[INFO] cloning repository https://github.com/skagur-k/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/skagur-k/tcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskagur-k%2Ftcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskagur-k%2Ftcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cc809c37a6fc527b82780adb52fa15d3f5c3de5
[INFO] testing skagur-k/tcp-rust against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskagur-k%2Ftcp-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skagur-k/tcp-rust on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skagur-k/tcp-rust
[INFO] finished tweaking git repo https://github.com/skagur-k/tcp-rust
[INFO] tweaked toml for git repo https://github.com/skagur-k/tcp-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skagur-k/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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded etherparse v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 625f2afae6d744ed53fc22fb656fca2da466f3bff575d5a2c5763a92f718b3c9
[INFO] running `Command { std: "docker" "start" "-a" "625f2afae6d744ed53fc22fb656fca2da466f3bff575d5a2c5763a92f718b3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "625f2afae6d744ed53fc22fb656fca2da466f3bff575d5a2c5763a92f718b3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625f2afae6d744ed53fc22fb656fca2da466f3bff575d5a2c5763a92f718b3c9", kill_on_drop: false }`
[INFO] [stdout] 625f2afae6d744ed53fc22fb656fca2da466f3bff575d5a2c5763a92f718b3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332a8e31f90c98ca42276a8226bd2da0409d015eb13794c1450fba256ebb8fa4
[INFO] running `Command { std: "docker" "start" "-a" "332a8e31f90c98ca42276a8226bd2da0409d015eb13794c1450fba256ebb8fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling etherparse v0.10.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[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 tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `unwritten`
[INFO] [stdout]   --> src/tcp.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwritten`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/tcp.rs:59:138
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<Option<Self>> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut c = Connection {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...   let mut ip = etherparse::Ipv4Header::new(syn_ack.header_len(), 64, etherparse::IpNumber::Tcp, ip_header.destination_addr().octets()...
[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:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn on_packet<'a> (&mut self, nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHea...
[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:118:64
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> ...
[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:118:108
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...se::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[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:118:152
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:63:47
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Closed` and `Listen` are never constructed
[INFO] [stdout]  --> src/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum State{
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |     Closed,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Listen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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`, `wl1`, `wl2`, and `up` are never read
[INFO] [stdout]   --> src/tcp.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SendSequenceSpace{
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 31 |     /// send unacknowledged
[INFO] [stdout] 32 |     una: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     /// send next
[INFO] [stdout] 34 |     nxt: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     /// segment acknowledgement number used for last window update
[INFO] [stdout] 40 |     wl2: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `irs`, and `up` are never read
[INFO] [stdout]   --> src/tcp.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct RecvSequenceSpace{
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 52 |     /// initial receive sequence number
[INFO] [stdout] 53 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 54 |     /// receive urgent pointer
[INFO] [stdout] 55 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             ip.write(&mut 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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let _ = ip.write(&mut unwritten);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let _ = syn_ack.write(&mut unwritten);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "332a8e31f90c98ca42276a8226bd2da0409d015eb13794c1450fba256ebb8fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332a8e31f90c98ca42276a8226bd2da0409d015eb13794c1450fba256ebb8fa4", kill_on_drop: false }`
[INFO] [stdout] 332a8e31f90c98ca42276a8226bd2da0409d015eb13794c1450fba256ebb8fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f297cb3e00b0d562e3730147c77bc2cc9871d8371963818f8ba0453581420e
[INFO] running `Command { std: "docker" "start" "-a" "43f297cb3e00b0d562e3730147c77bc2cc9871d8371963818f8ba0453581420e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `unwritten`
[INFO] [stdout]   --> src/tcp.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwritten`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/tcp.rs:59:138
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<Option<Self>> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut c = Connection {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...   let mut ip = etherparse::Ipv4Header::new(syn_ack.header_len(), 64, etherparse::IpNumber::Tcp, ip_header.destination_addr().octets()...
[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:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn on_packet<'a> (&mut self, nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHea...
[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:118:64
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> ...
[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:118:108
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...se::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[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:118:152
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:63:47
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Closed` and `Listen` are never constructed
[INFO] [stdout]  --> src/tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum State{
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |     Closed,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Listen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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`, `wl1`, `wl2`, and `up` are never read
[INFO] [stdout]   --> src/tcp.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SendSequenceSpace{
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 31 |     /// send unacknowledged
[INFO] [stdout] 32 |     una: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     /// send next
[INFO] [stdout] 34 |     nxt: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     /// segment acknowledgement number used for last window update
[INFO] [stdout] 40 |     wl2: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `irs`, and `up` are never read
[INFO] [stdout]   --> src/tcp.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct RecvSequenceSpace{
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 52 |     /// initial receive sequence number
[INFO] [stdout] 53 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 54 |     /// receive urgent pointer
[INFO] [stdout] 55 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             ip.write(&mut 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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let _ = ip.write(&mut unwritten);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let _ = syn_ack.write(&mut unwritten);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "43f297cb3e00b0d562e3730147c77bc2cc9871d8371963818f8ba0453581420e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f297cb3e00b0d562e3730147c77bc2cc9871d8371963818f8ba0453581420e", kill_on_drop: false }`
[INFO] [stdout] 43f297cb3e00b0d562e3730147c77bc2cc9871d8371963818f8ba0453581420e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83b5ad40cbbbe187ef6830b79f5ae9ec154730284ca7cc95fdded942ca53f6fe
[INFO] running `Command { std: "docker" "start" "-a" "83b5ad40cbbbe187ef6830b79f5ae9ec154730284ca7cc95fdded942ca53f6fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `unwritten`
[INFO] [stderr]   --> src/tcp.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwritten`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/tcp.rs:59:138
[INFO] [stderr]    |
[INFO] [stderr] 59 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<Option<Self>> {
[INFO] [stderr]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tcp.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut unwritten = &mut buf[..];
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tcp.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut c = Connection {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tcp.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 | ...   let mut ip = etherparse::Ipv4Header::new(syn_ack.header_len(), 64, etherparse::IpNumber::Tcp, ip_header.destination_addr().octets()...
[INFO] [stderr]    |           ----^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nic`
[INFO] [stderr]    --> src/tcp.rs:118:38
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn on_packet<'a> (&mut self, nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHea...
[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:118:64
[INFO] [stderr]     |
[INFO] [stderr] 118 | ...nic: &mut tun_tap::Iface, ip_header: etherparse::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> ...
[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:118:108
[INFO] [stderr]     |
[INFO] [stderr] 118 | ...se::Ipv4HeaderSlice<'a>, tcp_header: etherparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[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:118:152
[INFO] [stderr]     |
[INFO] [stderr] 118 | ...therparse::TcpHeaderSlice<'a>, data: &'a [u8] ) -> io::Result<()> {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 | ...                   Entry::Vacant(mut e) => {
[INFO] [stderr]    |                                     ----^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Closed` and `Listen` are never constructed
[INFO] [stderr]  --> src/tcp.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum State{
[INFO] [stderr]   |      ----- variants in this enum
[INFO] [stderr] 4 |     Closed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 5 |     Listen,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `state` is never read
[INFO] [stderr]   --> src/tcp.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Connection{
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 11 |     state: State,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `una`, `nxt`, `wl1`, `wl2`, and `up` are never read
[INFO] [stderr]   --> src/tcp.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct SendSequenceSpace{
[INFO] [stderr]    |        ----------------- fields in this struct
[INFO] [stderr] 31 |     /// send unacknowledged
[INFO] [stderr] 32 |     una: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 33 |     /// send next
[INFO] [stderr] 34 |     nxt: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     wl1: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 39 |     /// segment acknowledgement number used for last window update
[INFO] [stderr] 40 |     wl2: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     up: bool,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wnd`, `irs`, and `up` are never read
[INFO] [stderr]   --> src/tcp.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct RecvSequenceSpace{
[INFO] [stderr]    |        ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 51 |     wnd: u16,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 52 |     /// initial receive sequence number
[INFO] [stderr] 53 |     irs: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 54 |     /// receive urgent pointer
[INFO] [stderr] 55 |     up: bool,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             ip.write(&mut 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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let _ = ip.write(&mut unwritten);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             syn_ack.write(&mut unwritten);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let _ = syn_ack.write(&mut unwritten);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp` (bin "tcp" test) generated 16 warnings (run `cargo fix --bin "tcp" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp-d57264a0c1ce1659)
[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" "83b5ad40cbbbe187ef6830b79f5ae9ec154730284ca7cc95fdded942ca53f6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b5ad40cbbbe187ef6830b79f5ae9ec154730284ca7cc95fdded942ca53f6fe", kill_on_drop: false }`
[INFO] [stdout] 83b5ad40cbbbe187ef6830b79f5ae9ec154730284ca7cc95fdded942ca53f6fe
[INFO] testing skagur-k/tcp-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskagur-k%2Ftcp-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skagur-k/tcp-rust on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skagur-k/tcp-rust
[INFO] finished tweaking git repo https://github.com/skagur-k/tcp-rust
[INFO] tweaked toml for git repo https://github.com/skagur-k/tcp-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/skagur-k/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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54bb8a21b4a46e76130086ff8e13de930cc1229935f83c289dba950a72878240
[INFO] running `Command { std: "docker" "start" "-a" "54bb8a21b4a46e76130086ff8e13de930cc1229935f83c289dba950a72878240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54bb8a21b4a46e76130086ff8e13de930cc1229935f83c289dba950a72878240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54bb8a21b4a46e76130086ff8e13de930cc1229935f83c289dba950a72878240", kill_on_drop: false }`
[INFO] [stdout] 54bb8a21b4a46e76130086ff8e13de930cc1229935f83c289dba950a72878240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a93ff203574d730559665ce8b8cff6a2908f7693df07715ab7476783da1bb99
[INFO] running `Command { std: "docker" "start" "-a" "2a93ff203574d730559665ce8b8cff6a2908f7693df07715ab7476783da1bb99", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling etherparse v0.10.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/build/parking_lot_core-e5e54898c6ec4ed6/output`
[INFO] [stdout] error: failed to write /tmp/rustcdA4XDe/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcD2ZpPP/symbols.o" "/opt/rustwide/target/debug/build/tun-tap-e4ffb8e8cae36807/build_script_build-e4ffb8e8cae36807.build_script_build.962d1825e5b5fdff-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/tun-tap-e4ffb8e8cae36807/build_script_build-e4ffb8e8cae36807.2elyqrbzgnvvpn49y4owl1944.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcc-5fab7f7d9b5e2a59.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/tun-tap-e4ffb8e8cae36807/build_script_build-e4ffb8e8cae36807" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iovec` (lib)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaCgSClU"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tun-tap` (build script) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaKWhReT/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `etherparse` (lib)
[INFO] [stderr] error: could not compile `num_cpus` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaoBkwVM/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `net2` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetarfkH8W/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a93ff203574d730559665ce8b8cff6a2908f7693df07715ab7476783da1bb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a93ff203574d730559665ce8b8cff6a2908f7693df07715ab7476783da1bb99", kill_on_drop: false }`
[INFO] [stdout] 2a93ff203574d730559665ce8b8cff6a2908f7693df07715ab7476783da1bb99
