[INFO] fetching crate niftygate 0.6.0...
[INFO] documenting niftygate-0.6.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate niftygate 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate niftygate 0.6.0 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 niftygate 0.6.0
[INFO] finished tweaking crates.io crate niftygate 0.6.0
[INFO] tweaked toml for crates.io crate niftygate 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate niftygate 0.6.0 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 97b65af7b12d2bdf0a93e09799d187bd34760dc21a2c01dded4d010c6de227dd
[INFO] running `Command { std: "docker" "start" "-a" "97b65af7b12d2bdf0a93e09799d187bd34760dc21a2c01dded4d010c6de227dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b65af7b12d2bdf0a93e09799d187bd34760dc21a2c01dded4d010c6de227dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b65af7b12d2bdf0a93e09799d187bd34760dc21a2c01dded4d010c6de227dd", kill_on_drop: false }`
[INFO] [stdout] 97b65af7b12d2bdf0a93e09799d187bd34760dc21a2c01dded4d010c6de227dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ab2fbbbb96a687c8a02fb8b9384f28e6e29fc71b941afba0bdfa7a3402b4b908
[INFO] running `Command { std: "docker" "start" "-a" "ab2fbbbb96a687c8a02fb8b9384f28e6e29fc71b941afba0bdfa7a3402b4b908", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling http-types v2.11.1
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]     Checking zeroize v1.4.0
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling secp256k1-sys v0.4.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking tinyvec v1.3.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking signal-hook v0.3.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking byte-pool v0.2.3
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking blake3 v0.3.8
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]    Compiling secp256k1 v0.20.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking rustls v0.18.1
[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=8f6a355af7715e07 -C extra-filename=-8f6a355af7715e07 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-299b9ca6a9d0cc38.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d0075634733a88c2.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c0efa8bd1c394f52.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" "ab2fbbbb96a687c8a02fb8b9384f28e6e29fc71b941afba0bdfa7a3402b4b908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2fbbbb96a687c8a02fb8b9384f28e6e29fc71b941afba0bdfa7a3402b4b908", kill_on_drop: false }`
[INFO] [stdout] ab2fbbbb96a687c8a02fb8b9384f28e6e29fc71b941afba0bdfa7a3402b4b908
