[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] building cjhoward92/rustdb against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjhoward92%2Frustdb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjhoward92/rustdb on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 321350cd8f0b32385eb51648808bc05534d03a4e400e91f9fa5ddaba88c2d391
[INFO] running `Command { std: "docker" "start" "-a" "321350cd8f0b32385eb51648808bc05534d03a4e400e91f9fa5ddaba88c2d391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "321350cd8f0b32385eb51648808bc05534d03a4e400e91f9fa5ddaba88c2d391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321350cd8f0b32385eb51648808bc05534d03a4e400e91f9fa5ddaba88c2d391", kill_on_drop: false }`
[INFO] [stdout] 321350cd8f0b32385eb51648808bc05534d03a4e400e91f9fa5ddaba88c2d391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37b7934de1a7d96db4b69be6f5f27e31e373149da697510a8b28e8438712441d
[INFO] running `Command { std: "docker" "start" "-a" "37b7934de1a7d96db4b69be6f5f27e31e373149da697510a8b28e8438712441d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant `MAX_KEY_LENGTH` is never used
[INFO] [stdout]  --> rustdblib/src/key.rs:5:7
[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: variants `NullKey`, `BlankKey`, and `ExceedsMaxLength` are never constructed
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum KeyError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KeyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_key` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "37b7934de1a7d96db4b69be6f5f27e31e373149da697510a8b28e8438712441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b7934de1a7d96db4b69be6f5f27e31e373149da697510a8b28e8438712441d", kill_on_drop: false }`
[INFO] [stdout] 37b7934de1a7d96db4b69be6f5f27e31e373149da697510a8b28e8438712441d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4d7b4b27bc5fbfa7c0c28edf83cc051005ec783d25aa146eaed896944ff9b1
[INFO] running `Command { std: "docker" "start" "-a" "ac4d7b4b27bc5fbfa7c0c28edf83cc051005ec783d25aa146eaed896944ff9b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdblib v0.1.0 (/opt/rustwide/workdir/rustdblib)
[INFO] [stdout] warning: constant `MAX_KEY_LENGTH` is never used
[INFO] [stdout]  --> rustdblib/src/key.rs:5:7
[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: variants `NullKey`, `BlankKey`, and `ExceedsMaxLength` are never constructed
[INFO] [stdout]   --> rustdblib/src/key.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum KeyError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 22 |   NullKey,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 23 |   BlankKey,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 24 |   ExceedsMaxLength(usize),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KeyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_key` is never used
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ac4d7b4b27bc5fbfa7c0c28edf83cc051005ec783d25aa146eaed896944ff9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4d7b4b27bc5fbfa7c0c28edf83cc051005ec783d25aa146eaed896944ff9b1", kill_on_drop: false }`
[INFO] [stdout] ac4d7b4b27bc5fbfa7c0c28edf83cc051005ec783d25aa146eaed896944ff9b1