[INFO] cloning repository https://github.com/raja-dettex/tackle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raja-dettex/tackle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Ftackle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Ftackle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d00aad3b969bc6c45e9664f23425a78c406580d0
[INFO] checking raja-dettex/tackle against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraja-dettex%2Ftackle" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raja-dettex/tackle
[INFO] finished tweaking git repo https://github.com/raja-dettex/tackle
[INFO] tweaked toml for git repo https://github.com/raja-dettex/tackle written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raja-dettex/tackle on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raja-dettex/tackle 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c2ade969ec9c28998011e6a1a33cbf14ee3aabd877058831e5d94e0abf7963
[INFO] running `Command { std: "docker" "start" "-a" "53c2ade969ec9c28998011e6a1a33cbf14ee3aabd877058831e5d94e0abf7963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c2ade969ec9c28998011e6a1a33cbf14ee3aabd877058831e5d94e0abf7963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c2ade969ec9c28998011e6a1a33cbf14ee3aabd877058831e5d94e0abf7963", kill_on_drop: false }`
[INFO] [stdout] 53c2ade969ec9c28998011e6a1a33cbf14ee3aabd877058831e5d94e0abf7963
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e54bbe324ce12ec9669d656d5ffd74272f939fb4434bf64d9ceccf1c7528b977
[INFO] running `Command { std: "docker" "start" "-a" "e54bbe324ce12ec9669d656d5ffd74272f939fb4434bf64d9ceccf1c7528b977", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[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]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking etherparse v0.15.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tackle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Connection` and `State`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tcp::{Connection, State};
[INFO] [stdout]   |           ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpHeader`
[INFO] [stdout]  --> src/tcp.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{Ipv4Header, Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice};
[INFO] [stdout]   |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nic`
[INFO] [stdout]   --> src/tcp.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn on_packet<'a>(&mut self, nic : &mut tun_tap::Iface, iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice<'a>, payload : &'a [u8...
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_nic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]   --> src/tcp.rs:51:64
[INFO] [stdout]    |
[INFO] [stdout] 51 | ..., nic : &mut tun_tap::Iface, iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice<'a>, payload : &'a [u8] ) 
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> src/tcp.rs:51:116
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...cph: TcpHeaderSlice<'a>, payload : &'a [u8] ) 
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut ip = etherparse::Ipv4Header::new(
[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/main.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum State { 
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     SynRcvd,
[INFO] [stdout] 6 |     Estab
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct SndSequenceSpace { 
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ///  SND.WL1 - segment sequence number used for last window update
[INFO] [stdout] 26 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     ///  SND.WL2 - segment acknowledgment number used for last window update
[INFO] [stdout] 28 |     wl2 : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct RcvdSequeneceSpace { 
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     /// RCV.UP  - receive urgent pointer
[INFO] [stdout] 38 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     /// IRS     - initial receive sequence number
[INFO] [stdout] 40 |     irs: u32
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   c.get_mut().on_packet(&mut nic, iph, tcph, &buffer[datai..n_bytes]);
[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] 42 |                                 let _ = c.get_mut().on_packet(&mut nic, iph, tcph, &buffer[datai..n_bytes]);
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Connection` and `State`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tcp::{Connection, State};
[INFO] [stdout]   |           ^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/tcp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpHeader`
[INFO] [stdout]  --> src/tcp.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{Ipv4Header, Ipv4HeaderSlice, TcpHeader, TcpHeaderSlice};
[INFO] [stdout]   |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nic`
[INFO] [stdout]   --> src/tcp.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn on_packet<'a>(&mut self, nic : &mut tun_tap::Iface, iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice<'a>, payload : &'a [u8...
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_nic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]   --> src/tcp.rs:51:64
[INFO] [stdout]    |
[INFO] [stdout] 51 | ..., nic : &mut tun_tap::Iface, iph: Ipv4HeaderSlice<'a>, tcph: TcpHeaderSlice<'a>, payload : &'a [u8] ) 
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> src/tcp.rs:51:116
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...cph: TcpHeaderSlice<'a>, payload : &'a [u8] ) 
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tcp.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut ip = etherparse::Ipv4Header::new(
[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/main.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   Entry::Vacant(mut e) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum State { 
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     SynRcvd,
[INFO] [stdout] 6 |     Estab
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct SndSequenceSpace { 
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ///  SND.WL1 - segment sequence number used for last window update
[INFO] [stdout] 26 |     wl1: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     ///  SND.WL2 - segment acknowledgment number used for last window update
[INFO] [stdout] 28 |     wl2 : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct RcvdSequeneceSpace { 
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     /// RCV.UP  - receive urgent pointer
[INFO] [stdout] 38 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     /// IRS     - initial receive sequence number
[INFO] [stdout] 40 |     irs: u32
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   c.get_mut().on_packet(&mut nic, iph, tcph, &buffer[datai..n_bytes]);
[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] 42 |                                 let _ = c.get_mut().on_packet(&mut nic, iph, tcph, &buffer[datai..n_bytes]);
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `Command { std: "docker" "inspect" "e54bbe324ce12ec9669d656d5ffd74272f939fb4434bf64d9ceccf1c7528b977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54bbe324ce12ec9669d656d5ffd74272f939fb4434bf64d9ceccf1c7528b977", kill_on_drop: false }`
[INFO] [stdout] e54bbe324ce12ec9669d656d5ffd74272f939fb4434bf64d9ceccf1c7528b977
