[INFO] cloning repository https://github.com/CluEleSsUK/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/CluEleSsUK/tcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCluEleSsUK%2Ftcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCluEleSsUK%2Ftcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03f934dbb0c166b7873dba41527f8128c991c242
[INFO] checking CluEleSsUK/tcp-rust against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCluEleSsUK%2Ftcp-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CluEleSsUK/tcp-rust
[INFO] finished tweaking git repo https://github.com/CluEleSsUK/tcp-rust
[INFO] tweaked toml for git repo https://github.com/CluEleSsUK/tcp-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CluEleSsUK/tcp-rust on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CluEleSsUK/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etherparse v0.8.3
[INFO] [stderr]   Downloaded tun-tap v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdaefc59500978dfbcb277d584bcd8b000db5ab9c919bc3af77dc5d29b451707
[INFO] running `Command { std: "docker" "start" "-a" "bdaefc59500978dfbcb277d584bcd8b000db5ab9c919bc3af77dc5d29b451707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdaefc59500978dfbcb277d584bcd8b000db5ab9c919bc3af77dc5d29b451707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdaefc59500978dfbcb277d584bcd8b000db5ab9c919bc3af77dc5d29b451707", kill_on_drop: false }`
[INFO] [stdout] bdaefc59500978dfbcb277d584bcd8b000db5ab9c919bc3af77dc5d29b451707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fbeb30f026cd507ff193e14d933e8a7d3c4dc0bc3a3f8dddc43dc303b5be389
[INFO] running `Command { std: "docker" "start" "-a" "4fbeb30f026cd507ff193e14d933e8a7d3c4dc0bc3a3f8dddc43dc303b5be389", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking etherparse v0.8.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/state.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |             TcpState::SynReceived => Result::Err(unimplemented!()),
[INFO] [stdout]    |                                      ^^^^^^^^^^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/state.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |             _ => Result::Err(unimplemented!()),
[INFO] [stdout]    |                  ^^^^^^^^^^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     loop {
[INFO] [stdout] 22 | |         let bytes_read = nic.recv(&mut buf[..])?;
[INFO] [stdout] 23 | |         let packet = Packet::new(buf, bytes_read);
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 33 |       Result::Ok(())
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Closed`, `SynReceived`, and `Established` are never constructed
[INFO] [stdout]   --> src/state.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 12 |     Closed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Listen,
[INFO] [stdout] 14 |     SynReceived,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     Established,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/state.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |             TcpState::SynReceived => Result::Err(unimplemented!()),
[INFO] [stdout]    |                                      ^^^^^^^^^^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/state.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |             _ => Result::Err(unimplemented!()),
[INFO] [stdout]    |                  ^^^^^^^^^^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     loop {
[INFO] [stdout] 22 | |         let bytes_read = nic.recv(&mut buf[..])?;
[INFO] [stdout] 23 | |         let packet = Packet::new(buf, bytes_read);
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 33 |       Result::Ok(())
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Closed`, `SynReceived`, and `Established` are never constructed
[INFO] [stdout]   --> src/state.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 12 |     Closed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Listen,
[INFO] [stdout] 14 |     SynReceived,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     Established,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `Command { std: "docker" "inspect" "4fbeb30f026cd507ff193e14d933e8a7d3c4dc0bc3a3f8dddc43dc303b5be389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbeb30f026cd507ff193e14d933e8a7d3c4dc0bc3a3f8dddc43dc303b5be389", kill_on_drop: false }`
[INFO] [stdout] 4fbeb30f026cd507ff193e14d933e8a7d3c4dc0bc3a3f8dddc43dc303b5be389
