[INFO] fetching crate optempty 0.1.13... [INFO] checking optempty-0.1.13 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-3-tc1/source [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] validating manifest of crates.io crate optempty 0.1.13 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79337e7cb08a6766e909339b9373b1508897902fed3045f5696eaeca612cc549 [INFO] running `Command { std: "docker" "start" "-a" "79337e7cb08a6766e909339b9373b1508897902fed3045f5696eaeca612cc549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79337e7cb08a6766e909339b9373b1508897902fed3045f5696eaeca612cc549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79337e7cb08a6766e909339b9373b1508897902fed3045f5696eaeca612cc549", kill_on_drop: false }` [INFO] [stdout] 79337e7cb08a6766e909339b9373b1508897902fed3045f5696eaeca612cc549 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1f0e8f37966dc8380d15af8fd5462525682eed9dbad5afa3c8cce15fef11fe7 [INFO] running `Command { std: "docker" "start" "-a" "b1f0e8f37966dc8380d15af8fd5462525682eed9dbad5afa3c8cce15fef11fe7", 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`, and `std` [INFO] [stdout] = help: consider adding `use_std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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(unexpected_cfgs)]` implied by `#[deny(warnings)]` [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: `#[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: 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`, and `std` [INFO] [stdout] = help: consider adding `use_std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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(unexpected_cfgs)]` implied by `#[deny(warnings)]` [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: `#[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] [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" "b1f0e8f37966dc8380d15af8fd5462525682eed9dbad5afa3c8cce15fef11fe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1f0e8f37966dc8380d15af8fd5462525682eed9dbad5afa3c8cce15fef11fe7", kill_on_drop: false }` [INFO] [stdout] b1f0e8f37966dc8380d15af8fd5462525682eed9dbad5afa3c8cce15fef11fe7