[INFO] cloning repository https://github.com/saik0/rust_boggle_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saik0/rust_boggle_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d4602cdfe585c83c836f045adc675e23f9a6e37 [INFO] testing saik0/rust_boggle_solver against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/saik0/rust_boggle_solver on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/saik0/rust_boggle_solver [INFO] finished tweaking git repo https://github.com/saik0/rust_boggle_solver [INFO] tweaked toml for git repo https://github.com/saik0/rust_boggle_solver written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/saik0/rust_boggle_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 339842ef87f2b26147a48b50414737275182b1a3bd7c4651b40818319b1514f0 [INFO] running `Command { std: "docker" "start" "-a" "339842ef87f2b26147a48b50414737275182b1a3bd7c4651b40818319b1514f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "339842ef87f2b26147a48b50414737275182b1a3bd7c4651b40818319b1514f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339842ef87f2b26147a48b50414737275182b1a3bd7c4651b40818319b1514f0", kill_on_drop: false }` [INFO] [stdout] 339842ef87f2b26147a48b50414737275182b1a3bd7c4651b40818319b1514f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ecb2464836b82ecc086f1dcfde8a8c9adb9abe432463101890b3c25e906cf23 [INFO] running `Command { std: "docker" "start" "-a" "6ecb2464836b82ecc086f1dcfde8a8c9adb9abe432463101890b3c25e906cf23", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num_cpus v1.3.0 [INFO] [stderr] Compiling deque v0.3.1 [INFO] [stderr] Compiling rayon v0.6.0 [INFO] [stderr] Compiling rust_boggle_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | 'a' ... 'z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/boggle/radix_board.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | fn any(&self, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - fn any(&self, v: u8) -> Box>; [INFO] [stdout] 38 + fn any(&self, v: u8) -> Box>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 39 | fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 - fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] 39 + fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/trie.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut (self.children[first]), Some(Box::new(Trie::new()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[bitset::bitset::BitSet; 26]` does not permit being left uninitialized [INFO] [stdout] --> src/boggle/radix_board.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `std::ptr::Unique` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "6ecb2464836b82ecc086f1dcfde8a8c9adb9abe432463101890b3c25e906cf23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ecb2464836b82ecc086f1dcfde8a8c9adb9abe432463101890b3c25e906cf23", kill_on_drop: false }` [INFO] [stdout] 6ecb2464836b82ecc086f1dcfde8a8c9adb9abe432463101890b3c25e906cf23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7767e311318354f93b36f6a93432fa0cc0f69172569f7d8f97ba80ced46affb0 [INFO] running `Command { std: "docker" "start" "-a" "7767e311318354f93b36f6a93432fa0cc0f69172569f7d8f97ba80ced46affb0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_boggle_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | 'a' ... 'z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/boggle/radix_board.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | fn any(&self, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - fn any(&self, v: u8) -> Box>; [INFO] [stdout] 38 + fn any(&self, v: u8) -> Box>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 39 | fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 - fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] 39 + fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/trie.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut (self.children[first]), Some(Box::new(Trie::new()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[bitset::bitset::BitSet; 26]` does not permit being left uninitialized [INFO] [stdout] --> src/boggle/radix_board.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `std::ptr::Unique` must be non-null (in this struct field) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_boggle_solver-3494d125ef9c0f0d) [INFO] running `Command { std: "docker" "inspect" "7767e311318354f93b36f6a93432fa0cc0f69172569f7d8f97ba80ced46affb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7767e311318354f93b36f6a93432fa0cc0f69172569f7d8f97ba80ced46affb0", kill_on_drop: false }` [INFO] [stdout] 7767e311318354f93b36f6a93432fa0cc0f69172569f7d8f97ba80ced46affb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0825d718178d0584e37a17766eb89e100d24e92cb0f839fda79a7c94e64126b8 [INFO] running `Command { std: "docker" "start" "-a" "0825d718178d0584e37a17766eb89e100d24e92cb0f839fda79a7c94e64126b8", kill_on_drop: false }` [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/boggle_util.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | 'a' ... 'z' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/boggle_util.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | 'A' ... 'Z' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/boggle/radix_board.rs:66:26 [INFO] [stderr] | [INFO] [stderr] 66 | alpha = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/boggle/mod.rs:38:33 [INFO] [stderr] | [INFO] [stderr] 38 | fn any(&self, v: u8) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 38 - fn any(&self, v: u8) -> Box>; [INFO] [stderr] 38 + fn any(&self, v: u8) -> Box>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/boggle/mod.rs:39:49 [INFO] [stderr] | [INFO] [stderr] 39 | fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 39 - fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stderr] 39 + fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/trie.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | mem::replace(&mut (self.children[first]), Some(Box::new(Trie::new()))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: the type `[bitset::bitset::BitSet; 26]` does not permit being left uninitialized [INFO] [stderr] --> src/boggle/radix_board.rs:66:21 [INFO] [stderr] | [INFO] [stderr] 66 | alpha = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: `std::ptr::Unique` must be non-null (in this struct field) [INFO] [stderr] [INFO] [stderr] warning: `rust_boggle_solver` (bin "rust_boggle_solver" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_boggle_solver-3494d125ef9c0f0d) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stderr] error: test failed, to rerun pass '--bin rust_boggle_solver' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_boggle_solver-3494d125ef9c0f0d` (signal: 4, SIGILL: illegal instruction) [INFO] running `Command { std: "docker" "inspect" "0825d718178d0584e37a17766eb89e100d24e92cb0f839fda79a7c94e64126b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0825d718178d0584e37a17766eb89e100d24e92cb0f839fda79a7c94e64126b8", kill_on_drop: false }` [INFO] [stdout] 0825d718178d0584e37a17766eb89e100d24e92cb0f839fda79a7c94e64126b8