[INFO] cloning repository https://github.com/Azathoth1729/rbittorrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Azathoth1729/rbittorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzathoth1729%2Frbittorrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzathoth1729%2Frbittorrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c303a57b77f8d93c3ac0c5f3ee75b3ed8ac6c458
[INFO] checking Azathoth1729/rbittorrent 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%2FAzathoth1729%2Frbittorrent" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Azathoth1729/rbittorrent
[INFO] finished tweaking git repo https://github.com/Azathoth1729/rbittorrent
[INFO] tweaked toml for git repo https://github.com/Azathoth1729/rbittorrent written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Azathoth1729/rbittorrent 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/Azathoth1729/rbittorrent 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
[INFO] [stdout] 241b5587bf0ae2b83db4b234fc06a2302d74f4e0915a464be094d7df34194ed4
[INFO] running `Command { std: "docker" "start" "-a" "241b5587bf0ae2b83db4b234fc06a2302d74f4e0915a464be094d7df34194ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241b5587bf0ae2b83db4b234fc06a2302d74f4e0915a464be094d7df34194ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241b5587bf0ae2b83db4b234fc06a2302d74f4e0915a464be094d7df34194ed4", kill_on_drop: false }`
[INFO] [stdout] 241b5587bf0ae2b83db4b234fc06a2302d74f4e0915a464be094d7df34194ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47ee6f3fd47f5baf289a504da3491691ab5f2c47e3ae8a9b93097324c8f4a48a
[INFO] running `Command { std: "docker" "start" "-a" "47ee6f3fd47f5baf289a504da3491691ab5f2c47e3ae8a9b93097324c8f4a48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking openssl v0.10.56
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking clap v4.3.22
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.4.3
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.2
[INFO] [stderr]     Checking bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/peer.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn try_from_bytes(data: &[u8]) -> anyhow::Result<&Self> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/peer.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn try_from_bytes(data: &[u8]) -> anyhow::Result<&Self> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let a = &piece_msg.payload[..];
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MEM_SIZE` is never used
[INFO] [stdout]    --> src/peer.rs:126:11
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Handshake {
[INFO] [stdout]     | -------------- associated constant in this implementation
[INFO] [stdout] 126 |     const MEM_SIZE: usize = std::mem::size_of::<Self>();
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index`, `begin`, and `length` are never used
[INFO] [stdout]    --> src/peer.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl MessageRequest {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn index(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     pub fn length(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from_bytes` is never used
[INFO] [stdout]    --> src/peer.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | impl MessagePiece {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn try_from_bytes(data: &[u8]) -> anyhow::Result<&Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let a = &piece_msg.payload[..];
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/main.rs:261:34
[INFO] [stdout]     |
[INFO] [stdout] 261 |               let hash: [u8; 20] = hasher
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 262 | |                 .finalize()
[INFO] [stdout] 263 | |                 .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] warning: associated constant `MEM_SIZE` is never used
[INFO] [stdout]    --> src/peer.rs:126:11
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Handshake {
[INFO] [stdout]     | -------------- associated constant in this implementation
[INFO] [stdout] 126 |     const MEM_SIZE: usize = std::mem::size_of::<Self>();
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index`, `begin`, and `length` are never used
[INFO] [stdout]    --> src/peer.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 252 | impl MessageRequest {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn index(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     pub fn length(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from_bytes` is never used
[INFO] [stdout]    --> src/peer.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | impl MessagePiece {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn try_from_bytes(data: &[u8]) -> anyhow::Result<&Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/main.rs:261:34
[INFO] [stdout]     |
[INFO] [stdout] 261 |               let hash: [u8; 20] = hasher
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 262 | |                 .finalize()
[INFO] [stdout] 263 | |                 .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] [stderr] error: could not compile `bittorrent-starter-rust` (bin "bittorrent-starter-rust") due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bittorrent-starter-rust` (bin "bittorrent-starter-rust" test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "47ee6f3fd47f5baf289a504da3491691ab5f2c47e3ae8a9b93097324c8f4a48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ee6f3fd47f5baf289a504da3491691ab5f2c47e3ae8a9b93097324c8f4a48a", kill_on_drop: false }`
[INFO] [stdout] 47ee6f3fd47f5baf289a504da3491691ab5f2c47e3ae8a9b93097324c8f4a48a
