[INFO] fetching crate reaper-low 0.1.0...
[INFO] checking reaper-low-0.1.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate reaper-low 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate reaper-low 0.1.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reaper-low 0.1.0
[INFO] finished tweaking crates.io crate reaper-low 0.1.0
[INFO] tweaked toml for crates.io crate reaper-low 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b71d10dcd73d3902e95db1e5fe3f98ba88b97000f3cb44971ee2279bb681d2
[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" "f6b71d10dcd73d3902e95db1e5fe3f98ba88b97000f3cb44971ee2279bb681d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b71d10dcd73d3902e95db1e5fe3f98ba88b97000f3cb44971ee2279bb681d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b71d10dcd73d3902e95db1e5fe3f98ba88b97000f3cb44971ee2279bb681d2", kill_on_drop: false }`
[INFO] [stdout] f6b71d10dcd73d3902e95db1e5fe3f98ba88b97000f3cb44971ee2279bb681d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebed2cf7c62c39c3f39c3ff3c94946026ed048c768cda689cf503f1160a67966
[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" "ebed2cf7c62c39c3f39c3ff3c94946026ed048c768cda689cf503f1160a67966", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking c_str_macro v1.0.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling reaper-low v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vst v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `Command { std: "docker" "inspect" "ebed2cf7c62c39c3f39c3ff3c94946026ed048c768cda689cf503f1160a67966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebed2cf7c62c39c3f39c3ff3c94946026ed048c768cda689cf503f1160a67966", kill_on_drop: false }`
[INFO] [stdout] ebed2cf7c62c39c3f39c3ff3c94946026ed048c768cda689cf503f1160a67966