[INFO] fetching crate fabric_contract 0.1.4...
[INFO] testing fabric_contract-0.1.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate fabric_contract 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fabric_contract 0.1.4
[INFO] finished tweaking crates.io crate fabric_contract 0.1.4
[INFO] tweaked toml for crates.io crate fabric_contract 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fabric_contract 0.1.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v1.0.1 (available: v1.5.0)
[INFO] [stderr]       Adding claim v0.3.1 (available: v0.5.0)
[INFO] [stderr]       Adding mockall v0.7.2 (available: v0.13.1)
[INFO] [stderr]       Adding prost v0.6.1 (available: v0.14.1)
[INFO] [stderr]       Adding prost-build v0.6.1 (available: v0.14.1)
[INFO] [stderr]       Adding protobuf v2.28.0 (available: v3.7.2)
[INFO] [stderr]       Adding wapc-guest v0.3.2 (available: v1.2.0)
[INFO] [stderr]       Adding wasm-bindgen-test v0.2.50 (available: v0.3.54)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded wapc-guest v0.3.2
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded fabric_contract_macros v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded claim v0.3.1
[INFO] [stderr]   Downloaded fabric_ledger_protos v0.7.0
[INFO] [stderr]   Downloaded mockall v0.7.2
[INFO] [stderr]   Downloaded mockall_derive v0.7.2
[INFO] [stderr]   Downloaded fragile v2.0.1
[INFO] [stderr]   Downloaded fragile v1.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 102e704eb2d35576e8b3bfdce25a5937ce189d9d5484cae114b6a7de02987b99
[INFO] running `Command { std: "docker" "start" "-a" "102e704eb2d35576e8b3bfdce25a5937ce189d9d5484cae114b6a7de02987b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102e704eb2d35576e8b3bfdce25a5937ce189d9d5484cae114b6a7de02987b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102e704eb2d35576e8b3bfdce25a5937ce189d9d5484cae114b6a7de02987b99", kill_on_drop: false }`
[INFO] [stdout] 102e704eb2d35576e8b3bfdce25a5937ce189d9d5484cae114b6a7de02987b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb9d052b723a4b47d89c9829c373a9af49c41b765631fbf3bf15d5992f9bf05c
[INFO] running `Command { std: "docker" "start" "-a" "fb9d052b723a4b47d89c9829c373a9af49c41b765631fbf3bf15d5992f9bf05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling wapc-guest v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling fabric_ledger_protos v0.7.0
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric_ledger_protos-0.7.0/src/common_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric_ledger_protos-0.7.0/src/contract_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fabric_ledger_protos-0.7.0/src/ledger_messages.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fabric_ledger_protos` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fb9d052b723a4b47d89c9829c373a9af49c41b765631fbf3bf15d5992f9bf05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9d052b723a4b47d89c9829c373a9af49c41b765631fbf3bf15d5992f9bf05c", kill_on_drop: false }`
[INFO] [stdout] fb9d052b723a4b47d89c9829c373a9af49c41b765631fbf3bf15d5992f9bf05c
