[INFO] fetching crate redis_cluster_async 0.4.0...
[INFO] checking redis_cluster_async-0.4.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate redis_cluster_async 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate redis_cluster_async 0.4.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redis_cluster_async 0.4.0
[INFO] finished tweaking crates.io crate redis_cluster_async 0.4.0
[INFO] tweaked toml for crates.io crate redis_cluster_async 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a359aa79dcc80bfaa936668da63c65c687cbb4bb679de8e42ac68f64505f3b
[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" "18a359aa79dcc80bfaa936668da63c65c687cbb4bb679de8e42ac68f64505f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a359aa79dcc80bfaa936668da63c65c687cbb4bb679de8e42ac68f64505f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a359aa79dcc80bfaa936668da63c65c687cbb4bb679de8e42ac68f64505f3b", kill_on_drop: false }`
[INFO] [stdout] 18a359aa79dcc80bfaa936668da63c65c687cbb4bb679de8e42ac68f64505f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 9f5d0f4f8957c9e62e30320e64a47326e50ae9bfe8eb542c546a7919c73c578b
[INFO] running `Command { std: "docker" "start" "-a" "9f5d0f4f8957c9e62e30320e64a47326e50ae9bfe8eb542c546a7919c73c578b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking redis_cluster_async v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.67s
[INFO] running `Command { std: "docker" "inspect" "9f5d0f4f8957c9e62e30320e64a47326e50ae9bfe8eb542c546a7919c73c578b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5d0f4f8957c9e62e30320e64a47326e50ae9bfe8eb542c546a7919c73c578b", kill_on_drop: false }`
[INFO] [stdout] 9f5d0f4f8957c9e62e30320e64a47326e50ae9bfe8eb542c546a7919c73c578b