[INFO] fetching crate loader-rs 0.7.0... [INFO] documenting loader-rs-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate loader-rs 0.7.0 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate loader-rs 0.7.0 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] removed /workspace/builds/worker-18/source/rust-toolchain [INFO] started tweaking crates.io crate loader-rs 0.7.0 [INFO] finished tweaking crates.io crate loader-rs 0.7.0 [INFO] tweaked toml for crates.io crate loader-rs 0.7.0 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ace78b7ae129fc52e0c877027f4aa760e5c68bc1f242c15f805ae88336e28fc1 [INFO] running `Command { std: "docker" "start" "-a" "ace78b7ae129fc52e0c877027f4aa760e5c68bc1f242c15f805ae88336e28fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ace78b7ae129fc52e0c877027f4aa760e5c68bc1f242c15f805ae88336e28fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ace78b7ae129fc52e0c877027f4aa760e5c68bc1f242c15f805ae88336e28fc1", kill_on_drop: false }` [INFO] [stdout] ace78b7ae129fc52e0c877027f4aa760e5c68bc1f242c15f805ae88336e28fc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] fbf23bab60b9d221aabbabeb2de44e2647e14b2831a991a1536c5c66ac8a1e6c [INFO] running `Command { std: "docker" "start" "-a" "fbf23bab60b9d221aabbabeb2de44e2647e14b2831a991a1536c5c66ac8a1e6c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling openssl v0.10.40 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling cached_proc_macro_types v0.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking async_once v0.2.6 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking strum v0.24.0 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking http v0.2.7 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling openssl-sys v0.9.73 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking async-compression v0.3.14 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling cached_proc_macro v0.12.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking cached v0.34.0 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Documenting loader-rs v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(incomplete_features)]` implied by `#[warn(warnings)]` [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning 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 `loader-rs` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name loader_rs src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c4148309c805c65c -L dependency=/opt/rustwide/target/debug/deps --extern cached=/opt/rustwide/target/debug/deps/libcached-4cdf2d55f7a16d99.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-4b50ed37c654c066.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-5745e604f5a9a025.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-d67b98fbefe7095a.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-cacbab5195524209.so --extern url=/opt/rustwide/target/debug/deps/liburl-ba9206a02be69ed2.rmeta --cap-lints=warn --crate-version 0.7.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "fbf23bab60b9d221aabbabeb2de44e2647e14b2831a991a1536c5c66ac8a1e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbf23bab60b9d221aabbabeb2de44e2647e14b2831a991a1536c5c66ac8a1e6c", kill_on_drop: false }` [INFO] [stdout] fbf23bab60b9d221aabbabeb2de44e2647e14b2831a991a1536c5c66ac8a1e6c