[INFO] cloning repository https://github.com/LeeSmet/rzdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeeSmet/rzdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Frzdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Frzdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb12aaeb7d23f7cb711806b4f9ad6940f017e022
[INFO] testing LeeSmet/rzdb against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Frzdb" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeeSmet/rzdb on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeeSmet/rzdb
[INFO] finished tweaking git repo https://github.com/LeeSmet/rzdb
[INFO] tweaked toml for git repo https://github.com/LeeSmet/rzdb written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/LeeSmet/rzdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc16 v0.3.4
[INFO] [stderr]   Downloaded futures-core v0.3.3
[INFO] [stderr]   Downloaded futures-task v0.3.3
[INFO] [stderr]   Downloaded futures-io v0.3.3
[INFO] [stderr]   Downloaded futures-util v0.3.3
[INFO] [stderr]   Downloaded futures-executor v0.3.3
[INFO] [stderr]   Downloaded futures-macro v0.3.3
[INFO] [stderr]   Downloaded futures v0.3.3
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]   Downloaded cookie-factory v0.2.4
[INFO] [stderr]   Downloaded redis-protocol v1.0.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded futures-sink v0.3.3
[INFO] [stderr]   Downloaded futures-channel v0.3.3
[INFO] [stderr]   Downloaded zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]   Downloaded rio v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad7368786061a0f57e487e6b1fdca1b9cd519d79fe293975f580cdf0c6678dd
[INFO] running `Command { std: "docker" "start" "-a" "5ad7368786061a0f57e487e6b1fdca1b9cd519d79fe293975f580cdf0c6678dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad7368786061a0f57e487e6b1fdca1b9cd519d79fe293975f580cdf0c6678dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad7368786061a0f57e487e6b1fdca1b9cd519d79fe293975f580cdf0c6678dd", kill_on_drop: false }`
[INFO] [stdout] 5ad7368786061a0f57e487e6b1fdca1b9cd519d79fe293975f580cdf0c6678dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03e5bb35238b84dbfb2597f15d126ecbbd375c5fc5c3b3b6e77732326116836a
[INFO] running `Command { std: "docker" "start" "-a" "03e5bb35238b84dbfb2597f15d126ecbbd375c5fc5c3b3b6e77732326116836a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.3
[INFO] [stderr]    Compiling futures-core v0.3.3
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling futures-task v0.3.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rio v0.9.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling redis-protocol v1.0.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.3
[INFO] [stderr]    Compiling futures v0.3.3
[INFO] [stderr]    Compiling zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]    Compiling zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]    Compiling sled v0.31.0
[INFO] [stderr]    Compiling rzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::{TcpListener, UnixListener};
[INFO] [stdout]   |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flush`
[INFO] [stdout]    --> src/main.rs:378:5
[INFO] [stdout]     |
[INFO] [stdout] 378 |     Flush,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Write`
[INFO] [stdout]    --> src/main.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 |     Write(Vec<u8>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 00s
[INFO] running `Command { std: "docker" "inspect" "03e5bb35238b84dbfb2597f15d126ecbbd375c5fc5c3b3b6e77732326116836a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e5bb35238b84dbfb2597f15d126ecbbd375c5fc5c3b3b6e77732326116836a", kill_on_drop: false }`
[INFO] [stdout] 03e5bb35238b84dbfb2597f15d126ecbbd375c5fc5c3b3b6e77732326116836a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9066dc6ba41821df216479a8a07674d470e44780f4531e7d45bbe3247e1f51d
[INFO] running `Command { std: "docker" "start" "-a" "e9066dc6ba41821df216479a8a07674d470e44780f4531e7d45bbe3247e1f51d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rzdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::select`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::{TcpListener, UnixListener};
[INFO] [stdout]   |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flush`
[INFO] [stdout]    --> src/main.rs:378:5
[INFO] [stdout]     |
[INFO] [stdout] 378 |     Flush,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Write`
[INFO] [stdout]    --> src/main.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 |     Write(Vec<u8>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.30s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e9066dc6ba41821df216479a8a07674d470e44780f4531e7d45bbe3247e1f51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9066dc6ba41821df216479a8a07674d470e44780f4531e7d45bbe3247e1f51d", kill_on_drop: false }`
[INFO] [stdout] e9066dc6ba41821df216479a8a07674d470e44780f4531e7d45bbe3247e1f51d