[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 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver" "/workspace/builds/worker-93/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 92% (25/27) Updating files: 96% (26/27) Updating files: 100% (27/27) Updating files: 100% (27/27), done. [INFO] validating manifest of git repo https://github.com/saik0/rust_boggle_solver on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-93/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88bb3f6649f36e5eda583b6668a10a503156d75849e4dc4b840b60c931854a72 [INFO] running `Command { std: "docker" "start" "-a" "88bb3f6649f36e5eda583b6668a10a503156d75849e4dc4b840b60c931854a72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88bb3f6649f36e5eda583b6668a10a503156d75849e4dc4b840b60c931854a72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88bb3f6649f36e5eda583b6668a10a503156d75849e4dc4b840b60c931854a72", kill_on_drop: false }` [INFO] [stdout] 88bb3f6649f36e5eda583b6668a10a503156d75849e4dc4b840b60c931854a72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddb2923a56d99020cc8e23acabcb3a841d06e44257ccdbbfd3054edee8e701f2 [INFO] running `Command { std: "docker" "start" "-a" "ddb2923a56d99020cc8e23acabcb3a841d06e44257ccdbbfd3054edee8e701f2", 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.52s [INFO] running `Command { std: "docker" "inspect" "ddb2923a56d99020cc8e23acabcb3a841d06e44257ccdbbfd3054edee8e701f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddb2923a56d99020cc8e23acabcb3a841d06e44257ccdbbfd3054edee8e701f2", kill_on_drop: false }` [INFO] [stdout] ddb2923a56d99020cc8e23acabcb3a841d06e44257ccdbbfd3054edee8e701f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66defde74d1facaff2daacba1541c66752ebee095cedc83d40e985ce22074eda [INFO] running `Command { std: "docker" "start" "-a" "66defde74d1facaff2daacba1541c66752ebee095cedc83d40e985ce22074eda", 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.39s [INFO] running `Command { std: "docker" "inspect" "66defde74d1facaff2daacba1541c66752ebee095cedc83d40e985ce22074eda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66defde74d1facaff2daacba1541c66752ebee095cedc83d40e985ce22074eda", kill_on_drop: false }` [INFO] [stdout] 66defde74d1facaff2daacba1541c66752ebee095cedc83d40e985ce22074eda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 895b3d42f96822b46fe436b69891e18c144d5939d844eebb06eb11d5d6928568 [INFO] running `Command { std: "docker" "start" "-a" "895b3d42f96822b46fe436b69891e18c144d5939d844eebb06eb11d5d6928568", 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: `rust_boggle_solver` (bin "rust_boggle_solver" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_boggle_solver-74439fbc5080dd9b) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test bitset::bitset::test::can_add ... ok [INFO] [stdout] test bitset::bitset::test::can_iter_indices ... ok [INFO] [stdout] test bitset::bitset::test::can_remove ... ok [INFO] [stdout] test bitset::bitset::test::len_is_correct ... ok [INFO] [stdout] test bitset::bitset_32::test::can_add ... ok [INFO] [stdout] test bitset::bitset_32::test::can_iter ... ok [INFO] [stdout] test bitset::bitset_32::test::can_iter_ones ... ok [INFO] [stdout] test bitset::bitset_32::test::can_remove ... ok [INFO] [stdout] test bitset::bitset_32::test::cardinality_is_correct ... ok [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-74439fbc5080dd9b` (signal: 4, SIGILL: illegal instruction) [INFO] [stdout] test bitset::bitset_32::test::format_is_correct ... [INFO] running `Command { std: "docker" "inspect" "895b3d42f96822b46fe436b69891e18c144d5939d844eebb06eb11d5d6928568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "895b3d42f96822b46fe436b69891e18c144d5939d844eebb06eb11d5d6928568", kill_on_drop: false }` [INFO] [stdout] 895b3d42f96822b46fe436b69891e18c144d5939d844eebb06eb11d5d6928568