[INFO] fetching crate gemblockchain 0.2.1...
[INFO] checking gemblockchain-0.2.1 against try#1b0139f5bdae7328e6d232947a8112333bb44eeb for pr-93394
[INFO] extracting crate gemblockchain 0.2.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate gemblockchain 0.2.1 on toolchain 1b0139f5bdae7328e6d232947a8112333bb44eeb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gemblockchain 0.2.1
[INFO] finished tweaking crates.io crate gemblockchain 0.2.1
[INFO] tweaked toml for crates.io crate gemblockchain 0.2.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbdf2e2d2a00a6bfd6514d5cd8f59a5fbb45aec8fafbdead77d4e641dc33da99
[INFO] running `Command { std: "docker" "start" "-a" "bbdf2e2d2a00a6bfd6514d5cd8f59a5fbb45aec8fafbdead77d4e641dc33da99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbdf2e2d2a00a6bfd6514d5cd8f59a5fbb45aec8fafbdead77d4e641dc33da99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdf2e2d2a00a6bfd6514d5cd8f59a5fbb45aec8fafbdead77d4e641dc33da99", kill_on_drop: false }`
[INFO] [stdout] bbdf2e2d2a00a6bfd6514d5cd8f59a5fbb45aec8fafbdead77d4e641dc33da99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d0eb6cd3a14728f40f70c539bdacaf9c2f356484f94df80b503d446a9f900f
[INFO] running `Command { std: "docker" "start" "-a" "16d0eb6cd3a14728f40f70c539bdacaf9c2f356484f94df80b503d446a9f900f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking twox-hash v1.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling zeroize_derive v1.3.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[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-0.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=627ef53456fc176c -C extra-filename=-627ef53456fc176c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d937f1f82ffb437d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4040e84c0ddb8645.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-edbbf51d50b9a7bb.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (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" "16d0eb6cd3a14728f40f70c539bdacaf9c2f356484f94df80b503d446a9f900f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d0eb6cd3a14728f40f70c539bdacaf9c2f356484f94df80b503d446a9f900f", kill_on_drop: false }`
[INFO] [stdout] 16d0eb6cd3a14728f40f70c539bdacaf9c2f356484f94df80b503d446a9f900f