[INFO] cloning repository https://github.com/LibeccioLabs/Plonky2-Playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LibeccioLabs/Plonky2-Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibeccioLabs%2FPlonky2-Playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibeccioLabs%2FPlonky2-Playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6b58802e052faeb1c0c577c8cd2c0cb044a3ea6
[INFO] checking LibeccioLabs/Plonky2-Playground against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibeccioLabs%2FPlonky2-Playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LibeccioLabs/Plonky2-Playground 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/LibeccioLabs/Plonky2-Playground
[INFO] finished tweaking git repo https://github.com/LibeccioLabs/Plonky2-Playground
[INFO] tweaked toml for git repo https://github.com/LibeccioLabs/Plonky2-Playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LibeccioLabs/Plonky2-Playground already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.17
[INFO] [stderr]   Downloaded plonky2_maybe_rayon v0.2.0
[INFO] [stderr]   Downloaded const-random v0.1.17
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded plonky2_util v0.2.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.4
[INFO] [stderr]   Downloaded plonky2_field v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.71
[INFO] [stderr]   Downloaded plonky2 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c578b2aad0b3e929968eb865e7d45c63167214fe2865603bbf60b041c5e3e4ce
[INFO] running `Command { std: "docker" "start" "-a" "c578b2aad0b3e929968eb865e7d45c63167214fe2865603bbf60b041c5e3e4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c578b2aad0b3e929968eb865e7d45c63167214fe2865603bbf60b041c5e3e4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c578b2aad0b3e929968eb865e7d45c63167214fe2865603bbf60b041c5e3e4ce", kill_on_drop: false }`
[INFO] [stdout] c578b2aad0b3e929968eb865e7d45c63167214fe2865603bbf60b041c5e3e4ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ffc2ec59fe2b12e0e448cceb8257014fb7447c56202bc840e6d26aaca121475c
[INFO] running `Command { std: "docker" "start" "-a" "ffc2ec59fe2b12e0e448cceb8257014fb7447c56202bc840e6d26aaca121475c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking const-random v0.1.17
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking plonky2_util v0.2.0
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking keccak-hash v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking plonky2_maybe_rayon v0.2.0
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking plonky2_field v0.2.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking plonky2 v0.2.0
[INFO] [stderr]     Checking plonky2_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]    --> src/factorial/static_size_product.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::*;
[INFO] [stdout]     |         -------- the item `Field` is already imported here
[INFO] [stdout] 122 |     use plonky2::{
[INFO] [stdout] 123 |         field::types::Field,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CircuitBuilder` is imported redundantly
[INFO] [stdout]    --> src/factorial/static_size_product.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::*;
[INFO] [stdout]     |         -------- the item `CircuitBuilder` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 125 |         plonk::{circuit_builder::CircuitBuilder, circuit_data::CircuitConfig},
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.11s
[INFO] running `Command { std: "docker" "inspect" "ffc2ec59fe2b12e0e448cceb8257014fb7447c56202bc840e6d26aaca121475c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc2ec59fe2b12e0e448cceb8257014fb7447c56202bc840e6d26aaca121475c", kill_on_drop: false }`
[INFO] [stdout] ffc2ec59fe2b12e0e448cceb8257014fb7447c56202bc840e6d26aaca121475c