[INFO] cloning repository https://github.com/kodmanyagha/network-programming-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kodmanyagha/network-programming-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fnetwork-programming-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fnetwork-programming-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65e337714e56a47c3bb33e7a122f396f34f0e42b [INFO] checking kodmanyagha/network-programming-rs against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Fnetwork-programming-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kodmanyagha/network-programming-rs on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kodmanyagha/network-programming-rs [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/kodmanyagha/network-programming-rs [INFO] tweaked toml for git repo https://github.com/kodmanyagha/network-programming-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kodmanyagha/network-programming-rs 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ipnetwork v0.21.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 733a054d7ac2207c38734a3c6fb2a44a6e83c5912d50a4290df49de883b27b38 [INFO] running `Command { std: "docker" "start" "-a" "733a054d7ac2207c38734a3c6fb2a44a6e83c5912d50a4290df49de883b27b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "733a054d7ac2207c38734a3c6fb2a44a6e83c5912d50a4290df49de883b27b38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "733a054d7ac2207c38734a3c6fb2a44a6e83c5912d50a4290df49de883b27b38", kill_on_drop: false }` [INFO] [stdout] 733a054d7ac2207c38734a3c6fb2a44a6e83c5912d50a4290df49de883b27b38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2c5fa124be1bb49264e0d5edcd33b479740c6639e4499522dd9da3b099db816 [INFO] running `Command { std: "docker" "start" "-a" "a2c5fa124be1bb49264e0d5edcd33b479740c6639e4499522dd9da3b099db816", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling serde_json v1.0.137 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking log v0.4.25 [INFO] [stderr] Checking ipnetwork v0.21.1 [INFO] [stderr] Checking indexmap v2.7.1 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.94 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking network-programming-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `Read`, `TcpStream`, `Write`, `str`, and `time::Duration` [INFO] [stdout] --> examples/udp_client.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | io::{self, BufRead, BufReader, Read, Write}, [INFO] [stdout] | ^^^^^^^^^ ^^^^ ^^^^^ [INFO] [stdout] 4 | net::{TcpStream, UdpSocket}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 5 | str, [INFO] [stdout] | ^^^ [INFO] [stdout] 6 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> examples/udp_client.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | io::{self, BufRead, BufReader, Read, Write}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Read`, `Write`, and `net::TcpStream` [INFO] [stdout] --> examples/slice_showcase.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{Error, Read, Write}, [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^ [INFO] [stdout] 3 | net::TcpStream, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> examples/thread_tcp_echo_server.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{seq::SliceRandom, thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_mut_1` [INFO] [stdout] --> examples/slice_showcase.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut x_mut_1: &mut [u8] = &mut buf[2..5]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_mut_1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/slice_showcase.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut x_mut_1: &mut [u8] = &mut buf[2..5]; [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 variable: `current_char` [INFO] [stdout] --> examples/thread_tcp_echo_server.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let current_char = [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_char` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_char` [INFO] [stdout] --> examples/thread_tcp_echo_server.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let current_char = current_byte.clone() as char; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.58s [INFO] running `Command { std: "docker" "inspect" "a2c5fa124be1bb49264e0d5edcd33b479740c6639e4499522dd9da3b099db816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c5fa124be1bb49264e0d5edcd33b479740c6639e4499522dd9da3b099db816", kill_on_drop: false }` [INFO] [stdout] a2c5fa124be1bb49264e0d5edcd33b479740c6639e4499522dd9da3b099db816