[INFO] fetching crate cargo-src 0.1.8...
[INFO] documenting cargo-src-0.1.8 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate cargo-src 0.1.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-src 0.1.8 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-src 0.1.8
[INFO] finished tweaking crates.io crate cargo-src 0.1.8
[INFO] tweaked toml for crates.io crate cargo-src 0.1.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-src 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded pest v1.0.6
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[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded derive-new v0.5.8
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[INFO] [stderr]   Downloaded atty v0.2.13
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[INFO] [stderr]   Downloaded rls-span v0.4.1
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[INFO] [stderr]   Downloaded walkdir v2.2.9
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[INFO] [stderr]   Downloaded rls-vfs v0.4.6
[INFO] [stderr]   Downloaded radix_trie v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e26af23e3d5172185e36a8d6c2f20d23489f559b4d024fc19eeed41db1dbb07
[INFO] running `Command { std: "docker" "start" "-a" "3e26af23e3d5172185e36a8d6c2f20d23489f559b4d024fc19eeed41db1dbb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e26af23e3d5172185e36a8d6c2f20d23489f559b4d024fc19eeed41db1dbb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e26af23e3d5172185e36a8d6c2f20d23489f559b4d024fc19eeed41db1dbb07", kill_on_drop: false }`
[INFO] [stdout] 3e26af23e3d5172185e36a8d6c2f20d23489f559b4d024fc19eeed41db1dbb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e06428d748dd8e0bf506200cf7ba42277ecbd701e0083405b2e56189331ab6
[INFO] running `Command { std: "docker" "start" "-a" "81e06428d748dd8e0bf506200cf7ba42277ecbd701e0083405b2e56189331ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
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[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ryu v1.0.2
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[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
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[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking rls-span v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
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[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking radix_trie v0.1.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling cargo-src v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rls-data v0.16.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking rls-analysis v0.13.0
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-analysis-0.13.0/src/lib.rs:396:31
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     .collect(): Vec<Span>
[INFO] [stdout]     |                               ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-analysis-0.13.0/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rls-vfs v0.4.6
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking rustdoc-highlight v0.1.10
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rls-vfs-0.4.6/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_parse`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustdoc-highlight-0.1.10/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate rustc_parse;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustdoc-highlight-0.1.10/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rls-analysis` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `syntax_expand`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustdoc-highlight-0.1.10/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate syntax_expand;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax_pos`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustdoc-highlight-0.1.10/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate syntax_pos;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustdoc-highlight-0.1.10/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(rustc_private)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rls-vfs` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustdoc-highlight` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "81e06428d748dd8e0bf506200cf7ba42277ecbd701e0083405b2e56189331ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e06428d748dd8e0bf506200cf7ba42277ecbd701e0083405b2e56189331ab6", kill_on_drop: false }`
[INFO] [stdout] 81e06428d748dd8e0bf506200cf7ba42277ecbd701e0083405b2e56189331ab6
