[INFO] cloning repository https://github.com/nicofff/rustopals
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicofff/rustopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frustopals"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frustopals'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9753226cc55245c6df428bebcf6870b9871d09c5
[INFO] checking nicofff/rustopals against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frustopals" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicofff/rustopals on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nicofff/rustopals
[INFO] finished tweaking git repo https://github.com/nicofff/rustopals
[INFO] tweaked toml for git repo https://github.com/nicofff/rustopals written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nicofff/rustopals already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f64a02ddb9378ef47fb07019d52bb2702fef16ed2f2960de6b2cc88fb1ea4e9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f64a02ddb9378ef47fb07019d52bb2702fef16ed2f2960de6b2cc88fb1ea4e9f"`
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `bytes_to_hex`, `hex_to_bytes`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use formatters::{hex_to_bytes,bytes_to_hex,b64_to_bytes};
[INFO] [stderr]   |                  ^^^^^^^^^^^^ ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bytes_to_hex`, `hex_to_bytes`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use formatters::{hex_to_bytes,bytes_to_hex,b64_to_bytes};
[INFO] [stderr]   |                  ^^^^^^^^^^^^ ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]  --> src/formatters.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn hex_to_bytes(buffer: &str) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_hex`
[INFO] [stderr]   --> src/formatters.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn bytes_to_hex(buffer: &[u8]) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_b64`
[INFO] [stderr]   --> src/formatters.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn bytes_to_b64(buffer: &[u8]) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_b64`
[INFO] [stderr]   --> src/formatters.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn hex_to_b64(buffer: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b64_to_hex`
[INFO] [stderr]   --> src/formatters.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn b64_to_hex(buffer: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_xor`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn fixed_xor(buffer1: &[u8], buffer2:&[u8]) -> Vec<u8>{
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]  --> src/formatters.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn hex_to_bytes(buffer: &str) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_hex`
[INFO] [stderr]   --> src/formatters.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn bytes_to_hex(buffer: &[u8]) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bytes_to_b64`
[INFO] [stderr]   --> src/formatters.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn bytes_to_b64(buffer: &[u8]) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_b64`
[INFO] [stderr]   --> src/formatters.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn hex_to_b64(buffer: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b64_to_hex`
[INFO] [stderr]   --> src/formatters.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn b64_to_hex(buffer: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_xor`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn fixed_xor(buffer1: &[u8], buffer2:&[u8]) -> Vec<u8>{
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `"docker" "inspect" "f64a02ddb9378ef47fb07019d52bb2702fef16ed2f2960de6b2cc88fb1ea4e9f"`
[INFO] running `"docker" "rm" "-f" "f64a02ddb9378ef47fb07019d52bb2702fef16ed2f2960de6b2cc88fb1ea4e9f"`
[INFO] [stdout] f64a02ddb9378ef47fb07019d52bb2702fef16ed2f2960de6b2cc88fb1ea4e9f