[INFO] cloning repository https://github.com/jonhoo/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/jonhoo/codecrafters-bittorrent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fcodecrafters-bittorrent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fcodecrafters-bittorrent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dc424d4699febed87fefe8eef94509ab5392b56
[INFO] checking jonhoo/codecrafters-bittorrent-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Fcodecrafters-bittorrent-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonhoo/codecrafters-bittorrent-rust
[INFO] finished tweaking git repo https://github.com/jonhoo/codecrafters-bittorrent-rust
[INFO] tweaked toml for git repo https://github.com/jonhoo/codecrafters-bittorrent-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonhoo/codecrafters-bittorrent-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonhoo/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e26fe5bea34a8dc69ea71394e5b2d4b05b8beffbdc83a05a9c5aa9c0dc8cca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e26fe5bea34a8dc69ea71394e5b2d4b05b8beffbdc83a05a9c5aa9c0dc8cca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26fe5bea34a8dc69ea71394e5b2d4b05b8beffbdc83a05a9c5aa9c0dc8cca33", kill_on_drop: false }`
[INFO] [stdout] e26fe5bea34a8dc69ea71394e5b2d4b05b8beffbdc83a05a9c5aa9c0dc8cca33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d3aaf30f6babc654d60733e18f8549ebbb9ad3065e5ca3ef3b665e5a18230f
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[INFO] [stderr]    Compiling futures-task v0.3.29
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[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/peer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) struct Peer {
[INFO] [stdout]    |                   ---- field in this struct
[INFO] [stdout] 15 |     addr: SocketAddrV4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pieces` is never used
[INFO] [stdout]    --> src/peer.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 201 | impl Bitfield {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 211 |     pub(crate) fn pieces(&self) -> impl Iterator<Item = usize> + '_ {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/download.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |           let hash: [u8; 20] = hasher
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 158 | |             .finalize()
[INFO] [stdout] 159 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> src/torrent.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         hasher
[INFO] [stdout] 27 | |             .finalize()
[INFO] [stdout] 28 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]   --> src/peer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) struct Peer {
[INFO] [stdout]    |                   ---- field in this struct
[INFO] [stdout] 15 |     addr: SocketAddrV4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittorrent-starter-rust` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/download.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |           let hash: [u8; 20] = hasher
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 158 | |             .finalize()
[INFO] [stdout] 159 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> src/torrent.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         hasher
[INFO] [stdout] 27 | |             .finalize()
[INFO] [stdout] 28 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittorrent-starter-rust` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "98d3aaf30f6babc654d60733e18f8549ebbb9ad3065e5ca3ef3b665e5a18230f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d3aaf30f6babc654d60733e18f8549ebbb9ad3065e5ca3ef3b665e5a18230f", kill_on_drop: false }`
[INFO] [stdout] 98d3aaf30f6babc654d60733e18f8549ebbb9ad3065e5ca3ef3b665e5a18230f
