[INFO] fetching crate rusty_crypto 0.1.24...
[INFO] checking rusty_crypto-0.1.24 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rusty_crypto 0.1.24 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rusty_crypto 0.1.24 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_crypto 0.1.24
[INFO] finished tweaking crates.io crate rusty_crypto 0.1.24
[INFO] tweaked toml for crates.io crate rusty_crypto 0.1.24 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrix_kit v0.1.9
[INFO] [stderr]   Downloaded algebra_kit v0.1.10
[INFO] [stderr]   Downloaded pqc_kyber v0.7.1
[INFO] [stderr]   Downloaded sylvan_number v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b122fae6cca265f16a734842b13334e0bcd6641046a96c5724d52a27261adfd2
[INFO] running `Command { std: "docker" "start" "-a" "b122fae6cca265f16a734842b13334e0bcd6641046a96c5724d52a27261adfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b122fae6cca265f16a734842b13334e0bcd6641046a96c5724d52a27261adfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b122fae6cca265f16a734842b13334e0bcd6641046a96c5724d52a27261adfd2", kill_on_drop: false }`
[INFO] [stdout] b122fae6cca265f16a734842b13334e0bcd6641046a96c5724d52a27261adfd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69f48ea6a0031ee8335ac27b09050477b562e9f42835d1867d6434f7c182f73
[INFO] running `Command { std: "docker" "start" "-a" "d69f48ea6a0031ee8335ac27b09050477b562e9f42835d1867d6434f7c182f73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling pqc_kyber v0.7.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking algebra_kit v0.1.10
[INFO] [stderr]     Checking sylvan_number v0.1.5
[INFO] [stderr]     Checking matrix_kit v0.1.9
[INFO] [stderr]     Checking rusty_crypto v0.1.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lwe::Ciphertext`
[INFO] [stdout]  --> src/speck.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{lwe::Ciphertext, padding, utility::PaddedFileStream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std_impls::ZM`
[INFO] [stdout]  --> src/secsharing/types.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use algebra_kit::{algebra::*, std_impls::ZM};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng`
[INFO] [stdout]  --> src/utility.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{rngs::StdRng, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lwe::enc`
[INFO] [stdout]   --> src/padding.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::lwe::enc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/lettuce.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     use rand::Rng;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lwe::Ciphertext`
[INFO] [stdout]  --> src/speck.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{lwe::Ciphertext, padding, utility::PaddedFileStream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std_impls::ZM`
[INFO] [stdout]  --> src/secsharing/types.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use algebra_kit::{algebra::*, std_impls::ZM};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng`
[INFO] [stdout]  --> src/utility.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{rngs::StdRng, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lwe::enc`
[INFO] [stdout]   --> src/padding.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::lwe::enc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/speck.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 |         Err(e) => false
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/speck.rs:214:7
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Ok(t) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/speck.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 |         Err(e) => false
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/speck.rs:214:7
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Ok(t) => (),
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lwe` is never used
[INFO] [stdout]    --> src/lwe.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn test_lwe() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_conversions` is never used
[INFO] [stdout]    --> src/lwe.rs:392:4
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn test_conversions() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_correctness` is never used
[INFO] [stdout]    --> src/lwe.rs:442:4
[INFO] [stdout]     |
[INFO] [stdout] 442 | fn test_correctness() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARED_SECRET_BYTES` is never used
[INFO] [stdout]  --> src/lettuce.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SHARED_SECRET_BYTES: usize = pqc_kyber::KYBER_SSBYTES;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SharedSecret` is never used
[INFO] [stdout]   --> src/lettuce.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type SharedSecret = [u8 ; SHARED_SECRET_BYTES];
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CiphertextKEM` is never used
[INFO] [stdout]   --> src/lettuce.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type CiphertextKEM = [u8 ; CIPHERTEXT_KEM_BYTES];
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/speck_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_crypto::lwe::Ciphertext`
[INFO] [stdout]  --> tests/speck_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rusty_crypto::lwe::Ciphertext;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> tests/speck_tests.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rusty_crypto::speck::{self, Block, BLOCK_SIZE};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_crypto::utility::PaddedFileStream`
[INFO] [stdout]  --> tests/speck_tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rusty_crypto::utility::PaddedFileStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]   --> tests/speck_tests.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{stdin, ErrorKind, Read, Seek, Write};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lwe` is never used
[INFO] [stdout]    --> src/lwe.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn test_lwe() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_conversions` is never used
[INFO] [stdout]    --> src/lwe.rs:392:4
[INFO] [stdout]     |
[INFO] [stdout] 392 | fn test_conversions() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_correctness` is never used
[INFO] [stdout]    --> src/lwe.rs:442:4
[INFO] [stdout]     |
[INFO] [stdout] 442 | fn test_correctness() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHARED_SECRET_BYTES` is never used
[INFO] [stdout]  --> src/lettuce.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SHARED_SECRET_BYTES: usize = pqc_kyber::KYBER_SSBYTES;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SharedSecret` is never used
[INFO] [stdout]   --> src/lettuce.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type SharedSecret = [u8 ; SHARED_SECRET_BYTES];
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CiphertextKEM` is never used
[INFO] [stdout]   --> src/lettuce.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type CiphertextKEM = [u8 ; CIPHERTEXT_KEM_BYTES];
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> tests/speck_tests.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Err(e) => match File::create(path) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/speck_tests.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 |     for i in 0..1 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockStream` is never constructed
[INFO] [stdout]   --> tests/speck_tests.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct BlockStream<const N: usize> where [(); BLOCK_SIZE * N]: Sized {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `reset` are never used
[INFO] [stdout]   --> tests/speck_tests.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<const N: usize> BlockStream<N> where [(); BLOCK_SIZE * N]: Sized {
[INFO] [stdout]    | --------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 20 |     fn new() -> BlockStream<N> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/speck_tests.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 |             plaintext_file.write(&byte);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let _ = plaintext_file.write(&byte);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/speck_tests.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |         plaintext_file.rewind();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = plaintext_file.rewind();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/speck_tests.rs:100:3
[INFO] [stdout]     |
[INFO] [stdout] 100 |         recovered.rewind();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = recovered.rewind();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/speck_tests.rs:106:3
[INFO] [stdout]     |
[INFO] [stdout] 106 |         recovered.rewind();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = recovered.rewind();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/speck_tests.rs:107:3
[INFO] [stdout]     |
[INFO] [stdout] 107 |         plaintext_file.rewind();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let _ = plaintext_file.rewind();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "d69f48ea6a0031ee8335ac27b09050477b562e9f42835d1867d6434f7c182f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69f48ea6a0031ee8335ac27b09050477b562e9f42835d1867d6434f7c182f73", kill_on_drop: false }`
[INFO] [stdout] d69f48ea6a0031ee8335ac27b09050477b562e9f42835d1867d6434f7c182f73