[INFO] cloning repository https://github.com/jonhoo/rust-tcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhoo/rust-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frust-tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frust-tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c1c10ae381a54f75892d1892e769137d5467a8d [INFO] testing jonhoo/rust-tcp against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frust-tcp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jonhoo/rust-tcp [INFO] finished tweaking git repo https://github.com/jonhoo/rust-tcp [INFO] tweaked toml for git repo https://github.com/jonhoo/rust-tcp written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jonhoo/rust-tcp on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jonhoo/rust-tcp 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49dff884da1b6b2f0be3233b2d3a90e7d1962de39509a2565335c45122050e82 [INFO] running `Command { std: "docker" "start" "-a" "49dff884da1b6b2f0be3233b2d3a90e7d1962de39509a2565335c45122050e82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49dff884da1b6b2f0be3233b2d3a90e7d1962de39509a2565335c45122050e82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49dff884da1b6b2f0be3233b2d3a90e7d1962de39509a2565335c45122050e82", kill_on_drop: false }` [INFO] [stdout] 49dff884da1b6b2f0be3233b2d3a90e7d1962de39509a2565335c45122050e82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9969d9e2146574eec886c698715287857398e87015074f2700c0f964c6606ff2 [INFO] running `Command { std: "docker" "start" "-a" "9969d9e2146574eec886c698715287857398e87015074f2700c0f964c6606ff2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling cc v1.0.74 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling etherparse v0.8.3 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.38 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling tun-tap v0.1.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling trust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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/tcp.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:469:25 [INFO] [stdout] | [INFO] [stdout] 469 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:250:13 [INFO] [stdout] | [INFO] [stdout] 250 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:336:28 [INFO] [stdout] | [INFO] [stdout] 336 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_synchronized` is never used [INFO] [stdout] --> src/tcp.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl State { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 23 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 85 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 93 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 94 | /// segment sequence number used for last window update [INFO] [stdout] 95 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 96 | /// segment acknowledgment number used for last window update [INFO] [stdout] 97 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `up` is never read [INFO] [stdout] --> src/tcp.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 114 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 120 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:294:8 [INFO] [stdout] | [INFO] [stdout] 125 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 294 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:243:9 [INFO] [stdout] | [INFO] [stdout] 243 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 243 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:274:9 [INFO] [stdout] | [INFO] [stdout] 274 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 274 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.01s [INFO] running `Command { std: "docker" "inspect" "9969d9e2146574eec886c698715287857398e87015074f2700c0f964c6606ff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9969d9e2146574eec886c698715287857398e87015074f2700c0f964c6606ff2", kill_on_drop: false }` [INFO] [stdout] 9969d9e2146574eec886c698715287857398e87015074f2700c0f964c6606ff2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a464ba3493a6d54f2ea8b656b560d27c8d46585b3d77f4b98d64ce71c794848 [INFO] running `Command { std: "docker" "start" "-a" "4a464ba3493a6d54f2ea8b656b560d27c8d46585b3d77f4b98d64ce71c794848", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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/tcp.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:469:25 [INFO] [stdout] | [INFO] [stdout] 469 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:250:13 [INFO] [stdout] | [INFO] [stdout] 250 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:336:28 [INFO] [stdout] | [INFO] [stdout] 336 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_synchronized` is never used [INFO] [stdout] --> src/tcp.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl State { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 23 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 85 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 93 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 94 | /// segment sequence number used for last window update [INFO] [stdout] 95 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 96 | /// segment acknowledgment number used for last window update [INFO] [stdout] 97 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling trust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `up` is never read [INFO] [stdout] --> src/tcp.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 114 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 120 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:294:8 [INFO] [stdout] | [INFO] [stdout] 125 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 294 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:243:9 [INFO] [stdout] | [INFO] [stdout] 243 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 243 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:274:9 [INFO] [stdout] | [INFO] [stdout] 274 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 274 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [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/tcp.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:469:25 [INFO] [stdout] | [INFO] [stdout] 469 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:250:13 [INFO] [stdout] | [INFO] [stdout] 250 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:336:28 [INFO] [stdout] | [INFO] [stdout] 336 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_synchronized` is never used [INFO] [stdout] --> src/tcp.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl State { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 23 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 85 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 93 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 94 | /// segment sequence number used for last window update [INFO] [stdout] 95 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 96 | /// segment acknowledgment number used for last window update [INFO] [stdout] 97 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `up` is never read [INFO] [stdout] --> src/tcp.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 114 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 120 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:294:8 [INFO] [stdout] | [INFO] [stdout] 125 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 294 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:243:9 [INFO] [stdout] | [INFO] [stdout] 243 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 243 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:274:9 [INFO] [stdout] | [INFO] [stdout] 274 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 274 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "4a464ba3493a6d54f2ea8b656b560d27c8d46585b3d77f4b98d64ce71c794848", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a464ba3493a6d54f2ea8b656b560d27c8d46585b3d77f4b98d64ce71c794848", kill_on_drop: false }` [INFO] [stdout] 4a464ba3493a6d54f2ea8b656b560d27c8d46585b3d77f4b98d64ce71c794848 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14182cf938d03cee946e625fd7111e3c47368cac612008f9562a3ff2a1ab9f5f [INFO] running `Command { std: "docker" "start" "-a" "14182cf938d03cee946e625fd7111e3c47368cac612008f9562a3ff2a1ab9f5f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/tcp.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | let buf = [0u8; 1500]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:130:9 [INFO] [stderr] | [INFO] [stderr] 130 | data: &'a [u8], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:377:9 [INFO] [stderr] | [INFO] [stderr] 377 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:469:25 [INFO] [stderr] | [INFO] [stderr] 469 | let mut srtt = &mut self.timers.srtt; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:155:17 [INFO] [stderr] | [INFO] [stderr] 155 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quad` [INFO] [stderr] --> src/lib.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | for quad in pending { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cm` [INFO] [stderr] --> src/lib.rs:250:13 [INFO] [stderr] | [INFO] [stderr] 250 | let cm = self.h.manager.lock().unwrap(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how` [INFO] [stderr] --> src/lib.rs:336:28 [INFO] [stderr] | [INFO] [stderr] 336 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stderr] [INFO] [stderr] warning: method `is_synchronized` is never used [INFO] [stderr] --> src/tcp.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 22 | impl State { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] 23 | fn is_synchronized(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stderr] --> src/tcp.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 85 | struct SendSequenceSpace { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 93 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] 94 | /// segment sequence number used for last window update [INFO] [stderr] 95 | wl1: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] 96 | /// segment acknowledgment number used for last window update [INFO] [stderr] 97 | wl2: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: field `up` is never read [INFO] [stderr] --> src/tcp.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 114 | struct RecvSequenceSpace { [INFO] [stderr] | ----------------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 120 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: method `send_rst` is never used [INFO] [stderr] --> src/tcp.rs:294:8 [INFO] [stderr] | [INFO] [stderr] 125 | impl Connection { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 294 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:235:9 [INFO] [stderr] | [INFO] [stderr] 235 | / self.ip [INFO] [stderr] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stderr] | |__________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 235 | let _ = self.ip [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:243:9 [INFO] [stderr] | [INFO] [stderr] 243 | self.ip.write(&mut unwritten); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 243 | let _ = self.ip.write(&mut unwritten); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:274:9 [INFO] [stderr] | [INFO] [stderr] 274 | self.tcp.write(&mut tcp_header_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 274 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `trust` (lib) generated 15 warnings (run `cargo fix --lib -p trust` to apply 1 suggestion) [INFO] [stderr] warning: `trust` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trust-b3dedcf5109de5a6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/trust-a64f32670d805b5a) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests trust [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/tcp.rs - tcp::SendSequenceSpace (line 74) ... FAILED [INFO] [stdout] test src/tcp.rs - tcp::RecvSequenceSpace (line 104) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/tcp.rs - tcp::SendSequenceSpace (line 74) stdout ---- [INFO] [stdout] error: expected item, found `1` [INFO] [stdout] --> src/tcp.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 1 | 1 2 3 4 [INFO] [stdout] | ^ expected item [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/tcp.rs - tcp::RecvSequenceSpace (line 104) stdout ---- [INFO] [stdout] error: expected item, found `1` [INFO] [stdout] --> src/tcp.rs:105:16 [INFO] [stdout] | [INFO] [stdout] 1 | 1 2 3 [INFO] [stdout] | ^ expected item [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/tcp.rs - tcp::RecvSequenceSpace (line 104) [INFO] [stdout] src/tcp.rs - tcp::SendSequenceSpace (line 74) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "14182cf938d03cee946e625fd7111e3c47368cac612008f9562a3ff2a1ab9f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14182cf938d03cee946e625fd7111e3c47368cac612008f9562a3ff2a1ab9f5f", kill_on_drop: false }` [INFO] [stdout] 14182cf938d03cee946e625fd7111e3c47368cac612008f9562a3ff2a1ab9f5f