[INFO] fetching crate elephantry 4.0.1...
[INFO] checking elephantry-4.0.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate elephantry 4.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate elephantry 4.0.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elephantry 4.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elephantry 4.0.1
[INFO] tweaked toml for crates.io crate elephantry 4.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate elephantry 4.0.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: method `to_multi_range` is never used
[INFO] [stdout]    --> src/pq/type.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub(crate) trait ToArray {
[INFO] [stdout]     |                  ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 243 |     fn to_multi_range(&self) -> Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `derive`
[INFO] [stdout]  --> tests/basic.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(feature = "derive")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `all-types`, `arbitrary`, `bigdecimal`, `bit`, `bit-vec`, `chrono`, `config`, `date`, `default`, `geo`, `geo-types`, `inspect`, `ipnetwork`, `json`, `ltree`, `macaddr`, `money`, `multirange`, `net`, `num`, `numeric`, `pg14`, `postgres_money`, `r2d2`, `rocket`, `rocket_sync_db_pools`, `serde`, `serde_json`, `time`, `uuid`, `xml`, and `xmltree`
[INFO] [stdout]   = help: consider adding `derive` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `derive`
[INFO] [stdout]  --> tests/basic.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(feature = "derive"))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `all-types`, `arbitrary`, `bigdecimal`, `bit`, `bit-vec`, `chrono`, `config`, `date`, `default`, `geo`, `geo-types`, `inspect`, `ipnetwork`, `json`, `ltree`, `macaddr`, `money`, `multirange`, `net`, `num`, `numeric`, `pg14`, `postgres_money`, `r2d2`, `rocket`, `rocket_sync_db_pools`, `serde`, `serde_json`, `time`, `uuid`, `xml`, and `xmltree`
[INFO] [stdout]   = help: consider adding `derive` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_multi_range` is never used
[INFO] [stdout]    --> src/pq/type.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub(crate) trait ToArray {
[INFO] [stdout]     |                  ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 243 |     fn to_multi_range(&self) -> Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "dd6d3a20ef3c6766dd641f2397710d470ed82d95482eae71d110041acd92c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6d3a20ef3c6766dd641f2397710d470ed82d95482eae71d110041acd92c7ff", kill_on_drop: false }`
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