[INFO] cloning repository https://github.com/Pratyush/snark-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pratyush/snark-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 167402d477dff2def4ee95c58d2e41c84be0ac77
[INFO] checking Pratyush/snark-tutorial against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pratyush/snark-tutorial on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pratyush/snark-tutorial
[INFO] finished tweaking git repo https://github.com/Pratyush/snark-tutorial
[INFO] tweaked toml for git repo https://github.com/Pratyush/snark-tutorial written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Pratyush/snark-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/scipr-lab/zexe`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radix_trie v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9c247ac8f345ff44e1b218c08da443f98586c69f4393b4ba90d0be1898734b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9c247ac8f345ff44e1b218c08da443f98586c69f4393b4ba90d0be1898734b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c247ac8f345ff44e1b218c08da443f98586c69f4393b4ba90d0be1898734b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c247ac8f345ff44e1b218c08da443f98586c69f4393b4ba90d0be1898734b8", kill_on_drop: false }`
[INFO] [stdout] a9c247ac8f345ff44e1b218c08da443f98586c69f4393b4ba90d0be1898734b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 969a45dd211381cbe0f3aa2cec37f05413eb0ed0287b7fc9d89d373245259e56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "969a45dd211381cbe0f3aa2cec37f05413eb0ed0287b7fc9d89d373245259e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking bench-utils v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking radix_trie v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]     Checking algebra v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking r1cs-core v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking ff-fft v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking r1cs-std v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking gm17 v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking crypto-primitives v0.1.0 (https://github.com/scipr-lab/zexe#2e8b03a1)
[INFO] [stderr]     Checking snark-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.18s
[INFO] running `Command { std: "docker" "inspect" "969a45dd211381cbe0f3aa2cec37f05413eb0ed0287b7fc9d89d373245259e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969a45dd211381cbe0f3aa2cec37f05413eb0ed0287b7fc9d89d373245259e56", kill_on_drop: false }`
[INFO] [stdout] 969a45dd211381cbe0f3aa2cec37f05413eb0ed0287b7fc9d89d373245259e56