[INFO] fetching crate verkle 0.1.0... [INFO] checking verkle-0.1.0 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] extracting crate verkle 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate verkle 0.1.0 [INFO] finished tweaking crates.io crate verkle 0.1.0 [INFO] tweaked toml for crates.io crate verkle 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate verkle 0.1.0 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 60 packages to latest compatible versions [INFO] [stderr] Adding ark-ec v0.3.0 (available: v0.5.0) [INFO] [stderr] Adding ark-poly-commit v0.3.0 (available: v0.5.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a820b4e3a487c9779883601aac2f905109383583e81e47aa090bf9a5b0f6a5e [INFO] running `Command { std: "docker" "start" "-a" "5a820b4e3a487c9779883601aac2f905109383583e81e47aa090bf9a5b0f6a5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a820b4e3a487c9779883601aac2f905109383583e81e47aa090bf9a5b0f6a5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a820b4e3a487c9779883601aac2f905109383583e81e47aa090bf9a5b0f6a5e", kill_on_drop: false }` [INFO] [stdout] 5a820b4e3a487c9779883601aac2f905109383583e81e47aa090bf9a5b0f6a5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4322e249c62c0018c6895d46a9a04359a4b91bd7e07e27e7a0297742abef56f3 [INFO] running `Command { std: "docker" "start" "-a" "4322e249c62c0018c6895d46a9a04359a4b91bd7e07e27e7a0297742abef56f3", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling zeroize_derive v1.4.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Checking getrandom v0.2.17 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling pest v2.8.6 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking zeroize v1.8.2 [INFO] [stderr] Checking rand v0.8.6 [INFO] [stderr] Checking ark-std v0.3.0 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Compiling semver-parser v0.10.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling ark-ff v0.3.0 [INFO] [stderr] Compiling ark-serialize-derive v0.3.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ark-ff-asm v0.3.0 [INFO] [stderr] Compiling ark-ff-macros v0.3.0 [INFO] [stderr] Checking ark-serialize v0.3.0 [INFO] [stderr] Checking ark-ec v0.3.0 [INFO] [stderr] Checking ark-relations v0.3.0 [INFO] [stderr] Checking ark-poly v0.3.0 [INFO] [stderr] Checking ark-r1cs-std v0.3.1 [INFO] [stderr] Checking ark-nonnative-field v0.3.0 [INFO] [stderr] Checking ark-poly-commit v0.3.0 [INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-poly-commit-0.3.0/src/marlin/marlin_pst13_pc/data_structures.rs:566:24 [INFO] [stdout] | [INFO] [stdout] 566 | .collect::>()?; [INFO] [stdout] | ------- ^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromIterator<()>` is not implemented for `!` [INFO] [stdout] help: the trait `FromIterator>` is implemented for `Result` [INFO] [stdout] --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/library/core/src/result.rs:2109:0 [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] = note: required for `Result` to implement `FromIterator>` [INFO] [stdout] note: required by a bound in `std::iter::Iterator::collect` [INFO] [stdout] --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/library/core/src/iter/traits/iterator.rs:2079:4 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ark-poly-commit` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "4322e249c62c0018c6895d46a9a04359a4b91bd7e07e27e7a0297742abef56f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4322e249c62c0018c6895d46a9a04359a4b91bd7e07e27e7a0297742abef56f3", kill_on_drop: false }` [INFO] [stdout] 4322e249c62c0018c6895d46a9a04359a4b91bd7e07e27e7a0297742abef56f3