[INFO] cloning repository https://github.com/Stone749990226/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/Stone749990226/rust-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStone749990226%2Frust-tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStone749990226%2Frust-tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea5f83da27521fc243ce848e66ab51b423838e5c [INFO] checking Stone749990226/rust-tcp against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStone749990226%2Frust-tcp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Stone749990226/rust-tcp [INFO] finished tweaking git repo https://github.com/Stone749990226/rust-tcp [INFO] tweaked toml for git repo https://github.com/Stone749990226/rust-tcp written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Stone749990226/rust-tcp on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Stone749990226/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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded etherparse v0.18.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7937189e40882dbd05069229cd5436ff8b52610b8012a2c1726f65ec3f4cd7cf [INFO] running `Command { std: "docker" "start" "-a" "7937189e40882dbd05069229cd5436ff8b52610b8012a2c1726f65ec3f4cd7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7937189e40882dbd05069229cd5436ff8b52610b8012a2c1726f65ec3f4cd7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7937189e40882dbd05069229cd5436ff8b52610b8012a2c1726f65ec3f4cd7cf", kill_on_drop: false }` [INFO] [stdout] 7937189e40882dbd05069229cd5436ff8b52610b8012a2c1726f65ec3f4cd7cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b97a7eb22515564c4dda8d0d3e39a292318feeae6ca2e30dd853d02a69a4527 [INFO] running `Command { std: "docker" "start" "-a" "4b97a7eb22515564c4dda8d0d3e39a292318feeae6ca2e30dd853d02a69a4527", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Compiling cc v1.2.25 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking etherparse v0.18.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking rust-tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/tcp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let mut ip = Ipv4Header::new( [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 import: `std::io::Write` [INFO] [stdout] --> src/tcp.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [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 variable: `data` [INFO] [stdout] --> src/tcp.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | data: &'a [u8], [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: `nic` [INFO] [stdout] --> src/tcp.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | nic: &Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_hdr` [INFO] [stdout] --> src/tcp.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | ip_hdr: Ipv4HeaderSlice, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_hdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_hdr` [INFO] [stdout] --> src/tcp.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | tcp_hdr: TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_hdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Closed` and `Listen` are never constructed [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum State { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Connection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `una`, `nxt`, `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 38 | /// send unacknowledged [INFO] [stdout] 39 | una: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 40 | /// send next [INFO] [stdout] 41 | nxt: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 46 | /// segment sequence number used for last window update [INFO] [stdout] 47 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 48 | /// segment acknowledgment number used for last window update [INFO] [stdout] 49 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read [INFO] [stdout] --> src/tcp.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 71 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 75 | wnd: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 76 | /// receive urgent pointer [INFO] [stdout] 77 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 78 | /// initial receive sequence number [INFO] [stdout] 79 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let mut ip = Ipv4Header::new( [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: `data` [INFO] [stdout] --> src/tcp.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | data: &'a [u8], [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: `nic` [INFO] [stdout] --> src/tcp.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | nic: &Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_hdr` [INFO] [stdout] --> src/tcp.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | ip_hdr: Ipv4HeaderSlice, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_hdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_hdr` [INFO] [stdout] --> src/tcp.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | tcp_hdr: TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_hdr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Closed` and `Listen` are never constructed [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum State { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 5 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 6 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Connection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `una`, `nxt`, `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 38 | /// send unacknowledged [INFO] [stdout] 39 | una: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 40 | /// send next [INFO] [stdout] 41 | nxt: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 46 | /// segment sequence number used for last window update [INFO] [stdout] 47 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 48 | /// segment acknowledgment number used for last window update [INFO] [stdout] 49 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read [INFO] [stdout] --> src/tcp.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 71 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 75 | wnd: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 76 | /// receive urgent pointer [INFO] [stdout] 77 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 78 | /// initial receive sequence number [INFO] [stdout] 79 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.93s [INFO] running `Command { std: "docker" "inspect" "4b97a7eb22515564c4dda8d0d3e39a292318feeae6ca2e30dd853d02a69a4527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b97a7eb22515564c4dda8d0d3e39a292318feeae6ca2e30dd853d02a69a4527", kill_on_drop: false }` [INFO] [stdout] 4b97a7eb22515564c4dda8d0d3e39a292318feeae6ca2e30dd853d02a69a4527