[INFO] fetching crate zksnarks 0.0.1... [INFO] checking zksnarks-0.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate zksnarks 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate zksnarks 0.0.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zksnarks 0.0.1 [INFO] finished tweaking crates.io crate zksnarks 0.0.1 [INFO] tweaked toml for crates.io crate zksnarks 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding parity-scale-codec v2.3.1 (available: v3.6.12) [INFO] [stderr] Adding parity-scale-codec-derive v2.3.1 (available: v3.6.12) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (available: v3.2.0) [INFO] [stderr] Adding sp-std v3.0.0 (available: v14.0.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding toml_edit v0.19.15 (available: v0.22.22) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winnow v0.5.40 (available: v0.6.20) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 971452dca0c861d73fffd3adef7e87a64b5e8b135acb362b3b2de5e65de8e39d [INFO] running `Command { std: "docker" "start" "-a" "971452dca0c861d73fffd3adef7e87a64b5e8b135acb362b3b2de5e65de8e39d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "971452dca0c861d73fffd3adef7e87a64b5e8b135acb362b3b2de5e65de8e39d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "971452dca0c861d73fffd3adef7e87a64b5e8b135acb362b3b2de5e65de8e39d", kill_on_drop: false }` [INFO] [stdout] 971452dca0c861d73fffd3adef7e87a64b5e8b135acb362b3b2de5e65de8e39d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e339742df2b6b89ae10d09af6cde925eb55884cf9ea6b353086d4b9d5073dce [INFO] running `Command { std: "docker" "start" "-a" "3e339742df2b6b89ae10d09af6cde925eb55884cf9ea6b353086d4b9d5073dce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Checking sp-std v3.0.0 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking merlin v3.0.0 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Compiling parity-scale-codec-derive v2.3.1 [INFO] [stderr] Checking parity-scale-codec v2.3.1 [INFO] [stderr] Checking zkstd v0.0.22 [INFO] [stderr] Checking bls-12-381 v0.0.23 [INFO] [stderr] Checking jub-jub v0.0.20 [INFO] [stderr] Checking ec-pairing v0.0.14 [INFO] [stderr] Checking poly-commit v0.0.13 [INFO] [stderr] Checking zksnarks v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/error.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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: `std` [INFO] [stdout] --> src/error.rs:167:7 [INFO] [stdout] | [INFO] [stdout] 167 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/error.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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: `std` [INFO] [stdout] --> src/error.rs:167:7 [INFO] [stdout] | [INFO] [stdout] 167 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `evaluate` is never used [INFO] [stdout] --> src/groth16/matrix.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Evaluable { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 17 | fn evaluate(&self, instance: &[Element], witness: &[Element]) -> R; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Prover` is never used [INFO] [stdout] --> src/prover.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Prover { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `evaluate` is never used [INFO] [stdout] --> src/groth16/matrix.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait Evaluable { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 17 | fn evaluate(&self, instance: &[Element], witness: &[Element]) -> R; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Prover` is never used [INFO] [stdout] --> src/prover.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Prover { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.08s [INFO] running `Command { std: "docker" "inspect" "3e339742df2b6b89ae10d09af6cde925eb55884cf9ea6b353086d4b9d5073dce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e339742df2b6b89ae10d09af6cde925eb55884cf9ea6b353086d4b9d5073dce", kill_on_drop: false }` [INFO] [stdout] 3e339742df2b6b89ae10d09af6cde925eb55884cf9ea6b353086d4b9d5073dce