[INFO] cloning repository https://github.com/PaulGrandperrin/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulGrandperrin/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 572ff41ccdfa72771a37fd9ab89f37e9b5451041 [INFO] documenting PaulGrandperrin/playground against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fplayground" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PaulGrandperrin/playground on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PaulGrandperrin/playground [INFO] finished tweaking git repo https://github.com/PaulGrandperrin/playground [INFO] tweaked toml for git repo https://github.com/PaulGrandperrin/playground written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/PaulGrandperrin/playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4ab2d09eed7c748bb102336630219f6adbe069c67893bd58a5c91f7c96119cb [INFO] running `Command { std: "docker" "start" "-a" "f4ab2d09eed7c748bb102336630219f6adbe069c67893bd58a5c91f7c96119cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4ab2d09eed7c748bb102336630219f6adbe069c67893bd58a5c91f7c96119cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ab2d09eed7c748bb102336630219f6adbe069c67893bd58a5c91f7c96119cb", kill_on_drop: false }` [INFO] [stdout] f4ab2d09eed7c748bb102336630219f6adbe069c67893bd58a5c91f7c96119cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7572ee2fcf7a24019040682db3cbd381db963edac22dc049f69e2b833f4bd02 [INFO] running `Command { std: "docker" "start" "-a" "b7572ee2fcf7a24019040682db3cbd381db963edac22dc049f69e2b833f4bd02", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking color-backtrace v0.1.3 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Documenting playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![feature( [INFO] [stdout] 2 | | trivial_bounds, [INFO] [stdout] 3 | | try_from, [INFO] [stdout] 4 | | non_exhaustive, [INFO] [stdout] ... | [INFO] [stdout] 8 | | never_type [INFO] [stdout] 9 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] = help: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/algorithm.rs:302:20 [INFO] [stdout] | [INFO] [stdout] 302 | if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 302 - if (num_of_candidates_for_cur_child > BUF_SIZE) { // BIG TODO find a better heuristic [INFO] [stdout] 302 + if num_of_candidates_for_cur_child > BUF_SIZE { // BIG TODO find a better heuristic [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/non_volatile/object/tree/internal_node.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | _p: std::marker::PhantomData<(K)>, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - _p: std::marker::PhantomData<(K)>, [INFO] [stdout] 45 + _p: std::marker::PhantomData, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 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 `playground` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name playground src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=e5ae743d3576633f -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-3fed3c35137676d3.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c8b4342c68d44ace.rmeta --extern color_backtrace=/opt/rustwide/target/debug/deps/libcolor_backtrace-704da3d370419d34.rmeta --extern exitfailure=/opt/rustwide/target/debug/deps/libexitfailure-3051dda93fc94a86.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-8497af68ed248e7e.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0a1479e859b3412a.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-bf4735342df7bc93.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-67b24cca5c098a31.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "b7572ee2fcf7a24019040682db3cbd381db963edac22dc049f69e2b833f4bd02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7572ee2fcf7a24019040682db3cbd381db963edac22dc049f69e2b833f4bd02", kill_on_drop: false }` [INFO] [stdout] b7572ee2fcf7a24019040682db3cbd381db963edac22dc049f69e2b833f4bd02