[INFO] fetching crate optempty 0.1.13...
[INFO] checking optempty-0.1.13 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate optempty 0.1.13 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optempty 0.1.13
[INFO] finished tweaking crates.io crate optempty 0.1.13
[INFO] tweaked toml for crates.io crate optempty 0.1.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fcf7b5be1c0edcfdb0a1fc43453dfca3bdb886d3dc63f1e6d71cae15f16d23d
[INFO] running `Command { std: "docker" "start" "-a" "3fcf7b5be1c0edcfdb0a1fc43453dfca3bdb886d3dc63f1e6d71cae15f16d23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fcf7b5be1c0edcfdb0a1fc43453dfca3bdb886d3dc63f1e6d71cae15f16d23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcf7b5be1c0edcfdb0a1fc43453dfca3bdb886d3dc63f1e6d71cae15f16d23d", kill_on_drop: false }`
[INFO] [stdout] 3fcf7b5be1c0edcfdb0a1fc43453dfca3bdb886d3dc63f1e6d71cae15f16d23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3f27b30cc8027b3dff6b5942026d841946202027135704457ccb684b349042
[INFO] running `Command { std: "docker" "start" "-a" "bc3f27b30cc8027b3dff6b5942026d841946202027135704457ccb684b349042", kill_on_drop: false }`
[INFO] [stderr]     Checking optempty v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optempty` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optempty` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "bc3f27b30cc8027b3dff6b5942026d841946202027135704457ccb684b349042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3f27b30cc8027b3dff6b5942026d841946202027135704457ccb684b349042", kill_on_drop: false }`
[INFO] [stdout] bc3f27b30cc8027b3dff6b5942026d841946202027135704457ccb684b349042
[INFO] checking optempty-0.1.13 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate optempty 0.1.13 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optempty 0.1.13
[INFO] finished tweaking crates.io crate optempty 0.1.13
[INFO] tweaked toml for crates.io crate optempty 0.1.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8482fbe7612de971d5acf2bc3ae6f7dc0a6b64c035582ebf3e768e7964c4bdc4
[INFO] running `Command { std: "docker" "start" "-a" "8482fbe7612de971d5acf2bc3ae6f7dc0a6b64c035582ebf3e768e7964c4bdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8482fbe7612de971d5acf2bc3ae6f7dc0a6b64c035582ebf3e768e7964c4bdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8482fbe7612de971d5acf2bc3ae6f7dc0a6b64c035582ebf3e768e7964c4bdc4", kill_on_drop: false }`
[INFO] [stdout] 8482fbe7612de971d5acf2bc3ae6f7dc0a6b64c035582ebf3e768e7964c4bdc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] c20e6f5adb14ae4ded1529ca911592e75db5860ffb6057083a9121f887d4ddf5
[INFO] running `Command { std: "docker" "start" "-a" "c20e6f5adb14ae4ded1529ca911592e75db5860ffb6057083a9121f887d4ddf5", kill_on_drop: false }`
[INFO] [stderr]     Checking optempty v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `use_std`
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 | #![cfg_attr(not(feature = "use_std"), no_std)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `query_map`, `querymap`, `serde_json`, `serdejson`, `std`
[INFO] [stdout]    = help: consider adding `use_std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `use_std`
[INFO] [stdout]   --> src/lib.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 | #![cfg_attr(not(feature = "use_std"), no_std)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `query_map`, `querymap`, `serde_json`, `serdejson`, `std`
[INFO] [stdout]    = help: consider adding `use_std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::no_std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub use self::no_std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `self::std::*`
[INFO] [stdout]   --> src/is_empty/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::std::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optempty` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optempty` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c20e6f5adb14ae4ded1529ca911592e75db5860ffb6057083a9121f887d4ddf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20e6f5adb14ae4ded1529ca911592e75db5860ffb6057083a9121f887d4ddf5", kill_on_drop: false }`
[INFO] [stdout] c20e6f5adb14ae4ded1529ca911592e75db5860ffb6057083a9121f887d4ddf5
