[INFO] cloning repository https://github.com/nujz/bellperson-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nujz/bellperson-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1588efe78ec47a0fce7be1d794850fa3324b17a
[INFO] checking nujz/bellperson-examples against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nujz/bellperson-examples 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 git repo https://github.com/nujz/bellperson-examples
[INFO] finished tweaking git repo https://github.com/nujz/bellperson-examples
[INFO] tweaked toml for git repo https://github.com/nujz/bellperson-examples written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nujz/bellperson-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing v0.21.0
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[INFO] [stderr]   Downloaded bellperson v0.18.2
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[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] [stderr]   Downloaded execute v0.2.9
[INFO] [stderr]   Downloaded blstrs v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d4f29d6c4e126c9a2dbf9938231c646564e0da47dfc32ddae941ef673b9a51b1
[INFO] running `Command { std: "docker" "start" "-a" "d4f29d6c4e126c9a2dbf9938231c646564e0da47dfc32ddae941ef673b9a51b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4f29d6c4e126c9a2dbf9938231c646564e0da47dfc32ddae941ef673b9a51b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f29d6c4e126c9a2dbf9938231c646564e0da47dfc32ddae941ef673b9a51b1", kill_on_drop: false }`
[INFO] [stdout] d4f29d6c4e126c9a2dbf9938231c646564e0da47dfc32ddae941ef673b9a51b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 64988b0810ac5217f781c525c1759f8fae656107c38495b3f188090e7798c1f2
[INFO] running `Command { std: "docker" "start" "-a" "64988b0810ac5217f781c525c1759f8fae656107c38495b3f188090e7798c1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.72
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[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling funty v1.2.0
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[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
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[INFO] [stderr]    Compiling execute-command-tokens v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
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[INFO] [stderr]    Compiling bitvec v0.22.3
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[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]    Compiling threadpool v1.8.1
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[INFO] [stderr]    Compiling pairing v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
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[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking blstrs v0.4.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling bellperson v0.18.2
[INFO] [stderr]     Checking bellperson-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `Command { std: "docker" "inspect" "64988b0810ac5217f781c525c1759f8fae656107c38495b3f188090e7798c1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64988b0810ac5217f781c525c1759f8fae656107c38495b3f188090e7798c1f2", kill_on_drop: false }`
[INFO] [stdout] 64988b0810ac5217f781c525c1759f8fae656107c38495b3f188090e7798c1f2
[INFO] checking nujz/bellperson-examples against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnujz%2Fbellperson-examples" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nujz/bellperson-examples on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nujz/bellperson-examples
[INFO] finished tweaking git repo https://github.com/nujz/bellperson-examples
[INFO] tweaked toml for git repo https://github.com/nujz/bellperson-examples written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nujz/bellperson-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2781b4805507f82fd5a5463073b3388b899946efbfc96f7c9fd7e65607b20a49
[INFO] running `Command { std: "docker" "start" "-a" "2781b4805507f82fd5a5463073b3388b899946efbfc96f7c9fd7e65607b20a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2781b4805507f82fd5a5463073b3388b899946efbfc96f7c9fd7e65607b20a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2781b4805507f82fd5a5463073b3388b899946efbfc96f7c9fd7e65607b20a49", kill_on_drop: false }`
[INFO] [stdout] 2781b4805507f82fd5a5463073b3388b899946efbfc96f7c9fd7e65607b20a49
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b71314490fe99805288e86a0bdaf261bc0bbaf1f8a36868f1b22bff9c03ad14
[INFO] running `Command { std: "docker" "start" "-a" "6b71314490fe99805288e86a0bdaf261bc0bbaf1f8a36868f1b22bff9c03ad14", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
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[INFO] [stderr]    Compiling syn v1.0.86
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]    Compiling bitvec v0.22.3
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.01s
[INFO] running `Command { std: "docker" "inspect" "6b71314490fe99805288e86a0bdaf261bc0bbaf1f8a36868f1b22bff9c03ad14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b71314490fe99805288e86a0bdaf261bc0bbaf1f8a36868f1b22bff9c03ad14", kill_on_drop: false }`
[INFO] [stdout] 6b71314490fe99805288e86a0bdaf261bc0bbaf1f8a36868f1b22bff9c03ad14