[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 master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPratyush%2Fsnark-tutorial" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pratyush/snark-tutorial on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d66fa2468b56c76d5fa406c676ee9ad12baa36030f5caec1802a4535aefe56c7
[INFO] running `Command { std: "docker" "start" "-a" "d66fa2468b56c76d5fa406c676ee9ad12baa36030f5caec1802a4535aefe56c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66fa2468b56c76d5fa406c676ee9ad12baa36030f5caec1802a4535aefe56c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66fa2468b56c76d5fa406c676ee9ad12baa36030f5caec1802a4535aefe56c7", kill_on_drop: false }`
[INFO] [stdout] d66fa2468b56c76d5fa406c676ee9ad12baa36030f5caec1802a4535aefe56c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4fbdcca798b0ea81ea730ec3d8e396a37012e40025f5a2277697c2aa6a77bc
[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" "5e4fbdcca798b0ea81ea730ec3d8e396a37012e40025f5a2277697c2aa6a77bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.0.4
[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]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking radix_trie v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[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 1m 00s
[INFO] running `Command { std: "docker" "inspect" "5e4fbdcca798b0ea81ea730ec3d8e396a37012e40025f5a2277697c2aa6a77bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4fbdcca798b0ea81ea730ec3d8e396a37012e40025f5a2277697c2aa6a77bc", kill_on_drop: false }`
[INFO] [stdout] 5e4fbdcca798b0ea81ea730ec3d8e396a37012e40025f5a2277697c2aa6a77bc