[INFO] fetching crate cks_accumulator 0.1.2... [INFO] checking cks_accumulator-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate cks_accumulator 0.1.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate cks_accumulator 0.1.2 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 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-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 55 packages [INFO] [stderr] Adding amcl_wrapper v0.3.5 (latest: v0.4.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding sha3 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Downloading crates ... [INFO] [stderr] Downloaded subtle-encoding v0.5.1 [INFO] [stderr] Downloaded sha3 v0.8.2 [INFO] [stderr] Downloaded miracl_amcl v3.2.5 [INFO] [stderr] Downloaded amcl_wrapper v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 906aeec1cf854743d05c0471a66a504084357f4a697971336ebab905727a6c2d [INFO] running `Command { std: "docker" "start" "-a" "906aeec1cf854743d05c0471a66a504084357f4a697971336ebab905727a6c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "906aeec1cf854743d05c0471a66a504084357f4a697971336ebab905727a6c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "906aeec1cf854743d05c0471a66a504084357f4a697971336ebab905727a6c2d", kill_on_drop: false }` [INFO] [stdout] 906aeec1cf854743d05c0471a66a504084357f4a697971336ebab905727a6c2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b891af7251c90aab9a85c0b14ee2a43940c68732fad9d8cf7ef1ce0c753450fe [INFO] running `Command { std: "docker" "start" "-a" "b891af7251c90aab9a85c0b14ee2a43940c68732fad9d8cf7ef1ce0c753450fe", kill_on_drop: false }` [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking subtle-encoding v0.5.1 [INFO] [stderr] Checking miracl_amcl v3.2.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking amcl_wrapper v0.3.5 [INFO] [stderr] Checking cks_accumulator v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_entries_from_trapdoor` is never used [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 `new` is never used [INFO] [stdout] --> src/accumulator.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 191 | impl InMemoryAccumulatorEntries { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] 192 | fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `witness` is never read [INFO] [stdout] --> src/accumulator.rs:567:17 [INFO] [stdout] | [INFO] [stdout] 567 | let mut witness: Option = None; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "b891af7251c90aab9a85c0b14ee2a43940c68732fad9d8cf7ef1ce0c753450fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b891af7251c90aab9a85c0b14ee2a43940c68732fad9d8cf7ef1ce0c753450fe", kill_on_drop: false }` [INFO] [stdout] b891af7251c90aab9a85c0b14ee2a43940c68732fad9d8cf7ef1ce0c753450fe [INFO] checking cks_accumulator-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate cks_accumulator 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate cks_accumulator 0.1.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 55 packages [INFO] [stderr] Adding amcl_wrapper v0.3.5 (latest: v0.4.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding sha3 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3dca43dc2917b6fb9fb10582ec691fa90f1c8c1beb42b56d8c39e6f8852d9218 [INFO] running `Command { std: "docker" "start" "-a" "3dca43dc2917b6fb9fb10582ec691fa90f1c8c1beb42b56d8c39e6f8852d9218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dca43dc2917b6fb9fb10582ec691fa90f1c8c1beb42b56d8c39e6f8852d9218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dca43dc2917b6fb9fb10582ec691fa90f1c8c1beb42b56d8c39e6f8852d9218", kill_on_drop: false }` [INFO] [stdout] 3dca43dc2917b6fb9fb10582ec691fa90f1c8c1beb42b56d8c39e6f8852d9218 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95fea53cf7565544e4b55a48a04565efd972488dd46983fddfbca0cb61f234a4 [INFO] running `Command { std: "docker" "start" "-a" "95fea53cf7565544e4b55a48a04565efd972488dd46983fddfbca0cb61f234a4", kill_on_drop: false }` [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking subtle-encoding v0.5.1 [INFO] [stderr] Checking miracl_amcl v3.2.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking amcl_wrapper v0.3.5 [INFO] [stderr] Checking cks_accumulator v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_entries_from_trapdoor` is never used [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 `new` is never used [INFO] [stdout] --> src/accumulator.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 191 | impl InMemoryAccumulatorEntries { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] 192 | fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `witness` is never read [INFO] [stdout] --> src/accumulator.rs:567:17 [INFO] [stdout] | [INFO] [stdout] 567 | let mut witness: Option = None; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s [INFO] running `Command { std: "docker" "inspect" "95fea53cf7565544e4b55a48a04565efd972488dd46983fddfbca0cb61f234a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95fea53cf7565544e4b55a48a04565efd972488dd46983fddfbca0cb61f234a4", kill_on_drop: false }` [INFO] [stdout] 95fea53cf7565544e4b55a48a04565efd972488dd46983fddfbca0cb61f234a4