[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 try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatsmcgee%2Fscrabble_solver" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fatsmcgee/scrabble_solver on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4838f9c9bc262515710a6554699afe1d9d3361d23468ea06bbe8355a69c7f681 [INFO] running `"docker" "start" "-a" "4838f9c9bc262515710a6554699afe1d9d3361d23468ea06bbe8355a69c7f681"` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling standback v0.2.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling rocket_codegen v0.4.4 [INFO] [stderr] Compiling rocket v0.4.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling inotify v0.7.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling notify v4.0.15 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling 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] Compiling time-macros v0.1.0 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Compiling pear_codegen v0.1.2 [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 unicase_serde v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.50 [INFO] [stderr] Compiling rocket_cors v0.5.2 [INFO] [stderr] Compiling rocket_contrib v0.4.4 [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 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: 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: 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 1m 41s [INFO] running `"docker" "inspect" "4838f9c9bc262515710a6554699afe1d9d3361d23468ea06bbe8355a69c7f681"` [INFO] running `"docker" "rm" "-f" "4838f9c9bc262515710a6554699afe1d9d3361d23468ea06bbe8355a69c7f681"` [INFO] [stdout] 4838f9c9bc262515710a6554699afe1d9d3361d23468ea06bbe8355a69c7f681 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stdout] 7fb69bfdc30a4770a9547d4fccc7364b21ebc5c2d551b3610ca518f44684563c [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" "7fb69bfdc30a4770a9547d4fccc7364b21ebc5c2d551b3610ca518f44684563c"` [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: 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: `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: `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 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: 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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.76s [INFO] running `"docker" "inspect" "7fb69bfdc30a4770a9547d4fccc7364b21ebc5c2d551b3610ca518f44684563c"` [INFO] running `"docker" "rm" "-f" "7fb69bfdc30a4770a9547d4fccc7364b21ebc5c2d551b3610ca518f44684563c"` [INFO] [stdout] 7fb69bfdc30a4770a9547d4fccc7364b21ebc5c2d551b3610ca518f44684563c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 7acb08770e78ddebea03a372763721afb8cd38294bba59c271ef2363ba477a8e [INFO] running `"docker" "start" "-a" "7acb08770e78ddebea03a372763721afb8cd38294bba59c271ef2363ba477a8e"` [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: 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: 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 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: 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: 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: 1 warning 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 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 `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: `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: 3 warnings emitted [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] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ScrabbleSolver-8c57bbf7587c7596 [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test letter_bag::tests::size_tests ... ok [INFO] [stdout] test dictionary::tests::trie_contains ... ok [INFO] [stdout] test dictionary::tests::trie_traversal ... ok [INFO] [stdout] test tests::test_can_reach_anchor ... ok [INFO] [stdout] test tests::empty_scrabble_board_works ... ok [INFO] [stdout] test tests::test_scrabble_letters_score ... ok [INFO] [stdout] test dictionary::tests::scrabble_trie ... ok [INFO] [stdout] test tests::get_anchored_solutions ... 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: 0x55da26230cb4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55da26230cb4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55da26230cb4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55da26230cb4 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55da262598cc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55da261e2a35 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55da2622b2d1 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55da26233585 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55da26233585 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55da26233585 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55da2623326b - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55da26233be2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55da262337cb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55da2623373b - std::panicking::begin_panic_fmt::h2fa40d03719daab1 [INFO] [stdout] at src/libstd/panicking.rs:373 [INFO] [stdout] 14: 0x55da261c4705 - ScrabbleSolver::tests::find_words_empty_board::hdc339b5434461164 [INFO] [stdout] at src/lib.rs:575 [INFO] [stdout] 15: 0x55da261c430a - ScrabbleSolver::tests::find_words_empty_board::{{closure}}::h0388f5736da7fd23 [INFO] [stdout] at src/lib.rs:558 [INFO] [stdout] 16: 0x55da261df9ae - core::ops::function::FnOnce::call_once::hb107974bdcbd0e38 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x55da261ee92f - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 18: 0x55da26209f2e - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55da26209f2e - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 20: 0x55da26209f2e - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x55da26209f2e - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55da26209f2e - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55da26209f2e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55da261e1ee6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55da261e7275 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55da261e7275 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55da261e7275 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 28: 0x55da261e7275 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x55da261e7275 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55da261e7275 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55da261e7275 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x55da262274df - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55da2623a3c3 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x55da2623a3c3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7fa63497c6db - start_thread [INFO] [stdout] 36: 0x7fa63448d88f - __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" "7acb08770e78ddebea03a372763721afb8cd38294bba59c271ef2363ba477a8e"` [INFO] running `"docker" "rm" "-f" "7acb08770e78ddebea03a372763721afb8cd38294bba59c271ef2363ba477a8e"` [INFO] [stdout] 7acb08770e78ddebea03a372763721afb8cd38294bba59c271ef2363ba477a8e