[INFO] crate cks_accumulator 0.1.2 is already in cache
[INFO] testing cks_accumulator-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cks_accumulator 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cks_accumulator 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cks_accumulator 0.1.2
[INFO] finished tweaking crates.io crate cks_accumulator 0.1.2
[INFO] tweaked toml for crates.io crate cks_accumulator 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 219c48afe4e8f50a7a472c3eb2c9c8d2316fbb7020b05f925a44e874b378fe00
[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" "219c48afe4e8f50a7a472c3eb2c9c8d2316fbb7020b05f925a44e874b378fe00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219c48afe4e8f50a7a472c3eb2c9c8d2316fbb7020b05f925a44e874b378fe00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219c48afe4e8f50a7a472c3eb2c9c8d2316fbb7020b05f925a44e874b378fe00", kill_on_drop: false }`
[INFO] [stdout] 219c48afe4e8f50a7a472c3eb2c9c8d2316fbb7020b05f925a44e874b378fe00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa1658490d7676b4ee8f470a80333966a9f8bf2a445d3c34761f5403e2b1c2c
[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" "ffa1658490d7676b4ee8f470a80333966a9f8bf2a445d3c34761f5403e2b1c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling miracl_amcl v3.2.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling amcl_wrapper v0.3.5
[INFO] [stderr]    Compiling cks_accumulator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `generate_entries_from_trapdoor`
[INFO] [stdout]    --> src/accumulator.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_entries_from_trapdoor(size: usize, label: &[u8], gamma: &FieldElement) -> (G1Vector, G2Vector, GT) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/accumulator.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "ffa1658490d7676b4ee8f470a80333966a9f8bf2a445d3c34761f5403e2b1c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa1658490d7676b4ee8f470a80333966a9f8bf2a445d3c34761f5403e2b1c2c", kill_on_drop: false }`
[INFO] [stdout] ffa1658490d7676b4ee8f470a80333966a9f8bf2a445d3c34761f5403e2b1c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e51cbf06f3c84211b158d6148b26df92725b697f1e469deea5f3738519d44b
[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" "09e51cbf06f3c84211b158d6148b26df92725b697f1e469deea5f3738519d44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cks_accumulator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `generate_entries_from_trapdoor`
[INFO] [stdout]    --> src/accumulator.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_entries_from_trapdoor(size: usize, label: &[u8], gamma: &FieldElement) -> (G1Vector, G2Vector, GT) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/accumulator.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `witness` is never read
[INFO] [stdout]    --> src/accumulator.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let mut witness: Option<Witness> = None;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "09e51cbf06f3c84211b158d6148b26df92725b697f1e469deea5f3738519d44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e51cbf06f3c84211b158d6148b26df92725b697f1e469deea5f3738519d44b", kill_on_drop: false }`
[INFO] [stdout] 09e51cbf06f3c84211b158d6148b26df92725b697f1e469deea5f3738519d44b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] fc28f5468ba42b502446c7af0f2b28d8fcf24b2e465ad5a192d85d7c25de9a80
[INFO] running `Command { std: "docker" "start" "-a" "fc28f5468ba42b502446c7af0f2b28d8fcf24b2e465ad5a192d85d7c25de9a80", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `witness` is never read
[INFO] [stderr]    --> src/accumulator.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 |         let mut witness: Option<Witness> = None;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_entries_from_trapdoor`
[INFO] [stderr]    --> src/accumulator.rs:118:4
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn generate_entries_from_trapdoor(size: usize, label: &[u8], gamma: &FieldElement) -> (G1Vector, G2Vector, GT) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/accumulator.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cks_accumulator-a97c8721b0e5b8f5
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test accumulator::tests::test_accumulator_gen ... ok
[INFO] [stdout] test accumulator::tests::test_accumulator_addition_removal ... ok
[INFO] [stdout] test accumulator::tests::test_accumulator_witness_update ... ok
[INFO] [stdout] test accumulator::tests::test_accumulator_addition_removal_random_indices ... ok
[INFO] [stderr]    Doc-tests cks_accumulator
[INFO] [stdout] test accumulator::tests::test_accumulator_witness_using_trapdoor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc28f5468ba42b502446c7af0f2b28d8fcf24b2e465ad5a192d85d7c25de9a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc28f5468ba42b502446c7af0f2b28d8fcf24b2e465ad5a192d85d7c25de9a80", kill_on_drop: false }`
[INFO] [stdout] fc28f5468ba42b502446c7af0f2b28d8fcf24b2e465ad5a192d85d7c25de9a80