Dec 11 14:26:15.744 INFO checking luki/2do against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:26:15.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 14:26:16.072 INFO [stdout] 952d615005ec2f9f737cf2f8d432c7c749cc5aa55fef523e8dac8f1155805be3
Dec 11 14:26:16.074 INFO running `"docker" "start" "-a" "952d615005ec2f9f737cf2f8d432c7c749cc5aa55fef523e8dac8f1155805be3"`
Dec 11 14:26:17.316 INFO [stderr] usermod: no changes
Dec 11 14:26:17.424 INFO [stderr]     Checking chrono v0.2.25
Dec 11 14:26:19.283 INFO [stderr]     Checking todo v0.1.0 (/source)
Dec 11 14:26:19.924 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.924 INFO [stderr]   --> src/main.rs:43:13
Dec 11 14:26:19.924 INFO [stderr]    |
Dec 11 14:26:19.924 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 11 14:26:19.924 INFO [stderr]    |             ----^^^^^^^
Dec 11 14:26:19.924 INFO [stderr]    |             |
Dec 11 14:26:19.924 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:26:19.924 INFO [stderr]    |
Dec 11 14:26:19.924 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:26:19.924 INFO [stderr] 
Dec 11 14:26:19.924 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.924 INFO [stderr]   --> src/main.rs:44:13
Dec 11 14:26:19.924 INFO [stderr]    |
Dec 11 14:26:19.924 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 11 14:26:19.924 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 11 14:26:19.924 INFO [stderr]    |             |
Dec 11 14:26:19.924 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:26:19.925 INFO [stderr] 
Dec 11 14:26:19.925 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.925 INFO [stderr]   --> src/main.rs:81:9
Dec 11 14:26:19.925 INFO [stderr]    |
Dec 11 14:26:19.925 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 11 14:26:19.925 INFO [stderr]    |         ----^^^^
Dec 11 14:26:19.925 INFO [stderr]    |         |
Dec 11 14:26:19.925 INFO [stderr]    |         help: remove this `mut`
Dec 11 14:26:19.925 INFO [stderr] 
Dec 11 14:26:19.940 INFO [stderr] warning: method is never used: `save_as_file`
Dec 11 14:26:19.940 INFO [stderr]   --> src/main.rs:32:5
Dec 11 14:26:19.940 INFO [stderr]    |
Dec 11 14:26:19.940 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 11 14:26:19.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.940 INFO [stderr]    |
Dec 11 14:26:19.940 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 14:26:19.940 INFO [stderr] 
Dec 11 14:26:19.940 INFO [stderr] warning: function is never used: `create_file`
Dec 11 14:26:19.940 INFO [stderr]   --> src/main.rs:80:1
Dec 11 14:26:19.940 INFO [stderr]    |
Dec 11 14:26:19.940 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 11 14:26:19.940 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.940 INFO [stderr] 
Dec 11 14:26:19.940 INFO [stderr] warning: function is never used: `write_to_file`
Dec 11 14:26:19.940 INFO [stderr]    --> src/main.rs:105:1
Dec 11 14:26:19.940 INFO [stderr]     |
Dec 11 14:26:19.940 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 11 14:26:19.940 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.940 INFO [stderr] 
Dec 11 14:26:19.940 INFO [stderr] warning: function is never used: `override_file`
Dec 11 14:26:19.940 INFO [stderr]    --> src/main.rs:110:1
Dec 11 14:26:19.940 INFO [stderr]     |
Dec 11 14:26:19.940 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 11 14:26:19.940 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.940 INFO [stderr] 
Dec 11 14:26:19.940 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:26:19.940 INFO [stderr]    --> src/main.rs:107:5
Dec 11 14:26:19.940 INFO [stderr]     |
Dec 11 14:26:19.940 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 11 14:26:19.940 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.940 INFO [stderr]     |
Dec 11 14:26:19.940 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:26:19.941 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:26:19.941 INFO [stderr] 
Dec 11 14:26:19.941 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:26:19.941 INFO [stderr]    --> src/main.rs:111:5
Dec 11 14:26:19.941 INFO [stderr]     |
Dec 11 14:26:19.941 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 11 14:26:19.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.941 INFO [stderr]     |
Dec 11 14:26:19.941 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:26:19.941 INFO [stderr] 
Dec 11 14:26:19.956 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.956 INFO [stderr]   --> src/main.rs:43:13
Dec 11 14:26:19.956 INFO [stderr]    |
Dec 11 14:26:19.956 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 11 14:26:19.956 INFO [stderr]    |             ----^^^^^^^
Dec 11 14:26:19.956 INFO [stderr]    |             |
Dec 11 14:26:19.956 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:26:19.956 INFO [stderr]    |
Dec 11 14:26:19.956 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:26:19.956 INFO [stderr] 
Dec 11 14:26:19.956 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.956 INFO [stderr]   --> src/main.rs:44:13
Dec 11 14:26:19.956 INFO [stderr]    |
Dec 11 14:26:19.956 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 11 14:26:19.956 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 11 14:26:19.956 INFO [stderr]    |             |
Dec 11 14:26:19.956 INFO [stderr]    |             help: remove this `mut`
Dec 11 14:26:19.956 INFO [stderr] 
Dec 11 14:26:19.956 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:26:19.956 INFO [stderr]   --> src/main.rs:81:9
Dec 11 14:26:19.956 INFO [stderr]    |
Dec 11 14:26:19.956 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 11 14:26:19.956 INFO [stderr]    |         ----^^^^
Dec 11 14:26:19.956 INFO [stderr]    |         |
Dec 11 14:26:19.956 INFO [stderr]    |         help: remove this `mut`
Dec 11 14:26:19.957 INFO [stderr] 
Dec 11 14:26:19.960 INFO [stderr] warning: method is never used: `save_as_file`
Dec 11 14:26:19.960 INFO [stderr]   --> src/main.rs:32:5
Dec 11 14:26:19.960 INFO [stderr]    |
Dec 11 14:26:19.960 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 11 14:26:19.960 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.960 INFO [stderr]    |
Dec 11 14:26:19.960 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 14:26:19.960 INFO [stderr] 
Dec 11 14:26:19.960 INFO [stderr] warning: function is never used: `create_file`
Dec 11 14:26:19.960 INFO [stderr]   --> src/main.rs:80:1
Dec 11 14:26:19.960 INFO [stderr]    |
Dec 11 14:26:19.960 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 11 14:26:19.960 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.960 INFO [stderr] 
Dec 11 14:26:19.960 INFO [stderr] warning: function is never used: `write_to_file`
Dec 11 14:26:19.960 INFO [stderr]    --> src/main.rs:105:1
Dec 11 14:26:19.960 INFO [stderr]     |
Dec 11 14:26:19.960 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 11 14:26:19.960 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.960 INFO [stderr] 
Dec 11 14:26:19.960 INFO [stderr] warning: function is never used: `override_file`
Dec 11 14:26:19.960 INFO [stderr]    --> src/main.rs:110:1
Dec 11 14:26:19.960 INFO [stderr]     |
Dec 11 14:26:19.960 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 11 14:26:19.960 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.960 INFO [stderr] 
Dec 11 14:26:19.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:26:19.972 INFO [stderr]    --> src/main.rs:107:5
Dec 11 14:26:19.972 INFO [stderr]     |
Dec 11 14:26:19.972 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 11 14:26:19.973 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.973 INFO [stderr]     |
Dec 11 14:26:19.973 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 14:26:19.973 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:26:19.973 INFO [stderr] 
Dec 11 14:26:19.973 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:26:19.973 INFO [stderr]    --> src/main.rs:111:5
Dec 11 14:26:19.973 INFO [stderr]     |
Dec 11 14:26:19.973 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 11 14:26:19.973 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:26:19.973 INFO [stderr]     |
Dec 11 14:26:19.973 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:26:19.973 INFO [stderr] 
Dec 11 14:26:19.988 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 11 14:26:19.992 INFO [stderr] su: No module specific data is present
Dec 11 14:26:20.297 INFO running `"docker" "inspect" "952d615005ec2f9f737cf2f8d432c7c749cc5aa55fef523e8dac8f1155805be3"`
Dec 11 14:26:20.478 INFO running `"docker" "rm" "-f" "952d615005ec2f9f737cf2f8d432c7c749cc5aa55fef523e8dac8f1155805be3"`
Dec 11 14:26:20.662 INFO [stdout] 952d615005ec2f9f737cf2f8d432c7c749cc5aa55fef523e8dac8f1155805be3