[INFO] cloning repository https://github.com/micskeil/codecrafters-bittorrent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micskeil/codecrafters-bittorrent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicskeil%2Fcodecrafters-bittorrent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicskeil%2Fcodecrafters-bittorrent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc6a647788097ebd73a97a090945e7242a47fb8a
[INFO] checking micskeil/codecrafters-bittorrent-rust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicskeil%2Fcodecrafters-bittorrent-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/micskeil/codecrafters-bittorrent-rust
[INFO] finished tweaking git repo https://github.com/micskeil/codecrafters-bittorrent-rust
[INFO] tweaked toml for git repo https://github.com/micskeil/codecrafters-bittorrent-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/micskeil/codecrafters-bittorrent-rust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/micskeil/codecrafters-bittorrent-rust 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee09ed81d6963f5a86b7508d17b7b2d169836bbecb5ca367cee6936b928b3b7
[INFO] running `Command { std: "docker" "start" "-a" "0ee09ed81d6963f5a86b7508d17b7b2d169836bbecb5ca367cee6936b928b3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee09ed81d6963f5a86b7508d17b7b2d169836bbecb5ca367cee6936b928b3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee09ed81d6963f5a86b7508d17b7b2d169836bbecb5ca367cee6936b928b3b7", kill_on_drop: false }`
[INFO] [stdout] 0ee09ed81d6963f5a86b7508d17b7b2d169836bbecb5ca367cee6936b928b3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9639112e6782cf587566dea9e9042ab27008e3a13db9416ae3a01e6d9c31e14
[INFO] running `Command { std: "docker" "start" "-a" "c9639112e6782cf587566dea9e9042ab27008e3a13db9416ae3a01e6d9c31e14", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SerializeMap` and `SerializeSeq`
[INFO] [stdout]    --> src/main.rs:101:33
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use serde::ser::{Serialize, SerializeMap, SerializeSeq, Serializer};
[INFO] [stdout]     |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SerializeMap` and `SerializeSeq`
[INFO] [stdout]    --> src/main.rs:101:33
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use serde::ser::{Serialize, SerializeMap, SerializeSeq, Serializer};
[INFO] [stdout]     |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "c9639112e6782cf587566dea9e9042ab27008e3a13db9416ae3a01e6d9c31e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9639112e6782cf587566dea9e9042ab27008e3a13db9416ae3a01e6d9c31e14", kill_on_drop: false }`
[INFO] [stdout] c9639112e6782cf587566dea9e9042ab27008e3a13db9416ae3a01e6d9c31e14