Dec 01 10:43:34.956 INFO testing luki/2do against 1.30.1 for beta-1.31-5
Dec 01 10:43:34.956 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 10:43:35.339 INFO [stdout] 28f4f019befeed937d5ed706518a62e5c2b3911f83aadf5c1bd3255c5c946176
Dec 01 10:43:35.339 INFO running `"docker" "start" "-a" "28f4f019befeed937d5ed706518a62e5c2b3911f83aadf5c1bd3255c5c946176"`
Dec 01 10:43:36.616 INFO [stderr] usermod: no changes
Dec 01 10:43:36.715 INFO [stderr]    Compiling chrono v0.2.25
Dec 01 10:43:39.383 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 01 10:43:39.995 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:39.995 INFO [stderr]   --> src/main.rs:43:13
Dec 01 10:43:39.995 INFO [stderr]    |
Dec 01 10:43:39.995 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 01 10:43:39.995 INFO [stderr]    |             ----^^^^^^^
Dec 01 10:43:39.995 INFO [stderr]    |             |
Dec 01 10:43:39.995 INFO [stderr]    |             help: remove this `mut`
Dec 01 10:43:39.995 INFO [stderr]    |
Dec 01 10:43:39.995 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 10:43:39.995 INFO [stderr] 
Dec 01 10:43:39.995 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:39.995 INFO [stderr]   --> src/main.rs:44:13
Dec 01 10:43:39.995 INFO [stderr]    |
Dec 01 10:43:39.995 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 01 10:43:39.995 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 01 10:43:39.995 INFO [stderr]    |             |
Dec 01 10:43:39.995 INFO [stderr]    |             help: remove this `mut`
Dec 01 10:43:39.995 INFO [stderr] 
Dec 01 10:43:40.003 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:40.003 INFO [stderr]   --> src/main.rs:81:9
Dec 01 10:43:40.003 INFO [stderr]    |
Dec 01 10:43:40.003 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 01 10:43:40.003 INFO [stderr]    |         ----^^^^
Dec 01 10:43:40.003 INFO [stderr]    |         |
Dec 01 10:43:40.003 INFO [stderr]    |         help: remove this `mut`
Dec 01 10:43:40.003 INFO [stderr] 
Dec 01 10:43:40.003 INFO [stderr] warning: method is never used: `save_as_file`
Dec 01 10:43:40.003 INFO [stderr]   --> src/main.rs:32:5
Dec 01 10:43:40.003 INFO [stderr]    |
Dec 01 10:43:40.003 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 01 10:43:40.003 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.003 INFO [stderr]    |
Dec 01 10:43:40.003 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 10:43:40.003 INFO [stderr] 
Dec 01 10:43:40.003 INFO [stderr] warning: function is never used: `create_file`
Dec 01 10:43:40.003 INFO [stderr]   --> src/main.rs:80:1
Dec 01 10:43:40.003 INFO [stderr]    |
Dec 01 10:43:40.003 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 01 10:43:40.003 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.003 INFO [stderr] 
Dec 01 10:43:40.003 INFO [stderr] warning: function is never used: `write_to_file`
Dec 01 10:43:40.003 INFO [stderr]    --> src/main.rs:105:1
Dec 01 10:43:40.003 INFO [stderr]     |
Dec 01 10:43:40.003 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 01 10:43:40.003 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.003 INFO [stderr] 
Dec 01 10:43:40.003 INFO [stderr] warning: function is never used: `override_file`
Dec 01 10:43:40.003 INFO [stderr]    --> src/main.rs:110:1
Dec 01 10:43:40.003 INFO [stderr]     |
Dec 01 10:43:40.003 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 01 10:43:40.003 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.003 INFO [stderr] 
Dec 01 10:43:40.013 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 10:43:40.013 INFO [stderr]    --> src/main.rs:107:5
Dec 01 10:43:40.013 INFO [stderr]     |
Dec 01 10:43:40.013 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 01 10:43:40.013 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.013 INFO [stderr]     |
Dec 01 10:43:40.013 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 01 10:43:40.013 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 10:43:40.013 INFO [stderr] 
Dec 01 10:43:40.013 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 10:43:40.013 INFO [stderr]    --> src/main.rs:111:5
Dec 01 10:43:40.013 INFO [stderr]     |
Dec 01 10:43:40.013 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 01 10:43:40.013 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:40.013 INFO [stderr]     |
Dec 01 10:43:40.013 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 10:43:40.013 INFO [stderr] 
Dec 01 10:43:40.589 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Dec 01 10:43:40.589 INFO [stderr] su: No module specific data is present
Dec 01 10:43:40.888 INFO running `"docker" "inspect" "28f4f019befeed937d5ed706518a62e5c2b3911f83aadf5c1bd3255c5c946176"`
Dec 01 10:43:41.000 INFO running `"docker" "rm" "-f" "28f4f019befeed937d5ed706518a62e5c2b3911f83aadf5c1bd3255c5c946176"`
Dec 01 10:43:41.218 INFO [stdout] 28f4f019befeed937d5ed706518a62e5c2b3911f83aadf5c1bd3255c5c946176
Dec 01 10:43:41.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 10:43:41.471 INFO [stdout] 97b3702ef45e6d039c25fe7660a49249596f9acd136e31edccca8dd0031c7cb4
Dec 01 10:43:41.474 INFO running `"docker" "start" "-a" "97b3702ef45e6d039c25fe7660a49249596f9acd136e31edccca8dd0031c7cb4"`
Dec 01 10:43:42.013 INFO [stderr] usermod: no changes
Dec 01 10:43:42.048 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 01 10:43:42.679 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:42.679 INFO [stderr]   --> src/main.rs:43:13
Dec 01 10:43:42.679 INFO [stderr]    |
Dec 01 10:43:42.679 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 01 10:43:42.679 INFO [stderr]    |             ----^^^^^^^
Dec 01 10:43:42.679 INFO [stderr]    |             |
Dec 01 10:43:42.679 INFO [stderr]    |             help: remove this `mut`
Dec 01 10:43:42.679 INFO [stderr]    |
Dec 01 10:43:42.679 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 10:43:42.679 INFO [stderr] 
Dec 01 10:43:42.679 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:42.679 INFO [stderr]   --> src/main.rs:44:13
Dec 01 10:43:42.679 INFO [stderr]    |
Dec 01 10:43:42.679 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 01 10:43:42.679 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 01 10:43:42.679 INFO [stderr]    |             |
Dec 01 10:43:42.679 INFO [stderr]    |             help: remove this `mut`
Dec 01 10:43:42.679 INFO [stderr] 
Dec 01 10:43:42.679 INFO [stderr] warning: variable does not need to be mutable
Dec 01 10:43:42.679 INFO [stderr]   --> src/main.rs:81:9
Dec 01 10:43:42.679 INFO [stderr]    |
Dec 01 10:43:42.679 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 01 10:43:42.680 INFO [stderr]    |         ----^^^^
Dec 01 10:43:42.680 INFO [stderr]    |         |
Dec 01 10:43:42.680 INFO [stderr]    |         help: remove this `mut`
Dec 01 10:43:42.680 INFO [stderr] 
Dec 01 10:43:42.680 INFO [stderr] warning: method is never used: `save_as_file`
Dec 01 10:43:42.680 INFO [stderr]   --> src/main.rs:32:5
Dec 01 10:43:42.680 INFO [stderr]    |
Dec 01 10:43:42.680 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 01 10:43:42.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.680 INFO [stderr]    |
Dec 01 10:43:42.680 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 10:43:42.680 INFO [stderr] 
Dec 01 10:43:42.681 INFO [stderr] warning: function is never used: `create_file`
Dec 01 10:43:42.681 INFO [stderr]   --> src/main.rs:80:1
Dec 01 10:43:42.681 INFO [stderr]    |
Dec 01 10:43:42.681 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 01 10:43:42.681 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.681 INFO [stderr] 
Dec 01 10:43:42.681 INFO [stderr] warning: function is never used: `write_to_file`
Dec 01 10:43:42.681 INFO [stderr]    --> src/main.rs:105:1
Dec 01 10:43:42.681 INFO [stderr]     |
Dec 01 10:43:42.681 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 01 10:43:42.681 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.681 INFO [stderr] 
Dec 01 10:43:42.681 INFO [stderr] warning: function is never used: `override_file`
Dec 01 10:43:42.681 INFO [stderr]    --> src/main.rs:110:1
Dec 01 10:43:42.681 INFO [stderr]     |
Dec 01 10:43:42.681 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 01 10:43:42.681 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.681 INFO [stderr] 
Dec 01 10:43:42.682 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 10:43:42.682 INFO [stderr]    --> src/main.rs:107:5
Dec 01 10:43:42.682 INFO [stderr]     |
Dec 01 10:43:42.682 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 01 10:43:42.682 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.682 INFO [stderr]     |
Dec 01 10:43:42.682 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 01 10:43:42.682 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 10:43:42.682 INFO [stderr] 
Dec 01 10:43:42.682 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 10:43:42.682 INFO [stderr]    --> src/main.rs:111:5
Dec 01 10:43:42.682 INFO [stderr]     |
Dec 01 10:43:42.682 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 01 10:43:42.682 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 10:43:42.682 INFO [stderr]     |
Dec 01 10:43:42.682 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 10:43:42.682 INFO [stderr] 
Dec 01 10:43:43.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 01 10:43:43.081 INFO [stderr] su: No module specific data is present
Dec 01 10:43:43.411 INFO running `"docker" "inspect" "97b3702ef45e6d039c25fe7660a49249596f9acd136e31edccca8dd0031c7cb4"`
Dec 01 10:43:43.616 INFO running `"docker" "rm" "-f" "97b3702ef45e6d039c25fe7660a49249596f9acd136e31edccca8dd0031c7cb4"`
Dec 01 10:43:43.716 INFO [stdout] 97b3702ef45e6d039c25fe7660a49249596f9acd136e31edccca8dd0031c7cb4
Dec 01 10:43:43.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 10:43:43.962 INFO [stdout] dd6eab1b9391300da2220c9ea6498618cd799b7a7ea7edb6f59f7946a67f7165
Dec 01 10:43:43.964 INFO running `"docker" "start" "-a" "dd6eab1b9391300da2220c9ea6498618cd799b7a7ea7edb6f59f7946a67f7165"`
Dec 01 10:43:44.459 INFO [stderr] usermod: no changes
Dec 01 10:43:44.498 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 01 10:43:44.499 INFO [stderr]      Running /target/debug/deps/todo-e1564b0addd4dba0
Dec 01 10:43:44.500 INFO [stdout] 
Dec 01 10:43:44.502 INFO [stdout] running 0 tests
Dec 01 10:43:44.502 INFO [stdout] 
Dec 01 10:43:44.502 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 10:43:44.502 INFO [stdout] 
Dec 01 10:43:44.502 INFO [stderr] su: No module specific data is present
Dec 01 10:43:44.917 INFO running `"docker" "inspect" "dd6eab1b9391300da2220c9ea6498618cd799b7a7ea7edb6f59f7946a67f7165"`
Dec 01 10:43:45.153 INFO running `"docker" "rm" "-f" "dd6eab1b9391300da2220c9ea6498618cd799b7a7ea7edb6f59f7946a67f7165"`
Dec 01 10:43:45.447 INFO [stdout] dd6eab1b9391300da2220c9ea6498618cd799b7a7ea7edb6f59f7946a67f7165
