[INFO] cloning repository https://github.com/cat916/dnsweekend [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cat916/dnsweekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcat916%2Fdnsweekend", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcat916%2Fdnsweekend'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 070f05e76726e83e4445d659c6e9a85133f66996 [INFO] testing cat916/dnsweekend against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcat916%2Fdnsweekend" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cat916/dnsweekend [INFO] finished tweaking git repo https://github.com/cat916/dnsweekend [INFO] tweaked toml for git repo https://github.com/cat916/dnsweekend written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cat916/dnsweekend on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cat916/dnsweekend 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac31574819c430e77199a47b63b69aed707e8828574509446df55d9fc1be5808 [INFO] running `Command { std: "docker" "start" "-a" "ac31574819c430e77199a47b63b69aed707e8828574509446df55d9fc1be5808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac31574819c430e77199a47b63b69aed707e8828574509446df55d9fc1be5808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac31574819c430e77199a47b63b69aed707e8828574509446df55d9fc1be5808", kill_on_drop: false }` [INFO] [stdout] ac31574819c430e77199a47b63b69aed707e8828574509446df55d9fc1be5808 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b3da7366d93291f0d6d2e61a8e84f3716c3963cdcc7cbf70e58a6c228522958 [INFO] running `Command { std: "docker" "start" "-a" "8b3da7366d93291f0d6d2e61a8e84f3716c3963cdcc7cbf70e58a6c228522958", kill_on_drop: false }` [INFO] [stderr] Compiling dns v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `TYPE_TXT` is never used [INFO] [stdout] --> src/main.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const TYPE_TXT: u16 = 16; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RECURSION_DESIRED` is never used [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const RECURSION_DESIRED: u16 = 1 << 8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | Data(Vec), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 86 - Data(Vec), [INFO] [stdout] 86 + Data(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TXT` is never constructed [INFO] [stdout] --> src/main.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 82 | enum DNSRecordData { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 85 | TXT(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `rclass`, `ttl`, and `rdlength` are never read [INFO] [stdout] --> src/main.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 90 | struct DNSRecord { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 91 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 92 | rtype: u16, [INFO] [stdout] 93 | rclass: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 94 | ttl: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 95 | rdlength: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header` and `questions` are never read [INFO] [stdout] --> src/main.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 164 | struct DNSPacket { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 165 | header: DNSHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 166 | 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] [INFO] [stdout] [INFO] [stdout] warning: function `ipv4_to_string` is never used [INFO] [stdout] --> src/main.rs:341:4 [INFO] [stdout] | [INFO] [stdout] 341 | fn ipv4_to_string(data: &[u8]) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "8b3da7366d93291f0d6d2e61a8e84f3716c3963cdcc7cbf70e58a6c228522958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3da7366d93291f0d6d2e61a8e84f3716c3963cdcc7cbf70e58a6c228522958", kill_on_drop: false }` [INFO] [stdout] 8b3da7366d93291f0d6d2e61a8e84f3716c3963cdcc7cbf70e58a6c228522958 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e136d45a514bfa0419dadaf9df863f6d4db4a651eba85252aff92d7b67be09b5 [INFO] running `Command { std: "docker" "start" "-a" "e136d45a514bfa0419dadaf9df863f6d4db4a651eba85252aff92d7b67be09b5", kill_on_drop: false }` [INFO] [stderr] Compiling dns v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant `TYPE_TXT` is never used [INFO] [stdout] --> src/main.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const TYPE_TXT: u16 = 16; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | Data(Vec), [INFO] [stdout] | ---- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 86 - Data(Vec), [INFO] [stdout] 86 + Data(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TXT` is never constructed [INFO] [stdout] --> src/main.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 82 | enum DNSRecordData { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 85 | TXT(String), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `rclass`, `ttl`, and `rdlength` are never read [INFO] [stdout] --> src/main.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 90 | struct DNSRecord { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 91 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 92 | rtype: u16, [INFO] [stdout] 93 | rclass: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 94 | ttl: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 95 | rdlength: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DNSRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `header` and `questions` are never read [INFO] [stdout] --> src/main.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 164 | struct DNSPacket { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 165 | header: DNSHeader, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 166 | 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] [INFO] [stdout] [INFO] [stdout] warning: function `ipv4_to_string` is never used [INFO] [stdout] --> src/main.rs:341:4 [INFO] [stdout] | [INFO] [stdout] 341 | fn ipv4_to_string(data: &[u8]) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "e136d45a514bfa0419dadaf9df863f6d4db4a651eba85252aff92d7b67be09b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e136d45a514bfa0419dadaf9df863f6d4db4a651eba85252aff92d7b67be09b5", kill_on_drop: false }` [INFO] [stdout] e136d45a514bfa0419dadaf9df863f6d4db4a651eba85252aff92d7b67be09b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c6f74ba53d945d03c2426530b0c3f756dc6b87ae39f3e3dcdc90cb76c12ddb0c [INFO] running `Command { std: "docker" "start" "-a" "c6f74ba53d945d03c2426530b0c3f756dc6b87ae39f3e3dcdc90cb76c12ddb0c", kill_on_drop: false }` [INFO] [stderr] warning: constant `TYPE_TXT` is never used [INFO] [stderr] --> src/main.rs:9:7 [INFO] [stderr] | [INFO] [stderr] 9 | const TYPE_TXT: u16 = 16; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | Data(Vec), [INFO] [stderr] | ---- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 86 - Data(Vec), [INFO] [stderr] 86 + Data(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variant `TXT` is never constructed [INFO] [stderr] --> src/main.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 82 | enum DNSRecordData { [INFO] [stderr] | ------------- variant in this enum [INFO] [stderr] ... [INFO] [stderr] 85 | TXT(String), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `DNSRecordData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `name`, `rclass`, `ttl`, and `rdlength` are never read [INFO] [stderr] --> src/main.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 90 | struct DNSRecord { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 91 | name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] 92 | rtype: u16, [INFO] [stderr] 93 | rclass: u16, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 94 | ttl: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] 95 | rdlength: u16, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `DNSRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `header` and `questions` are never read [INFO] [stderr] --> src/main.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 164 | struct DNSPacket { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 165 | header: DNSHeader, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 166 | 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] [INFO] [stderr] warning: function `ipv4_to_string` is never used [INFO] [stderr] --> src/main.rs:341:4 [INFO] [stderr] | [INFO] [stderr] 341 | fn ipv4_to_string(data: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `dns` (bin "dns" test) generated 6 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dns-9003790e721e222b) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_decode_dns_name ... ok [INFO] [stdout] test tests::test_dns_header_to_bytes ... ok [INFO] [stdout] test tests::test_dns_query ... ok [INFO] [stdout] test tests::test_dns_question_to_bytes ... ok [INFO] [stdout] test tests::test_encode_dns_name ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c6f74ba53d945d03c2426530b0c3f756dc6b87ae39f3e3dcdc90cb76c12ddb0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6f74ba53d945d03c2426530b0c3f756dc6b87ae39f3e3dcdc90cb76c12ddb0c", kill_on_drop: false }` [INFO] [stdout] c6f74ba53d945d03c2426530b0c3f756dc6b87ae39f3e3dcdc90cb76c12ddb0c