[INFO] fetching crate pallet-contracts-rpc 3.0.0...
[INFO] documenting pallet-contracts-rpc-3.0.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate pallet-contracts-rpc 3.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pallet-contracts-rpc 3.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-contracts-rpc 3.0.0
[INFO] finished tweaking crates.io crate pallet-contracts-rpc 3.0.0
[INFO] tweaked toml for crates.io crate pallet-contracts-rpc 3.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 34c6818b0e5ad0ae16a37c4e4b17f0c286b28753b1ffc23ea5c09b212b53b127
[INFO] running `Command { std: "docker" "start" "-a" "34c6818b0e5ad0ae16a37c4e4b17f0c286b28753b1ffc23ea5c09b212b53b127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c6818b0e5ad0ae16a37c4e4b17f0c286b28753b1ffc23ea5c09b212b53b127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c6818b0e5ad0ae16a37c4e4b17f0c286b28753b1ffc23ea5c09b212b53b127", kill_on_drop: false }`
[INFO] [stdout] 34c6818b0e5ad0ae16a37c4e4b17f0c286b28753b1ffc23ea5c09b212b53b127
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7e7fce8fdbe277cdc4282756126b10ecb7a4efa80250366da6c3badcb96c1f
[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" "4d7e7fce8fdbe277cdc4282756126b10ecb7a4efa80250366da6c3badcb96c1f", kill_on_drop: false }`
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.2.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=6f5c35d992f9a2dc -C extra-filename=-6f5c35d992f9a2dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-369c1f9851c835c9.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-85b41d13ce251548.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a192620b6e8f1ee4.rlib --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4d7e7fce8fdbe277cdc4282756126b10ecb7a4efa80250366da6c3badcb96c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7e7fce8fdbe277cdc4282756126b10ecb7a4efa80250366da6c3badcb96c1f", kill_on_drop: false }`
[INFO] [stdout] 4d7e7fce8fdbe277cdc4282756126b10ecb7a4efa80250366da6c3badcb96c1f
