[INFO] cloning repository https://github.com/awesomecuber/dns_learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awesomecuber/dns_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomecuber%2Fdns_learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomecuber%2Fdns_learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81ccc4c36471fa2c9ba6b1253319414f12b7145f [INFO] testing awesomecuber/dns_learn against 1.98.0-beta.1 for beta-1.98-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawesomecuber%2Fdns_learn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/awesomecuber/dns_learn [INFO] finished tweaking git repo https://github.com/awesomecuber/dns_learn [INFO] tweaked toml for git repo https://github.com/awesomecuber/dns_learn written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/awesomecuber/dns_learn on toolchain 1.98.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/awesomecuber/dns_learn 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c [INFO] running `Command { std: "docker" "start" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling dns_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/dns_packet/packet_buffer.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(todo!()) [INFO] [stdout] | ^^ ------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/dns_packet/mod.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn from_bytes(bytes: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `packet` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let packet = DnsPacket::from_bytes(&bytes); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header` and `questions` are never read [INFO] [stdout] --> src/dns_packet/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct DnsPacket { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub header: DnsHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | pub questions: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_buffer` is never used [INFO] [stdout] --> src/dns_packet/dns_header.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl DnsHeader { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 26 | pub fn from_buffer(buffer: &mut PacketBuffer) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_bit_set` is never used [INFO] [stdout] --> src/dns_packet/dns_header.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn is_bit_set(byte: u8, nth_bit: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PacketBuffer` is never constructed [INFO] [stdout] --> src/dns_packet/packet_buffer.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct PacketBuffer<'a> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_bytes`, `read_u8`, `read_u16`, `read_u32`, and `read_qname` are never used [INFO] [stdout] --> src/dns_packet/packet_buffer.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> PacketBuffer<'a> { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 7 | pub fn from_bytes(bytes: &'a [u8]) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub fn read_u8(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn read_u16(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn read_u32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn read_qname(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling dns_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable call [INFO] [stdout] --> src/dns_packet/packet_buffer.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(todo!()) [INFO] [stdout] | ^^ ------- any code following this expression is unreachable [INFO] [stdout] | | [INFO] [stdout] | unreachable call [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/dns_packet/mod.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn from_bytes(bytes: &[u8]) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `packet` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let packet = DnsPacket::from_bytes(&bytes); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header` and `questions` are never read [INFO] [stdout] --> src/dns_packet/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct DnsPacket { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub header: DnsHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 11 | pub questions: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_u32` and `read_qname` are never used [INFO] [stdout] --> src/dns_packet/packet_buffer.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> PacketBuffer<'a> { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn read_u32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn read_qname(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: unreachable call [INFO] [stderr] --> src/dns_packet/packet_buffer.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | Ok(todo!()) [INFO] [stderr] | ^^ ------- any code following this expression is unreachable [INFO] [stderr] | | [INFO] [stderr] | unreachable call [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/dns_packet/mod.rs:18:23 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn from_bytes(bytes: &[u8]) -> Result { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `packet` [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let packet = DnsPacket::from_bytes(&bytes); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet` [INFO] [stderr] [INFO] [stderr] warning: fields `header` and `questions` are never read [INFO] [stderr] --> src/dns_packet/mod.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct DnsPacket { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 10 | pub header: DnsHeader, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 11 | pub questions: Vec, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `DnsPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `read_u32` and `read_qname` are never used [INFO] [stderr] --> src/dns_packet/packet_buffer.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 6 | impl<'a> PacketBuffer<'a> { [INFO] [stderr] | ------------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 23 | pub fn read_u32(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | pub fn read_qname(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `dns_learn` (bin "dns_learn" test) generated 5 warnings (run `cargo fix --bin "dns_learn" -p dns_learn --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dns_learn-d9e7e8fc37e9b7b1) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test dns_packet::dns_header::test::chapter_example ... ok [INFO] [stdout] test dns_packet::packet_buffer::test::read_u8 ... ok [INFO] [stdout] test dns_packet::dns_header::test::is_bit_set_test ... ok [INFO] [stdout] test dns_packet::packet_buffer::test::read_u16 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c", kill_on_drop: false }` [INFO] [stdout] b06dff2687e0cd3321e532c0b5363606a31bdff7b360cbc05d194a52888c022c