[INFO] cloning repository https://github.com/MichaelBlume/crypto-pals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelBlume/crypto-pals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelBlume%2Fcrypto-pals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelBlume%2Fcrypto-pals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82c8c0ceb710c01dfbe3fe0b21eeb58bb355ff0b
[INFO] checking MichaelBlume/crypto-pals against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelBlume%2Fcrypto-pals" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MichaelBlume/crypto-pals on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelBlume/crypto-pals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd05b2a8f70153c7620cf323c73db96f278dabdbd86e3435ddee746581bf1784
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd05b2a8f70153c7620cf323c73db96f278dabdbd86e3435ddee746581bf1784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd05b2a8f70153c7620cf323c73db96f278dabdbd86e3435ddee746581bf1784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd05b2a8f70153c7620cf323c73db96f278dabdbd86e3435ddee746581bf1784", kill_on_drop: false }`
[INFO] [stdout] bd05b2a8f70153c7620cf323c73db96f278dabdbd86e3435ddee746581bf1784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 884cc948105044ebb9d04193fd0763db5c78ec9b204bf1b6ad7e3f4603948596
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "884cc948105044ebb9d04193fd0763db5c78ec9b204bf1b6ad7e3f4603948596", kill_on_drop: false }`
[INFO] [stderr]     Checking crypto-pals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `xor_buffers`
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn xor_buffers(s1: &[u8], s2: &[u8], out_buffer: &mut [u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_byte_to_nibble`
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn hex_byte_to_nibble(b: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_bytestring`
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn hex_to_bytestring(s: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_scoring_table`
[INFO] [stdout]   --> src/main.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn create_scoring_table() -> [u8; 256] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score_string_with_key`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn score_string_with_key(cipher_string: &Vec<u8>, key: u8, score_table: &[u8]) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_string_with_key`
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn decode_string_with_key(cipher_string: &mut Vec<u8>, key: u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_hex_cipher`
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn decode_hex_cipher(s: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "884cc948105044ebb9d04193fd0763db5c78ec9b204bf1b6ad7e3f4603948596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884cc948105044ebb9d04193fd0763db5c78ec9b204bf1b6ad7e3f4603948596", kill_on_drop: false }`
[INFO] [stdout] 884cc948105044ebb9d04193fd0763db5c78ec9b204bf1b6ad7e3f4603948596