[INFO] fetching crate binary_rw 1.0.0...
[INFO] checking binary_rw-1.0.0 against beta for pr-78714
[INFO] extracting crate binary_rw 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate binary_rw 1.0.0 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 binary_rw 1.0.0
[INFO] finished tweaking crates.io crate binary_rw 1.0.0
[INFO] tweaked toml for crates.io crate binary_rw 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7aa89c252a75bd85d489620d7577f42f0c1fef64bffe7b13fd06c4e4d4a03d
[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" "aa7aa89c252a75bd85d489620d7577f42f0c1fef64bffe7b13fd06c4e4d4a03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7aa89c252a75bd85d489620d7577f42f0c1fef64bffe7b13fd06c4e4d4a03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7aa89c252a75bd85d489620d7577f42f0c1fef64bffe7b13fd06c4e4d4a03d", kill_on_drop: false }`
[INFO] [stdout] aa7aa89c252a75bd85d489620d7577f42f0c1fef64bffe7b13fd06c4e4d4a03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96674da7694babe4cd6aaebd1fc1716fc4f79bf1855ba9f49376db29a838123f
[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" "96674da7694babe4cd6aaebd1fc1716fc4f79bf1855ba9f49376db29a838123f", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking binary_rw v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "96674da7694babe4cd6aaebd1fc1716fc4f79bf1855ba9f49376db29a838123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96674da7694babe4cd6aaebd1fc1716fc4f79bf1855ba9f49376db29a838123f", kill_on_drop: false }`
[INFO] [stdout] 96674da7694babe4cd6aaebd1fc1716fc4f79bf1855ba9f49376db29a838123f