[INFO] cloning repository https://github.com/SharkyRawr/rust-dnstest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SharkyRawr/rust-dnstest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharkyRawr%2Frust-dnstest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharkyRawr%2Frust-dnstest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b54c04ebb7db39d91e52d7b903e3ecf469cafa1
[INFO] testing SharkyRawr/rust-dnstest against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharkyRawr%2Frust-dnstest" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SharkyRawr/rust-dnstest on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SharkyRawr/rust-dnstest
[INFO] finished tweaking git repo https://github.com/SharkyRawr/rust-dnstest
[INFO] tweaked toml for git repo https://github.com/SharkyRawr/rust-dnstest written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SharkyRawr/rust-dnstest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd521eff20e9127e2fe56c920ab3fe662e77201b4ec7e27ca725abb791fd9831
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd521eff20e9127e2fe56c920ab3fe662e77201b4ec7e27ca725abb791fd9831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd521eff20e9127e2fe56c920ab3fe662e77201b4ec7e27ca725abb791fd9831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd521eff20e9127e2fe56c920ab3fe662e77201b4ec7e27ca725abb791fd9831", kill_on_drop: false }`
[INFO] [stdout] cd521eff20e9127e2fe56c920ab3fe662e77201b4ec7e27ca725abb791fd9831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9faf03c9b5ef94d3fb8d0d34ea7e62d530ba4e0c6319c805d0e13f7828d0721
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9faf03c9b5ef94d3fb8d0d34ea7e62d530ba4e0c6319c805d0e13f7828d0721", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rust-dnsbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug`, `warn`
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{error, warn, info, debug};
[INFO] [stdout]   |                  ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/dns.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info, warn};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "e9faf03c9b5ef94d3fb8d0d34ea7e62d530ba4e0c6319c805d0e13f7828d0721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9faf03c9b5ef94d3fb8d0d34ea7e62d530ba4e0c6319c805d0e13f7828d0721", kill_on_drop: false }`
[INFO] [stdout] e9faf03c9b5ef94d3fb8d0d34ea7e62d530ba4e0c6319c805d0e13f7828d0721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0919c9ef3e6bb1ccb6e6bec4cab2288ce898abf9a3d025f443c3bb4fd1604865
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0919c9ef3e6bb1ccb6e6bec4cab2288ce898abf9a3d025f443c3bb4fd1604865", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-dnsbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `debug`, `warn`
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{error, warn, info, debug};
[INFO] [stdout]   |                  ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/dns.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, info, warn};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "0919c9ef3e6bb1ccb6e6bec4cab2288ce898abf9a3d025f443c3bb4fd1604865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0919c9ef3e6bb1ccb6e6bec4cab2288ce898abf9a3d025f443c3bb4fd1604865", kill_on_drop: false }`
[INFO] [stdout] 0919c9ef3e6bb1ccb6e6bec4cab2288ce898abf9a3d025f443c3bb4fd1604865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 511ee1cf6e8912f435d53d936b7957933dc5a8bbdd1843c291042e8351264eb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "511ee1cf6e8912f435d53d936b7957933dc5a8bbdd1843c291042e8351264eb1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `debug`, `warn`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:18
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use log::{error, warn, info, debug};
[INFO] [stdout] 
[INFO] [stderr]   |                  ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `warn`
[INFO] [stderr]  --> src/dns.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use log::{debug, info, warn};
[INFO] [stderr]   |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-dnsbench` (bin "rust-dnsbench" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_dnsbench-0a2e54d93144be24)
[INFO] running `Command { std: "docker" "inspect" "511ee1cf6e8912f435d53d936b7957933dc5a8bbdd1843c291042e8351264eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511ee1cf6e8912f435d53d936b7957933dc5a8bbdd1843c291042e8351264eb1", kill_on_drop: false }`
[INFO] [stdout] 511ee1cf6e8912f435d53d936b7957933dc5a8bbdd1843c291042e8351264eb1