[INFO] cloning repository https://github.com/matterinc/plasma_winter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matterinc/plasma_winter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 923297a9ac6bae1a2923b36354686ed5b824949e [INFO] documenting matterinc/plasma_winter against 1.46.0 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matterinc/plasma_winter on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matterinc/plasma_winter [INFO] finished tweaking git repo https://github.com/matterinc/plasma_winter [INFO] tweaked toml for git repo https://github.com/matterinc/plasma_winter written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/matterinc/plasma_winter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] fe9b6cc6190c4591f4bec8318bb3b11473b22dfb65ce33228d5b6b796d4e1653 [INFO] running `Command { std: "docker" "start" "-a" "fe9b6cc6190c4591f4bec8318bb3b11473b22dfb65ce33228d5b6b796d4e1653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe9b6cc6190c4591f4bec8318bb3b11473b22dfb65ce33228d5b6b796d4e1653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe9b6cc6190c4591f4bec8318bb3b11473b22dfb65ce33228d5b6b796d4e1653", kill_on_drop: false }` [INFO] [stdout] fe9b6cc6190c4591f4bec8318bb3b11473b22dfb65ce33228d5b6b796d4e1653 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8036e2d9eb3aeaa584feb50494f42de923421ed08fe4b12631c0db6ca319b26a [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" "8036e2d9eb3aeaa584feb50494f42de923421ed08fe4b12631c0db6ca319b26a", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Compiling serde v1.0.81 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking rustc-hex v2.0.1 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling num-bigint v0.2.1 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking arc-swap v0.3.6 [INFO] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Checking askama_escape v0.1.0 [INFO] [stderr] Checking rustc-hex v1.0.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling secp256k1 v0.11.5 [INFO] [stderr] Compiling actix-web v0.7.15 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Checking resolv-conf v0.6.1 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking signal-hook v0.1.6 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9) [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking memchr v2.1.1 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking elastic-array v0.10.0 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking hyper v0.10.15 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rand v0.6.1 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking crossbeam-channel v0.3.2 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam v0.5.0 [INFO] [stderr] Checking parking_lot v0.7.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Compiling ff_derive v0.3.0 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking tokio-tls v0.2.0 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking ethereum-types-serialize v0.2.1 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking hyper v0.12.17 [INFO] [stderr] Checking ethbloom v0.5.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking ethereum-types v0.4.0 [INFO] [stderr] Checking tokio-uds v0.1.7 [INFO] [stderr] Checking websocket v0.21.1 [INFO] [stderr] Checking ff v0.4.0 [INFO] [stderr] Checking pairing v0.15.0 (https://github.com/matterinc/pairing#1363d021) [INFO] [stderr] Checking rlp v0.2.4 [INFO] [stderr] Checking rlp v0.3.0 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.81 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking bellman v0.1.1 (https://github.com/matterinc/bellman#e544678a) [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking sapling-crypto v0.0.2 (https://github.com/matterinc/sapling-crypto#97b0b901) [INFO] [stderr] Checking trust-dns-resolver v0.10.0 [INFO] [stderr] Checking actix v0.7.8 [INFO] [stderr] Checking actix-net v0.2.4 [INFO] [stderr] Checking ethabi v6.1.0 [INFO] [stderr] Checking jsonrpc-core v8.0.1 [INFO] [stderr] Checking ethereum-tx-sign v0.0.2 [INFO] [stderr] Checking web3 v0.5.1 (https://github.com/tomusdrw/rust-web3#8a2cfff9) [INFO] [stderr] Checking plasma v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting plasma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/baby_prover.rs:92:35 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn create(initial_state: &State) -> [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn State` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/account_manager/rest_api.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = hyper::Error> + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/eth/mod.rs:22:45 [INFO] [stdout] | [INFO] [stdout] 22 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/demo_server/rest_api.rs:74:57 [INFO] [stdout] | [INFO] [stdout] 74 | fn send_transaction(req: &HttpRequest) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/server/baby_prover.rs:55:34 [INFO] [stdout] | [INFO] [stdout] 55 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/baby_prover.rs:245:17 [INFO] [stdout] | [INFO] [stdout] 245 | let mut tree = & mut self.accounts_tree; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/baby_prover.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | let mut items = tree.items.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server/baby_prover.rs:290:17 [INFO] [stdout] | [INFO] [stdout] 290 | let mut transaction : Transaction = Transaction { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/server/eth/signer.rs:73:22 [INFO] [stdout] | [INFO] [stdout] 73 | keccak256(bytes).into_iter().cloned().collect() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: Could not document `plasma`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name plasma src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-8c86a1c86eee847b.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-3e4ce1f6890906c8.rmeta --extern bellman=/opt/rustwide/target/debug/deps/libbellman-983bc23fefb01902.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-6daf8ff1e4cdbf7b.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-1175d5f526004040.rmeta --extern ethabi=/opt/rustwide/target/debug/deps/libethabi-94900b794cf4f8c3.rmeta --extern ethereum_tx_sign=/opt/rustwide/target/debug/deps/libethereum_tx_sign-540f7f8352f66226.rmeta --extern ethereum_types=/opt/rustwide/target/debug/deps/libethereum_types-c05bccf475a981aa.rmeta --extern ff=/opt/rustwide/target/debug/deps/libff-cefead57123a56f2.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-7722d5952f112cf5.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-59ccd87bc3e8590d.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-53f164f294ba72e7.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-c4c99eb62be651d1.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-6acabfc1c4a8efe7.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-51a350c19ef42447.rmeta --extern pairing=/opt/rustwide/target/debug/deps/libpairing-800ec880077524e1.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6ccf5801d2be833a.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-dc2f9f60ff874fb1.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-80d9658ec8f3710f.rmeta --extern rlp=/opt/rustwide/target/debug/deps/librlp-bb6df331ddcd0a74.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-dd0aec5434327d66.rmeta --extern rustc_hex=/opt/rustwide/target/debug/deps/librustc_hex-4bf5d034f8293a9e.rmeta --extern sapling_crypto=/opt/rustwide/target/debug/deps/libsapling_crypto-164791fd136e96e5.rmeta --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-1ae3a7c788e43fe8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-68c9fd9e8a0520c5.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f09314f5c134f9e2.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8ee37e5ecadf5e32.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-285bd131f0171575.rmeta --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-9c1fa82e3849f6d2.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3132258afc12519c.rmeta --extern web3=/opt/rustwide/target/debug/deps/libweb3-3bbda55dcb8cc665.rmeta --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" "8036e2d9eb3aeaa584feb50494f42de923421ed08fe4b12631c0db6ca319b26a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8036e2d9eb3aeaa584feb50494f42de923421ed08fe4b12631c0db6ca319b26a", kill_on_drop: false }` [INFO] [stdout] 8036e2d9eb3aeaa584feb50494f42de923421ed08fe4b12631c0db6ca319b26a