[INFO] cloning repository https://github.com/luisburigo/crypto-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luisburigo/crypto-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisburigo%2Fcrypto-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisburigo%2Fcrypto-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c47ff5115c4eb02e3dce2b922bceb9646cfe3f30
[INFO] checking luisburigo/crypto-challenges against f3df2feb79b2422c028f78855ec6ffe2e212d7cc for pr-163699
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluisburigo%2Fcrypto-challenges" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luisburigo/crypto-challenges
[INFO] finished tweaking git repo https://github.com/luisburigo/crypto-challenges
[INFO] tweaked toml for git repo https://github.com/luisburigo/crypto-challenges written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luisburigo/crypto-challenges on toolchain f3df2feb79b2422c028f78855ec6ffe2e212d7cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luisburigo/crypto-challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9
[INFO] running `Command { std: "docker" "start" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/challenges/shared)
[INFO] [stderr]     Checking base64 v0.1.0 (/opt/rustwide/workdir/challenges/base64)
[INFO] [stderr]     Checking single_xor v0.1.0 (/opt/rustwide/workdir/challenges/single_xor)
[INFO] [stderr]     Checking fixed_xor v0.1.0 (/opt/rustwide/workdir/challenges/fixed_xor)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> challenges/single_xor/src/lib.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |     value.iter().enumerate().map(|(i, &x)| x ^ key).collect()
[INFO] [stdout]   |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> challenges/single_xor/src/lib.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 |     value.iter().enumerate().map(|(i, &x)| x ^ key).collect()
[INFO] [stdout]   |                                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9", kill_on_drop: false }`
[INFO] [stdout] 13b1cb88ad249a3c95ac33a10fbc953ebebca2924672183c5f45a618b65c95c9
