[INFO] cloning repository https://github.com/cyberbono3/edcon2019-bellmanworkshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyberbono3/edcon2019-bellmanworkshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberbono3%2Fedcon2019-bellmanworkshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberbono3%2Fedcon2019-bellmanworkshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be4bb9a6d7af8f5421cc968b0eaf2e0082f080db
[INFO] checking cyberbono3/edcon2019-bellmanworkshop against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyberbono3%2Fedcon2019-bellmanworkshop" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyberbono3/edcon2019-bellmanworkshop on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyberbono3/edcon2019-bellmanworkshop
[INFO] finished tweaking git repo https://github.com/cyberbono3/edcon2019-bellmanworkshop
[INFO] tweaked toml for git repo https://github.com/cyberbono3/edcon2019-bellmanworkshop written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyberbono3/edcon2019-bellmanworkshop 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/bellman`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/sapling-crypto`
[INFO] [stderr]     Updating git repository `https://github.com/gtank/blake2-rfc`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/pairing`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/ff`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a863b09a4136cd105502f0cf8e621eaccaf984476818e4eb16dfc1bacef9fd1
[INFO] running `Command { std: "docker" "start" "-a" "6a863b09a4136cd105502f0cf8e621eaccaf984476818e4eb16dfc1bacef9fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a863b09a4136cd105502f0cf8e621eaccaf984476818e4eb16dfc1bacef9fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a863b09a4136cd105502f0cf8e621eaccaf984476818e4eb16dfc1bacef9fd1", kill_on_drop: false }`
[INFO] [stdout] 6a863b09a4136cd105502f0cf8e621eaccaf984476818e4eb16dfc1bacef9fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0209d13a7a22ae10797a565c77ee288d73999fe0352771e520402931d0715687
[INFO] running `Command { std: "docker" "start" "-a" "0209d13a7a22ae10797a565c77ee288d73999fe0352771e520402931d0715687", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling ff_derive v0.4.0 (https://github.com/matterinc/ff?tag=0.5#056a13b9)
[INFO] [stderr]     Checking ff v0.5.0 (https://github.com/matterinc/ff?tag=0.5#056a13b9)
[INFO] [stderr]     Checking pairing v0.16.2 (https://github.com/matterinc/pairing?tag=0.16.2#c2af46ca)
[INFO] [stderr]     Checking bellman v0.2.0 (https://github.com/matterinc/bellman?tag=0.2.0#6e45a4b2)
[INFO] [stderr]     Checking sapling-crypto v0.0.4 (https://github.com/matterinc/sapling-crypto?tag=0.0.4#6ac48e2f)
[INFO] [stderr]     Checking edcon_demo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PrimeFieldRepr`
[INFO] [stdout]  --> src/circuit.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PrimeFieldRepr,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/circuit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Engine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multipack`
[INFO] [stdout]   --> src/circuit.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     multipack,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JubjubParams`, `PrimeOrder`, `Unknown`, `edwards`
[INFO] [stdout]   --> src/circuit.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     PrimeOrder,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 36 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     edwards,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 38 |     JubjubParams
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitIterator`, `PrimeFieldRepr`
[INFO] [stdout]   --> src/demo.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     PrimeFieldRepr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     Field,
[INFO] [stdout] 10 |     BitIterator
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/demo.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Engine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multipack`
[INFO] [stdout]   --> src/demo.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     multipack,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JubjubParams`, `PrimeOrder`, `Unknown`, `edwards`
[INFO] [stdout]   --> src/demo.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     PrimeOrder,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 36 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     edwards,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 38 |     JubjubParams
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/circuit.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Engine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multipack`
[INFO] [stdout]   --> src/circuit.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     multipack,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimeOrder`, `Unknown`, `edwards`
[INFO] [stdout]   --> src/circuit.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     PrimeOrder,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 36 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     edwards,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rand`
[INFO] [stdout]    --> src/circuit.rs:343:47
[INFO] [stdout]     |
[INFO] [stdout] 343 |     use rand::{SeedableRng, Rng, XorShiftRng, Rand};
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PrimeOrder`, `edwards`
[INFO] [stdout]    --> src/circuit.rs:345:62
[INFO] [stdout]     |
[INFO] [stdout] 345 |     use sapling_crypto::alt_babyjubjub::{AltJubjubBn256, fs, edwards, PrimeOrder};
[INFO] [stdout]     |                                                              ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitIterator`, `PrimeFieldRepr`
[INFO] [stdout]   --> src/demo.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     PrimeFieldRepr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     Field,
[INFO] [stdout] 10 |     BitIterator
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]   --> src/demo.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Engine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multipack`
[INFO] [stdout]   --> src/demo.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     multipack,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JubjubParams`, `PrimeOrder`, `Unknown`, `edwards`
[INFO] [stdout]   --> src/demo.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     PrimeOrder,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 36 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 37 |     edwards,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 38 |     JubjubParams
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0209d13a7a22ae10797a565c77ee288d73999fe0352771e520402931d0715687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0209d13a7a22ae10797a565c77ee288d73999fe0352771e520402931d0715687", kill_on_drop: false }`
[INFO] [stdout] 0209d13a7a22ae10797a565c77ee288d73999fe0352771e520402931d0715687
