[INFO] fetching crate phase2 0.2.2... [INFO] checking phase2-0.2.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate phase2 0.2.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate phase2 0.2.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate phase2 0.2.2 [INFO] finished tweaking crates.io crate phase2 0.2.2 [INFO] tweaked toml for crates.io crate phase2 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.6) [INFO] [stderr] Adding bellman v0.1.0 (latest: v0.14.0) [INFO] [stderr] Adding bit-vec v0.4.4 (latest: v0.8.0) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.1) [INFO] [stderr] Adding crossbeam v0.3.2 (latest: v0.8.4) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding pairing v0.14.2 (latest: v0.23.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.3.2 [INFO] [stderr] Downloaded bellman v0.1.0 [INFO] [stderr] Downloaded pairing v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4784c0f6aabeaf559db486590ad025cb858749bfa966554eed2ef83cd69450b [INFO] running `Command { std: "docker" "start" "-a" "c4784c0f6aabeaf559db486590ad025cb858749bfa966554eed2ef83cd69450b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4784c0f6aabeaf559db486590ad025cb858749bfa966554eed2ef83cd69450b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4784c0f6aabeaf559db486590ad025cb858749bfa966554eed2ef83cd69450b", kill_on_drop: false }` [INFO] [stdout] c4784c0f6aabeaf559db486590ad025cb858749bfa966554eed2ef83cd69450b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8ec1750212634c6d6f4ac53013462cce5b6a80f447ec1d6e2cb0effc716a880 [INFO] running `Command { std: "docker" "start" "-a" "e8ec1750212634c6d6f4ac53013462cce5b6a80f447ec1d6e2cb0effc716a880", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Checking pairing v0.14.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking bellman v0.1.0 [INFO] [stderr] Checking phase2 v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/mimc.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut tmp_value = xl_value.map(|mut e| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/mimc.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | let mut tmp = cs.alloc(|| "tmp", || { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/mimc.rs:130:17 [INFO] [stdout] | [INFO] [stdout] 130 | let mut new_xl_value = xl_value.map(|mut e| { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/mimc.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | let mut new_xl = if i == (MIMC_ROUNDS-1) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "e8ec1750212634c6d6f4ac53013462cce5b6a80f447ec1d6e2cb0effc716a880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8ec1750212634c6d6f4ac53013462cce5b6a80f447ec1d6e2cb0effc716a880", kill_on_drop: false }` [INFO] [stdout] e8ec1750212634c6d6f4ac53013462cce5b6a80f447ec1d6e2cb0effc716a880