[INFO] fetching crate xbnet 1.1.0...
[INFO] checking xbnet-1.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate xbnet 1.1.0 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xbnet 1.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xbnet 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.22
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
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[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded etherparse v0.9.0
[INFO] [stderr]   Downloaded chrono v0.4.16
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded tun-tap v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d45e3f2f81734eeca45d5b03f8b7544db596c0088776afcdb4fbf9d620ec0b
[INFO] running `Command { std: "docker" "start" "-a" "67d45e3f2f81734eeca45d5b03f8b7544db596c0088776afcdb4fbf9d620ec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d45e3f2f81734eeca45d5b03f8b7544db596c0088776afcdb4fbf9d620ec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d45e3f2f81734eeca45d5b03f8b7544db596c0088776afcdb4fbf9d620ec0b", kill_on_drop: false }`
[INFO] [stdout] 67d45e3f2f81734eeca45d5b03f8b7544db596c0088776afcdb4fbf9d620ec0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1edc91058604759056a5eab8af48df2e7786263105991d88a318d1b627275b2
[INFO] running `Command { std: "docker" "start" "-a" "a1edc91058604759056a5eab8af48df2e7786263105991d88a318d1b627275b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.22
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking format_escape_default v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking etherparse v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking libudev v0.2.0
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `myxbmac` and `name` are never read
[INFO] [stdout]   --> src/tap.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct XBTap {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 41 |     pub myxbmac: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBTap` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `showmac` is never used
[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] 
[INFO] [stdout] warning: fields `myxbmac` and `name` are never read
[INFO] [stdout]   --> src/tun.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct XBTun {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 41 |     pub myxbmac: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBTun` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkerror` is never used
[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 `assert_response` is never used
[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 `U16` is never constructed
[INFO] [stdout]   --> src/xbpacket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum XBDestAddr {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 29 |     /// A 16-bit destination address.  When a 64-bit address is given, this is transmitted as 0xFFFE.
[INFO] [stdout] 30 |     U16(u16),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBDestAddr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mac64to48` is never used
[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 `mac48to64` is never used
[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: struct `ExtTxStatus` is never constructed
[INFO] [stdout]    --> src/xbpacket.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct ExtTxStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `discardframes` is never used
[INFO] [stdout]    --> src/xbrx.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl XBReframer {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `myxbmac` and `name` are never read
[INFO] [stdout]   --> src/tap.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct XBTap {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 41 |     pub myxbmac: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBTap` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `showmac` is never used
[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] 
[INFO] [stdout] warning: fields `myxbmac` and `name` are never read
[INFO] [stdout]   --> src/tun.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct XBTun {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 41 |     pub myxbmac: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBTun` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mkerror` is never used
[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 `assert_response` is never used
[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 `U16` is never constructed
[INFO] [stdout]   --> src/xbpacket.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum XBDestAddr {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 29 |     /// A 16-bit destination address.  When a 64-bit address is given, this is transmitted as 0xFFFE.
[INFO] [stdout] 30 |     U16(u16),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XBDestAddr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mac64to48` is never used
[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 `mac48to64` is never used
[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: struct `ExtTxStatus` is never constructed
[INFO] [stdout]    --> src/xbpacket.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct ExtTxStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `discardframes` is never used
[INFO] [stdout]    --> src/xbrx.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl XBReframer {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn discardframes(&mut self, ser: &mut XBSerReader) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "a1edc91058604759056a5eab8af48df2e7786263105991d88a318d1b627275b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1edc91058604759056a5eab8af48df2e7786263105991d88a318d1b627275b2", kill_on_drop: false }`
[INFO] [stdout] a1edc91058604759056a5eab8af48df2e7786263105991d88a318d1b627275b2
