[INFO] cloning repository https://github.com/ZofiaZementa/rsdns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZofiaZementa/rsdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZofiaZementa%2Frsdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZofiaZementa%2Frsdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b84d75aa182aed841e8c7a5a6b7188c7deff2ce
[INFO] testing ZofiaZementa/rsdns against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZofiaZementa%2Frsdns" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZofiaZementa/rsdns on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZofiaZementa/rsdns
[INFO] finished tweaking git repo https://github.com/ZofiaZementa/rsdns
[INFO] tweaked toml for git repo https://github.com/ZofiaZementa/rsdns written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/ZofiaZementa/rsdns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a9eec61aca1a059389aca64868f0ec48c05e9b1e6a915e6e57f853c9eb178a
[INFO] running `Command { std: "docker" "start" "-a" "23a9eec61aca1a059389aca64868f0ec48c05e9b1e6a915e6e57f853c9eb178a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a9eec61aca1a059389aca64868f0ec48c05e9b1e6a915e6e57f853c9eb178a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a9eec61aca1a059389aca64868f0ec48c05e9b1e6a915e6e57f853c9eb178a", kill_on_drop: false }`
[INFO] [stdout] 23a9eec61aca1a059389aca64868f0ec48c05e9b1e6a915e6e57f853c9eb178a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7a51bead63b57f4de28977ea8ef8c14944766de06d0cd7b03234c216fa93bf
[INFO] running `Command { std: "docker" "start" "-a" "3c7a51bead63b57f4de28977ea8ef8c14944766de06d0cd7b03234c216fa93bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling config v0.11.0
[INFO] [stderr]    Compiling rsdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/types/domain.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/types/domain.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Message`
[INFO] [stdout]    --> src/types/message.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Message {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.28s
[INFO] running `Command { std: "docker" "inspect" "3c7a51bead63b57f4de28977ea8ef8c14944766de06d0cd7b03234c216fa93bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7a51bead63b57f4de28977ea8ef8c14944766de06d0cd7b03234c216fa93bf", kill_on_drop: false }`
[INFO] [stdout] 3c7a51bead63b57f4de28977ea8ef8c14944766de06d0cd7b03234c216fa93bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f054d92c941037d67668bf77355f2b42118891ab990a0d585168e4442e441987
[INFO] running `Command { std: "docker" "start" "-a" "f054d92c941037d67668bf77355f2b42118891ab990a0d585168e4442e441987", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rsdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/types/domain.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/types/domain.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Message`
[INFO] [stdout]    --> src/types/message.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Message {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "f054d92c941037d67668bf77355f2b42118891ab990a0d585168e4442e441987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f054d92c941037d67668bf77355f2b42118891ab990a0d585168e4442e441987", kill_on_drop: false }`
[INFO] [stdout] f054d92c941037d67668bf77355f2b42118891ab990a0d585168e4442e441987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 475e210d4c785f2a272a9d2392ccc4eb82e5cfb038668da096559258cf7e7d64
[INFO] running `Command { std: "docker" "start" "-a" "475e210d4c785f2a272a9d2392ccc4eb82e5cfb038668da096559258cf7e7d64", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]   --> src/types/domain.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/types/domain.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Message`
[INFO] [stderr]    --> src/types/message.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 | pub struct Message {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rsdns` (bin "rsdns" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsdns-985e2d06f9c9f4b3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "475e210d4c785f2a272a9d2392ccc4eb82e5cfb038668da096559258cf7e7d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475e210d4c785f2a272a9d2392ccc4eb82e5cfb038668da096559258cf7e7d64", kill_on_drop: false }`
[INFO] [stdout] 475e210d4c785f2a272a9d2392ccc4eb82e5cfb038668da096559258cf7e7d64