[INFO] updating cached repository kvnallsn/motd-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kvnallsn/motd-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kvnallsn/motd-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kvnallsn/motd-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kvnallsn/motd-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kvnallsn/motd-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9abc2b4acb05f20005935cc6848dbef6d624d83d
[INFO] sha for GitHub repo kvnallsn/motd-rs: 9abc2b4acb05f20005935cc6848dbef6d624d83d
[INFO] validating manifest of kvnallsn/motd-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kvnallsn/motd-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kvnallsn/motd-rs
[INFO] finished frobbing kvnallsn/motd-rs
[INFO] frobbed toml for kvnallsn/motd-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs/Cargo.toml
[INFO] started frobbing kvnallsn/motd-rs
[INFO] finished frobbing kvnallsn/motd-rs
[INFO] frobbed toml for kvnallsn/motd-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kvnallsn/motd-rs/Cargo.toml
[INFO] crate kvnallsn/motd-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kvnallsn/motd-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f1061aea75e8b7b2f493b7c7d6406d080db5592cdf1b4d9c297aeec19d06ba6e
[INFO] running `"docker" "start" "-a" "f1061aea75e8b7b2f493b7c7d6406d080db5592cdf1b4d9c297aeec19d06ba6e"`
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling motd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ParsingError`
[INFO] [stderr]  --> src/commands/linux/net.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     error::{Error, MotdResult, ParsingError},
[INFO] [stderr]   |                                ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Local`, `TimeZone`
[INFO] [stderr]  --> src/commands/linux/uptime.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use chrono::offset::{Local, TimeZone};
[INFO] [stderr]   |                      ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/commands/unix.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn processes(args: Option<&str>) -> Vec<String> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip6`
[INFO] [stderr]   --> src/commands/common.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 IpAddr::V6(ip6) => {}
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_ip6`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ty`
[INFO] [stderr]   --> src/commands/linux/netlink/header.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn ty(mut self, msg_ty: MessageType) -> Header {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flags`
[INFO] [stderr]   --> src/commands/linux/netlink/header.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn flags(mut self, flags: Vec<Flag>) -> Header {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_bytes`
[INFO] [stderr]    --> src/commands/linux/netlink/header.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     pub fn as_bytes(&self) -> [u8; 2] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Udp`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Udp = libc::IPPROTO_UDP as isize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UdpLite`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     UdpLite = libc::IPPROTO_UDPLITE as isize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynSent`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     SynSent,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynRecv`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     SynRecv,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait1`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     FinWait1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait2`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     FinWait2,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeWait`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     TimeWait,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseWait`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     CloseWait,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LastAck`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     LastAck,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Closing`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Closing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NewSynRecv`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     NewSynRecv,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `address_family`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn address_family(mut self, family: AddressFamily) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `protocol`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn protocol(mut self, proto: Protocol) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn new(family: AddressFamily, protocol: Protocol) -> NlINetDiagReqV2 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new() -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attribute`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn attribute(mut self, attr: RequestAttribute) -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attributes`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn attributes(mut self, v: Vec<RequestAttribute>) -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_u32`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn as_u32(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `examine_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn examine_bytes<T>(t: &T) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn to_bytes<T>(t: &T) -> &[u8] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn print_bytes(b: &[u8]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `socket_test`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn socket_test() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedOS`
[INFO] [stderr]   --> src/error.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     UnsupportedOS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.78s
[INFO] running `"docker" "inspect" "f1061aea75e8b7b2f493b7c7d6406d080db5592cdf1b4d9c297aeec19d06ba6e"`
[INFO] running `"docker" "rm" "-f" "f1061aea75e8b7b2f493b7c7d6406d080db5592cdf1b4d9c297aeec19d06ba6e"`
[INFO] [stdout] f1061aea75e8b7b2f493b7c7d6406d080db5592cdf1b4d9c297aeec19d06ba6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 24a392dad3485e5ebf9e2e83177e0aae85f60dde2798383aa094729b2cf14ebc
[INFO] running `"docker" "start" "-a" "24a392dad3485e5ebf9e2e83177e0aae85f60dde2798383aa094729b2cf14ebc"`
[INFO] [stderr]    Compiling motd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ParsingError`
[INFO] [stderr]  --> src/commands/linux/net.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 |     error::{Error, MotdResult, ParsingError},
[INFO] [stderr]   |                                ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Local`, `TimeZone`
[INFO] [stderr]  --> src/commands/linux/uptime.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use chrono::offset::{Local, TimeZone};
[INFO] [stderr]   |                      ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/commands/unix.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn processes(args: Option<&str>) -> Vec<String> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip6`
[INFO] [stderr]   --> src/commands/common.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 IpAddr::V6(ip6) => {}
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_ip6`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ty`
[INFO] [stderr]   --> src/commands/linux/netlink/header.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn ty(mut self, msg_ty: MessageType) -> Header {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flags`
[INFO] [stderr]   --> src/commands/linux/netlink/header.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn flags(mut self, flags: Vec<Flag>) -> Header {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_bytes`
[INFO] [stderr]    --> src/commands/linux/netlink/header.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     pub fn as_bytes(&self) -> [u8; 2] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Udp`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Udp = libc::IPPROTO_UDP as isize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UdpLite`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     UdpLite = libc::IPPROTO_UDPLITE as isize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynSent`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     SynSent,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SynRecv`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     SynRecv,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait1`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     FinWait1,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FinWait2`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     FinWait2,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeWait`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     TimeWait,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Close`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Close,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseWait`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     CloseWait,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LastAck`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     LastAck,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Closing`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Closing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NewSynRecv`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/inet.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     NewSynRecv,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `address_family`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn address_family(mut self, family: AddressFamily) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `protocol`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn protocol(mut self, proto: Protocol) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/commands/linux/netlink/sockdiag/inet.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn new(family: AddressFamily, protocol: Protocol) -> NlINetDiagReqV2 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new() -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attribute`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn attribute(mut self, attr: RequestAttribute) -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attributes`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn attributes(mut self, v: Vec<RequestAttribute>) -> Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_u32`
[INFO] [stderr]   --> src/commands/linux/netlink/sockdiag/unix.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn as_u32(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `examine_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn examine_bytes<T>(t: &T) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn to_bytes<T>(t: &T) -> &[u8] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_bytes`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn print_bytes(b: &[u8]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `socket_test`
[INFO] [stderr]   --> src/commands/linux/netlink.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn socket_test() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedOS`
[INFO] [stderr]   --> src/error.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     UnsupportedOS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "24a392dad3485e5ebf9e2e83177e0aae85f60dde2798383aa094729b2cf14ebc"`
[INFO] running `"docker" "rm" "-f" "24a392dad3485e5ebf9e2e83177e0aae85f60dde2798383aa094729b2cf14ebc"`
[INFO] [stdout] 24a392dad3485e5ebf9e2e83177e0aae85f60dde2798383aa094729b2cf14ebc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kvnallsn/motd-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 054a81b21ee81ac5478f6b98f77bb0c204ebd8ce925e33e0bcce300c81291f72
[INFO] running `"docker" "start" "-a" "054a81b21ee81ac5478f6b98f77bb0c204ebd8ce925e33e0bcce300c81291f72"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/motd-c1b8d0b5e0163c20
[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 `"docker" "inspect" "054a81b21ee81ac5478f6b98f77bb0c204ebd8ce925e33e0bcce300c81291f72"`
[INFO] running `"docker" "rm" "-f" "054a81b21ee81ac5478f6b98f77bb0c204ebd8ce925e33e0bcce300c81291f72"`
[INFO] [stdout] 054a81b21ee81ac5478f6b98f77bb0c204ebd8ce925e33e0bcce300c81291f72