[INFO] fetching crate redis_dumbpool 0.2.0...
[INFO] checking redis_dumbpool-0.2.0 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] extracting crate redis_dumbpool 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate redis_dumbpool 0.2.0
[INFO] finished tweaking crates.io crate redis_dumbpool 0.2.0
[INFO] tweaked toml for crates.io crate redis_dumbpool 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate redis_dumbpool 0.2.0 on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding async-lock v2.8.0 (available: v3.4.2)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.10)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding redis v0.20.2 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c34c3cb0d998a20eb0e54e01d1b2a9e9cee77da482cfebbe706aacd3d4cc090
[INFO] running `Command { std: "docker" "start" "-a" "6c34c3cb0d998a20eb0e54e01d1b2a9e9cee77da482cfebbe706aacd3d4cc090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c34c3cb0d998a20eb0e54e01d1b2a9e9cee77da482cfebbe706aacd3d4cc090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c34c3cb0d998a20eb0e54e01d1b2a9e9cee77da482cfebbe706aacd3d4cc090", kill_on_drop: false }`
[INFO] [stdout] 6c34c3cb0d998a20eb0e54e01d1b2a9e9cee77da482cfebbe706aacd3d4cc090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f5264bc43cd0ea528bd7491f780e533ae9349567092a3ba3bcd14ee661415b6
[INFO] running `Command { std: "docker" "start" "-a" "9f5264bc43cd0ea528bd7491f780e533ae9349567092a3ba3bcd14ee661415b6", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.52.1
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking redis v0.20.2
[INFO] [stderr]     Checking redis_dumbpool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.20.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9f5264bc43cd0ea528bd7491f780e533ae9349567092a3ba3bcd14ee661415b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5264bc43cd0ea528bd7491f780e533ae9349567092a3ba3bcd14ee661415b6", kill_on_drop: false }`
[INFO] [stdout] 9f5264bc43cd0ea528bd7491f780e533ae9349567092a3ba3bcd14ee661415b6