[INFO] fetching crate db_ip_core 0.3.2...
[INFO] testing db_ip_core-0.3.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate db_ip_core 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate db_ip_core 0.3.2
[INFO] finished tweaking crates.io crate db_ip_core 0.3.2
[INFO] tweaked toml for crates.io crate db_ip_core 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate db_ip_core 0.3.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to highest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb
[INFO] running `Command { std: "docker" "start" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling db_ip_core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DbIpDatabaseInner` is never constructed
[INFO] [stdout]    --> src/lib.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct DbIpDatabaseInner<IP, V> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup` and `len` are never used
[INFO] [stdout]    --> src/lib.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl<IP: Ord + Copy, V: IpData> DbIpDatabaseInner<IP, V> {
[INFO] [stdout]     | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn lookup(&self, ip: &IP) -> Option<V> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `doc-comment`
[INFO] [stderr]   --> Cargo.toml:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | [dependencies.doc-comment]
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `doc-comment`
[INFO] [stderr] warning: `db_ip_core` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling db_ip_core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DbIpDatabaseInner` is never constructed
[INFO] [stdout]    --> src/lib.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 | struct DbIpDatabaseInner<IP, V> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup` and `len` are never used
[INFO] [stdout]    --> src/lib.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | impl<IP: Ord + Copy, V: IpData> DbIpDatabaseInner<IP, V> {
[INFO] [stdout]     | -------------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn lookup(&self, ip: &IP) -> Option<V> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::DbIpDatabase`
[INFO] [stdout]    --> src/lib.rs:479:30
[INFO] [stdout]     |
[INFO] [stdout] 479 |     use crate::{CountryCode, DbIpDatabase};
[INFO] [stdout]     |                              ^^^^^^^^^^^^ no `DbIpDatabase` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | #[cfg(any(feature = "ipv4", feature = "ipv6"))]
[INFO] [stdout]     |          ------------------------------------ the item is gated here
[INFO] [stdout]  16 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]  17 | pub struct DbIpDatabase<V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `db_ip_core` (lib test) due to 1 previous error
[INFO] [stderr] warning: unused dependency `doc-comment`
[INFO] [stderr]   --> Cargo.toml:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | [dependencies.doc-comment]
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `doc-comment`
[INFO] [stderr] warning: `db_ip_core` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb", kill_on_drop: false }`
[INFO] [stdout] 3c6c9d427faab77df727567744b42eee6dc12dad7ad62f3a2532bdf62b2197eb
