[INFO] cloning repository https://github.com/rookie1024/Spin [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rookie1024/Spin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FSpin", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FSpin'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31597733f79cf0b07d82812821b4105ee2b79108 [INFO] documenting rookie1024/Spin against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookie1024%2FSpin" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rookie1024/Spin on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rookie1024/Spin [INFO] finished tweaking git repo https://github.com/rookie1024/Spin [INFO] tweaked toml for git repo https://github.com/rookie1024/Spin written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/rookie1024/Spin already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 ena v0.10.1 [INFO] [stderr] Downloaded docopt v1.0.2 [INFO] [stderr] Downloaded syn v0.15.18 [INFO] [stderr] Downloaded regex v1.0.5 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded diff v0.1.11 [INFO] [stderr] Downloaded opaque-debug v0.2.1 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.1 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded block-buffer v0.7.0 [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded generic-array v0.12.0 [INFO] [stderr] Downloaded either v1.5.0 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded bit-set v0.5.0 [INFO] [stderr] Downloaded itertools v0.7.8 [INFO] [stderr] Downloaded ucd-util v0.1.2 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [INFO] [stderr] Downloaded string_cache v0.7.3 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded block-padding v0.1.2 [INFO] [stderr] Downloaded byte-tools v0.3.0 [INFO] [stderr] Downloaded quote v0.6.9 [INFO] [stderr] Downloaded lalrpop-util v0.16.1 [INFO] [stderr] Downloaded lalrpop v0.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71431b9bb4b702af7305b62198be10a6c1ffbf1eab223d8c48fc6a555569d7f6 [INFO] running `Command { std: "docker" "start" "-a" "71431b9bb4b702af7305b62198be10a6c1ffbf1eab223d8c48fc6a555569d7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71431b9bb4b702af7305b62198be10a6c1ffbf1eab223d8c48fc6a555569d7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71431b9bb4b702af7305b62198be10a6c1ffbf1eab223d8c48fc6a555569d7f6", kill_on_drop: false }` [INFO] [stdout] 71431b9bb4b702af7305b62198be10a6c1ffbf1eab223d8c48fc6a555569d7f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 901b6af8c7f157e4bc05f4d16d644c664fd4551c979bc792e224c7f82e914606 [INFO] running `Command { std: "docker" "start" "-a" "901b6af8c7f157e4bc05f4d16d644c664fd4551c979bc792e224c7f82e914606", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling quote v0.6.9 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling syn v0.15.18 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.1 [INFO] [stderr] Compiling spin v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting spin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:2538:5 [INFO] [stdout] | [INFO] [stdout] 2538 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2538 - (__0) [INFO] [stdout] 2538 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:2576:5 [INFO] [stdout] | [INFO] [stdout] 2576 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2576 - (__0) [INFO] [stdout] 2576 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:2727:5 [INFO] [stdout] | [INFO] [stdout] 2727 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2727 - (__0) [INFO] [stdout] 2727 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:2913:5 [INFO] [stdout] | [INFO] [stdout] 2913 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2913 - (__0) [INFO] [stdout] 2913 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:3093:5 [INFO] [stdout] | [INFO] [stdout] 3093 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3093 - (__0) [INFO] [stdout] 3093 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/spin-8e7bcd06d1c7d288/out/grammar.rs:3227:5 [INFO] [stdout] | [INFO] [stdout] 3227 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 3227 - (__0) [INFO] [stdout] 3227 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `spin` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name spin src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=62f3d8c526c03cb6 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-a31ee29c5fbe25f2.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-9efbf3e4480f45ae.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbf1f9498597da2f.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-f57ddf6b0d0d3ea7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-34beab4ed1f0a84e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8d9ee11469f9f19d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "901b6af8c7f157e4bc05f4d16d644c664fd4551c979bc792e224c7f82e914606", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "901b6af8c7f157e4bc05f4d16d644c664fd4551c979bc792e224c7f82e914606", kill_on_drop: false }` [INFO] [stdout] 901b6af8c7f157e4bc05f4d16d644c664fd4551c979bc792e224c7f82e914606