[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinitete%2Fudp-server-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinitete/udp-server-rust on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea5af138d492a7f9ce695e1eff76f89fbc0cd0ffdbeeb71e20b3fe209aa67b7c
[INFO] running `Command { std: "docker" "start" "-a" "ea5af138d492a7f9ce695e1eff76f89fbc0cd0ffdbeeb71e20b3fe209aa67b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea5af138d492a7f9ce695e1eff76f89fbc0cd0ffdbeeb71e20b3fe209aa67b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5af138d492a7f9ce695e1eff76f89fbc0cd0ffdbeeb71e20b3fe209aa67b7c", kill_on_drop: false }`
[INFO] [stdout] ea5af138d492a7f9ce695e1eff76f89fbc0cd0ffdbeeb71e20b3fe209aa67b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c55c5f9efcac67487810f0cadc67418bf7d8c2c61499151f1e53b424353901
[INFO] running `Command { std: "docker" "start" "-a" "89c55c5f9efcac67487810f0cadc67418bf7d8c2c61499151f1e53b424353901", kill_on_drop: false }`
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "89c55c5f9efcac67487810f0cadc67418bf7d8c2c61499151f1e53b424353901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c55c5f9efcac67487810f0cadc67418bf7d8c2c61499151f1e53b424353901", kill_on_drop: false }`
[INFO] [stdout] 89c55c5f9efcac67487810f0cadc67418bf7d8c2c61499151f1e53b424353901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a160aaeeee94ab02aafa1c33d881c4a7b94f0ecc92a948c7751f89e043db5ca
[INFO] running `Command { std: "docker" "start" "-a" "2a160aaeeee94ab02aafa1c33d881c4a7b94f0ecc92a948c7751f89e043db5ca", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a160aaeeee94ab02aafa1c33d881c4a7b94f0ecc92a948c7751f89e043db5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a160aaeeee94ab02aafa1c33d881c4a7b94f0ecc92a948c7751f89e043db5ca", kill_on_drop: false }`
[INFO] [stdout] 2a160aaeeee94ab02aafa1c33d881c4a7b94f0ecc92a948c7751f89e043db5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6fed902118d258e2a77e55211ba9523f77ff7d0c49f6a06b06bc2945da8f135
[INFO] running `Command { std: "docker" "start" "-a" "a6fed902118d258e2a77e55211ba9523f77ff7d0c49f6a06b06bc2945da8f135", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `last_buff` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/server/mod.rs:10:13
[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] 10 |     let mut last_buff = [0;32];
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `udp-server` (lib) generated 1 warning
[INFO] [stderr] warning: `udp-server` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_server-e590b3e6640fe01a)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_server-aca69a49835bf928)
[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] [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" "a6fed902118d258e2a77e55211ba9523f77ff7d0c49f6a06b06bc2945da8f135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fed902118d258e2a77e55211ba9523f77ff7d0c49f6a06b06bc2945da8f135", kill_on_drop: false }`
[INFO] [stdout] a6fed902118d258e2a77e55211ba9523f77ff7d0c49f6a06b06bc2945da8f135