[INFO] cloning repository https://github.com/cjhoward92/rustdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjhoward92/rustdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5494ccb643b234c8065ad71a4baf8f0321bd5a04
[INFO] testing cjhoward92/rustdb against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjhoward92/rustdb 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/cjhoward92/rustdb
[INFO] finished tweaking git repo https://github.com/cjhoward92/rustdb
[INFO] tweaked toml for git repo https://github.com/cjhoward92/rustdb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cjhoward92/rustdb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbbe4c586e48e301b6559a97cb370186de1601f2f6d7b1f2d1e5f303868f185f
[INFO] running `Command { std: "docker" "start" "-a" "fbbe4c586e48e301b6559a97cb370186de1601f2f6d7b1f2d1e5f303868f185f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbe4c586e48e301b6559a97cb370186de1601f2f6d7b1f2d1e5f303868f185f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbe4c586e48e301b6559a97cb370186de1601f2f6d7b1f2d1e5f303868f185f", kill_on_drop: false }`
[INFO] [stdout] fbbe4c586e48e301b6559a97cb370186de1601f2f6d7b1f2d1e5f303868f185f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3684e0b77592cbeedb88e4450360c2260dede449d9a20a12cd6b6483014187a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3684e0b77592cbeedb88e4450360c2260dede449d9a20a12cd6b6483014187a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stdout]  --> rustdblib/src/key.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlankKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stdout]   --> rustdblib/src/key.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_key`
[INFO] [stdout]   --> rustdblib/src/key.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "3684e0b77592cbeedb88e4450360c2260dede449d9a20a12cd6b6483014187a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3684e0b77592cbeedb88e4450360c2260dede449d9a20a12cd6b6483014187a1", kill_on_drop: false }`
[INFO] [stdout] 3684e0b77592cbeedb88e4450360c2260dede449d9a20a12cd6b6483014187a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e175f18dd1eae75d1623c8562f59c9698693fb3575db0334a2b34f0fc90e266
[INFO] running `Command { std: "docker" "start" "-a" "5e175f18dd1eae75d1623c8562f59c9698693fb3575db0334a2b34f0fc90e266", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stdout]  --> rustdblib/src/key.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlankKey`
[INFO] [stdout]   --> rustdblib/src/key.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stdout]   --> rustdblib/src/key.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_key`
[INFO] [stdout]   --> rustdblib/src/key.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "5e175f18dd1eae75d1623c8562f59c9698693fb3575db0334a2b34f0fc90e266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e175f18dd1eae75d1623c8562f59c9698693fb3575db0334a2b34f0fc90e266", kill_on_drop: false }`
[INFO] [stdout] 5e175f18dd1eae75d1623c8562f59c9698693fb3575db0334a2b34f0fc90e266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e80a23b1f4ab3549b098a644b77fb5e9fd04cbce68fc72da31b6b90a29219153
[INFO] running `Command { std: "docker" "start" "-a" "e80a23b1f4ab3549b098a644b77fb5e9fd04cbce68fc72da31b6b90a29219153", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `MAX_KEY_LENGTH`
[INFO] [stderr]  --> rustdblib/src/key.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const MAX_KEY_LENGTH: usize = 255;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NullKey`
[INFO] [stderr]   --> rustdblib/src/key.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   NullKey,
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlankKey`
[INFO] [stderr]   --> rustdblib/src/key.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |   BlankKey,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExceedsMaxLength`
[INFO] [stderr]   --> rustdblib/src/key.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   ExceedsMaxLength(usize),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_key`
[INFO] [stderr]   --> rustdblib/src/key.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn validate_key(key: &Key) -> Result<bool, KeyError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustdblib` (lib) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustdb-0de87a5236e9bcac)
[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" "e80a23b1f4ab3549b098a644b77fb5e9fd04cbce68fc72da31b6b90a29219153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80a23b1f4ab3549b098a644b77fb5e9fd04cbce68fc72da31b6b90a29219153", kill_on_drop: false }`
[INFO] [stdout] e80a23b1f4ab3549b098a644b77fb5e9fd04cbce68fc72da31b6b90a29219153