[INFO] cloning repository https://github.com/noel2004/halo2_issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noel2004/halo2_issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoel2004%2Fhalo2_issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoel2004%2Fhalo2_issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fca584ba49097aa15dae14abf7bfc75f1fe816e
[INFO] checking noel2004/halo2_issue against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoel2004%2Fhalo2_issue" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noel2004/halo2_issue 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-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/noel2004/halo2_issue
[INFO] finished tweaking git repo https://github.com/noel2004/halo2_issue
[INFO] tweaked toml for git repo https://github.com/noel2004/halo2_issue written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/noel2004/halo2_issue 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]     Updating git repository `https://github.com/appliedzkp/pairing`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded group v0.12.0
[INFO] [stderr]   Downloaded pasta_curves v0.4.0
[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] cf20d61742649f55f84ee19eae1535aa529a421c7b1e4ee15385fd52b7a2a039
[INFO] running `Command { std: "docker" "start" "-a" "cf20d61742649f55f84ee19eae1535aa529a421c7b1e4ee15385fd52b7a2a039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf20d61742649f55f84ee19eae1535aa529a421c7b1e4ee15385fd52b7a2a039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf20d61742649f55f84ee19eae1535aa529a421c7b1e4ee15385fd52b7a2a039", kill_on_drop: false }`
[INFO] [stdout] cf20d61742649f55f84ee19eae1535aa529a421c7b1e4ee15385fd52b7a2a039
[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] 4100e9c76c95d53578ef11598f29158e34c0d59f8802d94c91ccb450124ca93a
[INFO] running `Command { std: "docker" "start" "-a" "4100e9c76c95d53578ef11598f29158e34c0d59f8802d94c91ccb450124ca93a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rayon v1.5.3
[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 ff v0.11.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking pairing_bn256 v0.1.1 (https://github.com/appliedzkp/pairing?tag=v0.1.1#1da2920e)
[INFO] [stderr]     Checking halo2_proofs v0.1.0-beta.1 (https://github.com/privacy-scaling-explorations/halo2.git?tag=v2022_06_03#1fc67702)
[INFO] [stderr]     Checking halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?branch=main#c9fc4c67)
[INFO] [stderr]     Checking halo2_issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "4100e9c76c95d53578ef11598f29158e34c0d59f8802d94c91ccb450124ca93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4100e9c76c95d53578ef11598f29158e34c0d59f8802d94c91ccb450124ca93a", kill_on_drop: false }`
[INFO] [stdout] 4100e9c76c95d53578ef11598f29158e34c0d59f8802d94c91ccb450124ca93a
[INFO] checking noel2004/halo2_issue against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoel2004%2Fhalo2_issue" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noel2004/halo2_issue 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/noel2004/halo2_issue
[INFO] finished tweaking git repo https://github.com/noel2004/halo2_issue
[INFO] tweaked toml for git repo https://github.com/noel2004/halo2_issue written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/noel2004/halo2_issue 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] c006ce4b47cd975e0ce7cb255dbf1030dceb9a883cd4af5f2ad12eb79d4f7102
[INFO] running `Command { std: "docker" "start" "-a" "c006ce4b47cd975e0ce7cb255dbf1030dceb9a883cd4af5f2ad12eb79d4f7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c006ce4b47cd975e0ce7cb255dbf1030dceb9a883cd4af5f2ad12eb79d4f7102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c006ce4b47cd975e0ce7cb255dbf1030dceb9a883cd4af5f2ad12eb79d4f7102", kill_on_drop: false }`
[INFO] [stdout] c006ce4b47cd975e0ce7cb255dbf1030dceb9a883cd4af5f2ad12eb79d4f7102
[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] 51db1678d44181fba9e88a2e1bf483ca710a79e5b502c9eadaefe258f177a0c9
[INFO] running `Command { std: "docker" "start" "-a" "51db1678d44181fba9e88a2e1bf483ca710a79e5b502c9eadaefe258f177a0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking ff v0.11.1
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking pasta_curves v0.4.0
[INFO] [stderr]     Checking pairing_bn256 v0.1.1 (https://github.com/appliedzkp/pairing?tag=v0.1.1#1da2920e)
[INFO] [stderr]     Checking halo2_proofs v0.1.0-beta.1 (https://github.com/privacy-scaling-explorations/halo2.git?tag=v2022_06_03#1fc67702)
[INFO] [stderr]     Checking halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?branch=main#c9fc4c67)
[INFO] [stderr]     Checking halo2_issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `Command { std: "docker" "inspect" "51db1678d44181fba9e88a2e1bf483ca710a79e5b502c9eadaefe258f177a0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51db1678d44181fba9e88a2e1bf483ca710a79e5b502c9eadaefe258f177a0c9", kill_on_drop: false }`
[INFO] [stdout] 51db1678d44181fba9e88a2e1bf483ca710a79e5b502c9eadaefe258f177a0c9