[INFO] cloning repository https://github.com/AyushChakraborty/rusTCP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AyushChakraborty/rusTCP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushChakraborty%2FrusTCP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushChakraborty%2FrusTCP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52e3acf32401c0f137592aa3b7fb87d509009fed
[INFO] checking AyushChakraborty/rusTCP against master#8202d110516c6bd87cee375e9a9b774db499015c for pr-149596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushChakraborty%2FrusTCP" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AyushChakraborty/rusTCP
[INFO] finished tweaking git repo https://github.com/AyushChakraborty/rusTCP
[INFO] tweaked toml for git repo https://github.com/AyushChakraborty/rusTCP written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AyushChakraborty/rusTCP on toolchain 8202d110516c6bd87cee375e9a9b774db499015c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AyushChakraborty/rusTCP 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" "+8202d110516c6bd87cee375e9a9b774db499015c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
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[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
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[INFO] [stderr]   Downloaded tokio-udp v0.1.6
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[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
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[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
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[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded tun-tap v0.1.4
[INFO] [stderr]   Downloaded etherparse v0.18.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
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[INFO] [stderr]   Downloaded mio-uds v0.6.8
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[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5df4f632f34508889ab8ad7ff20cd217cbac5f8d8cdd2f8c1b093ad4cb27cd94
[INFO] running `Command { std: "docker" "start" "-a" "5df4f632f34508889ab8ad7ff20cd217cbac5f8d8cdd2f8c1b093ad4cb27cd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5df4f632f34508889ab8ad7ff20cd217cbac5f8d8cdd2f8c1b093ad4cb27cd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df4f632f34508889ab8ad7ff20cd217cbac5f8d8cdd2f8c1b093ad4cb27cd94", kill_on_drop: false }`
[INFO] [stdout] 5df4f632f34508889ab8ad7ff20cd217cbac5f8d8cdd2f8c1b093ad4cb27cd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a6cbc17053f73d034d15399591c44fce71bdcea55b24c034e12b626d4c3e61
[INFO] running `Command { std: "docker" "start" "-a" "51a6cbc17053f73d034d15399591c44fce71bdcea55b24c034e12b626d4c3e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking etherparse v0.18.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[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]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[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: unused variable: `iph`
[INFO] [stdout]    --> src/tcp.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_synchronised` is never used
[INFO] [stdout]   --> src/tcp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TCPState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 16 |     fn is_synchronised(&self) -> bool {
[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 `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct SenSeqSpace {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     wnd: u16, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 50 |     ///send urgent pointer
[INFO] [stdout] 51 |     up: bool,  
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     ///segment sequence number used for last window update
[INFO] [stdout] 53 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 54 |     ///segment acknowledgement number used for last window update
[INFO] [stdout] 55 |     wl2: u16,      
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct RecvSeqSpace {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 82 |     ///intial receive sequence number
[INFO] [stdout] 83 |     irs: u32
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl Connection {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]    --> src/tcp.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_synchronised` is never used
[INFO] [stdout]   --> src/tcp.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TCPState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 16 |     fn is_synchronised(&self) -> bool {
[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 `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct SenSeqSpace {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     wnd: u16, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 50 |     ///send urgent pointer
[INFO] [stdout] 51 |     up: bool,  
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     ///segment sequence number used for last window update
[INFO] [stdout] 53 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 54 |     ///segment acknowledgement number used for last window update
[INFO] [stdout] 55 |     wl2: u16,      
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct RecvSeqSpace {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 82 |     ///intial receive sequence number
[INFO] [stdout] 83 |     irs: u32
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl Connection {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "51a6cbc17053f73d034d15399591c44fce71bdcea55b24c034e12b626d4c3e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a6cbc17053f73d034d15399591c44fce71bdcea55b24c034e12b626d4c3e61", kill_on_drop: false }`
[INFO] [stdout] 51a6cbc17053f73d034d15399591c44fce71bdcea55b24c034e12b626d4c3e61