[INFO] fetching crate futures-v02x 0.1.0...
[INFO] checking futures-v02x-0.1.0 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate futures-v02x 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futures-v02x 0.1.0 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-v02x 0.1.0
[INFO] finished tweaking crates.io crate futures-v02x 0.1.0
[INFO] tweaked toml for crates.io crate futures-v02x 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core-preview v0.2.3
[INFO] [stderr]   Downloaded futures-channel-preview v0.2.2
[INFO] [stderr]   Downloaded futures-util-preview v0.2.2
[INFO] [stderr]   Downloaded futures-sink-preview v0.2.2
[INFO] [stderr]   Downloaded futures-io-preview v0.2.2
[INFO] [stderr]   Downloaded futures-executor-preview v0.2.2
[INFO] [stderr]   Downloaded futures-async-runtime-preview v0.2.3
[INFO] [stderr]   Downloaded futures-preview v0.2.2
[INFO] [stderr]   Downloaded futures-stable-preview v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 10f6df8b72751980ecfdd02aba4c6cdda9b94891cff1691ed379b18bc63dd46e
[INFO] running `Command { std: "docker" "start" "-a" "10f6df8b72751980ecfdd02aba4c6cdda9b94891cff1691ed379b18bc63dd46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f6df8b72751980ecfdd02aba4c6cdda9b94891cff1691ed379b18bc63dd46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f6df8b72751980ecfdd02aba4c6cdda9b94891cff1691ed379b18bc63dd46e", kill_on_drop: false }`
[INFO] [stdout] 10f6df8b72751980ecfdd02aba4c6cdda9b94891cff1691ed379b18bc63dd46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 028246adb5757bbf8e5c1da2dc1e3d85b44e69ba01141c1f090560f5420d61d0
[INFO] running `Command { std: "docker" "start" "-a" "028246adb5757bbf8e5c1da2dc1e3d85b44e69ba01141c1f090560f5420d61d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]     Checking futures-v02x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "028246adb5757bbf8e5c1da2dc1e3d85b44e69ba01141c1f090560f5420d61d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028246adb5757bbf8e5c1da2dc1e3d85b44e69ba01141c1f090560f5420d61d0", kill_on_drop: false }`
[INFO] [stdout] 028246adb5757bbf8e5c1da2dc1e3d85b44e69ba01141c1f090560f5420d61d0