Dec 05 15:55:31.623 INFO testing luki/2do against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 15:55:31.623 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 15:55:32.072 INFO [stdout] 66daa9268643bb8c3c89ce3482b256461e8e9896b78993e67df3949373cc7e7c
Dec 05 15:55:32.074 INFO running `"docker" "start" "-a" "66daa9268643bb8c3c89ce3482b256461e8e9896b78993e67df3949373cc7e7c"`
Dec 05 15:55:33.191 INFO [stderr] usermod: no changes
Dec 05 15:55:33.332 INFO [stderr]    Compiling chrono v0.2.25
Dec 05 15:55:35.575 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 05 15:55:35.953 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:35.953 INFO [stderr]   --> src/main.rs:43:13
Dec 05 15:55:35.953 INFO [stderr]    |
Dec 05 15:55:35.953 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 05 15:55:35.953 INFO [stderr]    |             ----^^^^^^^
Dec 05 15:55:35.953 INFO [stderr]    |             |
Dec 05 15:55:35.953 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:35.953 INFO [stderr]    |
Dec 05 15:55:35.953 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:55:35.953 INFO [stderr] 
Dec 05 15:55:35.953 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:35.953 INFO [stderr]   --> src/main.rs:44:13
Dec 05 15:55:35.953 INFO [stderr]    |
Dec 05 15:55:35.953 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 05 15:55:35.953 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 15:55:35.953 INFO [stderr]    |             |
Dec 05 15:55:35.953 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:35.953 INFO [stderr] 
Dec 05 15:55:35.953 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:35.953 INFO [stderr]   --> src/main.rs:81:9
Dec 05 15:55:35.953 INFO [stderr]    |
Dec 05 15:55:35.953 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 05 15:55:35.953 INFO [stderr]    |         ----^^^^
Dec 05 15:55:35.953 INFO [stderr]    |         |
Dec 05 15:55:35.953 INFO [stderr]    |         help: remove this `mut`
Dec 05 15:55:35.953 INFO [stderr] 
Dec 05 15:55:35.954 INFO [stderr] warning: method is never used: `save_as_file`
Dec 05 15:55:35.954 INFO [stderr]   --> src/main.rs:32:5
Dec 05 15:55:35.954 INFO [stderr]    |
Dec 05 15:55:35.954 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 05 15:55:35.954 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.954 INFO [stderr]    |
Dec 05 15:55:35.954 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 15:55:35.954 INFO [stderr] 
Dec 05 15:55:35.954 INFO [stderr] warning: function is never used: `create_file`
Dec 05 15:55:35.954 INFO [stderr]   --> src/main.rs:80:1
Dec 05 15:55:35.954 INFO [stderr]    |
Dec 05 15:55:35.954 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 05 15:55:35.954 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.954 INFO [stderr] 
Dec 05 15:55:35.954 INFO [stderr] warning: function is never used: `write_to_file`
Dec 05 15:55:35.954 INFO [stderr]    --> src/main.rs:105:1
Dec 05 15:55:35.954 INFO [stderr]     |
Dec 05 15:55:35.954 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 05 15:55:35.954 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.954 INFO [stderr] 
Dec 05 15:55:35.954 INFO [stderr] warning: function is never used: `override_file`
Dec 05 15:55:35.954 INFO [stderr]    --> src/main.rs:110:1
Dec 05 15:55:35.954 INFO [stderr]     |
Dec 05 15:55:35.954 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 05 15:55:35.954 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.954 INFO [stderr] 
Dec 05 15:55:35.965 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:35.965 INFO [stderr]    --> src/main.rs:107:5
Dec 05 15:55:35.965 INFO [stderr]     |
Dec 05 15:55:35.965 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 05 15:55:35.965 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.965 INFO [stderr]     |
Dec 05 15:55:35.965 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:55:35.965 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:35.965 INFO [stderr] 
Dec 05 15:55:35.965 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:35.965 INFO [stderr]    --> src/main.rs:111:5
Dec 05 15:55:35.965 INFO [stderr]     |
Dec 05 15:55:35.965 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 05 15:55:35.965 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:35.965 INFO [stderr]     |
Dec 05 15:55:35.965 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:35.965 INFO [stderr] 
Dec 05 15:55:36.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
Dec 05 15:55:36.367 INFO [stderr] su: No module specific data is present
Dec 05 15:55:36.610 INFO running `"docker" "inspect" "66daa9268643bb8c3c89ce3482b256461e8e9896b78993e67df3949373cc7e7c"`
Dec 05 15:55:36.773 INFO running `"docker" "rm" "-f" "66daa9268643bb8c3c89ce3482b256461e8e9896b78993e67df3949373cc7e7c"`
Dec 05 15:55:36.880 INFO [stdout] 66daa9268643bb8c3c89ce3482b256461e8e9896b78993e67df3949373cc7e7c
Dec 05 15:55:36.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 15:55:37.039 INFO [stdout] 781d5437947419b001f27b663ddb21e84ad0000fb0f6b4457a384479443bf887
Dec 05 15:55:37.046 INFO running `"docker" "start" "-a" "781d5437947419b001f27b663ddb21e84ad0000fb0f6b4457a384479443bf887"`
Dec 05 15:55:37.642 INFO [stderr] usermod: no changes
Dec 05 15:55:37.692 INFO [stderr]    Compiling todo v0.1.0 (/source)
Dec 05 15:55:38.093 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:38.094 INFO [stderr]   --> src/main.rs:43:13
Dec 05 15:55:38.094 INFO [stderr]    |
Dec 05 15:55:38.094 INFO [stderr] 43 |         let mut content = read_from_file(file);
Dec 05 15:55:38.094 INFO [stderr]    |             ----^^^^^^^
Dec 05 15:55:38.094 INFO [stderr]    |             |
Dec 05 15:55:38.094 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:38.094 INFO [stderr]    |
Dec 05 15:55:38.094 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 15:55:38.094 INFO [stderr] 
Dec 05 15:55:38.094 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:38.094 INFO [stderr]   --> src/main.rs:44:13
Dec 05 15:55:38.094 INFO [stderr]    |
Dec 05 15:55:38.094 INFO [stderr] 44 |         let mut content_vec: Vec<&str> = content.split("\n\n").collect();
Dec 05 15:55:38.094 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 15:55:38.094 INFO [stderr]    |             |
Dec 05 15:55:38.094 INFO [stderr]    |             help: remove this `mut`
Dec 05 15:55:38.094 INFO [stderr] 
Dec 05 15:55:38.094 INFO [stderr] warning: variable does not need to be mutable
Dec 05 15:55:38.094 INFO [stderr]   --> src/main.rs:81:9
Dec 05 15:55:38.094 INFO [stderr]    |
Dec 05 15:55:38.094 INFO [stderr] 81 |     let mut file = match File::create(format!("{}.{}", file_name, file_extension)) {
Dec 05 15:55:38.094 INFO [stderr]    |         ----^^^^
Dec 05 15:55:38.094 INFO [stderr]    |         |
Dec 05 15:55:38.094 INFO [stderr]    |         help: remove this `mut`
Dec 05 15:55:38.094 INFO [stderr] 
Dec 05 15:55:38.100 INFO [stderr] warning: method is never used: `save_as_file`
Dec 05 15:55:38.100 INFO [stderr]   --> src/main.rs:32:5
Dec 05 15:55:38.100 INFO [stderr]    |
Dec 05 15:55:38.100 INFO [stderr] 32 |     fn save_as_file(&self) {
Dec 05 15:55:38.100 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.100 INFO [stderr]    |
Dec 05 15:55:38.100 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 15:55:38.100 INFO [stderr] 
Dec 05 15:55:38.100 INFO [stderr] warning: function is never used: `create_file`
Dec 05 15:55:38.100 INFO [stderr]   --> src/main.rs:80:1
Dec 05 15:55:38.100 INFO [stderr]    |
Dec 05 15:55:38.101 INFO [stderr] 80 | fn create_file(file_name: &str, file_extension: &str) -> File {
Dec 05 15:55:38.101 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.101 INFO [stderr] 
Dec 05 15:55:38.101 INFO [stderr] warning: function is never used: `write_to_file`
Dec 05 15:55:38.101 INFO [stderr]    --> src/main.rs:105:1
Dec 05 15:55:38.101 INFO [stderr]     |
Dec 05 15:55:38.101 INFO [stderr] 105 | fn write_to_file(file: &mut File, content: &str) {
Dec 05 15:55:38.101 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.101 INFO [stderr] 
Dec 05 15:55:38.101 INFO [stderr] warning: function is never used: `override_file`
Dec 05 15:55:38.101 INFO [stderr]    --> src/main.rs:110:1
Dec 05 15:55:38.101 INFO [stderr]     |
Dec 05 15:55:38.101 INFO [stderr] 110 | fn override_file(file: &mut File, content: &str) {
Dec 05 15:55:38.101 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.101 INFO [stderr] 
Dec 05 15:55:38.110 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:38.110 INFO [stderr]    --> src/main.rs:107:5
Dec 05 15:55:38.110 INFO [stderr]     |
Dec 05 15:55:38.110 INFO [stderr] 107 |     file.write_all(content.as_bytes());
Dec 05 15:55:38.110 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.110 INFO [stderr]     |
Dec 05 15:55:38.110 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 15:55:38.110 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:38.110 INFO [stderr] 
Dec 05 15:55:38.110 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 15:55:38.110 INFO [stderr]    --> src/main.rs:111:5
Dec 05 15:55:38.110 INFO [stderr]     |
Dec 05 15:55:38.110 INFO [stderr] 111 |     file.write_all(content.as_bytes());
Dec 05 15:55:38.110 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 15:55:38.110 INFO [stderr]     |
Dec 05 15:55:38.110 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 15:55:38.110 INFO [stderr] 
Dec 05 15:55:38.342 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 05 15:55:38.345 INFO [stderr] su: No module specific data is present
Dec 05 15:55:38.566 INFO running `"docker" "inspect" "781d5437947419b001f27b663ddb21e84ad0000fb0f6b4457a384479443bf887"`
Dec 05 15:55:38.638 INFO running `"docker" "rm" "-f" "781d5437947419b001f27b663ddb21e84ad0000fb0f6b4457a384479443bf887"`
Dec 05 15:55:38.709 INFO [stdout] 781d5437947419b001f27b663ddb21e84ad0000fb0f6b4457a384479443bf887
Dec 05 15:55:38.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 15:55:38.962 INFO [stdout] 485533e57545281673711706a0e8e5f715c28da325b891383d867e2b64ae1558
Dec 05 15:55:38.966 INFO running `"docker" "start" "-a" "485533e57545281673711706a0e8e5f715c28da325b891383d867e2b64ae1558"`
Dec 05 15:55:39.487 INFO [stderr] usermod: no changes
Dec 05 15:55:39.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 15:55:39.526 INFO [stderr]      Running /target/debug/deps/todo-f7d334bf01814e67
Dec 05 15:55:39.527 INFO [stdout] 
Dec 05 15:55:39.528 INFO [stdout] running 0 tests
Dec 05 15:55:39.528 INFO [stdout] 
Dec 05 15:55:39.528 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 15:55:39.528 INFO [stdout] 
Dec 05 15:55:39.530 INFO [stderr] su: No module specific data is present
Dec 05 15:55:39.822 INFO running `"docker" "inspect" "485533e57545281673711706a0e8e5f715c28da325b891383d867e2b64ae1558"`
Dec 05 15:55:39.918 INFO running `"docker" "rm" "-f" "485533e57545281673711706a0e8e5f715c28da325b891383d867e2b64ae1558"`
Dec 05 15:55:40.127 INFO [stdout] 485533e57545281673711706a0e8e5f715c28da325b891383d867e2b64ae1558