[INFO] cloning repository https://github.com/jgoerzen/xbnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgoerzen/xbnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fxbnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fxbnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e24c1bbd8f17ff97d01c9eb34098e9ce7f90790
[INFO] checking jgoerzen/xbnet against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgoerzen%2Fxbnet" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgoerzen/xbnet on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgoerzen/xbnet
[INFO] finished tweaking git repo https://github.com/jgoerzen/xbnet
[INFO] tweaked toml for git repo https://github.com/jgoerzen/xbnet written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jgoerzen/xbnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.22
[INFO] [stderr]   Downloaded chrono v0.4.16
[INFO] [stderr]   Downloaded format_escape_default v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11d428d3f5e9b0361fc6103235691f0bf183ba58aab6f49c73aadc8ed4d2d8c9
[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" "11d428d3f5e9b0361fc6103235691f0bf183ba58aab6f49c73aadc8ed4d2d8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d428d3f5e9b0361fc6103235691f0bf183ba58aab6f49c73aadc8ed4d2d8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d428d3f5e9b0361fc6103235691f0bf183ba58aab6f49c73aadc8ed4d2d8c9", kill_on_drop: false }`
[INFO] [stdout] 11d428d3f5e9b0361fc6103235691f0bf183ba58aab6f49c73aadc8ed4d2d8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263cceabd20099e30f68da90fca5d05eff6cee960dc2844873253559935bf2df
[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" "263cceabd20099e30f68da90fca5d05eff6cee960dc2844873253559935bf2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.22
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking format_escape_default v0.1.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking etherparse v0.9.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking chrono v0.4.16
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking xbnet v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]   --> src/xbpacket.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use log::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]   --> src/xbpacket.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use log::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xbpacket.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |             .map_err(|e| String::from("More than 255 chunks to transmit"))?;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `showmac`
[INFO] [stdout]    --> src/tap.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn showmac(mac: &[u8; 6]) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mkerror`
[INFO] [stdout]   --> src/xb.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn mkerror(msg: &str) -> Error {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_response`
[INFO] [stdout]   --> src/xb.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn assert_response(resp: String, expected: String) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `U16`
[INFO] [stdout]   --> src/xbpacket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     U16(u16),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mac64to48`
[INFO] [stdout]    --> src/xbpacket.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn mac64to48(mac64: u64) -> [u8; 6] {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mac48to64`
[INFO] [stdout]    --> src/xbpacket.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn mac48to64(mac48: &[u8; 6], pattern64: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `discardframes`
[INFO] [stdout]    --> src/xbrx.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xbpacket.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |             .map_err(|e| String::from("More than 255 chunks to transmit"))?;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `showmac`
[INFO] [stdout]    --> src/tap.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn showmac(mac: &[u8; 6]) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mkerror`
[INFO] [stdout]   --> src/xb.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn mkerror(msg: &str) -> Error {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_response`
[INFO] [stdout]   --> src/xb.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn assert_response(resp: String, expected: String) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `U16`
[INFO] [stdout]   --> src/xbpacket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     U16(u16),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mac64to48`
[INFO] [stdout]    --> src/xbpacket.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn mac64to48(mac64: u64) -> [u8; 6] {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mac48to64`
[INFO] [stdout]    --> src/xbpacket.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn mac48to64(mac48: &[u8; 6], pattern64: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `discardframes`
[INFO] [stdout]    --> src/xbrx.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.55s
[INFO] running `Command { std: "docker" "inspect" "263cceabd20099e30f68da90fca5d05eff6cee960dc2844873253559935bf2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263cceabd20099e30f68da90fca5d05eff6cee960dc2844873253559935bf2df", kill_on_drop: false }`
[INFO] [stdout] 263cceabd20099e30f68da90fca5d05eff6cee960dc2844873253559935bf2df