[INFO] fetching crate libbruteforce 2.2.2...
[INFO] testing libbruteforce-2.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate libbruteforce 2.2.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate libbruteforce 2.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libbruteforce 2.2.2
[INFO] finished tweaking crates.io crate libbruteforce 2.2.2
[INFO] tweaked toml for crates.io crate libbruteforce 2.2.2 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e936b8ee9c156104c104ab8d3f74abe52e7c95a8f600862c9046701e9910ba82
[INFO] running `Command { std: "docker" "start" "-a" "e936b8ee9c156104c104ab8d3f74abe52e7c95a8f600862c9046701e9910ba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e936b8ee9c156104c104ab8d3f74abe52e7c95a8f600862c9046701e9910ba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e936b8ee9c156104c104ab8d3f74abe52e7c95a8f600862c9046701e9910ba82", kill_on_drop: false }`
[INFO] [stdout] e936b8ee9c156104c104ab8d3f74abe52e7c95a8f600862c9046701e9910ba82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4b8766b21e77b28a6fdf4331f4338af51d9fc1d442da3999159b174ffa2fd9
[INFO] running `Command { std: "docker" "start" "-a" "4a4b8766b21e77b28a6fdf4331f4338af51d9fc1d442da3999159b174ffa2fd9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling libbruteforce v2.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `indices_word_length`
[INFO] [stdout]   --> src/crack/indices.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn indices_word_length(indices: &[isize]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet`
[INFO] [stdout]   --> src/util/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn create_test_crack_params_full_alphabet(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet_sha256`
[INFO] [stdout]   --> src/util/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn create_test_crack_params_full_alphabet_sha256(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet_sha256_fair`
[INFO] [stdout]   --> src/util/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_test_crack_params_full_alphabet_sha256_fair(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "4a4b8766b21e77b28a6fdf4331f4338af51d9fc1d442da3999159b174ffa2fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4b8766b21e77b28a6fdf4331f4338af51d9fc1d442da3999159b174ffa2fd9", kill_on_drop: false }`
[INFO] [stdout] 4a4b8766b21e77b28a6fdf4331f4338af51d9fc1d442da3999159b174ffa2fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bb98bd0a700baac72c63b5cd512a2e4ee836f22857293b975ff80f8014599a8
[INFO] running `Command { std: "docker" "start" "-a" "1bb98bd0a700baac72c63b5cd512a2e4ee836f22857293b975ff80f8014599a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libbruteforce v2.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `indices_word_length`
[INFO] [stdout]   --> src/crack/indices.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn indices_word_length(indices: &[isize]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet`
[INFO] [stdout]   --> src/util/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn create_test_crack_params_full_alphabet(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet_sha256`
[INFO] [stdout]   --> src/util/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn create_test_crack_params_full_alphabet_sha256(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_test_crack_params_full_alphabet_sha256_fair`
[INFO] [stdout]   --> src/util/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_test_crack_params_full_alphabet_sha256_fair(target: &str) -> CrackParameter {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/symbols/builder.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut builder = Builder::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/symbols/builder.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let mut builder = Builder::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/symbols/builder.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut builder = Builder::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         indices_increment_by(&alphabet, &mut arr, 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         indices_increment_by(&alphabet, &mut arr, 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         indices_increment_by(&alphabet, &mut arr, 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         indices_increment_by(&alphabet, &mut indices, steps);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         indices_increment_by(&alphabet, &mut indices, 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/crack/indices.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         indices_increment_by(&alphabet, &mut indices, 4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "1bb98bd0a700baac72c63b5cd512a2e4ee836f22857293b975ff80f8014599a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb98bd0a700baac72c63b5cd512a2e4ee836f22857293b975ff80f8014599a8", kill_on_drop: false }`
[INFO] [stdout] 1bb98bd0a700baac72c63b5cd512a2e4ee836f22857293b975ff80f8014599a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64c90f342795e619c534264d65d9ce5ab586cbd78f5b529172b15c435aa3e884
[INFO] running `Command { std: "docker" "start" "-a" "64c90f342795e619c534264d65d9ce5ab586cbd78f5b529172b15c435aa3e884", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `indices_word_length`
[INFO] [stderr]   --> src/crack/indices.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn indices_word_length(indices: &[isize]) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_crack_params_full_alphabet`
[INFO] [stderr]   --> src/util/mod.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn create_test_crack_params_full_alphabet(target: &str) -> CrackParameter {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_crack_params_full_alphabet_sha256`
[INFO] [stderr]   --> src/util/mod.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn create_test_crack_params_full_alphabet_sha256(target: &str) -> CrackParameter {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_test_crack_params_full_alphabet_sha256_fair`
[INFO] [stderr]   --> src/util/mod.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn create_test_crack_params_full_alphabet_sha256_fair(target: &str) -> CrackParameter {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/symbols/builder.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut builder = Builder::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/symbols/builder.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let mut builder = Builder::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/symbols/builder.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut builder = Builder::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         indices_increment_by(&alphabet, &mut arr, 1);
[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 `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         indices_increment_by(&alphabet, &mut arr, 1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         indices_increment_by(&alphabet, &mut arr, 1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         indices_increment_by(&alphabet, &mut indices, steps);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         indices_increment_by(&alphabet, &mut indices, 1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/crack/indices.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         indices_increment_by(&alphabet, &mut indices, 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libbruteforce-ed0b2e035f1a49bb)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test crack::indices::tests::test_create_indices_arr ... ok
[INFO] [stdout] test crack::indices::tests::test_increment_indices_array_add1 ... ok
[INFO] [stdout] test crack::indices::tests::test_get_word_as_string_1 ... ok
[INFO] [stdout] test crack::indices::tests::test_increment_indices_array_add1_initial ... ok
[INFO] [stdout] test crack::indices::tests::test_increment_indices_array_add1_overflow ... ok
[INFO] [stdout] test crack::indices::tests::test_increment_indices_array_total_overflow ... ok
[INFO] [stdout] test crack::indices::tests::test_increment_indices_to_upper_bound ... ok
[INFO] [stdout] test crack::indices::tests::test_length_of_indices_array ... ok
[INFO] [stdout] test symbols::builder::tests::test_build ... ok
[INFO] [stdout] test symbols::builder::tests::test_build_special_chars ... ok
[INFO] [stdout] test symbols::tests::test_combinations_count ... ok
[INFO] [stdout] test transform_fns::tests::test_identity ... ok
[INFO] [stdout] test transform_fns::tests::test_md5 ... ok
[INFO] [stdout] test transform_fns::tests::test_sha1 ... ok
[INFO] [stdout] test transform_fns::tests::test_sha256 ... ok
[INFO] [stdout] test crack::indices::tests::test_get_word_as_string_2 ... ok
[INFO] [stdout] test crack::indices::tests::test_create_indices_arr_panic - should panic ... ok
[INFO] [stdout] test symbols::builder::tests::test_panic - should panic ... ok
[INFO] [stdout] test symbols::tests::test_combinations_count_panic - should panic ... ok
[INFO] [stdout] test crack::tests::test_crack_identity ... ok
[INFO] [stdout] test crack::tests::test_crack_sha256_fair_and_unfair_mode has been running for over 60 seconds
[INFO] [stdout] test crack::tests::test_crack_sha256_fair_and_unfair_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 292.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libbruteforce
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64c90f342795e619c534264d65d9ce5ab586cbd78f5b529172b15c435aa3e884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c90f342795e619c534264d65d9ce5ab586cbd78f5b529172b15c435aa3e884", kill_on_drop: false }`
[INFO] [stdout] 64c90f342795e619c534264d65d9ce5ab586cbd78f5b529172b15c435aa3e884
