[INFO] cloning repository https://github.com/fatsmcgee/scrabble_solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fatsmcgee/scrabble_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatsmcgee%2Fscrabble_solver"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatsmcgee%2Fscrabble_solver'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9172617e0305856b0c99060b3778516d317017c2 [INFO] testing fatsmcgee/scrabble_solver against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatsmcgee%2Fscrabble_solver" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fatsmcgee/scrabble_solver on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stdout] 764487e4aecae984e04cdb00419e0969c210b1e4b077c38a729f4b5557a1436a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "764487e4aecae984e04cdb00419e0969c210b1e4b077c38a729f4b5557a1436a"` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling standback v0.2.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rocket_codegen v0.4.4 [INFO] [stderr] Compiling rocket v0.4.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.9 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling devise_core v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling time-macros-impl v0.1.0 [INFO] [stderr] Compiling cookie v0.11.2 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Compiling time-macros v0.1.0 [INFO] [stderr] Compiling devise_codegen v0.2.0 [INFO] [stderr] Compiling devise v0.2.0 [INFO] [stderr] Compiling pear v0.1.2 [INFO] [stderr] Compiling rocket_http v0.4.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_json v1.0.50 [INFO] [stderr] Compiling unicase_serde v0.1.0 [INFO] [stderr] Compiling rocket_contrib v0.4.4 [INFO] [stderr] Compiling rocket_cors v0.5.2 [INFO] [stderr] Compiling 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 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: method 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: method 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: method 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: method 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: method 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: 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: 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: 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 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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.33s [INFO] running `"docker" "inspect" "764487e4aecae984e04cdb00419e0969c210b1e4b077c38a729f4b5557a1436a"` [INFO] running `"docker" "rm" "-f" "764487e4aecae984e04cdb00419e0969c210b1e4b077c38a729f4b5557a1436a"` [INFO] [stdout] 764487e4aecae984e04cdb00419e0969c210b1e4b077c38a729f4b5557a1436a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stdout] 23cf2df933102dded70fdfdc42444505420b3c481bef561068ff5f3633674c81 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "23cf2df933102dded70fdfdc42444505420b3c481bef561068ff5f3633674c81"` [INFO] [stderr] Compiling 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 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: method 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: method 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: method 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: method 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: method 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: 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: `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 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: 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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method 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: method 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: method 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: method 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: method 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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `"docker" "inspect" "23cf2df933102dded70fdfdc42444505420b3c481bef561068ff5f3633674c81"` [INFO] running `"docker" "rm" "-f" "23cf2df933102dded70fdfdc42444505420b3c481bef561068ff5f3633674c81"` [INFO] [stdout] 23cf2df933102dded70fdfdc42444505420b3c481bef561068ff5f3633674c81 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f7f92341faa20d8091a57cda9f78f47c1149169b7c2853f29b5bae13b307038b [INFO] running `"docker" "start" "-a" "f7f92341faa20d8091a57cda9f78f47c1149169b7c2853f29b5bae13b307038b"` [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: `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: `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: `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: `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: method 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: 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: method 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: method 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: method 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: method 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: method 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: method 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: method 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: method 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: 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: method 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: 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: 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: 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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ScrabbleSolver-8c57bbf7587c7596 [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test dictionary::tests::trie_traversal ... ok [INFO] [stdout] test dictionary::tests::trie_contains ... ok [INFO] [stdout] test letter_bag::tests::size_tests ... ok [INFO] [stdout] test tests::empty_scrabble_board_works ... ok [INFO] [stdout] test tests::test_can_reach_anchor ... ok [INFO] [stdout] test tests::test_scrabble_letters_score ... ok [INFO] [stdout] test tests::get_anchored_solutions ... ok [INFO] [stdout] test dictionary::tests::scrabble_trie ... ok [INFO] [stdout] test tests::find_words_empty_board ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::find_words_empty_board stdout ---- [INFO] [stdout] thread 'tests::find_words_empty_board' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `0`, [INFO] [stdout] right: `1`', src/lib.rs:575:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55b27a8b7cb4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55b27a8b7cb4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55b27a8b7cb4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55b27a8b7cb4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55b27a8e08cc - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55b27a869a35 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55b27a8b22d1 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55b27a8ba585 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55b27a8ba585 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55b27a8ba585 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55b27a8ba26b - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55b27a8babe2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55b27a8ba7cb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55b27a8ba73b - std::panicking::begin_panic_fmt::hf14ab99546f1bbc1 [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 14: 0x55b27a84b705 - ScrabbleSolver::tests::find_words_empty_board::hdc339b5434461164 [INFO] [stdout] at src/lib.rs:575 [INFO] [stdout] 15: 0x55b27a84b30a - ScrabbleSolver::tests::find_words_empty_board::{{closure}}::h7bfec9d451029438 [INFO] [stdout] at src/lib.rs:558 [INFO] [stdout] 16: 0x55b27a86648e - core::ops::function::FnOnce::call_once::h36bf36efc7bb2660 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x55b27a87592f - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 18: 0x55b27a890f2e - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55b27a890f2e - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55b27a890f2e - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55b27a890f2e - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55b27a890f2e - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55b27a890f2e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55b27a868ee6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55b27a86e205 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55b27a86e205 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55b27a86e205 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 28: 0x55b27a86e205 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x55b27a86e205 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55b27a86e205 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55b27a86e205 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x55b27a8ae4df - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55b27a8c13c3 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x55b27a8c13c3 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7f86875b96db - start_thread [INFO] [stdout] 36: 0x7f86870ca88f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::find_words_empty_board [INFO] [stdout] [INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "f7f92341faa20d8091a57cda9f78f47c1149169b7c2853f29b5bae13b307038b"` [INFO] running `"docker" "rm" "-f" "f7f92341faa20d8091a57cda9f78f47c1149169b7c2853f29b5bae13b307038b"` [INFO] [stdout] f7f92341faa20d8091a57cda9f78f47c1149169b7c2853f29b5bae13b307038b