[INFO] cloning repository https://github.com/MAKLs/rdns [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MAKLs/rdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAKLs%2Frdns"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAKLs%2Frdns'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9dd6f53249911781aa3ede1346bb49af6fde9f01 [INFO] checking MAKLs/rdns against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMAKLs%2Frdns" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MAKLs/rdns on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MAKLs/rdns [INFO] finished tweaking git repo https://github.com/MAKLs/rdns [INFO] tweaked toml for git repo https://github.com/MAKLs/rdns written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/MAKLs/rdns already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4c0a04331033ac349ce0af971dcc3070229f8a3b38726ef9af4eb4a57b5936a5 [INFO] running `"docker" "start" "-a" "4c0a04331033ac349ce0af971dcc3070229f8a3b38726ef9af4eb4a57b5936a5"` [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rdns v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/dns/network.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Result}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/dns/network.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Result}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qtype` [INFO] [stderr] --> src/dns/network.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | qtype: QueryType, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_qtype` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `server` [INFO] [stderr] --> src/dns/network.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | server: (&str, u16), [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_server` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `recursive` [INFO] [stderr] --> src/dns/network.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | recursive: bool, [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_recursive` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `recursive` [INFO] [stderr] --> src/dns/resolver.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | fn resolve(&self, qname: &str, qtype: QueryType, recursive: bool) -> Result { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_recursive` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/dns/server.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qtype` [INFO] [stderr] --> src/dns/network.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | qtype: QueryType, [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_qtype` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `server` [INFO] [stderr] --> src/dns/network.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | server: (&str, u16), [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_server` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `recursive` [INFO] [stderr] --> src/dns/network.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | recursive: bool, [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_recursive` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `recursive` [INFO] [stderr] --> src/dns/resolver.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | fn resolve(&self, qname: &str, qtype: QueryType, recursive: bool) -> Result { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_recursive` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/dns/server.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.08s [INFO] running `"docker" "inspect" "4c0a04331033ac349ce0af971dcc3070229f8a3b38726ef9af4eb4a57b5936a5"` [INFO] running `"docker" "rm" "-f" "4c0a04331033ac349ce0af971dcc3070229f8a3b38726ef9af4eb4a57b5936a5"` [INFO] [stdout] 4c0a04331033ac349ce0af971dcc3070229f8a3b38726ef9af4eb4a57b5936a5