[INFO] fetching crate protobuf 2.18.0...
[INFO] testing protobuf-2.18.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate protobuf 2.18.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate protobuf 2.18.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf 2.18.0
[INFO] finished tweaking crates.io crate protobuf 2.18.0
[INFO] tweaked toml for crates.io crate protobuf 2.18.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a7bdb86e201e9d6554c9f3affd8485a623c08bc368535f489200ec9c953a128
[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" "0a7bdb86e201e9d6554c9f3affd8485a623c08bc368535f489200ec9c953a128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a7bdb86e201e9d6554c9f3affd8485a623c08bc368535f489200ec9c953a128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7bdb86e201e9d6554c9f3affd8485a623c08bc368535f489200ec9c953a128", kill_on_drop: false }`
[INFO] [stdout] 0a7bdb86e201e9d6554c9f3affd8485a623c08bc368535f489200ec9c953a128
[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=warn" "-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" "+1.47.0" "build" "--frozen" "--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] f56a652b79b2fb05baa2df24337d29d07d947c668d58e57a9bf095c6014ae5f5
[INFO] running `Command { std: "docker" "start" "-a" "f56a652b79b2fb05baa2df24337d29d07d947c668d58e57a9bf095c6014ae5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "f56a652b79b2fb05baa2df24337d29d07d947c668d58e57a9bf095c6014ae5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56a652b79b2fb05baa2df24337d29d07d947c668d58e57a9bf095c6014ae5f5", kill_on_drop: false }`
[INFO] [stdout] f56a652b79b2fb05baa2df24337d29d07d947c668d58e57a9bf095c6014ae5f5
[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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7b85e965c725bb9eb7886577101f9c401e9415b5326c0f60107cc1a6d5eae6
[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" "be7b85e965c725bb9eb7886577101f9c401e9415b5326c0f60107cc1a6d5eae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../../protobuf-test-common/src/hex.rs: No such file or directory (os error 2)
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | mod hex;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "be7b85e965c725bb9eb7886577101f9c401e9415b5326c0f60107cc1a6d5eae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7b85e965c725bb9eb7886577101f9c401e9415b5326c0f60107cc1a6d5eae6", kill_on_drop: false }`
[INFO] [stdout] be7b85e965c725bb9eb7886577101f9c401e9415b5326c0f60107cc1a6d5eae6
