[INFO] cloning repository https://github.com/tengrommel/tcp-impl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengrommel/tcp-impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftcp-impl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftcp-impl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a4c219b3729ccdad5bed17298002600e2a461af [INFO] checking tengrommel/tcp-impl against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftcp-impl" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tengrommel/tcp-impl on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tengrommel/tcp-impl [INFO] finished tweaking git repo https://github.com/tengrommel/tcp-impl [INFO] tweaked toml for git repo https://github.com/tengrommel/tcp-impl written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/tengrommel/tcp-impl already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3794ab52051063c1bd47f923c482b97ec7f90af314edbfba2b99041ecb67549c [INFO] running `Command { std: "docker" "start" "-a" "3794ab52051063c1bd47f923c482b97ec7f90af314edbfba2b99041ecb67549c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3794ab52051063c1bd47f923c482b97ec7f90af314edbfba2b99041ecb67549c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3794ab52051063c1bd47f923c482b97ec7f90af314edbfba2b99041ecb67549c", kill_on_drop: false }` [INFO] [stdout] 3794ab52051063c1bd47f923c482b97ec7f90af314edbfba2b99041ecb67549c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fa5639a988ccb621102d25726b99137d3480a5f2073b523abc0a07be2f1d108 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9fa5639a988ccb621102d25726b99137d3480a5f2073b523abc0a07be2f1d108", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking etherparse v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-threadpool v0.1.17 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.11 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking untitled v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (3 fixes) [INFO] [stderr] Fixed src/tcp.rs (8 fixes) [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `una` [INFO] [stdout] --> src/tcp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | una: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nxt` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | nxt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | syn_ack.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | nic.send(&buf[..unwritten]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `una` [INFO] [stdout] --> src/tcp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | una: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nxt` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | nxt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | syn_ack.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | nic.send(&buf[..unwritten]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.27s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking untitled v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `una` [INFO] [stdout] --> src/tcp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | una: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nxt` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | nxt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | syn_ack.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | nic.send(&buf[..unwritten]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/tcp.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | state: State, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `una` [INFO] [stdout] --> src/tcp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | una: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nxt` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | nxt: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl1` [INFO] [stdout] --> src/tcp.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | wl1: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wl2` [INFO] [stdout] --> src/tcp.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | wl2: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | syn_ack.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | nic.send(&buf[..unwritten]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "9fa5639a988ccb621102d25726b99137d3480a5f2073b523abc0a07be2f1d108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fa5639a988ccb621102d25726b99137d3480a5f2073b523abc0a07be2f1d108", kill_on_drop: false }` [INFO] [stdout] 9fa5639a988ccb621102d25726b99137d3480a5f2073b523abc0a07be2f1d108