[INFO] fetching crate verkle 0.1.0... [INFO] checking verkle-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate verkle 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate verkle 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 61 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding ark-ec v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff-asm v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff-macros v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-poly v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-poly-commit v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding ark-r1cs-std v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding ark-relations v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding ark-serialize v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-serialize-derive v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-std v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding hashbrown v0.11.2 (latest: v0.14.3) [INFO] [stderr] Adding rustc_version v0.3.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.11.0 (latest: v1.0.22) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tracing-subscriber v0.2.25 (latest: v0.3.18) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ark-serialize-derive v0.3.0 [INFO] [stderr] Downloaded ark-ff v0.3.0 [INFO] [stderr] Downloaded ark-ff-macros v0.3.0 [INFO] [stderr] Downloaded ark-ff-asm v0.3.0 [INFO] [stderr] Downloaded ark-serialize v0.3.0 [INFO] [stderr] Downloaded ark-std v0.3.0 [INFO] [stderr] Downloaded ark-poly-commit v0.3.0 [INFO] [stderr] Downloaded ark-ec v0.3.0 [INFO] [stderr] Downloaded ark-r1cs-std v0.3.1 [INFO] [stderr] Downloaded ark-nonnative-field v0.3.0 [INFO] [stderr] Downloaded ark-poly v0.3.0 [INFO] [stderr] Downloaded ark-relations v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0d2c879a5434699cef6c5fb144fc7e907292a8658a031f72e0f0467346606a3 [INFO] running `Command { std: "docker" "start" "-a" "e0d2c879a5434699cef6c5fb144fc7e907292a8658a031f72e0f0467346606a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0d2c879a5434699cef6c5fb144fc7e907292a8658a031f72e0f0467346606a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d2c879a5434699cef6c5fb144fc7e907292a8658a031f72e0f0467346606a3", kill_on_drop: false }` [INFO] [stdout] e0d2c879a5434699cef6c5fb144fc7e907292a8658a031f72e0f0467346606a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3a657dd2e091fc91f15933743c388917ebc200a26abe0907435bee81ff5dfc0 [INFO] running `Command { std: "docker" "start" "-a" "d3a657dd2e091fc91f15933743c388917ebc200a26abe0907435bee81ff5dfc0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Checking ark-std v0.3.0 [INFO] [stderr] Compiling ark-serialize-derive v0.3.0 [INFO] [stderr] Compiling ark-ff-asm v0.3.0 [INFO] [stderr] Compiling ark-ff-macros v0.3.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking ark-serialize v0.3.0 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling semver-parser v0.10.2 [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] 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] [stderr] Checking verkle v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.00s [INFO] running `Command { std: "docker" "inspect" "d3a657dd2e091fc91f15933743c388917ebc200a26abe0907435bee81ff5dfc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3a657dd2e091fc91f15933743c388917ebc200a26abe0907435bee81ff5dfc0", kill_on_drop: false }` [INFO] [stdout] d3a657dd2e091fc91f15933743c388917ebc200a26abe0907435bee81ff5dfc0 [INFO] checking verkle-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate verkle 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate verkle 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 61 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding ark-ec v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff-asm v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-ff-macros v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-poly v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-poly-commit v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding ark-r1cs-std v0.3.1 (latest: v0.4.0) [INFO] [stderr] Adding ark-relations v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding ark-serialize v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-serialize-derive v0.3.0 (latest: v0.4.2) [INFO] [stderr] Adding ark-std v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding hashbrown v0.11.2 (latest: v0.14.3) [INFO] [stderr] Adding rustc_version v0.3.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.11.0 (latest: v1.0.22) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tracing-subscriber v0.2.25 (latest: v0.3.18) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6fa694b79e4b8a706e554adbbb0be61d1ef538454d30ddf31d4885cb31ed7ef0 [INFO] running `Command { std: "docker" "start" "-a" "6fa694b79e4b8a706e554adbbb0be61d1ef538454d30ddf31d4885cb31ed7ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fa694b79e4b8a706e554adbbb0be61d1ef538454d30ddf31d4885cb31ed7ef0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa694b79e4b8a706e554adbbb0be61d1ef538454d30ddf31d4885cb31ed7ef0", kill_on_drop: false }` [INFO] [stdout] 6fa694b79e4b8a706e554adbbb0be61d1ef538454d30ddf31d4885cb31ed7ef0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30dd1fd14fc7d7d2d516cea4ee7124f91984db072d8e6a8640f0c2510189df91 [INFO] running `Command { std: "docker" "start" "-a" "30dd1fd14fc7d7d2d516cea4ee7124f91984db072d8e6a8640f0c2510189df91", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ark-std v0.3.0 [INFO] [stderr] Compiling ark-serialize-derive v0.3.0 [INFO] [stderr] Compiling ark-ff-macros v0.3.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ark-ff-asm v0.3.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking ark-serialize v0.3.0 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Compiling semver-parser v0.10.2 [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] 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-6f17d22bba15001f/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 `!`, which is required by `Result<_, _>: FromIterator>` [INFO] [stdout] = help: the trait `FromIterator>` is implemented for `Result` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend 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/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/core/src/iter/traits/iterator.rs:1999:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [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 2 previous errors [INFO] running `Command { std: "docker" "inspect" "30dd1fd14fc7d7d2d516cea4ee7124f91984db072d8e6a8640f0c2510189df91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30dd1fd14fc7d7d2d516cea4ee7124f91984db072d8e6a8640f0c2510189df91", kill_on_drop: false }` [INFO] [stdout] 30dd1fd14fc7d7d2d516cea4ee7124f91984db072d8e6a8640f0c2510189df91