Nov 16 20:53:46.978 INFO testing luki/2do against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 20:53:46.980 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 16 20:53:47.379 INFO [stdout] e6d86043ee5055bcbdf40535a7fd9f3dda01f8b66b58958b481cdf76fb309288
Nov 16 20:53:47.383 INFO running `"docker" "start" "-a" "e6d86043ee5055bcbdf40535a7fd9f3dda01f8b66b58958b481cdf76fb309288"`
Nov 16 20:53:48.469 INFO [stderr] usermod: no changes
Nov 16 20:53:48.557 INFO [stderr]    Compiling chrono v0.2.25
Nov 16 20:53:51.407 INFO [stderr]    Compiling todo v0.1.0 (/source)
Nov 16 20:53:51.845 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:51.845 INFO [stderr]   --> src/main.rs:43:13
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 16 20:53:51.845 INFO [stderr]    |             ----^^^^^^^
Nov 16 20:53:51.845 INFO [stderr]    |             |
Nov 16 20:53:51.845 INFO [stderr]    |             help: remove this `mut`
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:51.845 INFO [stderr]   --> src/main.rs:44:13
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 16 20:53:51.845 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 16 20:53:51.845 INFO [stderr]    |             |
Nov 16 20:53:51.845 INFO [stderr]    |             help: remove this `mut`
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:51.845 INFO [stderr]   --> src/main.rs:81:9
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 16 20:53:51.845 INFO [stderr]    |         ----^^^^
Nov 16 20:53:51.845 INFO [stderr]    |         |
Nov 16 20:53:51.845 INFO [stderr]    |         help: remove this `mut`
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: method is never used: `save_as_file`
Nov 16 20:53:51.845 INFO [stderr]   --> src/main.rs:32:5
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 16 20:53:51.845 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: function is never used: `create_file`
Nov 16 20:53:51.845 INFO [stderr]   --> src/main.rs:80:1
Nov 16 20:53:51.845 INFO [stderr]    |
Nov 16 20:53:51.845 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 16 20:53:51.845 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: function is never used: `write_to_file`
Nov 16 20:53:51.845 INFO [stderr]    --> src/main.rs:105:1
Nov 16 20:53:51.845 INFO [stderr]     |
Nov 16 20:53:51.845 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 16 20:53:51.845 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.845 INFO [stderr] warning: function is never used: `override_file`
Nov 16 20:53:51.845 INFO [stderr]    --> src/main.rs:110:1
Nov 16 20:53:51.845 INFO [stderr]     |
Nov 16 20:53:51.845 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 16 20:53:51.845 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.845 INFO [stderr] 
Nov 16 20:53:51.859 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:53:51.859 INFO [stderr]    --> src/main.rs:107:5
Nov 16 20:53:51.860 INFO [stderr]     |
Nov 16 20:53:51.860 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 16 20:53:51.860 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.860 INFO [stderr]     |
Nov 16 20:53:51.860 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 20:53:51.860 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:53:51.860 INFO [stderr] 
Nov 16 20:53:51.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:53:51.861 INFO [stderr]    --> src/main.rs:111:5
Nov 16 20:53:51.861 INFO [stderr]     |
Nov 16 20:53:51.861 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 16 20:53:51.861 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:51.861 INFO [stderr]     |
Nov 16 20:53:51.862 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:53:51.862 INFO [stderr] 
Nov 16 20:53:52.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
Nov 16 20:53:52.588 INFO [stderr] su: No module specific data is present
Nov 16 20:53:53.315 INFO running `"docker" "inspect" "e6d86043ee5055bcbdf40535a7fd9f3dda01f8b66b58958b481cdf76fb309288"`
Nov 16 20:53:53.607 INFO running `"docker" "rm" "-f" "e6d86043ee5055bcbdf40535a7fd9f3dda01f8b66b58958b481cdf76fb309288"`
Nov 16 20:53:53.880 INFO [stdout] e6d86043ee5055bcbdf40535a7fd9f3dda01f8b66b58958b481cdf76fb309288
Nov 16 20:53:53.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 16 20:53:54.365 INFO [stdout] 772d18301b754db38d60b595c1536b88036bc91bddf9b5855c2a3f2447db7a45
Nov 16 20:53:54.368 INFO running `"docker" "start" "-a" "772d18301b754db38d60b595c1536b88036bc91bddf9b5855c2a3f2447db7a45"`
Nov 16 20:53:55.306 INFO [stderr] usermod: no changes
Nov 16 20:53:55.343 INFO [stderr]    Compiling todo v0.1.0 (/source)
Nov 16 20:53:55.623 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:55.623 INFO [stderr]   --> src/main.rs:43:13
Nov 16 20:53:55.623 INFO [stderr]    |
Nov 16 20:53:55.623 INFO [stderr] 43 |         let mut content = read_from_file(file);
Nov 16 20:53:55.623 INFO [stderr]    |             ----^^^^^^^
Nov 16 20:53:55.623 INFO [stderr]    |             |
Nov 16 20:53:55.623 INFO [stderr]    |             help: remove this `mut`
Nov 16 20:53:55.623 INFO [stderr]    |
Nov 16 20:53:55.623 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 20:53:55.623 INFO [stderr] 
Nov 16 20:53:55.623 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:55.623 INFO [stderr]   --> src/main.rs:44:13
Nov 16 20:53:55.623 INFO [stderr]    |
Nov 16 20:53:55.623 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Nov 16 20:53:55.623 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 16 20:53:55.623 INFO [stderr]    |             |
Nov 16 20:53:55.623 INFO [stderr]    |             help: remove this `mut`
Nov 16 20:53:55.623 INFO [stderr] 
Nov 16 20:53:55.625 INFO [stderr] warning: variable does not need to be mutable
Nov 16 20:53:55.625 INFO [stderr]   --> src/main.rs:81:9
Nov 16 20:53:55.625 INFO [stderr]    |
Nov 16 20:53:55.625 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Nov 16 20:53:55.625 INFO [stderr]    |         ----^^^^
Nov 16 20:53:55.625 INFO [stderr]    |         |
Nov 16 20:53:55.625 INFO [stderr]    |         help: remove this `mut`
Nov 16 20:53:55.625 INFO [stderr] 
Nov 16 20:53:55.629 INFO [stderr] warning: method is never used: `save_as_file`
Nov 16 20:53:55.629 INFO [stderr]   --> src/main.rs:32:5
Nov 16 20:53:55.629 INFO [stderr]    |
Nov 16 20:53:55.629 INFO [stderr] 32 |     fn save_as_file(&self) {
Nov 16 20:53:55.629 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.629 INFO [stderr]    |
Nov 16 20:53:55.629 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 20:53:55.629 INFO [stderr] 
Nov 16 20:53:55.629 INFO [stderr] warning: function is never used: `create_file`
Nov 16 20:53:55.629 INFO [stderr]   --> src/main.rs:80:1
Nov 16 20:53:55.629 INFO [stderr]    |
Nov 16 20:53:55.629 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Nov 16 20:53:55.629 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.629 INFO [stderr] 
Nov 16 20:53:55.629 INFO [stderr] warning: function is never used: `write_to_file`
Nov 16 20:53:55.629 INFO [stderr]    --> src/main.rs:105:1
Nov 16 20:53:55.629 INFO [stderr]     |
Nov 16 20:53:55.629 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Nov 16 20:53:55.629 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.629 INFO [stderr] 
Nov 16 20:53:55.629 INFO [stderr] warning: function is never used: `override_file`
Nov 16 20:53:55.629 INFO [stderr]    --> src/main.rs:110:1
Nov 16 20:53:55.629 INFO [stderr]     |
Nov 16 20:53:55.629 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Nov 16 20:53:55.629 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.629 INFO [stderr] 
Nov 16 20:53:55.638 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:53:55.638 INFO [stderr]    --> src/main.rs:107:5
Nov 16 20:53:55.638 INFO [stderr]     |
Nov 16 20:53:55.638 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Nov 16 20:53:55.638 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.638 INFO [stderr]     |
Nov 16 20:53:55.638 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 20:53:55.638 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:53:55.638 INFO [stderr] 
Nov 16 20:53:55.638 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 20:53:55.638 INFO [stderr]    --> src/main.rs:111:5
Nov 16 20:53:55.638 INFO [stderr]     |
Nov 16 20:53:55.638 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Nov 16 20:53:55.638 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 20:53:55.638 INFO [stderr]     |
Nov 16 20:53:55.638 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 20:53:55.638 INFO [stderr] 
Nov 16 20:53:55.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Nov 16 20:53:55.818 INFO [stderr] su: No module specific data is present
Nov 16 20:53:56.101 INFO running `"docker" "inspect" "772d18301b754db38d60b595c1536b88036bc91bddf9b5855c2a3f2447db7a45"`
Nov 16 20:53:56.179 INFO running `"docker" "rm" "-f" "772d18301b754db38d60b595c1536b88036bc91bddf9b5855c2a3f2447db7a45"`
Nov 16 20:53:56.265 INFO [stdout] 772d18301b754db38d60b595c1536b88036bc91bddf9b5855c2a3f2447db7a45
Nov 16 20:53:56.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 16 20:53:56.430 INFO [stdout] 17e3017c70412ebd5a927f49a0b4651902e1c34c9fbc16f169a948c4557dc016
Nov 16 20:53:56.432 INFO running `"docker" "start" "-a" "17e3017c70412ebd5a927f49a0b4651902e1c34c9fbc16f169a948c4557dc016"`
Nov 16 20:53:56.842 INFO [stderr] usermod: no changes
Nov 16 20:53:56.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 20:53:56.885 INFO [stderr]      Running /target/debug/deps/todo-3311842c2f9cb3be
Nov 16 20:53:56.887 INFO [stdout] 
Nov 16 20:53:56.887 INFO [stdout] running 0 tests
Nov 16 20:53:56.887 INFO [stdout] 
Nov 16 20:53:56.887 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 20:53:56.887 INFO [stdout] 
Nov 16 20:53:56.889 INFO [stderr] su: No module specific data is present
Nov 16 20:53:57.276 INFO running `"docker" "inspect" "17e3017c70412ebd5a927f49a0b4651902e1c34c9fbc16f169a948c4557dc016"`
Nov 16 20:53:57.365 INFO running `"docker" "rm" "-f" "17e3017c70412ebd5a927f49a0b4651902e1c34c9fbc16f169a948c4557dc016"`
Nov 16 20:53:57.468 INFO [stdout] 17e3017c70412ebd5a927f49a0b4651902e1c34c9fbc16f169a948c4557dc016