[INFO] fetching crate spritz_cipher 0.1.0...
[INFO] testing spritz_cipher-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[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 ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statistical v1.0.0
[INFO] [stderr]   Downloaded zeroize_derive v1.0.0
[INFO] [stderr]   Downloaded zeroize v1.0.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbd434ca793995f37a9b9735902f7306f8c66fd56b7db27cbe05892fe09359e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbd434ca793995f37a9b9735902f7306f8c66fd56b7db27cbe05892fe09359e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd434ca793995f37a9b9735902f7306f8c66fd56b7db27cbe05892fe09359e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd434ca793995f37a9b9735902f7306f8c66fd56b7db27cbe05892fe09359e2", kill_on_drop: false }`
[INFO] [stdout] bbd434ca793995f37a9b9735902f7306f8c66fd56b7db27cbe05892fe09359e2
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2496f6525a7b96b6f77f7a0521e5fe6557c9ae48867a8312ce9902105dcabfe8
[INFO] running `Command { std: "docker" "start" "-a" "2496f6525a7b96b6f77f7a0521e5fe6557c9ae48867a8312ce9902105dcabfe8", kill_on_drop: false }`
[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 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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 319 | |         | ((self.random8() as u32) << 16)
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "2496f6525a7b96b6f77f7a0521e5fe6557c9ae48867a8312ce9902105dcabfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2496f6525a7b96b6f77f7a0521e5fe6557c9ae48867a8312ce9902105dcabfe8", kill_on_drop: false }`
[INFO] [stdout] 2496f6525a7b96b6f77f7a0521e5fe6557c9ae48867a8312ce9902105dcabfe8
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac578b219da677851d58b8971c93a22cc4957db91f575c0789cbb0f2ee76e37f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac578b219da677851d58b8971c93a22cc4957db91f575c0789cbb0f2ee76e37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 319 | |         | ((self.random8() as u32) << 16)
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[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: 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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stdout] 319 | |         | ((self.random8() as u32) << 16)
[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: 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: 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: 1 warning 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 14.19s
[INFO] running `Command { std: "docker" "inspect" "ac578b219da677851d58b8971c93a22cc4957db91f575c0789cbb0f2ee76e37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac578b219da677851d58b8971c93a22cc4957db91f575c0789cbb0f2ee76e37f", kill_on_drop: false }`
[INFO] [stdout] ac578b219da677851d58b8971c93a22cc4957db91f575c0789cbb0f2ee76e37f
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34530381a008eca40e5bbb280b0ecb008b0f126fe4a9f6d4dc654d53fa6cd7a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34530381a008eca40e5bbb280b0ecb008b0f126fe4a9f6d4dc654d53fa6cd7a4", 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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stderr] 319 | |         | ((self.random8() as u32) << 16)
[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] [stderr] 
[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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stderr] 319 | |         | ((self.random8() as u32) << 16)
[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] [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: 2 warnings emitted
[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: 2 warnings emitted
[INFO] [stderr] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[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 unittests (/opt/rustwide/target/debug/deps/spritz_cipher-96bd31b7d103909b)
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-4fa73bf45140924f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test basic_tests::crypt ... ok
[INFO] [stdout] test basic_tests::mac ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/c_check.rs (/opt/rustwide/target/debug/deps/c_check-b00a8ab4c7de761e)
[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 0.01s
[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] 318 | |         | ((self.random8() as u32) <<  8)
[INFO] [stderr] 319 | |         | ((self.random8() as u32) << 16)
[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] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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] test src/lib.rs - SpritzCipherContext::compare (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34530381a008eca40e5bbb280b0ecb008b0f126fe4a9f6d4dc654d53fa6cd7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34530381a008eca40e5bbb280b0ecb008b0f126fe4a9f6d4dc654d53fa6cd7a4", kill_on_drop: false }`
[INFO] [stdout] 34530381a008eca40e5bbb280b0ecb008b0f126fe4a9f6d4dc654d53fa6cd7a4