[INFO] fetching crate tokio-sink 0.0.0...
[INFO] checking tokio-sink-0.0.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate tokio-sink 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-sink 0.0.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-sink 0.0.0
[INFO] finished tweaking crates.io crate tokio-sink 0.0.0
[INFO] tweaked toml for crates.io crate tokio-sink 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 266e29366017668b1eaabf349f427a2b69380fd638995f3f431c55770bc7b1fe
[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" "266e29366017668b1eaabf349f427a2b69380fd638995f3f431c55770bc7b1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266e29366017668b1eaabf349f427a2b69380fd638995f3f431c55770bc7b1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266e29366017668b1eaabf349f427a2b69380fd638995f3f431c55770bc7b1fe", kill_on_drop: false }`
[INFO] [stdout] 266e29366017668b1eaabf349f427a2b69380fd638995f3f431c55770bc7b1fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b12fe42b47f8a4097469fad403cc194e98cee27be063f9ff616f004f05c5d4e
[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" "6b12fe42b47f8a4097469fad403cc194e98cee27be063f9ff616f004f05c5d4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tokio-sink v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6b12fe42b47f8a4097469fad403cc194e98cee27be063f9ff616f004f05c5d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12fe42b47f8a4097469fad403cc194e98cee27be063f9ff616f004f05c5d4e", kill_on_drop: false }`
[INFO] [stdout] 6b12fe42b47f8a4097469fad403cc194e98cee27be063f9ff616f004f05c5d4e