[INFO] cloning repository https://github.com/infinitete/udp-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/infinitete/udp-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Fudp-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Fudp-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97002fabb06755a967c3a15359e7c6d0b01f22c5
[INFO] testing infinitete/udp-server-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Fudp-server-rust" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinitete/udp-server-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/infinitete/udp-server-rust
[INFO] finished tweaking git repo https://github.com/infinitete/udp-server-rust
[INFO] tweaked toml for git repo https://github.com/infinitete/udp-server-rust written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate git repo https://github.com/infinitete/udp-server-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 639dd49873bd5c290c8c44cac3da99b8bc09947db37ea5a66d53da9a1bd567ee
[INFO] running `Command { std: "docker" "start" "-a" "639dd49873bd5c290c8c44cac3da99b8bc09947db37ea5a66d53da9a1bd567ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639dd49873bd5c290c8c44cac3da99b8bc09947db37ea5a66d53da9a1bd567ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639dd49873bd5c290c8c44cac3da99b8bc09947db37ea5a66d53da9a1bd567ee", kill_on_drop: false }`
[INFO] [stdout] 639dd49873bd5c290c8c44cac3da99b8bc09947db37ea5a66d53da9a1bd567ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3c415973c65fef2da02594006d96beb03c5e9d4a44b47bed3060600523591d5
[INFO] running `Command { std: "docker" "start" "-a" "d3c415973c65fef2da02594006d96beb03c5e9d4a44b47bed3060600523591d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling udp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_buff` is never read
[INFO] [stdout]   --> src/server/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut last_buff = [0;32];
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "d3c415973c65fef2da02594006d96beb03c5e9d4a44b47bed3060600523591d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c415973c65fef2da02594006d96beb03c5e9d4a44b47bed3060600523591d5", kill_on_drop: false }`
[INFO] [stdout] d3c415973c65fef2da02594006d96beb03c5e9d4a44b47bed3060600523591d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b2b9d7cd6ff31bc84227244ad11e5a6585726363c90ef1fe5d141bc96bea7cc
[INFO] running `Command { std: "docker" "start" "-a" "1b2b9d7cd6ff31bc84227244ad11e5a6585726363c90ef1fe5d141bc96bea7cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: value assigned to `last_buff` is never read
[INFO] [stdout]   --> src/server/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut last_buff = [0;32];
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling udp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_buff` is never read
[INFO] [stdout]   --> src/server/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut last_buff = [0;32];
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "1b2b9d7cd6ff31bc84227244ad11e5a6585726363c90ef1fe5d141bc96bea7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2b9d7cd6ff31bc84227244ad11e5a6585726363c90ef1fe5d141bc96bea7cc", kill_on_drop: false }`
[INFO] [stdout] 1b2b9d7cd6ff31bc84227244ad11e5a6585726363c90ef1fe5d141bc96bea7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb2e5e99d75a514e91967a85ca116eb811c9f29a14ec0b70b11d8337dd33d65f
[INFO] running `Command { std: "docker" "start" "-a" "eb2e5e99d75a514e91967a85ca116eb811c9f29a14ec0b70b11d8337dd33d65f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `last_buff` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/server/mod.rs:10:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 10 |     let mut last_buff = [0;32];
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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] warning: `udp-server` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `udp-server` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_server-e44510f4b07c6731)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_server-11dadd78098f3f9d)
[INFO] [stderr]    Doc-tests udp-server
[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" "eb2e5e99d75a514e91967a85ca116eb811c9f29a14ec0b70b11d8337dd33d65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2e5e99d75a514e91967a85ca116eb811c9f29a14ec0b70b11d8337dd33d65f", kill_on_drop: false }`
[INFO] [stdout] eb2e5e99d75a514e91967a85ca116eb811c9f29a14ec0b70b11d8337dd33d65f