[INFO] crate ipvs 0.1.1 is already in cache
[INFO] testing ipvs-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate ipvs 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ipvs 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipvs 0.1.1
[INFO] finished tweaking crates.io crate ipvs 0.1.1
[INFO] tweaked toml for crates.io crate ipvs 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b0b3f8e70e46ab535721460dd102a3534c11460477ba462f19bda078a3d46fd
[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" "5b0b3f8e70e46ab535721460dd102a3534c11460477ba462f19bda078a3d46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0b3f8e70e46ab535721460dd102a3534c11460477ba462f19bda078a3d46fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0b3f8e70e46ab535721460dd102a3534c11460477ba462f19bda078a3d46fd", kill_on_drop: false }`
[INFO] [stdout] 5b0b3f8e70e46ab535721460dd102a3534c11460477ba462f19bda078a3d46fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff560b0cfa167cbb8f9846490673ca28a5fc497cea09490e7168c320bafccc3
[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" "2ff560b0cfa167cbb8f9846490673ca28a5fc497cea09490e7168c320bafccc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipvs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/netlink.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/netlink.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/netlink.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let rc = unsafe { libc::recv(self.fd, buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0) };
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `family`
[INFO] [stdout]    --> src/netlink.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn resolve_family(&mut self, family: &str) -> Result<i32, Error> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/netlink.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/netlink.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add(&mut self) -> Result<i32, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `resolve_type`
[INFO] [stdout]    --> src/netlink.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlMessage`
[INFO] [stdout]    --> src/netlink.rs:177:6
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum ControlMessage {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `M`
[INFO] [stdout]    --> src/netlink.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum M {
[INFO] [stdout]     |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MM`
[INFO] [stdout]    --> src/netlink.rs:189:6
[INFO] [stdout]     |
[INFO] [stdout] 189 | enum MM {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AckMessage`
[INFO] [stdout]    --> src/netlink.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct AckMessage;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unpack`
[INFO] [stdout]    --> src/netlink.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn unpack<R: Read>(rd: &mut R) -> Result<Self, Error> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         vec.write_u32::<NativeEndian>(16 + 4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         vec.write_u16::<NativeEndian>(26);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         vec.write_u16::<NativeEndian>(ACK_REQUEST.bits());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         vec.write_u32::<NativeEndian>(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         vec.write_i32::<NativeEndian>(pid);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2ff560b0cfa167cbb8f9846490673ca28a5fc497cea09490e7168c320bafccc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff560b0cfa167cbb8f9846490673ca28a5fc497cea09490e7168c320bafccc3", kill_on_drop: false }`
[INFO] [stdout] 2ff560b0cfa167cbb8f9846490673ca28a5fc497cea09490e7168c320bafccc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8cd526b7672eed48e1fded76443287ba0bf64573720dbf4bd074ef97315a8f4
[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" "d8cd526b7672eed48e1fded76443287ba0bf64573720dbf4bd074ef97315a8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipvs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/netlink.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/netlink.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/netlink.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let rc = unsafe { libc::recv(self.fd, buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0) };
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `family`
[INFO] [stdout]    --> src/netlink.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn resolve_family(&mut self, family: &str) -> Result<i32, Error> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/netlink.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/netlink.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add(&mut self) -> Result<i32, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `resolve_type`
[INFO] [stdout]    --> src/netlink.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlMessage`
[INFO] [stdout]    --> src/netlink.rs:177:6
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum ControlMessage {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `M`
[INFO] [stdout]    --> src/netlink.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum M {
[INFO] [stdout]     |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MM`
[INFO] [stdout]    --> src/netlink.rs:189:6
[INFO] [stdout]     |
[INFO] [stdout] 189 | enum MM {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AckMessage`
[INFO] [stdout]    --> src/netlink.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct AckMessage;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unpack`
[INFO] [stdout]    --> src/netlink.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn unpack<R: Read>(rd: &mut R) -> Result<Self, Error> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         vec.write_u32::<NativeEndian>(16 + 4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         vec.write_u16::<NativeEndian>(26);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         vec.write_u16::<NativeEndian>(ACK_REQUEST.bits());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         vec.write_u32::<NativeEndian>(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         vec.write_i32::<NativeEndian>(pid);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/netlink.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / bitflags! {
[INFO] [stdout] 11 | |     struct MessageFlags: u16 {
[INFO] [stdout] 12 | |         const REQUEST     = 0x001;
[INFO] [stdout] 13 | |         const MULTI       = 0x002;
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     }
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/netlink.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/netlink.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/netlink.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let rc = unsafe { libc::recv(self.fd, buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0) };
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `family`
[INFO] [stdout]    --> src/netlink.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn resolve_family(&mut self, family: &str) -> Result<i32, Error> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/netlink.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/netlink.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn add(&mut self) -> Result<i32, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `resolve_type`
[INFO] [stdout]    --> src/netlink.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlMessage`
[INFO] [stdout]    --> src/netlink.rs:177:6
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum ControlMessage {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `M`
[INFO] [stdout]    --> src/netlink.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum M {
[INFO] [stdout]     |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MM`
[INFO] [stdout]    --> src/netlink.rs:189:6
[INFO] [stdout]     |
[INFO] [stdout] 189 | enum MM {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AckMessage`
[INFO] [stdout]    --> src/netlink.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct AckMessage;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unpack`
[INFO] [stdout]    --> src/netlink.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn unpack<R: Read>(rd: &mut R) -> Result<Self, Error> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         vec.write_u32::<NativeEndian>(16 + 4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         vec.write_u16::<NativeEndian>(26);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         vec.write_u16::<NativeEndian>(ACK_REQUEST.bits());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         vec.write_u32::<NativeEndian>(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         vec.write_i32::<NativeEndian>(pid);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "d8cd526b7672eed48e1fded76443287ba0bf64573720dbf4bd074ef97315a8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cd526b7672eed48e1fded76443287ba0bf64573720dbf4bd074ef97315a8f4", kill_on_drop: false }`
[INFO] [stdout] d8cd526b7672eed48e1fded76443287ba0bf64573720dbf4bd074ef97315a8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e50f407be008f8a5d72a893f8aed1e0faa4c84a4d89c7f3d2fbeceb4a5799ab
[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" "8e50f407be008f8a5d72a893f8aed1e0faa4c84a4d89c7f3d2fbeceb4a5799ab", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsRawFd`
[INFO] [stderr]  --> src/netlink.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/netlink.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rc`
[INFO] [stderr]    --> src/netlink.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let rc = unsafe { libc::recv(self.fd, buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0) };
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `family`
[INFO] [stderr]    --> src/netlink.rs:162:38
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn resolve_family(&mut self, family: &str) -> Result<i32, Error> {
[INFO] [stderr]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/netlink.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/netlink.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn add(&mut self) -> Result<i32, Error> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve_type`
[INFO] [stderr]    --> src/netlink.rs:173:4
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ControlMessage`
[INFO] [stderr]    --> src/netlink.rs:177:6
[INFO] [stderr]     |
[INFO] [stderr] 177 | enum ControlMessage {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `M`
[INFO] [stderr]    --> src/netlink.rs:183:6
[INFO] [stderr]     |
[INFO] [stderr] 183 | enum M {
[INFO] [stderr]     |      ^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MM`
[INFO] [stderr]    --> src/netlink.rs:189:6
[INFO] [stderr]     |
[INFO] [stderr] 189 | enum MM {
[INFO] [stderr]     |      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AckMessage`
[INFO] [stderr]    --> src/netlink.rs:194:8
[INFO] [stderr]     |
[INFO] [stderr] 194 | struct AckMessage;
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unpack`
[INFO] [stderr]    --> src/netlink.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn unpack<R: Read>(rd: &mut R) -> Result<Self, Error> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         vec.write_u32::<NativeEndian>(16 + 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         vec.write_u16::<NativeEndian>(26);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         vec.write_u16::<NativeEndian>(ACK_REQUEST.bits());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/netlink.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / bitflags! {
[INFO] [stderr] 11 | |     struct MessageFlags: u16 {
[INFO] [stderr] 12 | |         const REQUEST     = 0x001;
[INFO] [stderr] 13 | |         const MULTI       = 0x002;
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         vec.write_u32::<NativeEndian>(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsRawFd`
[INFO] [stderr]  --> src/netlink.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         vec.write_i32::<NativeEndian>(pid);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/netlink.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stderr]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rc`
[INFO] [stderr]    --> src/netlink.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let rc = unsafe { libc::recv(self.fd, buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0) };
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `family`
[INFO] [stderr]    --> src/netlink.rs:162:38
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn resolve_family(&mut self, family: &str) -> Result<i32, Error> {
[INFO] [stderr]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/netlink.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/netlink.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn add(&mut self) -> Result<i32, Error> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve_type`
[INFO] [stderr]    --> src/netlink.rs:173:4
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn resolve_type(ty: &str) -> Result<u16, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ControlMessage`
[INFO] [stderr]    --> src/netlink.rs:177:6
[INFO] [stderr]     |
[INFO] [stderr] 177 | enum ControlMessage {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `M`
[INFO] [stderr]    --> src/netlink.rs:183:6
[INFO] [stderr]     |
[INFO] [stderr] 183 | enum M {
[INFO] [stderr]     |      ^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MM`
[INFO] [stderr]    --> src/netlink.rs:189:6
[INFO] [stderr]     |
[INFO] [stderr] 189 | enum MM {
[INFO] [stderr]     |      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AckMessage`
[INFO] [stderr]    --> src/netlink.rs:194:8
[INFO] [stderr]     |
[INFO] [stderr] 194 | struct AckMessage;
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unpack`
[INFO] [stderr]    --> src/netlink.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn unpack<R: Read>(rd: &mut R) -> Result<Self, Error> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         vec.write_u32::<NativeEndian>(16 + 4);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         vec.write_u16::<NativeEndian>(26);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         vec.write_u16::<NativeEndian>(ACK_REQUEST.bits());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         vec.write_u32::<NativeEndian>(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/netlink.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         vec.write_i32::<NativeEndian>(pid);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipvs-bb678ffbf8d4925d
[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] [stderr]      Running /opt/rustwide/target/debug/deps/ipvs-fd4ed263e6b30a64
[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] [stderr]    Doc-tests ipvs
[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" "8e50f407be008f8a5d72a893f8aed1e0faa4c84a4d89c7f3d2fbeceb4a5799ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e50f407be008f8a5d72a893f8aed1e0faa4c84a4d89c7f3d2fbeceb4a5799ab", kill_on_drop: false }`
[INFO] [stdout] 8e50f407be008f8a5d72a893f8aed1e0faa4c84a4d89c7f3d2fbeceb4a5799ab