[INFO] cloning repository https://github.com/ekaterinaYashkina/HammingCode1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekaterinaYashkina/HammingCode1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FekaterinaYashkina%2FHammingCode1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FekaterinaYashkina%2FHammingCode1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b5a689497b81a101d93d0ebb4e3788509454dc4
[INFO] testing ekaterinaYashkina/HammingCode1 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FekaterinaYashkina%2FHammingCode1" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekaterinaYashkina/HammingCode1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekaterinaYashkina/HammingCode1
[INFO] finished tweaking git repo https://github.com/ekaterinaYashkina/HammingCode1
[INFO] tweaked toml for git repo https://github.com/ekaterinaYashkina/HammingCode1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ekaterinaYashkina/HammingCode1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa4fd576cdc44fe5598627a707ec50d8812187c63fed758719190870a64a7e9
[INFO] running `Command { std: "docker" "start" "-a" "0aa4fd576cdc44fe5598627a707ec50d8812187c63fed758719190870a64a7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa4fd576cdc44fe5598627a707ec50d8812187c63fed758719190870a64a7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa4fd576cdc44fe5598627a707ec50d8812187c63fed758719190870a64a7e9", kill_on_drop: false }`
[INFO] [stdout] 0aa4fd576cdc44fe5598627a707ec50d8812187c63fed758719190870a64a7e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e70204315a3e1bbfe857ac360adf636dcad462fee4a26ca98b7a287ecb7114
[INFO] running `Command { std: "docker" "start" "-a" "02e70204315a3e1bbfe857ac360adf636dcad462fee4a26ca98b7a287ecb7114", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling HammingCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]  --> src/encoder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::num::abs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             if (pos >= ((with_parity.len()) as u32)){
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if (with_parity.get(pos as usize).unwrap() == true){
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if (c<pow) {
[INFO] [stdout]    |                ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if (counter%2 == 0) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]  --> src/decoder.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use self::num::abs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/decoder.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if (end>word.len()){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/decoder.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if (pp==2u32.pow(a)){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 115 |                    if (ind1==4){
[INFO] [stdout]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if (decoded.get(bit_to_flip ).unwrap()==true){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |             if (decoded.get(6 ).unwrap()==true){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if (code.get((2u32.pow(x)-1) as usize).unwrap()!=kk){
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::bit_vec::BitVec`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use self::bit_vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/encoder.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/encoder.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `trunc` is never read
[INFO] [stdout]   --> src/decoder.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut trunc = BitVec::new();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clear_vec`
[INFO] [stdout]    --> src/decoder.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut clear_vec = BitVec::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clear_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/encoder.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut bv = BitVec::from_bytes(&(word.into_bytes()));
[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/decoder.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut clear_vec = BitVec::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/decoder.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut av_indexes = indexes_to_check(x, 7);
[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/decoder.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut encoded = flipped_bit(indexes, parity, code);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `HammingCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `hamming_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/encoder.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stdout]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/encoder.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                   ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/decoder.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stdout]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "02e70204315a3e1bbfe857ac360adf636dcad462fee4a26ca98b7a287ecb7114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e70204315a3e1bbfe857ac360adf636dcad462fee4a26ca98b7a287ecb7114", kill_on_drop: false }`
[INFO] [stdout] 02e70204315a3e1bbfe857ac360adf636dcad462fee4a26ca98b7a287ecb7114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23a00dd00a7a151e0400723376ac0b15a2a089ae16bda9b7e9680bd20d4b1f0
[INFO] running `Command { std: "docker" "start" "-a" "f23a00dd00a7a151e0400723376ac0b15a2a089ae16bda9b7e9680bd20d4b1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling HammingCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]  --> src/encoder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::num::abs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             if (pos >= ((with_parity.len()) as u32)){
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |             if (with_parity.get(pos as usize).unwrap() == true){
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if (c<pow) {
[INFO] [stdout]    |                ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/encoder.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if (counter%2 == 0) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::num::abs`
[INFO] [stdout]  --> src/decoder.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use self::num::abs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/decoder.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if (end>word.len()){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/decoder.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if (pp==2u32.pow(a)){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout] 115 |                    if (ind1==4){
[INFO] [stdout]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if (decoded.get(bit_to_flip ).unwrap()==true){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |             if (decoded.get(6 ).unwrap()==true){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/decoder.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if (code.get((2u32.pow(x)-1) as usize).unwrap()!=kk){
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::bit_vec::BitVec`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use self::bit_vec::BitVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/encoder.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/encoder.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `trunc` is never read
[INFO] [stdout]   --> src/decoder.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut trunc = BitVec::new();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clear_vec`
[INFO] [stdout]    --> src/decoder.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut clear_vec = BitVec::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clear_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/encoder.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut bv = BitVec::from_bytes(&(word.into_bytes()));
[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/decoder.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut clear_vec = BitVec::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/decoder.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut av_indexes = indexes_to_check(x, 7);
[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/decoder.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut encoded = flipped_bit(indexes, parity, code);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `HammingCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `hamming_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/encoder.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stdout]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/encoder.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stdout]    |                   ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bVec` should have a snake case name
[INFO] [stdout]   --> src/decoder.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stdout]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f23a00dd00a7a151e0400723376ac0b15a2a089ae16bda9b7e9680bd20d4b1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23a00dd00a7a151e0400723376ac0b15a2a089ae16bda9b7e9680bd20d4b1f0", kill_on_drop: false }`
[INFO] [stdout] f23a00dd00a7a151e0400723376ac0b15a2a089ae16bda9b7e9680bd20d4b1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc0e5f21f57e88cef78f4a66cc46b19e00a4ae4039e80c779ab2d7261c55a7b7
[INFO] running `Command { std: "docker" "start" "-a" "cc0e5f21f57e88cef78f4a66cc46b19e00a4ae4039e80c779ab2d7261c55a7b7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::num::abs`
[INFO] [stderr]  --> src/encoder.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::num::abs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/encoder.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |             if (pos >= ((with_parity.len()) as u32)){
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/encoder.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |             if (with_parity.get(pos as usize).unwrap() == true){
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/encoder.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if (c<pow) {
[INFO] [stderr]    |                ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/encoder.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if (counter%2 == 0) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::num::abs`
[INFO] [stderr]  --> src/decoder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use self::num::abs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/decoder.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |         if (end>word.len()){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/decoder.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |         if (pp==2u32.pow(a)){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/decoder.rs:115:23
[INFO] [stderr]     |
[INFO] [stderr] 115 |                    if (ind1==4){
[INFO] [stderr]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/decoder.rs:130:16
[INFO] [stderr]     |
[INFO] [stderr] 130 |             if (decoded.get(bit_to_flip ).unwrap()==true){
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/decoder.rs:136:16
[INFO] [stderr]     |
[INFO] [stderr] 136 |             if (decoded.get(6 ).unwrap()==true){
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/decoder.rs:173:12
[INFO] [stderr]     |
[INFO] [stderr] 173 |         if (code.get((2u32.pow(x)-1) as usize).unwrap()!=kk){
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::bit_vec::BitVec`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::bit_vec::BitVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/encoder.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/encoder.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `trunc` is never read
[INFO] [stderr]   --> src/decoder.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut trunc = BitVec::new();
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `clear_vec`
[INFO] [stderr]    --> src/decoder.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut clear_vec = BitVec::new();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clear_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/encoder.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut bv = BitVec::from_bytes(&(word.into_bytes()));
[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/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut clear_vec = BitVec::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/decoder.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut av_indexes = indexes_to_check(x, 7);
[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/decoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut encoded = flipped_bit(indexes, parity, code);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `HammingCode` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `hamming_code`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bVec` should have a snake case name
[INFO] [stderr]   --> src/encoder.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stderr]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bVec` should have a snake case name
[INFO] [stderr]   --> src/encoder.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn set_parity(bVec:BitVec, a:u32, b:u32, c:u32) -> BitVec{
[INFO] [stderr]    |                   ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bVec` should have a snake case name
[INFO] [stderr]   --> src/decoder.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn copy_bits(bVec:&BitVec, a:usize, b:usize) -> BitVec{
[INFO] [stderr]    |                  ^^^^ help: convert the identifier to snake case: `b_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: `HammingCode` (bin "HammingCode" test) generated 25 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/HammingCode-6f71621c2ebf3527)
[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] running `Command { std: "docker" "inspect" "cc0e5f21f57e88cef78f4a66cc46b19e00a4ae4039e80c779ab2d7261c55a7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0e5f21f57e88cef78f4a66cc46b19e00a4ae4039e80c779ab2d7261c55a7b7", kill_on_drop: false }`
[INFO] [stdout] cc0e5f21f57e88cef78f4a66cc46b19e00a4ae4039e80c779ab2d7261c55a7b7