[INFO] fetching crate tp-blockchain 2.0.2...
[INFO] documenting tp-blockchain-2.0.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate tp-blockchain 2.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tp-blockchain 2.0.2 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 tp-blockchain 2.0.2
[INFO] finished tweaking crates.io crate tp-blockchain 2.0.2
[INFO] tweaked toml for crates.io crate tp-blockchain 2.0.2 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 8317846e9fc248cdc767e51d9b55114a903def91ec962ee342698ede4c95401f
[INFO] running `Command { std: "docker" "start" "-a" "8317846e9fc248cdc767e51d9b55114a903def91ec962ee342698ede4c95401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8317846e9fc248cdc767e51d9b55114a903def91ec962ee342698ede4c95401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8317846e9fc248cdc767e51d9b55114a903def91ec962ee342698ede4c95401f", kill_on_drop: false }`
[INFO] [stdout] 8317846e9fc248cdc767e51d9b55114a903def91ec962ee342698ede4c95401f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7230225569f2c003a9eab7a74153c438414c94ab14cbd861d38f544563f1cab0
[INFO] running `Command { std: "docker" "start" "-a" "7230225569f2c003a9eab7a74153c438414c94ab14cbd861d38f544563f1cab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking tetcore-std v2.1.2
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking uint-crate v0.9.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking tetsy-trie-root v0.16.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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 futures-macro v0.3.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling debug-derive v2.1.2
[INFO] [stderr]    Compiling tetsy-util-mem-derive v0.1.1
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[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]    Compiling tetsy-libp2p-core-derive v0.21.1
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.127/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 --cfg 'feature="default"' -C metadata=cda0e2487557ef90 -C extra-filename=-cda0e2487557ef90 --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 --cfg underscore_consts` (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" "7230225569f2c003a9eab7a74153c438414c94ab14cbd861d38f544563f1cab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7230225569f2c003a9eab7a74153c438414c94ab14cbd861d38f544563f1cab0", kill_on_drop: false }`
[INFO] [stdout] 7230225569f2c003a9eab7a74153c438414c94ab14cbd861d38f544563f1cab0
