[INFO] updating cached repository https://github.com/fatsmcgee/scrabble_solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9172617e0305856b0c99060b3778516d317017c2 [INFO] checking fatsmcgee/scrabble_solver against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatsmcgee%2Fscrabble_solver" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fatsmcgee/scrabble_solver on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/fatsmcgee/scrabble_solver [INFO] finished tweaking git repo https://github.com/fatsmcgee/scrabble_solver [INFO] tweaked toml for git repo https://github.com/fatsmcgee/scrabble_solver written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/fatsmcgee/scrabble_solver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b63059a48903c016cac90cf0e56c07db7954f8960630decab41b1ca33369e30 [INFO] running `"docker" "start" "-a" "4b63059a48903c016cac90cf0e56c07db7954f8960630decab41b1ca33369e30"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling standback v0.2.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rocket_codegen v0.4.4 [INFO] [stderr] Compiling rocket v0.4.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.9 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking cookie v0.11.2 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling time-macros-impl v0.1.0 [INFO] [stderr] Checking time-macros v0.1.0 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Compiling pear v0.1.2 [INFO] [stderr] Checking rocket_http v0.4.4 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking unicase_serde v0.1.0 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking rocket_contrib v0.4.4 [INFO] [stderr] Checking rocket_cors v0.5.2 [INFO] [stderr] Checking ScrabbleSolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/letter_bag.rs:2:33 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::Keys` [INFO] [stderr] --> src/letter_bag.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::hash_map::Keys; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashMap` [INFO] [stderr] --> src/lib.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/letter_bag.rs:2:33 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::hash_map::Keys` [INFO] [stderr] --> src/letter_bag.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::hash_map::Keys; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashMap` [INFO] [stderr] --> src/lib.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `prev_coord` [INFO] [stderr] --> src/lib.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let prev_coord = coord.prev(dir); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_coord` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `letter` [INFO] [stderr] --> src/letter_bag.rs:56:38 [INFO] [stderr] | [INFO] [stderr] 56 | return self.bag.iter().map(|(letter,count)| count).sum(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `prev_coord` [INFO] [stderr] --> src/lib.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let prev_coord = coord.prev(dir); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_coord` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `letter` [INFO] [stderr] --> src/letter_bag.rs:56:38 [INFO] [stderr] | [INFO] [stderr] 56 | return self.bag.iter().map(|(letter,count)| count).sum(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `decrement` [INFO] [stderr] --> src/letter_bag.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | fn decrement(&mut self, key: Letter) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `decremented` [INFO] [stderr] --> src/letter_bag.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn decremented(&self, key: Letter) -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/letter_bag.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn new() -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_string` [INFO] [stderr] --> src/letter_bag.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn from_string(s:&str) -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `keys` [INFO] [stderr] --> src/letter_bag.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | pub fn keys(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `ScrabbleSolver` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `scrabble_solver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | / write!(f, [INFO] [stderr] 88 | | "{}: {},{}({}): {} points", [INFO] [stderr] 89 | | self.word, [INFO] [stderr] 90 | | self.start_coord.row, [INFO] [stderr] 91 | | self.start_coord.col, [INFO] [stderr] 92 | | if let Direction::Right = self.direction {"R"} else {"D"}, [INFO] [stderr] 93 | | self.score); [INFO] [stderr] | |____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `decrement` [INFO] [stderr] --> src/letter_bag.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | fn decrement(&mut self, key: Letter) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `decremented` [INFO] [stderr] --> src/letter_bag.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn decremented(&self, key: Letter) -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/letter_bag.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn new() -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_string` [INFO] [stderr] --> src/letter_bag.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn from_string(s:&str) -> HashLetterBag { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `keys` [INFO] [stderr] --> src/letter_bag.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | pub fn keys(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `ScrabbleSolver` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `scrabble_solver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | / write!(f, [INFO] [stderr] 88 | | "{}: {},{}({}): {} points", [INFO] [stderr] 89 | | self.word, [INFO] [stderr] 90 | | self.start_coord.row, [INFO] [stderr] 91 | | self.start_coord.col, [INFO] [stderr] 92 | | if let Direction::Right = self.direction {"R"} else {"D"}, [INFO] [stderr] 93 | | self.score); [INFO] [stderr] | |____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Instant` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `ScrabbleSolver` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `scrabble_solver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | io::stdin().read_line(&mut command); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Instant` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Direction`, `print_top_solutions` [INFO] [stderr] --> src/bin/server.rs:8:60 [INFO] [stderr] | [INFO] [stderr] 8 | use ScrabbleSolver::{DictionaryTrie, ScrabbleBoard, Coord, Direction, LetterBag, print_top_solutions, ScrabbleSolution}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rocket::http::Method` [INFO] [stderr] --> src/bin/server.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rocket::http::Method; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/bin/server.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/bin/server.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Try` [INFO] [stderr] --> src/bin/server.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::ops::Try; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/bin/server.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | if(board_spec == "") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `ScrabbleSolver` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `scrabble_solver` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | io::stdin().read_line(&mut command); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Direction`, `print_top_solutions` [INFO] [stderr] --> src/bin/server.rs:8:60 [INFO] [stderr] | [INFO] [stderr] 8 | use ScrabbleSolver::{DictionaryTrie, ScrabbleBoard, Coord, Direction, LetterBag, print_top_solutions, ScrabbleSolution}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rocket::http::Method` [INFO] [stderr] --> src/bin/server.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use rocket::http::Method; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/bin/server.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/bin/server.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Try` [INFO] [stderr] --> src/bin/server.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::ops::Try; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/bin/server.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | if(board_spec == "") { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `print_top_solutions` [INFO] [stderr] --> src/bin/benchmark.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | print_top_solutions}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `print_top_solutions` [INFO] [stderr] --> src/bin/benchmark.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | print_top_solutions}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 41s [INFO] running `"docker" "inspect" "4b63059a48903c016cac90cf0e56c07db7954f8960630decab41b1ca33369e30"` [INFO] running `"docker" "rm" "-f" "4b63059a48903c016cac90cf0e56c07db7954f8960630decab41b1ca33369e30"` [INFO] [stdout] 4b63059a48903c016cac90cf0e56c07db7954f8960630decab41b1ca33369e30