[INFO] cloning repository https://github.com/n0manarmy/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/n0manarmy/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0manarmy%2Fcryptopals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0manarmy%2Fcryptopals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81cdd3d0f9d4f84b194f288b16a29a1a832bbab3
[INFO] checking n0manarmy/cryptopals-rust against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0manarmy%2Fcryptopals-rust" "/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/n0manarmy/cryptopals-rust on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n0manarmy/cryptopals-rust
[INFO] finished tweaking git repo https://github.com/n0manarmy/cryptopals-rust
[INFO] tweaked toml for git repo https://github.com/n0manarmy/cryptopals-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/n0manarmy/cryptopals-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26b1de931a33ce460b09516e42370337864fc71a5f1a956a9e1217bf31a987f
[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" "a26b1de931a33ce460b09516e42370337864fc71a5f1a956a9e1217bf31a987f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26b1de931a33ce460b09516e42370337864fc71a5f1a956a9e1217bf31a987f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26b1de931a33ce460b09516e42370337864fc71a5f1a956a9e1217bf31a987f", kill_on_drop: false }`
[INFO] [stdout] a26b1de931a33ce460b09516e42370337864fc71a5f1a956a9e1217bf31a987f
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9430404ef141c1114587f758a298902c860c18dd61bb2319f663345615d2dbb7
[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" "9430404ef141c1114587f758a298902c860c18dd61bb2319f663345615d2dbb7", kill_on_drop: false }`
[INFO] [stderr]     Checking cryptopals_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `encode_hex_vec`
[INFO] [stdout]  --> src/base64/encoder.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn encode_hex_vec(buf: Vec<u32>) -> 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: `encode_str`
[INFO] [stdout]   --> src/base64/encoder.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn encode_str(val: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enc_str`
[INFO] [stdout]   --> src/bin/set1_ch7.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let enc_str: Vec<u8> = enc_str.bytes().collect();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enc_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enc_str`
[INFO] [stdout]   --> src/bin/set1_ch7.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let enc_str: Vec<u8> = enc_str.bytes().collect();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enc_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_hex_vec`
[INFO] [stdout]  --> src/base64/encoder.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn encode_hex_vec(buf: Vec<u32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "9430404ef141c1114587f758a298902c860c18dd61bb2319f663345615d2dbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9430404ef141c1114587f758a298902c860c18dd61bb2319f663345615d2dbb7", kill_on_drop: false }`
[INFO] [stdout] 9430404ef141c1114587f758a298902c860c18dd61bb2319f663345615d2dbb7