct 12 18:08:22.184 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.184 INFO kablam! 
Oct 12 18:08:22.184 INFO kablam! warning: function is never used: `write_to_file`
Oct 12 18:08:22.184 INFO kablam!    --> src/main.rs:105:1
Oct 12 18:08:22.184 INFO kablam!     |
Oct 12 18:08:22.184 INFO kablam! 105 | fn write_to_file(file: &mut File, content: &str) {
Oct 12 18:08:22.184 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.185 INFO kablam! 
Oct 12 18:08:22.185 INFO kablam! warning: function is never used: `override_file`
Oct 12 18:08:22.185 INFO kablam!    --> src/main.rs:110:1
Oct 12 18:08:22.185 INFO kablam!     |
Oct 12 18:08:22.185 INFO kablam! 110 | fn override_file(file: &mut File, content: &str) {
Oct 12 18:08:22.185 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.185 INFO kablam! 
Oct 12 18:08:22.200 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:08:22.200 INFO kablam!    --> src/main.rs:107:5
Oct 12 18:08:22.200 INFO kablam!     |
Oct 12 18:08:22.200 INFO kablam! 107 |     file.write_all(content.as_bytes());
Oct 12 18:08:22.200 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.200 INFO kablam!     |
Oct 12 18:08:22.200 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 18:08:22.200 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:08:22.200 INFO kablam! 
Oct 12 18:08:22.200 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:08:22.200 INFO kablam!    --> src/main.rs:111:5
Oct 12 18:08:22.200 INFO kablam!     |
Oct 12 18:08:22.200 INFO kablam! 111 |     file.write_all(content.as_bytes());
Oct 12 18:08:22.200 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.200 INFO kablam!     |
Oct 12 18:08:22.200 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:08:22.200 INFO kablam! 
Oct 12 18:08:22.332 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.333 INFO kablam!   --> src/main.rs:43:13
Oct 12 18:08:22.333 INFO kablam!    |
Oct 12 18:08:22.333 INFO kablam! 43 |         let mut content = read_from_file(file);
Oct 12 18:08:22.333 INFO kablam!    |             ----^^^^^^^
Oct 12 18:08:22.333 INFO kablam!    |             |
Oct 12 18:08:22.333 INFO kablam!    |             help: remove this `mut`
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.334 INFO kablam!   --> src/main.rs:44:13
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam! 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Oct 12 18:08:22.334 INFO kablam!    |             ----^^^^^^^^^^^
Oct 12 18:08:22.334 INFO kablam!    |             |
Oct 12 18:08:22.334 INFO kablam!    |             help: remove this `mut`
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:08:22.334 INFO kablam!   --> src/main.rs:81:9
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam! 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Oct 12 18:08:22.334 INFO kablam!    |         ----^^^^
Oct 12 18:08:22.334 INFO kablam!    |         |
Oct 12 18:08:22.334 INFO kablam!    |         help: remove this `mut`
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: method is never used: `save_as_file`
Oct 12 18:08:22.334 INFO kablam!   --> src/main.rs:32:5
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam! 32 |     fn save_as_file(&self) {
Oct 12 18:08:22.334 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: function is never used: `create_file`
Oct 12 18:08:22.334 INFO kablam!   --> src/main.rs:80:1
Oct 12 18:08:22.334 INFO kablam!    |
Oct 12 18:08:22.334 INFO kablam! 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Oct 12 18:08:22.334 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: function is never used: `write_to_file`
Oct 12 18:08:22.334 INFO kablam!    --> src/main.rs:105:1
Oct 12 18:08:22.334 INFO kablam!     |
Oct 12 18:08:22.334 INFO kablam! 105 | fn write_to_file(file: &mut File, content: &str) {
Oct 12 18:08:22.334 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.334 INFO kablam! warning: function is never used: `override_file`
Oct 12 18:08:22.334 INFO kablam!    --> src/main.rs:110:1
Oct 12 18:08:22.334 INFO kablam!     |
Oct 12 18:08:22.334 INFO kablam! 110 | fn override_file(file: &mut File, content: &str) {
Oct 12 18:08:22.334 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.334 INFO kablam! 
Oct 12 18:08:22.346 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:08:22.346 INFO kablam!    --> src/main.rs:107:5
Oct 12 18:08:22.346 INFO kablam!     |
Oct 12 18:08:22.346 INFO kablam! 107 |     file.write_all(content.as_bytes());
Oct 12 18:08:22.346 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.346 INFO kablam!     |
Oct 12 18:08:22.346 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 18:08:22.347 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:08:22.347 INFO kablam! 
Oct 12 18:08:22.347 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:08:22.347 INFO kablam!    --> src/main.rs:111:5
Oct 12 18:08:22.347 INFO kablam!     |
Oct 12 18:08:22.347 INFO kablam! 111 |     file.write_all(content.as_bytes());
Oct 12 18:08:22.347 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:08:22.347 INFO kablam!     |
Oct 12 18:08:22.347 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:08:22.347 INFO kablam! 
Oct 12 18:08:22.412 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Oct 12 18:08:22.412 INFO kablam! su: No module specific data is present
Oct 12 18:08:23.001 INFO running `"docker" "rm" "-f" "eaa4b1aa893964ed955d664765ad685f6576b2053398e721ff3e7ccd2f6c3769"`
Oct 12 18:08:23.232 INFO blam! eaa4b1aa893964ed955d664765ad685f6576b2053398e721ff3e7ccd2f6c3769