[INFO] cloning repository https://github.com/szyth/tcp-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szyth/tcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszyth%2Ftcp-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszyth%2Ftcp-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b71e179e07644abd6042eba7cd9d2d2ca87b27c [INFO] testing szyth/tcp-rust against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszyth%2Ftcp-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/szyth/tcp-rust [INFO] finished tweaking git repo https://github.com/szyth/tcp-rust [INFO] tweaked toml for git repo https://github.com/szyth/tcp-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/szyth/tcp-rust on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/szyth/tcp-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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.7.6 [INFO] [stderr] Adding etherparse v0.13.0 (available: v0.19.0) [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 816ba800e8c89e63c7fa04de5320c6558b24a52ff10729f9d195eb32710a7714 [INFO] running `Command { std: "docker" "start" "-a" "816ba800e8c89e63c7fa04de5320c6558b24a52ff10729f9d195eb32710a7714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "816ba800e8c89e63c7fa04de5320c6558b24a52ff10729f9d195eb32710a7714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "816ba800e8c89e63c7fa04de5320c6558b24a52ff10729f9d195eb32710a7714", kill_on_drop: false }` [INFO] [stdout] 816ba800e8c89e63c7fa04de5320c6558b24a52ff10729f9d195eb32710a7714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4475b02a9bcce8041948f8b7d55900bfd017bd13e5ba8cd8ff26ed51a74d0d69 [INFO] running `Command { std: "docker" "start" "-a" "4475b02a9bcce8041948f8b7d55900bfd017bd13e5ba8cd8ff26ed51a74d0d69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling etherparse v0.13.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling tcp-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | data: &[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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let mut conn = Connection { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut ip = etherparse::Ipv4Header::new( [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | nic: &mut Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_header` [INFO] [stdout] --> src/tcp.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | ip_header: etherparse::Ipv4HeaderSlice, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_header` [INFO] [stdout] --> src/tcp.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | tcp_header: TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | data: &[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 | 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:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Connection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 12 | 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:31:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 30 | // send unacknowledged [INFO] [stdout] 31 | una: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 32 | // send next [INFO] [stdout] 33 | nxt: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | // segment sequence number used for last window update [INFO] [stdout] 39 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 40 | // segment acknowledgment number used for last window update [INFO] [stdout] 41 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read [INFO] [stdout] --> src/tcp.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 61 | wnd: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 62 | // receive urgent pointer [INFO] [stdout] 63 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 64 | // initial receive sequence number [INFO] [stdout] 65 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | nic.send(&buf[..unwritten]); [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] 153 | let _ = nic.send(&buf[..unwritten]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.89s [INFO] running `Command { std: "docker" "inspect" "4475b02a9bcce8041948f8b7d55900bfd017bd13e5ba8cd8ff26ed51a74d0d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4475b02a9bcce8041948f8b7d55900bfd017bd13e5ba8cd8ff26ed51a74d0d69", kill_on_drop: false }` [INFO] [stdout] 4475b02a9bcce8041948f8b7d55900bfd017bd13e5ba8cd8ff26ed51a74d0d69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb1e6480609479998510884fc53a9c1a0f80d24bfe23d1a259d01b481d95b300 [INFO] running `Command { std: "docker" "start" "-a" "fb1e6480609479998510884fc53a9c1a0f80d24bfe23d1a259d01b481d95b300", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | data: &[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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let mut conn = Connection { [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: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut ip = etherparse::Ipv4Header::new( [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nic` [INFO] [stdout] --> src/tcp.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | nic: &mut Iface, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_header` [INFO] [stdout] --> src/tcp.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | ip_header: etherparse::Ipv4HeaderSlice, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_header` [INFO] [stdout] --> src/tcp.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 162 | tcp_header: TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | data: &[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 | 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:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Connection { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 12 | 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:31:5 [INFO] [stdout] | [INFO] [stdout] 29 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 30 | // send unacknowledged [INFO] [stdout] 31 | una: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 32 | // send next [INFO] [stdout] 33 | nxt: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | // segment sequence number used for last window update [INFO] [stdout] 39 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 40 | // segment acknowledgment number used for last window update [INFO] [stdout] 41 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read [INFO] [stdout] --> src/tcp.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 61 | wnd: u16, [INFO] [stdout] | ^^^ [INFO] [stdout] 62 | // receive urgent pointer [INFO] [stdout] 63 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 64 | // initial receive sequence number [INFO] [stdout] 65 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | nic.send(&buf[..unwritten]); [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] 153 | let _ = nic.send(&buf[..unwritten]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "fb1e6480609479998510884fc53a9c1a0f80d24bfe23d1a259d01b481d95b300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb1e6480609479998510884fc53a9c1a0f80d24bfe23d1a259d01b481d95b300", kill_on_drop: false }` [INFO] [stdout] fb1e6480609479998510884fc53a9c1a0f80d24bfe23d1a259d01b481d95b300 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a56a5a6e4df7dd7c0c2b28146c57346f0ed51567a6ac8a437bd88f39a041d5ca [INFO] running `Command { std: "docker" "start" "-a" "a56a5a6e4df7dd7c0c2b28146c57346f0ed51567a6ac8a437bd88f39a041d5ca", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | data: &[u8], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut conn = Connection { [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: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:124:13 [INFO] [stderr] | [INFO] [stderr] 124 | let mut ip = etherparse::Ipv4Header::new( [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nic` [INFO] [stderr] --> src/tcp.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 160 | nic: &mut Iface, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_nic` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ip_header` [INFO] [stderr] --> src/tcp.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 161 | ip_header: etherparse::Ipv4HeaderSlice, [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tcp_header` [INFO] [stderr] --> src/tcp.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | tcp_header: TcpHeaderSlice, [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_header` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | data: &[u8], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: variants `Closed` and `Listen` are never constructed [INFO] [stderr] --> src/tcp.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 4 | enum State { [INFO] [stderr] | ----- variants in this enum [INFO] [stderr] 5 | Closed, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 6 | Listen, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `state` is never read [INFO] [stderr] --> src/tcp.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Connection { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 12 | state: State, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `una`, `nxt`, `up`, `wl1`, and `wl2` are never read [INFO] [stderr] --> src/tcp.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 29 | struct SendSequenceSpace { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] 30 | // send unacknowledged [INFO] [stderr] 31 | una: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] 32 | // send next [INFO] [stderr] 33 | nxt: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] 38 | // segment sequence number used for last window update [INFO] [stderr] 39 | wl1: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] 40 | // segment acknowledgment number used for last window update [INFO] [stderr] 41 | wl2: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `wnd`, `up`, and `irs` are never read [INFO] [stderr] --> src/tcp.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 57 | struct RecvSequenceSpace { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 61 | wnd: u16, [INFO] [stderr] | ^^^ [INFO] [stderr] 62 | // receive urgent pointer [INFO] [stderr] 63 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] 64 | // initial receive sequence number [INFO] [stderr] 65 | irs: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:153:9 [INFO] [stderr] | [INFO] [stderr] 153 | nic.send(&buf[..unwritten]); [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] 153 | let _ = nic.send(&buf[..unwritten]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `tcp-rust` (bin "tcp-rust" test) generated 12 warnings (run `cargo fix --bin "tcp-rust" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_rust-e03442c238d4aa17) [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] running `Command { std: "docker" "inspect" "a56a5a6e4df7dd7c0c2b28146c57346f0ed51567a6ac8a437bd88f39a041d5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a56a5a6e4df7dd7c0c2b28146c57346f0ed51567a6ac8a437bd88f39a041d5ca", kill_on_drop: false }` [INFO] [stdout] a56a5a6e4df7dd7c0c2b28146c57346f0ed51567a6ac8a437bd88f39a041d5ca