[INFO] fetching crate redis_dumbpool 0.2.0...
[INFO] checking redis_dumbpool-0.2.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate redis_dumbpool 0.2.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate redis_dumbpool 0.2.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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 v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding redis v0.20.2 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded redis v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f1cb06a2d187a5af6acfeaecc6c3619435645bfa0c4d6f2c3b7cab84094ed1
[INFO] running `Command { std: "docker" "start" "-a" "66f1cb06a2d187a5af6acfeaecc6c3619435645bfa0c4d6f2c3b7cab84094ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f1cb06a2d187a5af6acfeaecc6c3619435645bfa0c4d6f2c3b7cab84094ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f1cb06a2d187a5af6acfeaecc6c3619435645bfa0c4d6f2c3b7cab84094ed1", kill_on_drop: false }`
[INFO] [stdout] 66f1cb06a2d187a5af6acfeaecc6c3619435645bfa0c4d6f2c3b7cab84094ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2fb6c9eb0c9ea1d537d8d9af4bc10eb2ba472f98c442662a170844c2b989867
[INFO] running `Command { std: "docker" "start" "-a" "d2fb6c9eb0c9ea1d537d8d9af4bc10eb2ba472f98c442662a170844c2b989867", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tokio v1.50.0
[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 itoa v0.4.8
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[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 15.72s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "d2fb6c9eb0c9ea1d537d8d9af4bc10eb2ba472f98c442662a170844c2b989867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fb6c9eb0c9ea1d537d8d9af4bc10eb2ba472f98c442662a170844c2b989867", kill_on_drop: false }`
[INFO] [stdout] d2fb6c9eb0c9ea1d537d8d9af4bc10eb2ba472f98c442662a170844c2b989867