[INFO] cloning repository https://github.com/gpestana/beam-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gpestana/beam-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpestana%2Fbeam-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpestana%2Fbeam-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5d5d50e7cd0fd8c6b789487c0db7078627a7ee3
[INFO] checking gpestana/beam-rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpestana%2Fbeam-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gpestana/beam-rs 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 git repo https://github.com/gpestana/beam-rs
[INFO] finished tweaking git repo https://github.com/gpestana/beam-rs
[INFO] tweaked toml for git repo https://github.com/gpestana/beam-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gpestana/beam-rs 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]     Updating git repository `https://github.com/arkworks-rs/algebra`
[INFO] [stderr]     Updating git repository `https://github.com/arkworks-rs/curves`
[INFO] [stderr]     Updating git repository `https://github.com/arkworks-rs/utils`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] a9d3dd58c82ffade92d623b32f3edd350c6a78eec9f554e8f7b05700f2b161eb
[INFO] running `Command { std: "docker" "start" "-a" "a9d3dd58c82ffade92d623b32f3edd350c6a78eec9f554e8f7b05700f2b161eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9d3dd58c82ffade92d623b32f3edd350c6a78eec9f554e8f7b05700f2b161eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d3dd58c82ffade92d623b32f3edd350c6a78eec9f554e8f7b05700f2b161eb", kill_on_drop: false }`
[INFO] [stdout] a9d3dd58c82ffade92d623b32f3edd350c6a78eec9f554e8f7b05700f2b161eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be79fa69c89c9f0dd5308e41f0588edaf48ca11af91d62bf935e3681df101ac5
[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" "be79fa69c89c9f0dd5308e41f0588edaf48ca11af91d62bf935e3681df101ac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[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]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]     Checking ark-std v0.1.0 (https://github.com/arkworks-rs/utils#b37f1c8f)
[INFO] [stderr]     Checking ark-serialize v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling ark-ff-macros v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking ark-ec v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]     Checking ark-bls12-381 v0.1.0 (https://github.com/arkworks-rs/curves?rev=39c58df#39c58df3)
[INFO] [stderr]     Checking beam-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/lib.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_ff::{One, UniformRand, Zero};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]  --> src/lib.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_ff::{One, UniformRand, Zero};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.02s
[INFO] running `Command { std: "docker" "inspect" "be79fa69c89c9f0dd5308e41f0588edaf48ca11af91d62bf935e3681df101ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be79fa69c89c9f0dd5308e41f0588edaf48ca11af91d62bf935e3681df101ac5", kill_on_drop: false }`
[INFO] [stdout] be79fa69c89c9f0dd5308e41f0588edaf48ca11af91d62bf935e3681df101ac5