[INFO] cloning repository https://github.com/Lucas-Palomo/Block-Word-Chain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lucas-Palomo/Block-Word-Chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas-Palomo%2FBlock-Word-Chain"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas-Palomo%2FBlock-Word-Chain'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18097786285891195c73fcf6bb077124f29c0e47
[INFO] checking Lucas-Palomo/Block-Word-Chain against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucas-Palomo%2FBlock-Word-Chain" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lucas-Palomo/Block-Word-Chain on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Lucas-Palomo/Block-Word-Chain
[INFO] finished tweaking git repo https://github.com/Lucas-Palomo/Block-Word-Chain
[INFO] tweaked toml for git repo https://github.com/Lucas-Palomo/Block-Word-Chain written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Lucas-Palomo/Block-Word-Chain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7bf7686bddeeb3183c5d2155e5ff47d67c68ba5ca5400223851d78be3356ae68
[INFO] running `"docker" "start" "-a" "7bf7686bddeeb3183c5d2155e5ff47d67c68ba5ca5400223851d78be3356ae68"`
[INFO] [stderr]     Checking blockword v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Word`
[INFO] [stderr]  --> src/main_mod/block.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::main_mod::objects::{BlockChain, Word};
[INFO] [stderr]   |                                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]  --> src/main_mod/block.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr::null;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Sub`
[INFO] [stderr]  --> src/main_mod/block.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Sub;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> src/main_mod/block.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn insert_into_block(sentence: &str, block: BlockChain) {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_block`
[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]  --> src/main_mod/block.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut block = BlockChain {
[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: function is never used: `make_hash`
[INFO] [stderr]   --> src/main_mod/block.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn make_hash(word: &str) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_ascii`
[INFO] [stderr]   --> src/main_mod/block.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn get_ascii(word: &str) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_hash`
[INFO] [stderr]   --> src/main_mod/block.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calc_hash(chars: Vec<u32>) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Word`
[INFO] [stderr]  --> src/main_mod/block.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::main_mod::objects::{BlockChain, Word};
[INFO] [stderr]   |                                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]  --> src/main_mod/block.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr::null;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Sub`
[INFO] [stderr]  --> src/main_mod/block.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Sub;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> src/main_mod/block.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn insert_into_block(sentence: &str, block: BlockChain) {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_block`
[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]  --> src/main_mod/block.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut block = BlockChain {
[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: function is never used: `make_hash`
[INFO] [stderr]   --> src/main_mod/block.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn make_hash(word: &str) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_ascii`
[INFO] [stderr]   --> src/main_mod/block.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn get_ascii(word: &str) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc_hash`
[INFO] [stderr]   --> src/main_mod/block.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calc_hash(chars: Vec<u32>) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "7bf7686bddeeb3183c5d2155e5ff47d67c68ba5ca5400223851d78be3356ae68"`
[INFO] running `"docker" "rm" "-f" "7bf7686bddeeb3183c5d2155e5ff47d67c68ba5ca5400223851d78be3356ae68"`
[INFO] [stdout] 7bf7686bddeeb3183c5d2155e5ff47d67c68ba5ca5400223851d78be3356ae68