[INFO] updating cached repository https://github.com/MichaelBlume/crypto-pals
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 82c8c0ceb710c01dfbe3fe0b21eeb58bb355ff0b
[INFO] checking MichaelBlume/crypto-pals against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelBlume%2Fcrypto-pals" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MichaelBlume/crypto-pals 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/MichaelBlume/crypto-pals
[INFO] finished tweaking git repo https://github.com/MichaelBlume/crypto-pals
[INFO] tweaked toml for git repo https://github.com/MichaelBlume/crypto-pals written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelBlume/crypto-pals 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa282df411845fb2b50d78a394bb3e6868804de8e4e200f7039d904798e7dbfd
[INFO] running `"docker" "start" "-a" "aa282df411845fb2b50d78a394bb3e6868804de8e4e200f7039d904798e7dbfd"`
[INFO] [stderr]     Checking crypto-pals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `xor_buffers`
[INFO] [stderr]   --> src/main.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn xor_buffers(s1: &[u8], s2: &[u8], out_buffer: &mut [u8]) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_byte_to_nibble`
[INFO] [stderr]   --> src/main.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn hex_byte_to_nibble(b: u8) -> u8 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytestring`
[INFO] [stderr]   --> src/main.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn hex_to_bytestring(s: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_scoring_table`
[INFO] [stderr]   --> src/main.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn create_scoring_table() -> [u8; 256] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `score_string_with_key`
[INFO] [stderr]    --> src/main.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn score_string_with_key(cipher_string: &Vec<u8>, key: u8, score_table: &[u8]) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_string_with_key`
[INFO] [stderr]    --> src/main.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn decode_string_with_key(cipher_string: &mut Vec<u8>, key: u8) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_hex_cipher`
[INFO] [stderr]    --> src/main.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn decode_hex_cipher(s: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "aa282df411845fb2b50d78a394bb3e6868804de8e4e200f7039d904798e7dbfd"`
[INFO] running `"docker" "rm" "-f" "aa282df411845fb2b50d78a394bb3e6868804de8e4e200f7039d904798e7dbfd"`
[INFO] [stdout] aa282df411845fb2b50d78a394bb3e6868804de8e4e200f7039d904798e7dbfd