[INFO] fetching crate redis-async 0.7.1...
[INFO] checking redis-async-0.7.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate redis-async 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate redis-async 0.7.1 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-async 0.7.1
[INFO] finished tweaking crates.io crate redis-async 0.7.1
[INFO] tweaked toml for crates.io crate redis-async 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate redis-async 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded tokio-util v0.5.0
[INFO] [stderr]   Downloaded tokio v0.3.3
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 244d90fe2f3e61ccc756667643918b429be75bb34fc459f1d18bde66f28c38be
[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" "244d90fe2f3e61ccc756667643918b429be75bb34fc459f1d18bde66f28c38be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "244d90fe2f3e61ccc756667643918b429be75bb34fc459f1d18bde66f28c38be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244d90fe2f3e61ccc756667643918b429be75bb34fc459f1d18bde66f28c38be", kill_on_drop: false }`
[INFO] [stdout] 244d90fe2f3e61ccc756667643918b429be75bb34fc459f1d18bde66f28c38be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 066e31a7b3c34fe0d5cfb1a02adbda40ffce9c5d04f0fd6e79dd1e42a5bf7eed
[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" "066e31a7b3c34fe0d5cfb1a02adbda40ffce9c5d04f0fd6e79dd1e42a5bf7eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking tokio-util v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking redis-async v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.23s
[INFO] running `Command { std: "docker" "inspect" "066e31a7b3c34fe0d5cfb1a02adbda40ffce9c5d04f0fd6e79dd1e42a5bf7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066e31a7b3c34fe0d5cfb1a02adbda40ffce9c5d04f0fd6e79dd1e42a5bf7eed", kill_on_drop: false }`
[INFO] [stdout] 066e31a7b3c34fe0d5cfb1a02adbda40ffce9c5d04f0fd6e79dd1e42a5bf7eed