[INFO] fetching crate xbnet 1.1.0...
[INFO] testing xbnet-1.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate xbnet 1.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xbnet 1.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xbnet 1.1.0
[INFO] finished tweaking crates.io crate xbnet 1.1.0
[INFO] tweaked toml for crates.io crate xbnet 1.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate xbnet 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651e0c0654b8c6280df6c3c4bb3e5648e29ac1e363a52d242ad5258558f1923d
[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" "651e0c0654b8c6280df6c3c4bb3e5648e29ac1e363a52d242ad5258558f1923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651e0c0654b8c6280df6c3c4bb3e5648e29ac1e363a52d242ad5258558f1923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e0c0654b8c6280df6c3c4bb3e5648e29ac1e363a52d242ad5258558f1923d", kill_on_drop: false }`
[INFO] [stdout] 651e0c0654b8c6280df6c3c4bb3e5648e29ac1e363a52d242ad5258558f1923d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0aeeb202f7bfc09d64b5d01214ffc15224b58c6ca38a5c87bef876351a23f270
[INFO] running `Command { std: "docker" "start" "-a" "0aeeb202f7bfc09d64b5d01214ffc15224b58c6ca38a5c87bef876351a23f270", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling format_escape_default v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling etherparse v0.9.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.16
[INFO] [stderr]    Compiling simplelog v0.7.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling 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 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 36.72s
[INFO] running `Command { std: "docker" "inspect" "0aeeb202f7bfc09d64b5d01214ffc15224b58c6ca38a5c87bef876351a23f270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aeeb202f7bfc09d64b5d01214ffc15224b58c6ca38a5c87bef876351a23f270", kill_on_drop: false }`
[INFO] [stdout] 0aeeb202f7bfc09d64b5d01214ffc15224b58c6ca38a5c87bef876351a23f270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2eb7c581d0c0201648d236ea5371650e9b76a2e9789fe79728d01ddd9f7513b
[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" "a2eb7c581d0c0201648d236ea5371650e9b76a2e9789fe79728d01ddd9f7513b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2eb7c581d0c0201648d236ea5371650e9b76a2e9789fe79728d01ddd9f7513b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eb7c581d0c0201648d236ea5371650e9b76a2e9789fe79728d01ddd9f7513b", kill_on_drop: false }`
[INFO] [stdout] a2eb7c581d0c0201648d236ea5371650e9b76a2e9789fe79728d01ddd9f7513b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e8a040d76db02f56b190281621f23595d22a136d05a166d365718f6610d036e
[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" "2e8a040d76db02f56b190281621f23595d22a136d05a166d365718f6610d036e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]   --> src/xbpacket.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use log::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/xbpacket.rs:201:23
[INFO] [stderr]     |
[INFO] [stderr] 201 |             .map_err(|e| String::from("More than 255 chunks to transmit"))?;
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `showmac`
[INFO] [stderr]    --> src/tap.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn showmac(mac: &[u8; 6]) -> String {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mkerror`
[INFO] [stderr]   --> src/xb.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn mkerror(msg: &str) -> Error {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_response`
[INFO] [stderr]   --> src/xb.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn assert_response(resp: String, expected: String) -> io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `U16`
[INFO] [stderr]   --> src/xbpacket.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     U16(u16),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mac64to48`
[INFO] [stderr]    --> src/xbpacket.rs:144:8
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn mac64to48(mac64: u64) -> [u8; 6] {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mac48to64`
[INFO] [stderr]    --> src/xbpacket.rs:152:8
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub fn mac48to64(mac48: &[u8; 6], pattern64: u64) -> u64 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `discardframes`
[INFO] [stderr]    --> src/xbrx.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xbnet-5dba31c44bba2936
[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" "2e8a040d76db02f56b190281621f23595d22a136d05a166d365718f6610d036e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8a040d76db02f56b190281621f23595d22a136d05a166d365718f6610d036e", kill_on_drop: false }`
[INFO] [stdout] 2e8a040d76db02f56b190281621f23595d22a136d05a166d365718f6610d036e