[INFO] fetching crate raft-proto 0.6.0-alpha...
[INFO] checking raft-proto-0.6.0-alpha against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate raft-proto 0.6.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate raft-proto 0.6.0-alpha on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raft-proto 0.6.0-alpha
[INFO] finished tweaking crates.io crate raft-proto 0.6.0-alpha
[INFO] tweaked toml for crates.io crate raft-proto 0.6.0-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded derive-new v0.5.8
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.20.0
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded grpcio-compiler v0.5.0
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded protobuf v2.20.0
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded protobuf-build v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8e88aa5c829518d3d01389ff95e4cbf561fc9fcf96db6c627aa3ceca4343db8
[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" "b8e88aa5c829518d3d01389ff95e4cbf561fc9fcf96db6c627aa3ceca4343db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e88aa5c829518d3d01389ff95e4cbf561fc9fcf96db6c627aa3ceca4343db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e88aa5c829518d3d01389ff95e4cbf561fc9fcf96db6c627aa3ceca4343db8", kill_on_drop: false }`
[INFO] [stdout] b8e88aa5c829518d3d01389ff95e4cbf561fc9fcf96db6c627aa3ceca4343db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bcf0cc926cb1c61702cfa0c1dbff71082634297e50ea105d648b3b9b464bba
[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" "c0bcf0cc926cb1c61702cfa0c1dbff71082634297e50ea105d648b3b9b464bba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling protobuf-codegen v2.20.0
[INFO] [stderr]    Compiling protobuf-build v0.8.0
[INFO] [stderr]    Compiling raft-proto v0.6.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.67s
[INFO] running `Command { std: "docker" "inspect" "c0bcf0cc926cb1c61702cfa0c1dbff71082634297e50ea105d648b3b9b464bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bcf0cc926cb1c61702cfa0c1dbff71082634297e50ea105d648b3b9b464bba", kill_on_drop: false }`
[INFO] [stdout] c0bcf0cc926cb1c61702cfa0c1dbff71082634297e50ea105d648b3b9b464bba