[INFO] updating cached repository https://github.com/lbernick/tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56beeee2d1710266be58e6ac4e5f568711001c37
[INFO] testing lbernick/tcp against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbernick%2Ftcp" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbernick/tcp on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lbernick/tcp
[INFO] finished tweaking git repo https://github.com/lbernick/tcp
[INFO] tweaked toml for git repo https://github.com/lbernick/tcp written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lbernick/tcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0787b0c1eb150696cffe887186806f0c08786c8d33f2226418ba1d75be8bc677
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0787b0c1eb150696cffe887186806f0c08786c8d33f2226418ba1d75be8bc677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0787b0c1eb150696cffe887186806f0c08786c8d33f2226418ba1d75be8bc677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0787b0c1eb150696cffe887186806f0c08786c8d33f2226418ba1d75be8bc677", kill_on_drop: false }`
[INFO] [stdout] 0787b0c1eb150696cffe887186806f0c08786c8d33f2226418ba1d75be8bc677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6392e661e2ae8d4144cdb0d7dd0080630964aeb144d3df3e10da6df9beda0105
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6392e661e2ae8d4144cdb0d7dd0080630964aeb144d3df3e10da6df9beda0105", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling pnet_macros_support v0.25.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling pnet_sys v0.25.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling ipnetwork v0.15.1
[INFO] [stderr]    Compiling pnet_datalink v0.25.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.25.0
[INFO] [stderr]    Compiling pnet_packet v0.25.0
[INFO] [stderr]    Compiling pnet_transport v0.25.0
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/connection.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stdout]     |           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Listen`
[INFO] [stdout]   --> src/connection.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Listen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SynSent`
[INFO] [stdout]   --> src/connection.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SynReceived`
[INFO] [stdout]   --> src/connection.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SynReceived,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FinWait1`
[INFO] [stdout]   --> src/connection.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FinWait2`
[INFO] [stdout]   --> src/connection.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     FinWait2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CloseWait`
[INFO] [stdout]   --> src/connection.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closing`
[INFO] [stdout]   --> src/connection.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Closing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LastAck`
[INFO] [stdout]   --> src/connection.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TimeWait`
[INFO] [stdout]   --> src/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     TimeWait,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closed`
[INFO] [stdout]   --> src/connection.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Closed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `receiver`
[INFO] [stdout]   --> src/connection.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     receiver: pnet::transport::TransportReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/connection.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn recv(&self) -> Result<&[u8], &str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/connection.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn close(&mut self) -> Result<(), &str> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `listen`
[INFO] [stdout]    --> src/connection.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "6392e661e2ae8d4144cdb0d7dd0080630964aeb144d3df3e10da6df9beda0105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6392e661e2ae8d4144cdb0d7dd0080630964aeb144d3df3e10da6df9beda0105", kill_on_drop: false }`
[INFO] [stdout] 6392e661e2ae8d4144cdb0d7dd0080630964aeb144d3df3e10da6df9beda0105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4305e4cad1a4cdf25040857395166aff7484c80ccc2f718a7b939d979006b6fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4305e4cad1a4cdf25040857395166aff7484c80ccc2f718a7b939d979006b6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/connection.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stdout]     |           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Listen`
[INFO] [stdout]   --> src/connection.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Listen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SynSent`
[INFO] [stdout]   --> src/connection.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SynReceived`
[INFO] [stdout]   --> src/connection.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SynReceived,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FinWait1`
[INFO] [stdout]   --> src/connection.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FinWait2`
[INFO] [stdout]   --> src/connection.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     FinWait2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CloseWait`
[INFO] [stdout]   --> src/connection.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closing`
[INFO] [stdout]   --> src/connection.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Closing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LastAck`
[INFO] [stdout]   --> src/connection.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TimeWait`
[INFO] [stdout]   --> src/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     TimeWait,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closed`
[INFO] [stdout]   --> src/connection.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Closed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `receiver`
[INFO] [stdout]   --> src/connection.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     receiver: pnet::transport::TransportReceiver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/connection.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn recv(&self) -> Result<&[u8], &str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/connection.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn close(&mut self) -> Result<(), &str> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `listen`
[INFO] [stdout]    --> src/connection.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4305e4cad1a4cdf25040857395166aff7484c80ccc2f718a7b939d979006b6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4305e4cad1a4cdf25040857395166aff7484c80ccc2f718a7b939d979006b6fe", kill_on_drop: false }`
[INFO] [stdout] 4305e4cad1a4cdf25040857395166aff7484c80ccc2f718a7b939d979006b6fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11a90987937979e8aad4593b2aef96e2c96590047931ca542a6be5d3918fa4e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11a90987937979e8aad4593b2aef96e2c96590047931ca542a6be5d3918fa4e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/connection.rs:105:11
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stderr]     |           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Listen`
[INFO] [stderr]   --> src/connection.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Listen,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynSent`
[INFO] [stderr]   --> src/connection.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     SynSent,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynReceived`
[INFO] [stderr]   --> src/connection.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     SynReceived,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait1`
[INFO] [stderr]   --> src/connection.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     FinWait1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait2`
[INFO] [stderr]   --> src/connection.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     FinWait2,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseWait`
[INFO] [stderr]   --> src/connection.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     CloseWait,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Closing`
[INFO] [stderr]   --> src/connection.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Closing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LastAck`
[INFO] [stderr]   --> src/connection.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     LastAck,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeWait`
[INFO] [stderr]   --> src/connection.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     TimeWait,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Closed`
[INFO] [stderr]   --> src/connection.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Closed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `receiver`
[INFO] [stderr]   --> src/connection.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     receiver: pnet::transport::TransportReceiver,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `recv`
[INFO] [stderr]   --> src/connection.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn recv(&self) -> Result<&[u8], &str> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `close`
[INFO] [stderr]   --> src/connection.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn close(&mut self) -> Result<(), &str> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `listen`
[INFO] [stderr]    --> src/connection.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tcp-5a601ff4cc68847c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11a90987937979e8aad4593b2aef96e2c96590047931ca542a6be5d3918fa4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a90987937979e8aad4593b2aef96e2c96590047931ca542a6be5d3918fa4e1", kill_on_drop: false }`
[INFO] [stdout] 11a90987937979e8aad4593b2aef96e2c96590047931ca542a6be5d3918fa4e1