Dec 14 03:00:20.087 INFO testing ammongit/markov-music against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 14 03:00:20.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 03:00:20.921 INFO [stdout] 30761c07e702a9f9213c9d880986a0bb0da88451831f7dda77b83b869aff7e2e Dec 14 03:00:20.923 INFO running `"docker" "start" "-a" "30761c07e702a9f9213c9d880986a0bb0da88451831f7dda77b83b869aff7e2e"` Dec 14 03:00:22.799 INFO [stderr] usermod: no changes Dec 14 03:00:22.985 INFO [stderr] Compiling term_size v0.3.0 Dec 14 03:00:22.985 INFO [stderr] Compiling atty v0.2.2 Dec 14 03:00:22.985 INFO [stderr] Compiling thread-id v3.2.0 Dec 14 03:00:22.985 INFO [stderr] Compiling mpd v0.0.12 Dec 14 03:00:22.985 INFO [stderr] Compiling serde_derive_internals v0.19.0 Dec 14 03:00:22.985 INFO [stderr] Compiling diesel_derives v1.1.0 Dec 14 03:00:24.094 INFO [stderr] Compiling simple-logging v2.0.1 Dec 14 03:00:24.735 INFO [stderr] Compiling textwrap v0.7.0 Dec 14 03:00:28.793 INFO [stderr] Compiling clap v2.26.0 Dec 14 03:00:30.740 INFO [stderr] Compiling serde_derive v1.0.27 Dec 14 03:00:35.747 INFO [stderr] Compiling diesel v1.1.1 Dec 14 03:00:43.743 INFO [stderr] Compiling serde v1.0.11 Dec 14 03:01:01.424 INFO [stderr] Compiling toml v0.4.4 Dec 14 03:01:06.262 INFO [stderr] Compiling markov-music v0.1.0 (/source) Dec 14 03:01:07.745 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. Dec 14 03:01:07.745 INFO [stderr] --> src/utils.rs:25:40 Dec 14 03:01:07.745 INFO [stderr] | Dec 14 03:01:07.745 INFO [stderr] 25 | pub static ref HOME_DIR: PathBuf = env::home_dir().expect("Unable to get home directory"); Dec 14 03:01:07.745 INFO [stderr] | ^^^^^^^^^^^^^ Dec 14 03:01:07.745 INFO [stderr] | Dec 14 03:01:07.745 INFO [stderr] = note: #[warn(deprecated)] on by default Dec 14 03:01:07.745 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: function is never used: `random_key` Dec 14 03:01:08.192 INFO [stderr] --> src/choose.rs:29:1 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 29 | pub fn random_key<'a, K: Eq + Hash, V>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: function is never used: `roulette_wheel` Dec 14 03:01:08.192 INFO [stderr] --> src/choose.rs:34:1 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 34 | pub fn roulette_wheel<'a, K: Eq + Hash>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `modify_weight` Dec 14 03:01:08.192 INFO [stderr] --> src/markov.rs:47:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 47 | pub fn modify_weight(&mut self, prev: T, next: T, diff: f32) { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `clear` Dec 14 03:01:08.192 INFO [stderr] --> src/markov.rs:55:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 55 | / pub fn clear(&mut self, item: &U) Dec 14 03:01:08.192 INFO [stderr] 56 | | where U: Borrow, Dec 14 03:01:08.192 INFO [stderr] 57 | | U: ?Sized, Dec 14 03:01:08.192 INFO [stderr] 58 | | { Dec 14 03:01:08.192 INFO [stderr] ... | Dec 14 03:01:08.192 INFO [stderr] 61 | | } Dec 14 03:01:08.192 INFO [stderr] 62 | | } Dec 14 03:01:08.192 INFO [stderr] | |_____^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `start` Dec 14 03:01:08.192 INFO [stderr] --> src/markov.rs:64:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 64 | pub fn start(&self, rng: &mut Rng) -> Option<&T> { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `next` Dec 14 03:01:08.192 INFO [stderr] --> src/markov.rs:68:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 68 | / pub fn next(&self, current: &U, rng: &mut Rng) -> Option<&T> Dec 14 03:01:08.192 INFO [stderr] 69 | | where U: Borrow, Dec 14 03:01:08.192 INFO [stderr] 70 | | U: ?Sized, Dec 14 03:01:08.192 INFO [stderr] 71 | | { Dec 14 03:01:08.192 INFO [stderr] ... | Dec 14 03:01:08.192 INFO [stderr] 75 | | } Dec 14 03:01:08.192 INFO [stderr] 76 | | } Dec 14 03:01:08.192 INFO [stderr] | |_____^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `possible_next` Dec 14 03:01:08.192 INFO [stderr] --> src/markov.rs:78:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 78 | / pub fn possible_next(&self, current: &U) -> Option<&HashMap> Dec 14 03:01:08.192 INFO [stderr] 79 | | where U: Borrow, Dec 14 03:01:08.192 INFO [stderr] 80 | | U: ?Sized, Dec 14 03:01:08.192 INFO [stderr] 81 | | { Dec 14 03:01:08.192 INFO [stderr] 82 | | self.assocs.get(current.borrow()) Dec 14 03:01:08.192 INFO [stderr] 83 | | } Dec 14 03:01:08.192 INFO [stderr] | |_____^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: function is never used: `split_cmd` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:28:1 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 28 | fn split_cmd(command: &mut str) -> (&mut str, &mut str) { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: struct is never constructed: `SocketServer` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:36:1 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 36 | pub struct SocketServer { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `bind` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:41:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 41 | pub fn bind(config: &DaemonConfig) -> Result { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `wait` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:47:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 47 | pub fn wait(&self) -> Result<()> { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `respond` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:58:5 Dec 14 03:01:08.192 INFO [stderr] | Dec 14 03:01:08.192 INFO [stderr] 58 | fn respond(&self, command: &mut str) -> Result<&'static str> { Dec 14 03:01:08.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.192 INFO [stderr] Dec 14 03:01:08.192 INFO [stderr] warning: method is never used: `set_recommend` Dec 14 03:01:08.192 INFO [stderr] --> src/socket.rs:72:5 Dec 14 03:01:08.193 INFO [stderr] | Dec 14 03:01:08.193 INFO [stderr] 72 | fn set_recommend(&self, arg: &mut str) -> &'static str { Dec 14 03:01:08.193 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.193 INFO [stderr] Dec 14 03:01:08.193 INFO [stderr] warning: function is never used: `empty_mut_str` Dec 14 03:01:08.193 INFO [stderr] --> src/utils.rs:29:1 Dec 14 03:01:08.193 INFO [stderr] | Dec 14 03:01:08.193 INFO [stderr] 29 | pub fn empty_mut_str() -> &'static mut str { Dec 14 03:01:08.193 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.193 INFO [stderr] Dec 14 03:01:08.193 INFO [stderr] warning: function is never used: `sigmoid` Dec 14 03:01:08.193 INFO [stderr] --> src/utils.rs:34:1 Dec 14 03:01:08.193 INFO [stderr] | Dec 14 03:01:08.193 INFO [stderr] 34 | pub fn sigmoid(n: f32) -> f32 { Dec 14 03:01:08.193 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:08.193 INFO [stderr] Dec 14 03:01:10.020 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.19s Dec 14 03:01:10.023 INFO [stderr] su: No module specific data is present Dec 14 03:01:10.571 INFO running `"docker" "inspect" "30761c07e702a9f9213c9d880986a0bb0da88451831f7dda77b83b869aff7e2e"` Dec 14 03:01:10.793 INFO running `"docker" "rm" "-f" "30761c07e702a9f9213c9d880986a0bb0da88451831f7dda77b83b869aff7e2e"` Dec 14 03:01:10.928 INFO [stdout] 30761c07e702a9f9213c9d880986a0bb0da88451831f7dda77b83b869aff7e2e Dec 14 03:01:10.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 03:01:11.135 INFO [stdout] c6049423b1082cded62b9126b9e5fe1e55fdb597f1d7fe3221759c4758306a20 Dec 14 03:01:11.139 INFO running `"docker" "start" "-a" "c6049423b1082cded62b9126b9e5fe1e55fdb597f1d7fe3221759c4758306a20"` Dec 14 03:01:11.646 INFO [stderr] usermod: no changes Dec 14 03:01:11.718 INFO [stderr] Compiling markov-music v0.1.0 (/source) Dec 14 03:01:13.338 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. Dec 14 03:01:13.338 INFO [stderr] --> src/utils.rs:25:40 Dec 14 03:01:13.338 INFO [stderr] | Dec 14 03:01:13.338 INFO [stderr] 25 | pub static ref HOME_DIR: PathBuf = env::home_dir().expect("Unable to get home directory"); Dec 14 03:01:13.338 INFO [stderr] | ^^^^^^^^^^^^^ Dec 14 03:01:13.338 INFO [stderr] | Dec 14 03:01:13.339 INFO [stderr] = note: #[warn(deprecated)] on by default Dec 14 03:01:13.339 INFO [stderr] Dec 14 03:01:13.750 INFO [stderr] warning: function is never used: `random_key` Dec 14 03:01:13.750 INFO [stderr] --> src/choose.rs:29:1 Dec 14 03:01:13.750 INFO [stderr] | Dec 14 03:01:13.750 INFO [stderr] 29 | pub fn random_key<'a, K: Eq + Hash, V>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Dec 14 03:01:13.750 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.750 INFO [stderr] | Dec 14 03:01:13.750 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 14 03:01:13.750 INFO [stderr] Dec 14 03:01:13.750 INFO [stderr] warning: function is never used: `roulette_wheel` Dec 14 03:01:13.750 INFO [stderr] --> src/choose.rs:34:1 Dec 14 03:01:13.750 INFO [stderr] | Dec 14 03:01:13.750 INFO [stderr] 34 | pub fn roulette_wheel<'a, K: Eq + Hash>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Dec 14 03:01:13.750 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.750 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `modify_weight` Dec 14 03:01:13.751 INFO [stderr] --> src/markov.rs:47:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 47 | pub fn modify_weight(&mut self, prev: T, next: T, diff: f32) { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `clear` Dec 14 03:01:13.751 INFO [stderr] --> src/markov.rs:55:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 55 | / pub fn clear(&mut self, item: &U) Dec 14 03:01:13.751 INFO [stderr] 56 | | where U: Borrow, Dec 14 03:01:13.751 INFO [stderr] 57 | | U: ?Sized, Dec 14 03:01:13.751 INFO [stderr] 58 | | { Dec 14 03:01:13.751 INFO [stderr] ... | Dec 14 03:01:13.751 INFO [stderr] 61 | | } Dec 14 03:01:13.751 INFO [stderr] 62 | | } Dec 14 03:01:13.751 INFO [stderr] | |_____^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `start` Dec 14 03:01:13.751 INFO [stderr] --> src/markov.rs:64:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 64 | pub fn start(&self, rng: &mut Rng) -> Option<&T> { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `next` Dec 14 03:01:13.751 INFO [stderr] --> src/markov.rs:68:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 68 | / pub fn next(&self, current: &U, rng: &mut Rng) -> Option<&T> Dec 14 03:01:13.751 INFO [stderr] 69 | | where U: Borrow, Dec 14 03:01:13.751 INFO [stderr] 70 | | U: ?Sized, Dec 14 03:01:13.751 INFO [stderr] 71 | | { Dec 14 03:01:13.751 INFO [stderr] ... | Dec 14 03:01:13.751 INFO [stderr] 75 | | } Dec 14 03:01:13.751 INFO [stderr] 76 | | } Dec 14 03:01:13.751 INFO [stderr] | |_____^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `possible_next` Dec 14 03:01:13.751 INFO [stderr] --> src/markov.rs:78:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 78 | / pub fn possible_next(&self, current: &U) -> Option<&HashMap> Dec 14 03:01:13.751 INFO [stderr] 79 | | where U: Borrow, Dec 14 03:01:13.751 INFO [stderr] 80 | | U: ?Sized, Dec 14 03:01:13.751 INFO [stderr] 81 | | { Dec 14 03:01:13.751 INFO [stderr] 82 | | self.assocs.get(current.borrow()) Dec 14 03:01:13.751 INFO [stderr] 83 | | } Dec 14 03:01:13.751 INFO [stderr] | |_____^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: function is never used: `split_cmd` Dec 14 03:01:13.751 INFO [stderr] --> src/socket.rs:28:1 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 28 | fn split_cmd(command: &mut str) -> (&mut str, &mut str) { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: struct is never constructed: `SocketServer` Dec 14 03:01:13.751 INFO [stderr] --> src/socket.rs:36:1 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 36 | pub struct SocketServer { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `bind` Dec 14 03:01:13.751 INFO [stderr] --> src/socket.rs:41:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 41 | pub fn bind(config: &DaemonConfig) -> Result { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `wait` Dec 14 03:01:13.751 INFO [stderr] --> src/socket.rs:47:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 47 | pub fn wait(&self) -> Result<()> { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `respond` Dec 14 03:01:13.751 INFO [stderr] --> src/socket.rs:58:5 Dec 14 03:01:13.751 INFO [stderr] | Dec 14 03:01:13.751 INFO [stderr] 58 | fn respond(&self, command: &mut str) -> Result<&'static str> { Dec 14 03:01:13.751 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.751 INFO [stderr] Dec 14 03:01:13.751 INFO [stderr] warning: method is never used: `set_recommend` Dec 14 03:01:13.752 INFO [stderr] --> src/socket.rs:72:5 Dec 14 03:01:13.752 INFO [stderr] | Dec 14 03:01:13.752 INFO [stderr] 72 | fn set_recommend(&self, arg: &mut str) -> &'static str { Dec 14 03:01:13.752 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.752 INFO [stderr] Dec 14 03:01:13.752 INFO [stderr] warning: function is never used: `empty_mut_str` Dec 14 03:01:13.752 INFO [stderr] --> src/utils.rs:29:1 Dec 14 03:01:13.752 INFO [stderr] | Dec 14 03:01:13.752 INFO [stderr] 29 | pub fn empty_mut_str() -> &'static mut str { Dec 14 03:01:13.752 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.752 INFO [stderr] Dec 14 03:01:13.752 INFO [stderr] warning: function is never used: `sigmoid` Dec 14 03:01:13.752 INFO [stderr] --> src/utils.rs:34:1 Dec 14 03:01:13.752 INFO [stderr] | Dec 14 03:01:13.752 INFO [stderr] 34 | pub fn sigmoid(n: f32) -> f32 { Dec 14 03:01:13.752 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 14 03:01:13.752 INFO [stderr] Dec 14 03:01:13.997 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.33s Dec 14 03:01:14.012 INFO [stderr] su: No module specific data is present Dec 14 03:01:19.033 INFO running `"docker" "inspect" "c6049423b1082cded62b9126b9e5fe1e55fdb597f1d7fe3221759c4758306a20"` Dec 14 03:01:19.253 INFO running `"docker" "rm" "-f" "c6049423b1082cded62b9126b9e5fe1e55fdb597f1d7fe3221759c4758306a20"` Dec 14 03:01:19.579 INFO [stdout] c6049423b1082cded62b9126b9e5fe1e55fdb597f1d7fe3221759c4758306a20 Dec 14 03:01:19.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 03:01:20.694 INFO [stdout] edb4656dec9afeb4230c14fd5abf9ef834424351c2af05d8fbd39873362d5887 Dec 14 03:01:20.696 INFO running `"docker" "start" "-a" "edb4656dec9afeb4230c14fd5abf9ef834424351c2af05d8fbd39873362d5887"` Dec 14 03:01:21.215 INFO [stderr] usermod: no changes Dec 14 03:01:21.291 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s Dec 14 03:01:21.291 INFO [stderr] Running /target/debug/deps/markov_music-59d1f9ee4359b7a8 Dec 14 03:01:21.291 INFO [stdout] Dec 14 03:01:21.292 INFO [stdout] running 0 tests Dec 14 03:01:21.292 INFO [stdout] Dec 14 03:01:21.292 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 14 03:01:21.292 INFO [stdout] Dec 14 03:01:21.292 INFO [stderr] su: No module specific data is present Dec 14 03:01:36.879 INFO running `"docker" "inspect" "edb4656dec9afeb4230c14fd5abf9ef834424351c2af05d8fbd39873362d5887"` Dec 14 03:01:36.926 INFO running `"docker" "rm" "-f" "edb4656dec9afeb4230c14fd5abf9ef834424351c2af05d8fbd39873362d5887"` Dec 14 03:01:41.279 INFO [stdout] edb4656dec9afeb4230c14fd5abf9ef834424351c2af05d8fbd39873362d5887