[INFO] cloning repository https://github.com/benblank/cryptopals-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benblank/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenblank%2Fcryptopals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenblank%2Fcryptopals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e105b5a68589e170414be673ab2d2bf0eefa2475
[INFO] checking benblank/cryptopals-rust against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenblank%2Fcryptopals-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benblank/cryptopals-rust on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benblank/cryptopals-rust
[INFO] finished tweaking git repo https://github.com/benblank/cryptopals-rust
[INFO] tweaked toml for git repo https://github.com/benblank/cryptopals-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/benblank/cryptopals-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42099162a20fbc98f5b0883d505760d843cda4e248120aa91fe46783a3c97273
[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" "42099162a20fbc98f5b0883d505760d843cda4e248120aa91fe46783a3c97273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42099162a20fbc98f5b0883d505760d843cda4e248120aa91fe46783a3c97273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42099162a20fbc98f5b0883d505760d843cda4e248120aa91fe46783a3c97273", kill_on_drop: false }`
[INFO] [stdout] 42099162a20fbc98f5b0883d505760d843cda4e248120aa91fe46783a3c97273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4158a94726a10ffe578feaf7e5388a42dabd00621d97ef48c0aaef1f533c43a9
[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" "4158a94726a10ffe578feaf7e5388a42dabd00621d97ef48c0aaef1f533c43a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `encrypt_block`
[INFO] [stdout]   --> src/rijndael.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn encrypt_block(block: &[u8], key: &[u8]) -> Result<Vec<u8>, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mix_column`
[INFO] [stdout]    --> src/rijndael.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn mix_column(column: &mut [u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mix_columns`
[INFO] [stdout]    --> src/rijndael.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn mix_columns(state: &mut [u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shift_rows`
[INFO] [stdout]    --> src/rijndael.rs:257:4
[INFO] [stdout]     |
[INFO] [stdout] 257 | fn shift_rows(state: &mut [u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "4158a94726a10ffe578feaf7e5388a42dabd00621d97ef48c0aaef1f533c43a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4158a94726a10ffe578feaf7e5388a42dabd00621d97ef48c0aaef1f533c43a9", kill_on_drop: false }`
[INFO] [stdout] 4158a94726a10ffe578feaf7e5388a42dabd00621d97ef48c0aaef1f533c43a9