[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Frzdb" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeeSmet/rzdb on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-40/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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 env_logger v0.5.13
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded futures-task v0.3.3
[INFO] [stderr]   Downloaded futures-io v0.3.3
[INFO] [stderr]   Downloaded futures-sink v0.3.3
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded crc16 v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded futures-executor v0.3.3
[INFO] [stderr]   Downloaded futures-channel v0.3.3
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded sled v0.31.0
[INFO] [stderr]   Downloaded redis-protocol v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded rio v0.9.2
[INFO] [stderr]   Downloaded futures v0.3.3
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded futures-macro v0.3.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded futures-util v0.3.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded cookie-factory v0.2.4
[INFO] [stderr]   Downloaded futures-core 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 zstd-sys v1.4.15+zstd.1.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8da50e94e9c1f546d8e950179d8034422cec07d8003ca2f199b37e1b25417ecc
[INFO] running `Command { std: "docker" "start" "-a" "8da50e94e9c1f546d8e950179d8034422cec07d8003ca2f199b37e1b25417ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8da50e94e9c1f546d8e950179d8034422cec07d8003ca2f199b37e1b25417ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da50e94e9c1f546d8e950179d8034422cec07d8003ca2f199b37e1b25417ecc", kill_on_drop: false }`
[INFO] [stdout] 8da50e94e9c1f546d8e950179d8034422cec07d8003ca2f199b37e1b25417ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64caaf913e3b282a6e349e89aa9a3abe01a07d7b4880c2e25bf436cf6488f3d4
[INFO] running `Command { std: "docker" "start" "-a" "64caaf913e3b282a6e349e89aa9a3abe01a07d7b4880c2e25bf436cf6488f3d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling futures-core v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling futures-task v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.6
[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 jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rio v0.9.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling thread_local v1.0.1
[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 cc v1.0.50
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio v0.2.11
[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 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 futures-util v0.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.3
[INFO] [stderr]    Compiling futures v0.3.3
[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 09s
[INFO] running `Command { std: "docker" "inspect" "64caaf913e3b282a6e349e89aa9a3abe01a07d7b4880c2e25bf436cf6488f3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64caaf913e3b282a6e349e89aa9a3abe01a07d7b4880c2e25bf436cf6488f3d4", kill_on_drop: false }`
[INFO] [stdout] 64caaf913e3b282a6e349e89aa9a3abe01a07d7b4880c2e25bf436cf6488f3d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0b241c1e1eb39af7d6c2bb19fd3e8abf6ac122ebc8bbf9738ebe86f100c6a2
[INFO] running `Command { std: "docker" "start" "-a" "bc0b241c1e1eb39af7d6c2bb19fd3e8abf6ac122ebc8bbf9738ebe86f100c6a2", kill_on_drop: false }`
[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 0.73s
[INFO] running `Command { std: "docker" "inspect" "bc0b241c1e1eb39af7d6c2bb19fd3e8abf6ac122ebc8bbf9738ebe86f100c6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0b241c1e1eb39af7d6c2bb19fd3e8abf6ac122ebc8bbf9738ebe86f100c6a2", kill_on_drop: false }`
[INFO] [stdout] bc0b241c1e1eb39af7d6c2bb19fd3e8abf6ac122ebc8bbf9738ebe86f100c6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74491b5442b94aa290b5668be15b1e44b6cf752c14712018de555307e68b0b0c
[INFO] running `Command { std: "docker" "start" "-a" "74491b5442b94aa290b5668be15b1e44b6cf752c14712018de555307e68b0b0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `futures::select`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::select;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::net::{TcpListener, UnixListener};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Flush`
[INFO] [stderr]    --> src/main.rs:378:5
[INFO] [stderr]     |
[INFO] [stderr] 378 |     Flush,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Write`
[INFO] [stderr]    --> src/main.rs:386:5
[INFO] [stderr]     |
[INFO] [stderr] 386 |     Write(Vec<u8>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rzdb` (bin "rzdb" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rzdb-b43b177fa109729c)
[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" "74491b5442b94aa290b5668be15b1e44b6cf752c14712018de555307e68b0b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74491b5442b94aa290b5668be15b1e44b6cf752c14712018de555307e68b0b0c", kill_on_drop: false }`
[INFO] [stdout] 74491b5442b94aa290b5668be15b1e44b6cf752c14712018de555307e68b0b0c