[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] aeb18eb3556f356e18afd583ac927c34cdc3d6ef
[INFO] checking gpestana/beam-rs against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpestana%2Fbeam-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gpestana/beam-rs on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-5/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] e451c01609cce0573c3bb2b7c5abaaa1ecaef501433ef80a6c8733aae5feaef1
[INFO] running `Command { std: "docker" "start" "-a" "e451c01609cce0573c3bb2b7c5abaaa1ecaef501433ef80a6c8733aae5feaef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e451c01609cce0573c3bb2b7c5abaaa1ecaef501433ef80a6c8733aae5feaef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e451c01609cce0573c3bb2b7c5abaaa1ecaef501433ef80a6c8733aae5feaef1", kill_on_drop: false }`
[INFO] [stdout] e451c01609cce0573c3bb2b7c5abaaa1ecaef501433ef80a6c8733aae5feaef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cec9f5095ef8eb62fa50d3fc0c073434f5adf5cdd98288b8b3b2ebde5c95c1b
[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" "4cec9f5095ef8eb62fa50d3fc0c073434f5adf5cdd98288b8b3b2ebde5c95c1b", kill_on_drop: false }`
[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 syn v1.0.60
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling ark-ff v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[INFO] [stderr]     Checking rand v0.7.3
[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-asm v0.1.0 (https://github.com/arkworks-rs/algebra#1ebaf957)
[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]     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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "4cec9f5095ef8eb62fa50d3fc0c073434f5adf5cdd98288b8b3b2ebde5c95c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cec9f5095ef8eb62fa50d3fc0c073434f5adf5cdd98288b8b3b2ebde5c95c1b", kill_on_drop: false }`
[INFO] [stdout] 4cec9f5095ef8eb62fa50d3fc0c073434f5adf5cdd98288b8b3b2ebde5c95c1b