[INFO] cloning repository https://github.com/fbielejec/exercise-6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbielejec/exercise-6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fexercise-6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fexercise-6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01ccd3b6def4287d0e2d46957e6d029857deee3a
[INFO] documenting fbielejec/exercise-6/01ccd3b6def4287d0e2d46957e6d029857deee3a against 1.90.0 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbielejec%2Fexercise-6" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fbielejec/exercise-6
[INFO] finished tweaking git repo https://github.com/fbielejec/exercise-6
[INFO] tweaked toml for git repo https://github.com/fbielejec/exercise-6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fbielejec/exercise-6 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] crate git repo https://github.com/fbielejec/exercise-6 already has a lockfile, it will not be regenerated
[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]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 50cb9504076bd67a08edcd93d5e70f5645fece7b0e94dc373d80d4bf169ff529
[INFO] running `Command { std: "docker" "start" "-a" "50cb9504076bd67a08edcd93d5e70f5645fece7b0e94dc373d80d4bf169ff529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50cb9504076bd67a08edcd93d5e70f5645fece7b0e94dc373d80d4bf169ff529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cb9504076bd67a08edcd93d5e70f5645fece7b0e94dc373d80d4bf169ff529", kill_on_drop: false }`
[INFO] [stdout] 50cb9504076bd67a08edcd93d5e70f5645fece7b0e94dc373d80d4bf169ff529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497a49a32e9deee585676f18d788dcee5ef7751e86ef85f1a2aaae5e64249764
[INFO] running `Command { std: "docker" "start" "-a" "497a49a32e9deee585676f18d788dcee5ef7751e86ef85f1a2aaae5e64249764", kill_on_drop: false }`
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[INFO] [stderr]     Checking file-per-thread-logger v0.1.4
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v3.0.0 (https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.8#1b758b2a)
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking minicbor v0.8.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking rand_distr v0.4.1
[INFO] [stderr]     Checking futures-rustls v0.21.1
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking asynchronous-codec v0.6.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking asynchronous-codec v0.5.0
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking yamux v0.9.0
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking libp2p-pnet v0.20.0
[INFO] [stderr]     Checking sp-utils v3.0.0 (https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.8#1b758b2a)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "497a49a32e9deee585676f18d788dcee5ef7751e86ef85f1a2aaae5e64249764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497a49a32e9deee585676f18d788dcee5ef7751e86ef85f1a2aaae5e64249764", kill_on_drop: false }`
[INFO] [stdout] 497a49a32e9deee585676f18d788dcee5ef7751e86ef85f1a2aaae5e64249764
