[INFO] fetching crate xbnet 1.1.0... [INFO] checking xbnet-1.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate xbnet 1.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate xbnet 1.1.0 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 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-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded format_escape_default v0.1.1 [INFO] [stderr] Downloaded chrono v0.4.16 [INFO] [stderr] Downloaded tun-tap v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3ab1958c2f6d0134baebd219f3f06db8caa4590e2baab6d538966f5e04013dd4 [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" "3ab1958c2f6d0134baebd219f3f06db8caa4590e2baab6d538966f5e04013dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ab1958c2f6d0134baebd219f3f06db8caa4590e2baab6d538966f5e04013dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ab1958c2f6d0134baebd219f3f06db8caa4590e2baab6d538966f5e04013dd4", kill_on_drop: false }` [INFO] [stdout] 3ab1958c2f6d0134baebd219f3f06db8caa4590e2baab6d538966f5e04013dd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 715c93a9fd5707a8f53667de249f4263e1c502732577b9e226eba007d5132098 [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" "715c93a9fd5707a8f53667de249f4263e1c502732577b9e226eba007d5132098", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.22 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Compiling nix v0.14.1 [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 num-traits v0.2.12 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking etherparse v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling tun-tap v0.1.2 [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: 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: 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 39.37s [INFO] running `Command { std: "docker" "inspect" "715c93a9fd5707a8f53667de249f4263e1c502732577b9e226eba007d5132098", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "715c93a9fd5707a8f53667de249f4263e1c502732577b9e226eba007d5132098", kill_on_drop: false }` [INFO] [stdout] 715c93a9fd5707a8f53667de249f4263e1c502732577b9e226eba007d5132098