[INFO] cloning repository https://github.com/jcswart/rp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcswart/rp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcswart%2Frp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcswart%2Frp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4c7505b5f7aee738d1f82aea5eb6ba7882e884b
[INFO] testing jcswart/rp against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcswart%2Frp" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcswart/rp 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/jcswart/rp
[INFO] finished tweaking git repo https://github.com/jcswart/rp
[INFO] tweaked toml for git repo https://github.com/jcswart/rp written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/jcswart/rp 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 8e991983822234b49967a543a8af5e6b79bf496e8877dac290aa17400046822e
[INFO] running `Command { std: "docker" "start" "-a" "8e991983822234b49967a543a8af5e6b79bf496e8877dac290aa17400046822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e991983822234b49967a543a8af5e6b79bf496e8877dac290aa17400046822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e991983822234b49967a543a8af5e6b79bf496e8877dac290aa17400046822e", kill_on_drop: false }`
[INFO] [stdout] 8e991983822234b49967a543a8af5e6b79bf496e8877dac290aa17400046822e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 043f6e66d3d4ab1c60f143867ca9a1061876d7531531cd9c33d7f861843b499d
[INFO] running `Command { std: "docker" "start" "-a" "043f6e66d3d4ab1c60f143867ca9a1061876d7531531cd9c33d7f861843b499d", kill_on_drop: false }`
[INFO] [stderr]    Compiling redis-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | ...                   stream2.write(&buf);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "043f6e66d3d4ab1c60f143867ca9a1061876d7531531cd9c33d7f861843b499d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043f6e66d3d4ab1c60f143867ca9a1061876d7531531cd9c33d7f861843b499d", kill_on_drop: false }`
[INFO] [stdout] 043f6e66d3d4ab1c60f143867ca9a1061876d7531531cd9c33d7f861843b499d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] be762d55b138ff3b4899cb6345a375ca4a225010ae5d4d171991160a3d562ae1
[INFO] running `Command { std: "docker" "start" "-a" "be762d55b138ff3b4899cb6345a375ca4a225010ae5d4d171991160a3d562ae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling redis-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | ...                   stream2.write(&buf);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "be762d55b138ff3b4899cb6345a375ca4a225010ae5d4d171991160a3d562ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be762d55b138ff3b4899cb6345a375ca4a225010ae5d4d171991160a3d562ae1", kill_on_drop: false }`
[INFO] [stdout] be762d55b138ff3b4899cb6345a375ca4a225010ae5d4d171991160a3d562ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 2a3b89856e07c0956621bcb00dbd9f0d68e472a84bcb0395537801b1109904ad
[INFO] running `Command { std: "docker" "start" "-a" "2a3b89856e07c0956621bcb00dbd9f0d68e472a84bcb0395537801b1109904ad", 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] [stdout] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:29
[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] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout] 
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 | ...                   stream2.write(&buf);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `redis-proxy` (bin "redis-proxy" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/redis_proxy-6c1968625f5fc817)
[INFO] running `Command { std: "docker" "inspect" "2a3b89856e07c0956621bcb00dbd9f0d68e472a84bcb0395537801b1109904ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3b89856e07c0956621bcb00dbd9f0d68e472a84bcb0395537801b1109904ad", kill_on_drop: false }`
[INFO] [stdout] 2a3b89856e07c0956621bcb00dbd9f0d68e472a84bcb0395537801b1109904ad