[INFO] fetching crate fabric_ledger_protos 0.7.0...
[INFO] checking fabric_ledger_protos-0.7.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate fabric_ledger_protos 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fabric_ledger_protos 0.7.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fabric_ledger_protos 0.7.0
[INFO] finished tweaking crates.io crate fabric_ledger_protos 0.7.0
[INFO] tweaked toml for crates.io crate fabric_ledger_protos 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9636d017c98407f672e6a62452f97a29ce3abaec1cdf88538e2e0d361fea7d74
[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" "9636d017c98407f672e6a62452f97a29ce3abaec1cdf88538e2e0d361fea7d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9636d017c98407f672e6a62452f97a29ce3abaec1cdf88538e2e0d361fea7d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9636d017c98407f672e6a62452f97a29ce3abaec1cdf88538e2e0d361fea7d74", kill_on_drop: false }`
[INFO] [stdout] 9636d017c98407f672e6a62452f97a29ce3abaec1cdf88538e2e0d361fea7d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eeec0475507987e8836846d51708fb617bc928e16c84a07edcf1aa65b77a04e
[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" "7eeec0475507987e8836846d51708fb617bc928e16c84a07edcf1aa65b77a04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.23.0
[INFO] [stderr]     Checking fabric_ledger_protos v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/common_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/contract_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/ledger_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]    --> src/common_messages.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/common_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]     --> src/contract_messages.rs:1328:5
[INFO] [stdout]      |
[INFO] [stdout] 1328 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/contract_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]     --> src/ledger_messages.rs:5915:5
[INFO] [stdout]      |
[INFO] [stdout] 5915 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/ledger_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]    --> src/common_messages.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]     --> src/contract_messages.rs:1328:5
[INFO] [stdout]      |
[INFO] [stdout] 1328 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]     --> src/ledger_messages.rs:5915:5
[INFO] [stdout]      |
[INFO] [stdout] 5915 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fabric_ledger_protos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7eeec0475507987e8836846d51708fb617bc928e16c84a07edcf1aa65b77a04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eeec0475507987e8836846d51708fb617bc928e16c84a07edcf1aa65b77a04e", kill_on_drop: false }`
[INFO] [stdout] 7eeec0475507987e8836846d51708fb617bc928e16c84a07edcf1aa65b77a04e