[INFO] cloning repository https://github.com/bevensteven/dns-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bevensteven/dns-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89bb9f47d2e2e14637afc3aa98b44a4c071c05c2 [INFO] building bevensteven/dns-server against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbevensteven%2Fdns-server" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bevensteven/dns-server on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bevensteven/dns-server [INFO] finished tweaking git repo https://github.com/bevensteven/dns-server [INFO] tweaked toml for git repo https://github.com/bevensteven/dns-server written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bevensteven/dns-server 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 424ed1ced51a673ebb44e50fe872d1e5f9cf131c2bb786cbaa8af68e7fa55c7b [INFO] running `Command { std: "docker" "start" "-a" "424ed1ced51a673ebb44e50fe872d1e5f9cf131c2bb786cbaa8af68e7fa55c7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "424ed1ced51a673ebb44e50fe872d1e5f9cf131c2bb786cbaa8af68e7fa55c7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "424ed1ced51a673ebb44e50fe872d1e5f9cf131c2bb786cbaa8af68e7fa55c7b", kill_on_drop: false }` [INFO] [stdout] 424ed1ced51a673ebb44e50fe872d1e5f9cf131c2bb786cbaa8af68e7fa55c7b [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c223355c4eebf796f813bb5469ae8528650fd7a9f108fad1b475a3d619f9d62 [INFO] running `Command { std: "docker" "start" "-a" "7c223355c4eebf796f813bb5469ae8528650fd7a9f108fad1b475a3d619f9d62", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling dns-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/web/server.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let server = ("8.8.8.8", 53); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/dns/byte_packet_buffer.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl BytePacketBuffer { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn write(&mut self, val: u8) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn write_u8(&mut self, val: u8) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn write_u16(&mut self, val: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn write_u32(&mut self, val: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | fn set(&mut self, pos: usize, val: u8) -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn set_u16(&mut self, pos: usize, val: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn write_qname(&mut self, qname: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_header.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl DnsHeader { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `write`, `get_random_a`, `get_resolved_ns`, and `get_unresolved_ns` are never used [INFO] [stdout] --> src/dns/dns_packet.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl DnsPacket { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn get_random_a(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn get_resolved_ns(&self, qname: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | pub fn get_unresolved_ns(&self, qname: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_question.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl DnsQuestion { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_record.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl DnsRecord { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 150 | pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_num` is never used [INFO] [stdout] --> src/dns/query_type.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl QueryType { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 12 | pub fn to_num(&self) -> u16 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "7c223355c4eebf796f813bb5469ae8528650fd7a9f108fad1b475a3d619f9d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c223355c4eebf796f813bb5469ae8528650fd7a9f108fad1b475a3d619f9d62", kill_on_drop: false }` [INFO] [stdout] 7c223355c4eebf796f813bb5469ae8528650fd7a9f108fad1b475a3d619f9d62 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2872bc5742aa02b49b42b1918a08a046257b350bc7a2ab231bc6cad15641c804 [INFO] running `Command { std: "docker" "start" "-a" "2872bc5742aa02b49b42b1918a08a046257b350bc7a2ab231bc6cad15641c804", kill_on_drop: false }` [INFO] [stderr] Compiling dns-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/web/server.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let server = ("8.8.8.8", 53); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/web/server.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let server = ("8.8.8.8", 53); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/dns/byte_packet_buffer.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl BytePacketBuffer { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn write(&mut self, val: u8) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn write_u8(&mut self, val: u8) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn write_u16(&mut self, val: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn write_u32(&mut self, val: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | fn set(&mut self, pos: usize, val: u8) -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn set_u16(&mut self, pos: usize, val: u16) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn write_qname(&mut self, qname: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_header.rs:79:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl DnsHeader { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `write`, `get_random_a`, `get_resolved_ns`, and `get_unresolved_ns` are never used [INFO] [stdout] --> src/dns/dns_packet.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl DnsPacket { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn get_random_a(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn get_resolved_ns(&self, qname: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | pub fn get_unresolved_ns(&self, qname: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_question.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl DnsQuestion { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn write(&mut self, buffer: &mut BytePacketBuffer) -> Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/dns/dns_record.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl DnsRecord { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 150 | pub fn write(&self, buffer: &mut BytePacketBuffer) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_num` is never used [INFO] [stdout] --> src/dns/query_type.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl QueryType { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 12 | pub fn to_num(&self) -> u16 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "2872bc5742aa02b49b42b1918a08a046257b350bc7a2ab231bc6cad15641c804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2872bc5742aa02b49b42b1918a08a046257b350bc7a2ab231bc6cad15641c804", kill_on_drop: false }` [INFO] [stdout] 2872bc5742aa02b49b42b1918a08a046257b350bc7a2ab231bc6cad15641c804