[INFO] fetching crate termcandy 0.1.0... [INFO] documenting termcandy-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate termcandy 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate termcandy 0.1.0 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 crates.io crate termcandy 0.1.0 [INFO] finished tweaking crates.io crate termcandy 0.1.0 [INFO] tweaked toml for crates.io crate termcandy 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-signal v0.2.9 [INFO] [stderr] Downloaded termcandy-macros v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2f5996bd04cfbe7d442e6baa75209d4914facf052ee470528e00ee607759ae45 [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" "2f5996bd04cfbe7d442e6baa75209d4914facf052ee470528e00ee607759ae45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f5996bd04cfbe7d442e6baa75209d4914facf052ee470528e00ee607759ae45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f5996bd04cfbe7d442e6baa75209d4914facf052ee470528e00ee607759ae45", kill_on_drop: false }` [INFO] [stdout] 2f5996bd04cfbe7d442e6baa75209d4914facf052ee470528e00ee607759ae45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a6e175f02ee1a5ca189562fb6067cd91169e59390a8187040e9b3f1100af54f0 [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" "a6e175f02ee1a5ca189562fb6067cd91169e59390a8187040e9b3f1100af54f0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-signal v0.2.9 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling termcandy-macros v0.1.0 [INFO] [stderr] Documenting termcandy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(generators)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![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:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [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 5 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 `termcandy` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name termcandy src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9faa00253848c9b3 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-2f7603e0f06a44b9.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-34937b916995a2ad.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4e90763dd2291129.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-11fcf639aa746c8b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-cd6d0c557d710a14.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-85676563150d8dd1.rmeta --extern termcandy_macros=/opt/rustwide/target/debug/deps/libtermcandy_macros-c04294a774e818b9.so --extern termion=/opt/rustwide/target/debug/deps/libtermion-ccf6d9e10480801d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-11e36354e113a951.rmeta --extern tokio_signal=/opt/rustwide/target/debug/deps/libtokio_signal-5fce11d2a7d8876f.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-6b6dfc73d9148d18.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "a6e175f02ee1a5ca189562fb6067cd91169e59390a8187040e9b3f1100af54f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e175f02ee1a5ca189562fb6067cd91169e59390a8187040e9b3f1100af54f0", kill_on_drop: false }` [INFO] [stdout] a6e175f02ee1a5ca189562fb6067cd91169e59390a8187040e9b3f1100af54f0