Nov 17 09:29:35.872 INFO testing ammongit/markov-music against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982 Nov 17 09:29:35.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 09:29:36.285 INFO [stdout] f94bda823afdae47c314c8461cf130c6462862d8dac8e063c806efa559a36a46 Nov 17 09:29:36.295 INFO running `"docker" "start" "-a" "f94bda823afdae47c314c8461cf130c6462862d8dac8e063c806efa559a36a46"` Nov 17 09:29:37.655 INFO [stderr] usermod: no changes Nov 17 09:29:37.863 INFO [stderr] Compiling term_size v0.3.0 Nov 17 09:29:37.867 INFO [stderr] Compiling thread-id v3.2.0 Nov 17 09:29:37.867 INFO [stderr] Compiling atty v0.2.2 Nov 17 09:29:37.868 INFO [stderr] Compiling syn v0.11.11 Nov 17 09:29:37.879 INFO [stderr] Compiling mpd v0.0.12 Nov 17 09:29:39.391 INFO [stderr] Compiling simple-logging v2.0.1 Nov 17 09:29:39.531 INFO [stderr] Compiling textwrap v0.7.0 Nov 17 09:29:42.461 INFO [stderr] Compiling clap v2.26.0 Nov 17 09:29:50.426 INFO [stderr] Compiling serde_derive_internals v0.19.0 Nov 17 09:29:50.428 INFO [stderr] Compiling diesel_derives v1.1.0 Nov 17 09:29:54.359 INFO [stderr] Compiling serde_derive v1.0.27 Nov 17 09:29:58.879 INFO [stderr] Compiling diesel v1.1.1 Nov 17 09:30:06.043 INFO [stderr] Compiling serde v1.0.11 Nov 17 09:30:23.540 INFO [stderr] Compiling toml v0.4.4 Nov 17 09:30:29.599 INFO [stderr] Compiling markov-music v0.1.0 (/source) Nov 17 09:30:31.138 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. Nov 17 09:30:31.138 INFO [stderr] --> src/utils.rs:25:40 Nov 17 09:30:31.138 INFO [stderr] | Nov 17 09:30:31.138 INFO [stderr] 25 | pub static ref HOME_DIR: PathBuf = env::home_dir().expect("Unable to get home directory"); Nov 17 09:30:31.138 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 09:30:31.138 INFO [stderr] | Nov 17 09:30:31.138 INFO [stderr] = note: #[warn(deprecated)] on by default Nov 17 09:30:31.138 INFO [stderr] Nov 17 09:30:31.599 INFO [stderr] warning: function is never used: `random_key` Nov 17 09:30:31.599 INFO [stderr] --> src/choose.rs:29:1 Nov 17 09:30:31.599 INFO [stderr] | Nov 17 09:30:31.599 INFO [stderr] 29 | pub fn random_key<'a, K: Eq + Hash, V>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Nov 17 09:30:31.599 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.599 INFO [stderr] | Nov 17 09:30:31.599 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 09:30:31.599 INFO [stderr] Nov 17 09:30:31.599 INFO [stderr] warning: function is never used: `roulette_wheel` Nov 17 09:30:31.599 INFO [stderr] --> src/choose.rs:34:1 Nov 17 09:30:31.599 INFO [stderr] | Nov 17 09:30:31.599 INFO [stderr] 34 | pub fn roulette_wheel<'a, K: Eq + Hash>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Nov 17 09:30:31.599 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.599 INFO [stderr] Nov 17 09:30:31.600 INFO [stderr] warning: method is never used: `modify_weight` Nov 17 09:30:31.600 INFO [stderr] --> src/markov.rs:47:5 Nov 17 09:30:31.600 INFO [stderr] | Nov 17 09:30:31.600 INFO [stderr] 47 | pub fn modify_weight(&mut self, prev: T, next: T, diff: f32) { Nov 17 09:30:31.600 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.600 INFO [stderr] Nov 17 09:30:31.600 INFO [stderr] warning: method is never used: `clear` Nov 17 09:30:31.600 INFO [stderr] --> src/markov.rs:55:5 Nov 17 09:30:31.600 INFO [stderr] | Nov 17 09:30:31.600 INFO [stderr] 55 | / pub fn clear(&mut self, item: &U) Nov 17 09:30:31.600 INFO [stderr] 56 | | where U: Borrow, Nov 17 09:30:31.600 INFO [stderr] 57 | | U: ?Sized, Nov 17 09:30:31.600 INFO [stderr] 58 | | { Nov 17 09:30:31.600 INFO [stderr] ... | Nov 17 09:30:31.600 INFO [stderr] 61 | | } Nov 17 09:30:31.600 INFO [stderr] 62 | | } Nov 17 09:30:31.600 INFO [stderr] | |_____^ Nov 17 09:30:31.600 INFO [stderr] Nov 17 09:30:31.600 INFO [stderr] warning: method is never used: `start` Nov 17 09:30:31.601 INFO [stderr] --> src/markov.rs:64:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 64 | pub fn start(&self, rng: &mut Rng) -> Option<&T> { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `next` Nov 17 09:30:31.601 INFO [stderr] --> src/markov.rs:68:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 68 | / pub fn next(&self, current: &U, rng: &mut Rng) -> Option<&T> Nov 17 09:30:31.601 INFO [stderr] 69 | | where U: Borrow, Nov 17 09:30:31.601 INFO [stderr] 70 | | U: ?Sized, Nov 17 09:30:31.601 INFO [stderr] 71 | | { Nov 17 09:30:31.601 INFO [stderr] ... | Nov 17 09:30:31.601 INFO [stderr] 75 | | } Nov 17 09:30:31.601 INFO [stderr] 76 | | } Nov 17 09:30:31.601 INFO [stderr] | |_____^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `possible_next` Nov 17 09:30:31.601 INFO [stderr] --> src/markov.rs:78:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 78 | / pub fn possible_next(&self, current: &U) -> Option<&HashMap> Nov 17 09:30:31.601 INFO [stderr] 79 | | where U: Borrow, Nov 17 09:30:31.601 INFO [stderr] 80 | | U: ?Sized, Nov 17 09:30:31.601 INFO [stderr] 81 | | { Nov 17 09:30:31.601 INFO [stderr] 82 | | self.assocs.get(current.borrow()) Nov 17 09:30:31.601 INFO [stderr] 83 | | } Nov 17 09:30:31.601 INFO [stderr] | |_____^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: function is never used: `split_cmd` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:28:1 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 28 | fn split_cmd(command: &mut str) -> (&mut str, &mut str) { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: struct is never constructed: `SocketServer` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:36:1 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 36 | pub struct SocketServer { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `bind` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:41:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 41 | pub fn bind(config: &DaemonConfig) -> Result { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `wait` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:47:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 47 | pub fn wait(&self) -> Result<()> { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `respond` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:58:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 58 | fn respond(&self, command: &mut str) -> Result<&'static str> { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: method is never used: `set_recommend` Nov 17 09:30:31.601 INFO [stderr] --> src/socket.rs:72:5 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 72 | fn set_recommend(&self, arg: &mut str) -> &'static str { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: function is never used: `empty_mut_str` Nov 17 09:30:31.601 INFO [stderr] --> src/utils.rs:29:1 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 29 | pub fn empty_mut_str() -> &'static mut str { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:31.601 INFO [stderr] warning: function is never used: `sigmoid` Nov 17 09:30:31.601 INFO [stderr] --> src/utils.rs:34:1 Nov 17 09:30:31.601 INFO [stderr] | Nov 17 09:30:31.601 INFO [stderr] 34 | pub fn sigmoid(n: f32) -> f32 { Nov 17 09:30:31.601 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:31.601 INFO [stderr] Nov 17 09:30:34.096 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.41s Nov 17 09:30:34.111 INFO [stderr] su: No module specific data is present Nov 17 09:30:34.892 INFO running `"docker" "inspect" "f94bda823afdae47c314c8461cf130c6462862d8dac8e063c806efa559a36a46"` Nov 17 09:30:35.103 INFO running `"docker" "rm" "-f" "f94bda823afdae47c314c8461cf130c6462862d8dac8e063c806efa559a36a46"` Nov 17 09:30:35.347 INFO [stdout] f94bda823afdae47c314c8461cf130c6462862d8dac8e063c806efa559a36a46 Nov 17 09:30:35.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 09:30:35.874 INFO [stdout] 4562c1ec6f740f332c39dab274baa3332af8262ec918c08b42a9da2ba7f76e70 Nov 17 09:30:35.876 INFO running `"docker" "start" "-a" "4562c1ec6f740f332c39dab274baa3332af8262ec918c08b42a9da2ba7f76e70"` Nov 17 09:30:36.997 INFO [stderr] usermod: no changes Nov 17 09:30:37.175 INFO [stderr] Compiling markov-music v0.1.0 (/source) Nov 17 09:30:38.671 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. Nov 17 09:30:38.671 INFO [stderr] --> src/utils.rs:25:40 Nov 17 09:30:38.671 INFO [stderr] | Nov 17 09:30:38.671 INFO [stderr] 25 | pub static ref HOME_DIR: PathBuf = env::home_dir().expect("Unable to get home directory"); Nov 17 09:30:38.671 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 09:30:38.671 INFO [stderr] | Nov 17 09:30:38.671 INFO [stderr] = note: #[warn(deprecated)] on by default Nov 17 09:30:38.671 INFO [stderr] Nov 17 09:30:39.202 INFO [stderr] warning: function is never used: `random_key` Nov 17 09:30:39.202 INFO [stderr] --> src/choose.rs:29:1 Nov 17 09:30:39.202 INFO [stderr] | Nov 17 09:30:39.202 INFO [stderr] 29 | pub fn random_key<'a, K: Eq + Hash, V>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Nov 17 09:30:39.202 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.202 INFO [stderr] | Nov 17 09:30:39.202 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 09:30:39.202 INFO [stderr] Nov 17 09:30:39.202 INFO [stderr] warning: function is never used: `roulette_wheel` Nov 17 09:30:39.202 INFO [stderr] --> src/choose.rs:34:1 Nov 17 09:30:39.202 INFO [stderr] | Nov 17 09:30:39.202 INFO [stderr] 34 | pub fn roulette_wheel<'a, K: Eq + Hash>(map: &'a HashMap, rng: &mut Rng) -> Option<&'a K> { Nov 17 09:30:39.202 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.202 INFO [stderr] Nov 17 09:30:39.202 INFO [stderr] warning: method is never used: `modify_weight` Nov 17 09:30:39.202 INFO [stderr] --> src/markov.rs:47:5 Nov 17 09:30:39.202 INFO [stderr] | Nov 17 09:30:39.202 INFO [stderr] 47 | pub fn modify_weight(&mut self, prev: T, next: T, diff: f32) { Nov 17 09:30:39.202 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.202 INFO [stderr] Nov 17 09:30:39.211 INFO [stderr] warning: method is never used: `clear` Nov 17 09:30:39.211 INFO [stderr] --> src/markov.rs:55:5 Nov 17 09:30:39.211 INFO [stderr] | Nov 17 09:30:39.211 INFO [stderr] 55 | / pub fn clear(&mut self, item: &U) Nov 17 09:30:39.211 INFO [stderr] 56 | | where U: Borrow, Nov 17 09:30:39.211 INFO [stderr] 57 | | U: ?Sized, Nov 17 09:30:39.211 INFO [stderr] 58 | | { Nov 17 09:30:39.211 INFO [stderr] ... | Nov 17 09:30:39.211 INFO [stderr] 61 | | } Nov 17 09:30:39.211 INFO [stderr] 62 | | } Nov 17 09:30:39.211 INFO [stderr] | |_____^ Nov 17 09:30:39.211 INFO [stderr] Nov 17 09:30:39.211 INFO [stderr] warning: method is never used: `start` Nov 17 09:30:39.211 INFO [stderr] --> src/markov.rs:64:5 Nov 17 09:30:39.211 INFO [stderr] | Nov 17 09:30:39.211 INFO [stderr] 64 | pub fn start(&self, rng: &mut Rng) -> Option<&T> { Nov 17 09:30:39.211 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.211 INFO [stderr] Nov 17 09:30:39.211 INFO [stderr] warning: method is never used: `next` Nov 17 09:30:39.211 INFO [stderr] --> src/markov.rs:68:5 Nov 17 09:30:39.211 INFO [stderr] | Nov 17 09:30:39.211 INFO [stderr] 68 | / pub fn next(&self, current: &U, rng: &mut Rng) -> Option<&T> Nov 17 09:30:39.211 INFO [stderr] 69 | | where U: Borrow, Nov 17 09:30:39.211 INFO [stderr] 70 | | U: ?Sized, Nov 17 09:30:39.211 INFO [stderr] 71 | | { Nov 17 09:30:39.211 INFO [stderr] ... | Nov 17 09:30:39.211 INFO [stderr] 75 | | } Nov 17 09:30:39.211 INFO [stderr] 76 | | } Nov 17 09:30:39.211 INFO [stderr] | |_____^ Nov 17 09:30:39.211 INFO [stderr] Nov 17 09:30:39.211 INFO [stderr] warning: method is never used: `possible_next` Nov 17 09:30:39.211 INFO [stderr] --> src/markov.rs:78:5 Nov 17 09:30:39.211 INFO [stderr] | Nov 17 09:30:39.211 INFO [stderr] 78 | / pub fn possible_next(&self, current: &U) -> Option<&HashMap> Nov 17 09:30:39.211 INFO [stderr] 79 | | where U: Borrow, Nov 17 09:30:39.211 INFO [stderr] 80 | | U: ?Sized, Nov 17 09:30:39.211 INFO [stderr] 81 | | { Nov 17 09:30:39.211 INFO [stderr] 82 | | self.assocs.get(current.borrow()) Nov 17 09:30:39.212 INFO [stderr] 83 | | } Nov 17 09:30:39.212 INFO [stderr] | |_____^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: function is never used: `split_cmd` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:28:1 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 28 | fn split_cmd(command: &mut str) -> (&mut str, &mut str) { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: struct is never constructed: `SocketServer` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:36:1 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 36 | pub struct SocketServer { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: method is never used: `bind` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:41:5 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 41 | pub fn bind(config: &DaemonConfig) -> Result { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: method is never used: `wait` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:47:5 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 47 | pub fn wait(&self) -> Result<()> { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: method is never used: `respond` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:58:5 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 58 | fn respond(&self, command: &mut str) -> Result<&'static str> { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: method is never used: `set_recommend` Nov 17 09:30:39.212 INFO [stderr] --> src/socket.rs:72:5 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 72 | fn set_recommend(&self, arg: &mut str) -> &'static str { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: function is never used: `empty_mut_str` Nov 17 09:30:39.212 INFO [stderr] --> src/utils.rs:29:1 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 29 | pub fn empty_mut_str() -> &'static mut str { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.212 INFO [stderr] warning: function is never used: `sigmoid` Nov 17 09:30:39.212 INFO [stderr] --> src/utils.rs:34:1 Nov 17 09:30:39.212 INFO [stderr] | Nov 17 09:30:39.212 INFO [stderr] 34 | pub fn sigmoid(n: f32) -> f32 { Nov 17 09:30:39.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 17 09:30:39.212 INFO [stderr] Nov 17 09:30:39.607 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.57s Nov 17 09:30:39.611 INFO [stderr] su: No module specific data is present Nov 17 09:30:40.110 INFO running `"docker" "inspect" "4562c1ec6f740f332c39dab274baa3332af8262ec918c08b42a9da2ba7f76e70"` Nov 17 09:30:40.313 INFO running `"docker" "rm" "-f" "4562c1ec6f740f332c39dab274baa3332af8262ec918c08b42a9da2ba7f76e70"` Nov 17 09:30:40.658 INFO [stdout] 4562c1ec6f740f332c39dab274baa3332af8262ec918c08b42a9da2ba7f76e70 Nov 17 09:30:40.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 09:30:41.072 INFO [stdout] e018b90cf9f368488254a9abc04a249dccab87c888fbcfcf4e7159d7c6e8fd7f Nov 17 09:30:41.075 INFO running `"docker" "start" "-a" "e018b90cf9f368488254a9abc04a249dccab87c888fbcfcf4e7159d7c6e8fd7f"` Nov 17 09:30:41.540 INFO [stderr] usermod: no changes Nov 17 09:30:41.651 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s Nov 17 09:30:41.667 INFO [stderr] Running /target/debug/deps/markov_music-66416474bb97f9b6 Nov 17 09:30:41.671 INFO [stdout] Nov 17 09:30:41.671 INFO [stdout] running 0 tests Nov 17 09:30:41.671 INFO [stdout] Nov 17 09:30:41.671 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Nov 17 09:30:41.671 INFO [stdout] Nov 17 09:30:41.672 INFO [stderr] su: No module specific data is present Nov 17 09:30:42.111 INFO running `"docker" "inspect" "e018b90cf9f368488254a9abc04a249dccab87c888fbcfcf4e7159d7c6e8fd7f"` Nov 17 09:30:42.349 INFO running `"docker" "rm" "-f" "e018b90cf9f368488254a9abc04a249dccab87c888fbcfcf4e7159d7c6e8fd7f"` Nov 17 09:30:42.623 INFO [stdout] e018b90cf9f368488254a9abc04a249dccab87c888fbcfcf4e7159d7c6e8fd7f