[INFO] fetching crate spritz_cipher 0.1.0...
[INFO] testing spritz_cipher-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate spritz_cipher 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spritz_cipher 0.1.0 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 crates.io crate spritz_cipher 0.1.0
[INFO] finished tweaking crates.io crate spritz_cipher 0.1.0
[INFO] tweaked toml for crates.io crate spritz_cipher 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spritz_cipher 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e3814a2650af3b324da106c93fff0e29f0f2328e2a998dc8d7b0a44ec8235b1a
[INFO] running `Command { std: "docker" "start" "-a" "e3814a2650af3b324da106c93fff0e29f0f2328e2a998dc8d7b0a44ec8235b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3814a2650af3b324da106c93fff0e29f0f2328e2a998dc8d7b0a44ec8235b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3814a2650af3b324da106c93fff0e29f0f2328e2a998dc8d7b0a44ec8235b1a", kill_on_drop: false }`
[INFO] [stdout] e3814a2650af3b324da106c93fff0e29f0f2328e2a998dc8d7b0a44ec8235b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 66c5bc148559aaa96a558dd83a43a8a52d86218eddc034af2c62fc2cc7e8f9fe
[INFO] running `Command { std: "docker" "start" "-a" "66c5bc148559aaa96a558dd83a43a8a52d86218eddc034af2c62fc2cc7e8f9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling spritz_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling zeroize v1.0.0
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /         (
[INFO] [stdout] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stdout]     | |________^
[INFO] [stdout] ...
[INFO] [stdout] 320 |           | ((self.random8() as u32) << 24))
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 316 ~         ((self.random8() as u32) <<  0)
[INFO] [stdout] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stdout] 319 ~         | ((self.random8() as u32) << 24)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "66c5bc148559aaa96a558dd83a43a8a52d86218eddc034af2c62fc2cc7e8f9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c5bc148559aaa96a558dd83a43a8a52d86218eddc034af2c62fc2cc7e8f9fe", kill_on_drop: false }`
[INFO] [stdout] 66c5bc148559aaa96a558dd83a43a8a52d86218eddc034af2c62fc2cc7e8f9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4e75d108edc8a489ef6ed74bafe9f5910ff4bf3ea10100db39b06e71488bb6ac
[INFO] running `Command { std: "docker" "start" "-a" "4e75d108edc8a489ef6ed74bafe9f5910ff4bf3ea10100db39b06e71488bb6ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /         (
[INFO] [stdout] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stdout]     | |________^
[INFO] [stdout] ...
[INFO] [stdout] 320 |           | ((self.random8() as u32) << 24))
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 316 ~         ((self.random8() as u32) <<  0)
[INFO] [stdout] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stdout] 319 ~         | ((self.random8() as u32) << 24)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling statistical v1.0.0
[INFO] [stderr]    Compiling spritz_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/rand_check.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             context.crypt(&msg, &mut buf);
[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]   --> examples/rand_check.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             context.crypt(&buf2, &mut buf);
[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: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /         (
[INFO] [stdout] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stdout]     | |________^
[INFO] [stdout] ...
[INFO] [stdout] 320 |           | ((self.random8() as u32) << 24))
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 316 ~         ((self.random8() as u32) <<  0)
[INFO] [stdout] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stdout] 319 ~         | ((self.random8() as u32) << 24)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stdout]    --> src/lib.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     #[no_builtins]
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mac_2`
[INFO] [stdout]   --> tests/c_check.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let mut mac_2 = [0 as u8;DIGEST_SIZE]; /* Output buffer */
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_mac_2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/c_check.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let mut mac_2 = [0 as u8;DIGEST_SIZE]; /* Output buffer */
[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: unused `Result` that must be used
[INFO] [stdout]   --> tests/basic.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         context.crypt(&msg, &mut buf);
[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]   --> tests/basic.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         context.crypt(&buf2, &mut buf);
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/spritz_cipher-dde6759796bc4807)
[INFO] [stderr]   Executable tests/basic.rs (/opt/rustwide/target/debug/deps/basic-86fa24b1823645bd)
[INFO] [stderr]   Executable tests/c_check.rs (/opt/rustwide/target/debug/deps/c_check-add0453566d3b8b3)
[INFO] running `Command { std: "docker" "inspect" "4e75d108edc8a489ef6ed74bafe9f5910ff4bf3ea10100db39b06e71488bb6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e75d108edc8a489ef6ed74bafe9f5910ff4bf3ea10100db39b06e71488bb6ac", kill_on_drop: false }`
[INFO] [stdout] 4e75d108edc8a489ef6ed74bafe9f5910ff4bf3ea10100db39b06e71488bb6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] df779d2d1cb28cc5df657fee14ad1ad30fb02f04c84453378d056e48bb1c4a5d
[INFO] running `Command { std: "docker" "start" "-a" "df779d2d1cb28cc5df657fee14ad1ad30fb02f04c84453378d056e48bb1c4a5d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 | /         (
[INFO] [stderr] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stderr]     | |________^
[INFO] [stderr] ...
[INFO] [stderr] 320 |           | ((self.random8() as u32) << 24))
[INFO] [stderr]     |                                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 316 ~         ((self.random8() as u32) <<  0)
[INFO] [stderr] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stderr] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stderr] 319 ~         | ((self.random8() as u32) << 24)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stderr]    --> src/lib.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     #[no_builtins]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
[INFO] [stderr]    --> src/lib.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     #[no_builtins]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spritz_cipher` (lib) generated 3 warnings
[INFO] [stderr] warning: `spritz_cipher` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/rand_check.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             context.crypt(&msg, &mut buf);
[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]   --> examples/rand_check.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             context.crypt(&buf2, &mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mac_2`
[INFO] [stderr]   --> tests/c_check.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let mut mac_2 = [0 as u8;DIGEST_SIZE]; /* Output buffer */
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_mac_2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/c_check.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let mut mac_2 = [0 as u8;DIGEST_SIZE]; /* Output buffer */
[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: unused `Result` that must be used
[INFO] [stderr]   --> tests/basic.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         context.crypt(&msg, &mut buf);
[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]   --> tests/basic.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         context.crypt(&buf2, &mut buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `spritz_cipher` (example "rand_check") generated 2 warnings
[INFO] [stderr] warning: `spritz_cipher` (test "c_check") generated 2 warnings
[INFO] [stderr] warning: `spritz_cipher` (test "basic") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spritz_cipher-dde6759796bc4807)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-86fa24b1823645bd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic_tests::mac ... ok
[INFO] [stdout] test basic_tests::crypt ... ok
[INFO] [stdout] test basic_tests::hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/c_check.rs (/opt/rustwide/target/debug/deps/c_check-add0453566d3b8b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test c_check::compare_arduino ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spritz_cipher
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:316:9
[INFO] [stderr]     |
[INFO] [stderr] 316 | /         (
[INFO] [stderr] 317 | |         ((self.random8() as u32) <<  0)
[INFO] [stderr]     | |________^
[INFO] [stderr] ...
[INFO] [stderr] 320 |           | ((self.random8() as u32) << 24))
[INFO] [stderr]     |                                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 316 ~         ((self.random8() as u32) <<  0)
[INFO] [stderr] 317 |         | ((self.random8() as u32) <<  8)
[INFO] [stderr] 318 |         | ((self.random8() as u32) << 16)
[INFO] [stderr] 319 ~         | ((self.random8() as u32) << 24)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - SpritzCipherContext::compare (line 203) ... ok
[INFO] [stdout] test src/lib.rs - SpritzCipherContext::hash (line 451) ... ok
[INFO] [stdout] test src/lib.rs - SpritzCipherContext::mac (line 525) ... ok
[INFO] [stdout] test src/lib.rs - SpritzCipherContext::crypt (line 375) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df779d2d1cb28cc5df657fee14ad1ad30fb02f04c84453378d056e48bb1c4a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df779d2d1cb28cc5df657fee14ad1ad30fb02f04c84453378d056e48bb1c4a5d", kill_on_drop: false }`
[INFO] [stdout] df779d2d1cb28cc5df657fee14ad1ad30fb02f04c84453378d056e48bb1c4a5d