[INFO] fetching crate killswitch 0.2.1...
[INFO] checking killswitch-0.2.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate killswitch 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate killswitch 0.2.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate killswitch 0.2.1
[INFO] finished tweaking crates.io crate killswitch 0.2.1
[INFO] tweaked toml for crates.io crate killswitch 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d7e30ccbe7590ccc56ec8e7f457759f557c29a0eb2412f04fb68e59c294660a
[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" "3d7e30ccbe7590ccc56ec8e7f457759f557c29a0eb2412f04fb68e59c294660a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d7e30ccbe7590ccc56ec8e7f457759f557c29a0eb2412f04fb68e59c294660a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7e30ccbe7590ccc56ec8e7f457759f557c29a0eb2412f04fb68e59c294660a", kill_on_drop: false }`
[INFO] [stdout] 3d7e30ccbe7590ccc56ec8e7f457759f557c29a0eb2412f04fb68e59c294660a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] b81cfacd81484eb13208481cd1394fb413a86587933757cab7873ca6fc1562dd
[INFO] running `Command { std: "docker" "start" "-a" "b81cfacd81484eb13208481cd1394fb413a86587933757cab7873ca6fc1562dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking killswitch v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "b81cfacd81484eb13208481cd1394fb413a86587933757cab7873ca6fc1562dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81cfacd81484eb13208481cd1394fb413a86587933757cab7873ca6fc1562dd", kill_on_drop: false }`
[INFO] [stdout] b81cfacd81484eb13208481cd1394fb413a86587933757cab7873ca6fc1562dd