[INFO] cloning repository https://github.com/hflemmen/ipecho [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hflemmen/ipecho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4e00acdff1f7f396212da0aa4b85207d8c21ae1 [INFO] checking hflemmen/ipecho against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hflemmen/ipecho on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hflemmen/ipecho [INFO] finished tweaking git repo https://github.com/hflemmen/ipecho [INFO] tweaked toml for git repo https://github.com/hflemmen/ipecho written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/hflemmen/ipecho already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51d176dbdffb86c586c53eea5a30dc9384b0c30682accdc668a57c36f548ee1f [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" "51d176dbdffb86c586c53eea5a30dc9384b0c30682accdc668a57c36f548ee1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51d176dbdffb86c586c53eea5a30dc9384b0c30682accdc668a57c36f548ee1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d176dbdffb86c586c53eea5a30dc9384b0c30682accdc668a57c36f548ee1f", kill_on_drop: false }` [INFO] [stdout] 51d176dbdffb86c586c53eea5a30dc9384b0c30682accdc668a57c36f548ee1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6edbf16cd4c688fcca473ad1c525f49473d641878adcd8f5574dc759cb1bdcdb [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" "6edbf16cd4c688fcca473ad1c525f49473d641878adcd8f5574dc759cb1bdcdb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling pnet v0.27.2 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Checking pnet_macros_support v0.27.2 [INFO] [stderr] Checking ipnetwork v0.17.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking pnet_sys v0.27.2 [INFO] [stderr] Checking pnet_datalink v0.27.2 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.27.2 [INFO] [stderr] Compiling pnet_packet v0.27.2 [INFO] [stderr] Checking pnet_transport v0.27.2 [INFO] [stderr] Checking ipecho v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ipv4Addr` [INFO] [stdout] --> src/client.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/client.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/client.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/client.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => "This was not utf8.", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut socket = UdpSocket::bind("0.0.0.0:34254").unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/server.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/server.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut socket = UdpSocket::bind("0.0.0.0:34254")?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ipv4Addr` [INFO] [stdout] --> src/client.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | socket.set_broadcast(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/client.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/client.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/client.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => "This was not utf8.", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut socket = UdpSocket::bind("0.0.0.0:34254").unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut socket = UdpSocket::bind("0.0.0.0:34254")?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | socket.set_broadcast(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | socket.set_broadcast(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | socket.set_broadcast(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "6edbf16cd4c688fcca473ad1c525f49473d641878adcd8f5574dc759cb1bdcdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6edbf16cd4c688fcca473ad1c525f49473d641878adcd8f5574dc759cb1bdcdb", kill_on_drop: false }` [INFO] [stdout] 6edbf16cd4c688fcca473ad1c525f49473d641878adcd8f5574dc759cb1bdcdb