[INFO] cloning repository https://github.com/BogdanFloris/tcp-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BogdanFloris/tcp-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Ftcp-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Ftcp-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d47a777c5b25c1c10ed17e0617d463de59037e6
[INFO] checking BogdanFloris/tcp-demo against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBogdanFloris%2Ftcp-demo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BogdanFloris/tcp-demo on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BogdanFloris/tcp-demo
[INFO] finished tweaking git repo https://github.com/BogdanFloris/tcp-demo
[INFO] tweaked toml for git repo https://github.com/BogdanFloris/tcp-demo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BogdanFloris/tcp-demo 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8504e83edc38ee49c03c7dd3fdbf57af3d3b596d0ecdab93879165a76e515c9
[INFO] running `Command { std: "docker" "start" "-a" "a8504e83edc38ee49c03c7dd3fdbf57af3d3b596d0ecdab93879165a76e515c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8504e83edc38ee49c03c7dd3fdbf57af3d3b596d0ecdab93879165a76e515c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8504e83edc38ee49c03c7dd3fdbf57af3d3b596d0ecdab93879165a76e515c9", kill_on_drop: false }`
[INFO] [stdout] a8504e83edc38ee49c03c7dd3fdbf57af3d3b596d0ecdab93879165a76e515c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672625cfa95fc40194af8a69e921e78b8d4eec2bfcf832783b8062bde4e15e24
[INFO] running `Command { std: "docker" "start" "-a" "672625cfa95fc40194af8a69e921e78b8d4eec2bfcf832783b8062bde4e15e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ioctl-sys v0.6.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tun v0.5.5
[INFO] [stderr]     Checking tcp-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Closed`, `SynRcvd`, and `Estab` 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] 7 |     SynRcvd,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     Estab,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Closed`, `SynRcvd`, and `Estab` 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] 7 |     SynRcvd,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     Estab,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `send` and `recv` are never read
[INFO] [stdout]   --> src/tcp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 12 |     state: State,
[INFO] [stdout] 13 |     send: SendSequenceSpace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     recv: RecvSequenceSpace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SendSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 32 |     /// send unacknowledged
[INFO] [stdout] 33 |     una: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     /// send next
[INFO] [stdout] 35 |     nxt: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     /// send window
[INFO] [stdout] 37 |     wnd: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     /// send urgent pointer
[INFO] [stdout] 39 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     /// segment sequence number used for last window update
[INFO] [stdout] 41 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     /// segment acknowledgment number used for last window update
[INFO] [stdout] 43 |     wl2: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     /// initial send sequence number
[INFO] [stdout] 45 |     iss: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SendSequenceSpace` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nxt`, `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct RecvSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 62 |     /// receive next
[INFO] [stdout] 63 |     nxt: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 64 |     /// receive window
[INFO] [stdout] 65 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 66 |     /// receive urgent pointer
[INFO] [stdout] 67 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 68 |     /// initial receive sequence number
[INFO] [stdout] 69 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecvSequenceSpace` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `send` and `recv` are never read
[INFO] [stdout]   --> src/tcp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 12 |     state: State,
[INFO] [stdout] 13 |     send: SendSequenceSpace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     recv: RecvSequenceSpace,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SendSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 32 |     /// send unacknowledged
[INFO] [stdout] 33 |     una: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     /// send next
[INFO] [stdout] 35 |     nxt: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     /// send window
[INFO] [stdout] 37 |     wnd: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     /// send urgent pointer
[INFO] [stdout] 39 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     /// segment sequence number used for last window update
[INFO] [stdout] 41 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     /// segment acknowledgment number used for last window update
[INFO] [stdout] 43 |     wl2: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     /// initial send sequence number
[INFO] [stdout] 45 |     iss: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SendSequenceSpace` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nxt`, `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct RecvSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 62 |     /// receive next
[INFO] [stdout] 63 |     nxt: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 64 |     /// receive window
[INFO] [stdout] 65 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 66 |     /// receive urgent pointer
[INFO] [stdout] 67 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 68 |     /// initial receive sequence number
[INFO] [stdout] 69 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecvSequenceSpace` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "672625cfa95fc40194af8a69e921e78b8d4eec2bfcf832783b8062bde4e15e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672625cfa95fc40194af8a69e921e78b8d4eec2bfcf832783b8062bde4e15e24", kill_on_drop: false }`
[INFO] [stdout] 672625cfa95fc40194af8a69e921e78b8d4eec2bfcf832783b8062bde4e15e24
