[INFO] fetching crate futures-sink-preview 0.3.0-alpha.19...
[INFO] checking futures-sink-preview-0.3.0-alpha.19 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate futures-sink-preview 0.3.0-alpha.19 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futures-sink-preview 0.3.0-alpha.19 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-sink-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-sink-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-sink-preview 0.3.0-alpha.19 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2efa4260f0cce71f8add0bb6e42f123136bbec2f1b9d87522d0f2ffe8019a0
[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" "4f2efa4260f0cce71f8add0bb6e42f123136bbec2f1b9d87522d0f2ffe8019a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2efa4260f0cce71f8add0bb6e42f123136bbec2f1b9d87522d0f2ffe8019a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2efa4260f0cce71f8add0bb6e42f123136bbec2f1b9d87522d0f2ffe8019a0", kill_on_drop: false }`
[INFO] [stdout] 4f2efa4260f0cce71f8add0bb6e42f123136bbec2f1b9d87522d0f2ffe8019a0
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 4427b505077fa0d8d6069b9181bb85d8a1aee85515d3056ee04803a87d5c0b45
[INFO] running `Command { std: "docker" "start" "-a" "4427b505077fa0d8d6069b9181bb85d8a1aee85515d3056ee04803a87d5c0b45", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4427b505077fa0d8d6069b9181bb85d8a1aee85515d3056ee04803a87d5c0b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4427b505077fa0d8d6069b9181bb85d8a1aee85515d3056ee04803a87d5c0b45", kill_on_drop: false }`
[INFO] [stdout] 4427b505077fa0d8d6069b9181bb85d8a1aee85515d3056ee04803a87d5c0b45