[INFO] fetching crate wedpr_s_verifiable_confidential_ledger 1.3.0...
[INFO] testing wedpr_s_verifiable_confidential_ledger-1.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate wedpr_s_verifiable_confidential_ledger 1.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wedpr_s_verifiable_confidential_ledger 1.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wedpr_s_verifiable_confidential_ledger 1.3.0
[INFO] finished tweaking crates.io crate wedpr_s_verifiable_confidential_ledger 1.3.0
[INFO] tweaked toml for crates.io crate wedpr_s_verifiable_confidential_ledger 1.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate wedpr_s_verifiable_confidential_ledger 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baeef8c7c1b483db475cbdda75f60c2a71a9c248d4bef06c498c7ad0239bd324
[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" "baeef8c7c1b483db475cbdda75f60c2a71a9c248d4bef06c498c7ad0239bd324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baeef8c7c1b483db475cbdda75f60c2a71a9c248d4bef06c498c7ad0239bd324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baeef8c7c1b483db475cbdda75f60c2a71a9c248d4bef06c498c7ad0239bd324", kill_on_drop: false }`
[INFO] [stdout] baeef8c7c1b483db475cbdda75f60c2a71a9c248d4bef06c498c7ad0239bd324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 047d82acce687318c48f91fbab96d8a0860019eb7e5bcdd3f968f9a5b919448d
[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" "047d82acce687318c48f91fbab96d8a0860019eb7e5bcdd3f968f9a5b919448d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wedpr_l_macros v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling protobuf-codegen v2.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling merlin v1.3.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling wedpr_l_utils v1.0.0
[INFO] [stderr]    Compiling wedpr_l_crypto_hash_keccak256 v1.0.0
[INFO] [stderr]    Compiling wedpr_l_crypto_zkp_utils v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling protoc v2.20.0
[INFO] [stderr]    Compiling protoc-rust v2.20.0
[INFO] [stderr]    Compiling wedpr_l_protos v1.0.0
[INFO] [stderr]    Compiling wedpr_s_protos v1.3.0
[INFO] [stderr]    Compiling wedpr_l_crypto_zkp_discrete_logarithm_proof v1.0.0
[INFO] [stderr]    Compiling bulletproofs v1.0.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bulletproofs-1.0.4/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bulletproofs` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "047d82acce687318c48f91fbab96d8a0860019eb7e5bcdd3f968f9a5b919448d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047d82acce687318c48f91fbab96d8a0860019eb7e5bcdd3f968f9a5b919448d", kill_on_drop: false }`
[INFO] [stdout] 047d82acce687318c48f91fbab96d8a0860019eb7e5bcdd3f968f9a5b919448d