[INFO] fetching crate redis_r2d2 0.17.0...
[INFO] checking redis_r2d2-0.17.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate redis_r2d2 0.17.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate redis_r2d2 0.17.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redis_r2d2 0.17.0
[INFO] finished tweaking crates.io crate redis_r2d2 0.17.0
[INFO] tweaked toml for crates.io crate redis_r2d2 0.17.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] 8759d2a7efa9cec975239d39f5e14aafbfb28022509a1b0ea218f80558430cd2
[INFO] running `Command { std: "docker" "start" "-a" "8759d2a7efa9cec975239d39f5e14aafbfb28022509a1b0ea218f80558430cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8759d2a7efa9cec975239d39f5e14aafbfb28022509a1b0ea218f80558430cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8759d2a7efa9cec975239d39f5e14aafbfb28022509a1b0ea218f80558430cd2", kill_on_drop: false }`
[INFO] [stdout] 8759d2a7efa9cec975239d39f5e14aafbfb28022509a1b0ea218f80558430cd2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] 1be1743ebe7e05a5130bd21d94dfceb5a1cd2bfa6a3293bf1c4ddb4c71b117b6
[INFO] running `Command { std: "docker" "start" "-a" "1be1743ebe7e05a5130bd21d94dfceb5a1cd2bfa6a3293bf1c4ddb4c71b117b6", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking redis_r2d2 v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.33s
[INFO] running `Command { std: "docker" "inspect" "1be1743ebe7e05a5130bd21d94dfceb5a1cd2bfa6a3293bf1c4ddb4c71b117b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be1743ebe7e05a5130bd21d94dfceb5a1cd2bfa6a3293bf1c4ddb4c71b117b6", kill_on_drop: false }`
[INFO] [stdout] 1be1743ebe7e05a5130bd21d94dfceb5a1cd2bfa6a3293bf1c4ddb4c71b117b6