[INFO] fetching crate rucene 0.1.1... [INFO] documenting rucene-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] extracting crate rucene 0.1.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate rucene 0.1.1 on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rucene 0.1.1 [INFO] finished tweaking crates.io crate rucene 0.1.1 [INFO] tweaked toml for crates.io crate rucene 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate rucene 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61867c68b4b5b46c2156fa4b923444f2104d776d78be9fb5583313da0e684129 [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" "61867c68b4b5b46c2156fa4b923444f2104d776d78be9fb5583313da0e684129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61867c68b4b5b46c2156fa4b923444f2104d776d78be9fb5583313da0e684129", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61867c68b4b5b46c2156fa4b923444f2104d776d78be9fb5583313da0e684129", kill_on_drop: false }` [INFO] [stdout] 61867c68b4b5b46c2156fa4b923444f2104d776d78be9fb5583313da0e684129 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43c1539554fed62e7d71a791a60ed4813ba4db1ee7239740a696f78aabfae60b [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" "43c1539554fed62e7d71a791a60ed4813ba4db1ee7239740a696f78aabfae60b", kill_on_drop: false }` [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Compiling fasthash v0.3.2 [INFO] [stderr] Checking seahash v3.0.6 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Checking unicode_reader v0.1.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking chan-signal v0.3.3 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Documenting rucene v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(exact_size_is_empty)] [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:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | #![feature(drain_filter)] [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:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #![feature(hashmap_internals)] [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:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | #![feature(integer_atomics)] [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:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | #![feature(vec_remove_item)] [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:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | #![feature(specialization)] [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:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(fn_traits)] [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:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | #![feature(maybe_uninit_ref)] [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:27:1 [INFO] [stdout] | [INFO] [stdout] 27 | #![feature(maybe_uninit_extra)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 10 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: Could not document `rucene`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name rucene src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-6d64c9de8ec8b357.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c12152694fd988b8.rmeta --extern chan=/opt/rustwide/target/debug/deps/libchan-e5518c29d3716e58.rmeta --extern chan_signal=/opt/rustwide/target/debug/deps/libchan_signal-3a14a19d7a3f4de5.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-049daef7dbdf2941.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-18c80ce6a2079cb1.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-9bd75207ce9b518c.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-73607c18ec2f12b5.rmeta --extern fasthash=/opt/rustwide/target/debug/deps/libfasthash-3568cee880a91c79.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-a7199cf741c5b3df.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8323f990c1bf056d.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-d0c59647c796546b.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1d4e95c5a8748d93.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-e4cf720112d3e2ea.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-e724f47cf6dec420.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c2e74a24c8593f30.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4e5f3e360e0c732b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-751d2c624cb7691c.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-47cb5acc008ab65d.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-6511d81a3fb95ca0.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-3f5fd6664798816d.rmeta --extern unicode_reader=/opt/rustwide/target/debug/deps/libunicode_reader-a294a3d9f12bf460.rmeta --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "43c1539554fed62e7d71a791a60ed4813ba4db1ee7239740a696f78aabfae60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43c1539554fed62e7d71a791a60ed4813ba4db1ee7239740a696f78aabfae60b", kill_on_drop: false }` [INFO] [stdout] 43c1539554fed62e7d71a791a60ed4813ba4db1ee7239740a696f78aabfae60b