[INFO] fetching crate bulletproofs-gadgets 2.0.0...
[INFO] checking bulletproofs-gadgets-2.0.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate bulletproofs-gadgets 2.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bulletproofs-gadgets 2.0.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bulletproofs-gadgets 2.0.0
[INFO] finished tweaking crates.io crate bulletproofs-gadgets 2.0.0
[INFO] tweaked toml for crates.io crate bulletproofs-gadgets 2.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate bulletproofs-gadgets 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webb-bulletproofs v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1832187171a33e95a2982bb5d9221ef847f821bed7381f34587fc8512785a4ad
[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" "1832187171a33e95a2982bb5d9221ef847f821bed7381f34587fc8512785a4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1832187171a33e95a2982bb5d9221ef847f821bed7381f34587fc8512785a4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1832187171a33e95a2982bb5d9221ef847f821bed7381f34587fc8512785a4ad", kill_on_drop: false }`
[INFO] [stdout] 1832187171a33e95a2982bb5d9221ef847f821bed7381f34587fc8512785a4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b4e879c78c2d00a2bbca89d5aef95a10dcaf07b2cb55f7d9cdc515dba550c1
[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" "27b4e879c78c2d00a2bbca89d5aef95a10dcaf07b2cb55f7d9cdc515dba550c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking webb-bulletproofs v2.0.0
[INFO] [stderr]     Checking bulletproofs-gadgets v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `curve25519_dalek::scalar::Scalar`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use curve25519_dalek::scalar::Scalar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `env`, `io::prelude::*`, `write`
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     fs::{write, File},
[INFO] [stdout]   |          ^^^^^  ^^^^
[INFO] [stdout] 8 |     io::prelude::*,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `curve25519_dalek::scalar::Scalar`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use curve25519_dalek::scalar::Scalar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `env`, `io::prelude::*`, `write`
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     fs::{write, File},
[INFO] [stdout]   |          ^^^^^  ^^^^
[INFO] [stdout] 8 |     io::prelude::*,
[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 54.51s
[INFO] running `Command { std: "docker" "inspect" "27b4e879c78c2d00a2bbca89d5aef95a10dcaf07b2cb55f7d9cdc515dba550c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b4e879c78c2d00a2bbca89d5aef95a10dcaf07b2cb55f7d9cdc515dba550c1", kill_on_drop: false }`
[INFO] [stdout] 27b4e879c78c2d00a2bbca89d5aef95a10dcaf07b2cb55f7d9cdc515dba550c1