[INFO] fetching crate protoc-grpc 0.0.0...
[INFO] checking protoc-grpc-0.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate protoc-grpc 0.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate protoc-grpc 0.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protoc-grpc 0.0.0
[INFO] finished tweaking crates.io crate protoc-grpc 0.0.0
[INFO] tweaked toml for crates.io crate protoc-grpc 0.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding grpcio-compiler v0.3.0 (latest: v0.13.0)
[INFO] [stderr]       Adding protobuf v2.0.6 (latest: v3.4.0)
[INFO] [stderr]       Adding protobuf-codegen v2.0.6 (latest: v3.4.0)
[INFO] [stderr]       Adding protoc v2.0.6 (latest: v2.28.0)
[INFO] [stderr]       Adding protoc-rust v2.0.6 (latest: v2.28.0)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grpcio-compiler v0.3.0
[INFO] [stderr]   Downloaded protoc v2.0.6
[INFO] [stderr]   Downloaded protoc-rust v2.0.6
[INFO] [stderr]   Downloaded protobuf v2.0.6
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19739385d96d5803e96caa199bf8a77502a779d98911b285153406402428c700
[INFO] running `Command { std: "docker" "start" "-a" "19739385d96d5803e96caa199bf8a77502a779d98911b285153406402428c700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19739385d96d5803e96caa199bf8a77502a779d98911b285153406402428c700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19739385d96d5803e96caa199bf8a77502a779d98911b285153406402428c700", kill_on_drop: false }`
[INFO] [stdout] 19739385d96d5803e96caa199bf8a77502a779d98911b285153406402428c700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f72574ba9cd6888de28e392e1eda0a0bb6c3b8234ce66d46dfbd60a1f7c82d
[INFO] running `Command { std: "docker" "start" "-a" "97f72574ba9cd6888de28e392e1eda0a0bb6c3b8234ce66d46dfbd60a1f7c82d", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking protoc v2.0.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking protobuf-codegen v2.0.6
[INFO] [stderr]     Checking grpcio-compiler v0.3.0
[INFO] [stderr]     Checking protoc-rust v2.0.6
[INFO] [stderr]     Checking protoc-grpc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "97f72574ba9cd6888de28e392e1eda0a0bb6c3b8234ce66d46dfbd60a1f7c82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f72574ba9cd6888de28e392e1eda0a0bb6c3b8234ce66d46dfbd60a1f7c82d", kill_on_drop: false }`
[INFO] [stdout] 97f72574ba9cd6888de28e392e1eda0a0bb6c3b8234ce66d46dfbd60a1f7c82d
[INFO] checking protoc-grpc-0.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate protoc-grpc 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate protoc-grpc 0.0.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protoc-grpc 0.0.0
[INFO] finished tweaking crates.io crate protoc-grpc 0.0.0
[INFO] tweaked toml for crates.io crate protoc-grpc 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding grpcio-compiler v0.3.0 (latest: v0.13.0)
[INFO] [stderr]       Adding protobuf v2.0.6 (latest: v3.4.0)
[INFO] [stderr]       Adding protobuf-codegen v2.0.6 (latest: v3.4.0)
[INFO] [stderr]       Adding protoc v2.0.6 (latest: v2.28.0)
[INFO] [stderr]       Adding protoc-rust v2.0.6 (latest: v2.28.0)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08393e2069964eaa3a6053fbdd49972ce5400c116ac66c0006a5e131a719e1da
[INFO] running `Command { std: "docker" "start" "-a" "08393e2069964eaa3a6053fbdd49972ce5400c116ac66c0006a5e131a719e1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08393e2069964eaa3a6053fbdd49972ce5400c116ac66c0006a5e131a719e1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08393e2069964eaa3a6053fbdd49972ce5400c116ac66c0006a5e131a719e1da", kill_on_drop: false }`
[INFO] [stdout] 08393e2069964eaa3a6053fbdd49972ce5400c116ac66c0006a5e131a719e1da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f24b16c84a7c5589b9fcec5f17990fddec224571b8bd39315935cb943998a9
[INFO] running `Command { std: "docker" "start" "-a" "63f24b16c84a7c5589b9fcec5f17990fddec224571b8bd39315935cb943998a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.0.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking protoc v2.0.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking protobuf-codegen v2.0.6
[INFO] [stderr]     Checking grpcio-compiler v0.3.0
[INFO] [stderr]     Checking protoc-rust v2.0.6
[INFO] [stderr]     Checking protoc-grpc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "63f24b16c84a7c5589b9fcec5f17990fddec224571b8bd39315935cb943998a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f24b16c84a7c5589b9fcec5f17990fddec224571b8bd39315935cb943998a9", kill_on_drop: false }`
[INFO] [stdout] 63f24b16c84a7c5589b9fcec5f17990fddec224571b8bd39315935cb943998a9