[INFO] fetching crate gexiv2-sys 1.1.2...
[INFO] checking gexiv2-sys-1.1.2 against beta for pr-78714
[INFO] extracting crate gexiv2-sys 1.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gexiv2-sys 1.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gexiv2-sys 1.1.2
[INFO] finished tweaking crates.io crate gexiv2-sys 1.1.2
[INFO] tweaked toml for crates.io crate gexiv2-sys 1.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gexiv2-sys 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f6727c03c6ff938c0182eed4a3bfb5513e2a2fab8a6939c7e83f53f04d8cb9f8
[INFO] running `Command { std: "docker" "start" "-a" "f6727c03c6ff938c0182eed4a3bfb5513e2a2fab8a6939c7e83f53f04d8cb9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6727c03c6ff938c0182eed4a3bfb5513e2a2fab8a6939c7e83f53f04d8cb9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6727c03c6ff938c0182eed4a3bfb5513e2a2fab8a6939c7e83f53f04d8cb9f8", kill_on_drop: false }`
[INFO] [stdout] f6727c03c6ff938c0182eed4a3bfb5513e2a2fab8a6939c7e83f53f04d8cb9f8
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 105eef0475de649589241e6762623833b9afd162e6892dc007e4ad5b9f872890
[INFO] running `Command { std: "docker" "start" "-a" "105eef0475de649589241e6762623833b9afd162e6892dc007e4ad5b9f872890", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling gexiv2-sys v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "105eef0475de649589241e6762623833b9afd162e6892dc007e4ad5b9f872890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105eef0475de649589241e6762623833b9afd162e6892dc007e4ad5b9f872890", kill_on_drop: false }`
[INFO] [stdout] 105eef0475de649589241e6762623833b9afd162e6892dc007e4ad5b9f872890