[INFO] fetching crate ergo-lib-c-core 0.28.0...
[INFO] checking ergo-lib-c-core-0.28.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate ergo-lib-c-core 0.28.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ergo-lib-c-core 0.28.0
[INFO] finished tweaking crates.io crate ergo-lib-c-core 0.28.0
[INFO] tweaked toml for crates.io crate ergo-lib-c-core 0.28.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ergo-lib-c-core 0.28.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 263 packages to highest compatible versions
[INFO] [stderr]       Adding bounded-integer v0.5.8 (available: v0.6.2)
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[INFO] [stderr]       Adding url v2.2.2 (available: v2.5.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2
[INFO] running `Command { std: "docker" "start" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2", 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" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking ergo-lib-c-core v0.28.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(feature = "json", serde(rename = "id"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: `json`
[INFO] [stdout]   --> src/json.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[cfg_attr(feature = "json", serde(rename = "inputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[cfg_attr(feature = "json", serde(rename = "dataInputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[cfg_attr(feature = "json", serde(rename = "outputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[cfg_attr(feature = "json", serde(rename = "inputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     #[cfg_attr(feature = "json", serde(rename = "dataInputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[cfg_attr(feature = "json", serde(rename = "outputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(feature = "json", serde(rename = "id"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: `json`
[INFO] [stdout]   --> src/json.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[cfg_attr(feature = "json", serde(rename = "inputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     #[cfg_attr(feature = "json", serde(rename = "dataInputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[cfg_attr(feature = "json", serde(rename = "outputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[cfg_attr(feature = "json", serde(rename = "inputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     #[cfg_attr(feature = "json", serde(rename = "dataInputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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: unexpected `cfg` condition value: `json`
[INFO] [stdout]   --> src/json.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[cfg_attr(feature = "json", serde(rename = "outputs"))]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `mnemonic_gen`, `rest`, and `tokio`
[INFO] [stdout]    = help: consider adding `json` 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] [stderr] warning: unused dependency `futures-util`
[INFO] [stderr]   --> Cargo.toml:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | [dependencies.futures-util]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `futures-util`
[INFO] [stderr] warning: `ergo-lib-c-core` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.35s
[INFO] running `Command { std: "docker" "inspect" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2", kill_on_drop: false }`
[INFO] [stdout] cde74cca091ae8b6a00828be7753596b5a081b724361ea2599fec0515a8a63a2
