[INFO] crate ipvs 0.1.1 is already in cache
[INFO] extracting crate ipvs 0.1.1 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/ipvs/0.1.1
[INFO] extracting crate ipvs 0.1.1 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/ipvs/0.1.1
[INFO] validating manifest of ipvs-0.1.1 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ipvs-0.1.1 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ipvs-0.1.1
[INFO] finished frobbing ipvs-0.1.1
[INFO] frobbed toml for ipvs-0.1.1 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/ipvs/0.1.1/Cargo.toml
[INFO] started frobbing ipvs-0.1.1
[INFO] finished frobbing ipvs-0.1.1
[INFO] frobbed toml for ipvs-0.1.1 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/ipvs/0.1.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ipvs-0.1.1 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/ipvs/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9849d80749a2d1bf295693f16335dd64c8d5d8051e78aca6c47e759d792c8075
[INFO] running `"docker" "start" "-a" "9849d80749a2d1bf295693f16335dd64c8d5d8051e78aca6c47e759d792c8075"`
[INFO] [stderr]     Checking ipvs v0.1.1 (/opt/crater/workdir)
[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 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_family`
[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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_family`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]   --> src/netlink.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Context {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/netlink.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/netlink.rs:41:5
[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:173:1
[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:177:1
[INFO] [stderr]     |
[INFO] [stderr] 177 | enum ControlMessage {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `M`
[INFO] [stderr]    --> src/netlink.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | enum M {
[INFO] [stderr]     | ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MM`
[INFO] [stderr]    --> src/netlink.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | enum MM {
[INFO] [stderr]     | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AckMessage`
[INFO] [stderr]    --> src/netlink.rs:194:1
[INFO] [stderr]     |
[INFO] [stderr] 194 | struct AckMessage;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unpack`
[INFO] [stderr]    --> src/netlink.rs:237:5
[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: struct is never constructed: `Context`
[INFO] [stderr]   --> src/netlink.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Context {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/netlink.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/netlink.rs:41:5
[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:173:1
[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:177:1
[INFO] [stderr]     |
[INFO] [stderr] 177 | enum ControlMessage {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `M`
[INFO] [stderr]    --> src/netlink.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | enum M {
[INFO] [stderr]     | ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MM`
[INFO] [stderr]    --> src/netlink.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | enum MM {
[INFO] [stderr]     | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AckMessage`
[INFO] [stderr]    --> src/netlink.rs:194:1
[INFO] [stderr]     |
[INFO] [stderr] 194 | struct AckMessage;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unpack`
[INFO] [stderr]    --> src/netlink.rs:237:5
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "9849d80749a2d1bf295693f16335dd64c8d5d8051e78aca6c47e759d792c8075"`
[INFO] running `"docker" "rm" "-f" "9849d80749a2d1bf295693f16335dd64c8d5d8051e78aca6c47e759d792c8075"`
[INFO] [stdout] 9849d80749a2d1bf295693f16335dd64c8d5d8051e78aca6c47e759d792c8075