[INFO] cloning repository https://github.com/ivan-kyuchukov/halo2-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivan-kyuchukov/halo2-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-kyuchukov%2Fhalo2-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-kyuchukov%2Fhalo2-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8740222984663a5641272014874f9b74d0b13452
[INFO] checking ivan-kyuchukov/halo2-examples against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-kyuchukov%2Fhalo2-examples" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivan-kyuchukov/halo2-examples on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivan-kyuchukov/halo2-examples
[INFO] finished tweaking git repo https://github.com/ivan-kyuchukov/halo2-examples
[INFO] tweaked toml for git repo https://github.com/ivan-kyuchukov/halo2-examples written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivan-kyuchukov/halo2-examples 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.1
[INFO] [stderr]   Downloaded ttf-parser v0.12.3
[INFO] [stderr]   Downloaded pasta_curves v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb715bf77f97a0351a97ee08583a06d26be4356a5bef31a5936af13cd6d2b9a9
[INFO] running `Command { std: "docker" "start" "-a" "eb715bf77f97a0351a97ee08583a06d26be4356a5bef31a5936af13cd6d2b9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb715bf77f97a0351a97ee08583a06d26be4356a5bef31a5936af13cd6d2b9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb715bf77f97a0351a97ee08583a06d26be4356a5bef31a5936af13cd6d2b9a9", kill_on_drop: false }`
[INFO] [stdout] eb715bf77f97a0351a97ee08583a06d26be4356a5bef31a5936af13cd6d2b9a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d678394a1fe4133b6df380241e606374949856919aeff57bf2b279675dcd76c
[INFO] running `Command { std: "docker" "start" "-a" "3d678394a1fe4133b6df380241e606374949856919aeff57bf2b279675dcd76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking pasta_curves v0.4.0
[INFO] [stderr]     Checking halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?rev=a898d65ae3ad3d41987666f6a03cfc15edae01c4#a898d65a)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "3d678394a1fe4133b6df380241e606374949856919aeff57bf2b279675dcd76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d678394a1fe4133b6df380241e606374949856919aeff57bf2b279675dcd76c", kill_on_drop: false }`
[INFO] [stdout] 3d678394a1fe4133b6df380241e606374949856919aeff57bf2b279675dcd76c