[INFO] fetching crate accepted 0.3.2...
[INFO] documenting accepted-0.3.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate accepted 0.3.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate accepted 0.3.2 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 accepted 0.3.2
[INFO] finished tweaking crates.io crate accepted 0.3.2
[INFO] tweaked toml for crates.io crate accepted 0.3.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate accepted 0.3.2 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 489c955ff8480d3fa02d5f384678f4a27762ca65b9bca9d4eb1b2905bf8b6ff7
[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" "489c955ff8480d3fa02d5f384678f4a27762ca65b9bca9d4eb1b2905bf8b6ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489c955ff8480d3fa02d5f384678f4a27762ca65b9bca9d4eb1b2905bf8b6ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489c955ff8480d3fa02d5f384678f4a27762ca65b9bca9d4eb1b2905bf8b6ff7", kill_on_drop: false }`
[INFO] [stdout] 489c955ff8480d3fa02d5f384678f4a27762ca65b9bca9d4eb1b2905bf8b6ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ad454402d5b5a2af93ac222d6c7487d175f62417968dc80e4bc84076b3995273
[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" "ad454402d5b5a2af93ac222d6c7487d175f62417968dc80e4bc84076b3995273", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fuzzy-matcher v0.3.4
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking ropey v1.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rbtag_derive v0.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking rbtag v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking plist v0.4.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking lsp-types v0.71.0
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking onig v5.0.0
[INFO] [stderr]     Checking syntect v3.3.0
[INFO] [stderr]     Checking accepted v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting accepted v0.3.2 (/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(bound_cloned)]
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `accepted`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name accepted 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 aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-53d707d6db0dd6c9.rmeta --extern ansi_colours=/opt/rustwide/target/debug/deps/libansi_colours-4b72339412eb3eb2.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-66d371ca61aa1656.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-1b8287f9c09a4989.so --extern clap=/opt/rustwide/target/debug/deps/libclap-d4a587b550fd2910.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-2619b86116d25fc5.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-63eb90d731df5e09.rmeta --extern fuzzy_matcher=/opt/rustwide/target/debug/deps/libfuzzy_matcher-b74b8add633aa41a.rmeta --extern iter_read=/opt/rustwide/target/debug/deps/libiter_read-e913bb261487e1ad.rmeta --extern jsonrpc_core=/opt/rustwide/target/debug/deps/libjsonrpc_core-2ac08a37d67c9abb.rmeta --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-92ec1ca1f9ec5e76.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-2c7313ea22669a90.rmeta --extern rbtag=/opt/rustwide/target/debug/deps/librbtag-e511c86c560c537d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-e11cdf900b0cb0ba.rmeta --extern ropey=/opt/rustwide/target/debug/deps/libropey-8ffbefbd71640d54.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2f039b6030643469.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-34d5aad4829e3809.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71167957fde90b48.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-758ef0747c54ecc0.rmeta --extern syntect=/opt/rustwide/target/debug/deps/libsyntect-c4e7c41490cc5afc.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-bc2ea5e6bb90a801.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e53e2003cfc1e532.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-ae4149639423dd47.rmeta --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-f2a39968f6df1643.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-3222964405a33db5.rmeta --cap-lints=warn` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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(bound_cloned)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "ad454402d5b5a2af93ac222d6c7487d175f62417968dc80e4bc84076b3995273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad454402d5b5a2af93ac222d6c7487d175f62417968dc80e4bc84076b3995273", kill_on_drop: false }`
[INFO] [stdout] ad454402d5b5a2af93ac222d6c7487d175f62417968dc80e4bc84076b3995273