[INFO] updating cached repository https://github.com/picklenerd/cryptopals
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ae5bffe918715836805174bc7b0f5b56804b977
[INFO] checking picklenerd/cryptopals against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicklenerd%2Fcryptopals" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/picklenerd/cryptopals on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/picklenerd/cryptopals
[INFO] finished tweaking git repo https://github.com/picklenerd/cryptopals
[INFO] tweaked toml for git repo https://github.com/picklenerd/cryptopals written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/picklenerd/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a69f55647b0b3c71f704a6e8866ca4d24e5274366ab89160618deedd2b13f97
[INFO] running `"docker" "start" "-a" "7a69f55647b0b3c71f704a6e8866ca4d24e5274366ab89160618deedd2b13f97"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::byte_operations::bytes_xor`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use crate::byte_operations::bytes_xor;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::byte_operations::bytes_xor`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use crate::byte_operations::bytes_xor;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn repeating_key_xor(bytes: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stderr]   |                          ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn repeating_key_xor(bytes: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stderr]   |                                        ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn repeating_key_xor(bytes: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stderr]   |                          ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/ciphers/repeating_key_xor.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn repeating_key_xor(bytes: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stderr]   |                                        ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_line_1`
[INFO] [stderr]    --> src/set1.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let input_line_1 = "Burning 'em, if you ain't quick and nimble";
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_line_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_line_2`
[INFO] [stderr]    --> src/set1.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let input_line_2 = "I go crazy when I hear a cymbal";
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_line_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/set1.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let key = "ICE";
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected_output_line_1`
[INFO] [stderr]    --> src/set1.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let expected_output_line_1 = "0b3637272a2b2e63622c2e69692a23693a2a3c6324202d623d63343c2a26226324272765272";
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expected_output_line_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected_output_line_2`
[INFO] [stderr]    --> src/set1.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let expected_output_line_2 = "a282b2f20430a652e2c652a3124333a653e2b2027630c692b20283165286326302e27282f";
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_expected_output_line_2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "7a69f55647b0b3c71f704a6e8866ca4d24e5274366ab89160618deedd2b13f97"`
[INFO] running `"docker" "rm" "-f" "7a69f55647b0b3c71f704a6e8866ca4d24e5274366ab89160618deedd2b13f97"`
[INFO] [stdout] 7a69f55647b0b3c71f704a6e8866ca4d24e5274366ab89160618deedd2b13f97