[INFO] fetching crate optempty 0.1.13...
[INFO] checking optempty-0.1.13 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate optempty 0.1.13 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate optempty 0.1.13 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6acaa8967726de5a7d9cb519f6fd83a690c4a7a9f2cd28fc3be785775f5df6
[INFO] running `Command { std: "docker" "start" "-a" "1a6acaa8967726de5a7d9cb519f6fd83a690c4a7a9f2cd28fc3be785775f5df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6acaa8967726de5a7d9cb519f6fd83a690c4a7a9f2cd28fc3be785775f5df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6acaa8967726de5a7d9cb519f6fd83a690c4a7a9f2cd28fc3be785775f5df6", kill_on_drop: false }`
[INFO] [stdout] 1a6acaa8967726de5a7d9cb519f6fd83a690c4a7a9f2cd28fc3be785775f5df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a64ea78fa6b2876f439c9404a1a1be903da0c68568b8566f84ad966e85c7133
[INFO] running `Command { std: "docker" "start" "-a" "7a64ea78fa6b2876f439c9404a1a1be903da0c68568b8566f84ad966e85c7133", 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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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 test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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] running `Command { std: "docker" "inspect" "7a64ea78fa6b2876f439c9404a1a1be903da0c68568b8566f84ad966e85c7133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a64ea78fa6b2876f439c9404a1a1be903da0c68568b8566f84ad966e85c7133", kill_on_drop: false }`
[INFO] [stdout] 7a64ea78fa6b2876f439c9404a1a1be903da0c68568b8566f84ad966e85c7133
