[INFO] cloning repository https://github.com/losvedir/elixir_parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/losvedir/elixir_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Felixir_parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Felixir_parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5bdab4fb0d8bcc6de8c95a736db815796e4a3231 [INFO] documenting losvedir/elixir_parser against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Felixir_parser" "/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/losvedir/elixir_parser on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/losvedir/elixir_parser [INFO] finished tweaking git repo https://github.com/losvedir/elixir_parser [INFO] tweaked toml for git repo https://github.com/losvedir/elixir_parser written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/losvedir/elixir_parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byte-tools v0.3.0 [INFO] [stderr] Downloaded lalrpop-util v0.16.2 [INFO] [stderr] Downloaded lalrpop v0.16.2 [INFO] [stderr] Downloaded ena v0.10.1 [INFO] [stderr] Downloaded block-padding v0.1.2 [INFO] [stderr] Downloaded opaque-debug v0.2.1 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d04e042d928a37f0603301562cd6acfba320b87a688022a7c663eb925a41e94 [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" "8d04e042d928a37f0603301562cd6acfba320b87a688022a7c663eb925a41e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d04e042d928a37f0603301562cd6acfba320b87a688022a7c663eb925a41e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d04e042d928a37f0603301562cd6acfba320b87a688022a7c663eb925a41e94", kill_on_drop: false }` [INFO] [stdout] 8d04e042d928a37f0603301562cd6acfba320b87a688022a7c663eb925a41e94 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 922002656e9124ebe7d63aa547b0c28668641cce36ddbaa46cc303f1caae1c03 [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" "922002656e9124ebe7d63aa547b0c28668641cce36ddbaa46cc303f1caae1c03", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling serde v1.0.84 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling lalrpop-util v0.16.2 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling syn v0.15.24 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.84 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.2 [INFO] [stderr] Compiling elixir_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting elixir_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lexer.rs:487:5 [INFO] [stdout] | [INFO] [stdout] 487 | (t1 == &'&' && t2 == &'&') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lexer.rs:491:5 [INFO] [stdout] | [INFO] [stdout] 491 | (t1 == &'|' && t2 == &'|') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lexer.rs:511:5 [INFO] [stdout] | [INFO] [stdout] 511 | (t1 == &'-' && t2 == &'>') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lexer.rs:515:5 [INFO] [stdout] | [INFO] [stdout] 515 | (t1 == &':' && t2 == &':') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "922002656e9124ebe7d63aa547b0c28668641cce36ddbaa46cc303f1caae1c03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922002656e9124ebe7d63aa547b0c28668641cce36ddbaa46cc303f1caae1c03", kill_on_drop: false }` [INFO] [stdout] 922002656e9124ebe7d63aa547b0c28668641cce36ddbaa46cc303f1caae1c03