[INFO] cloning repository https://github.com/hatoo/Accepted
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hatoo/Accepted" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2FAccepted", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2FAccepted'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca0ee10fcab358920fdc3c5060e31374479bee75
[INFO] documenting hatoo/Accepted against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhatoo%2FAccepted" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hatoo/Accepted on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hatoo/Accepted
[INFO] finished tweaking git repo https://github.com/hatoo/Accepted
[INFO] tweaked toml for git repo https://github.com/hatoo/Accepted written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/hatoo/Accepted already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded iter-read v0.2.1
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.4
[INFO] [stderr]   Downloaded plist v0.4.2
[INFO] [stderr]   Downloaded ropey v1.1.0
[INFO] [stderr]   Downloaded syntect v3.3.0
[INFO] [stderr]   Downloaded rbtag_derive v0.3.0
[INFO] [stderr]   Downloaded rbtag v0.3.0
[INFO] [stderr]   Downloaded lsp-types v0.71.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e1b71fc51684049aebe8141539dc44e4a9f8780316a43e5adf88ebba259c7ae
[INFO] running `Command { std: "docker" "start" "-a" "0e1b71fc51684049aebe8141539dc44e4a9f8780316a43e5adf88ebba259c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e1b71fc51684049aebe8141539dc44e4a9f8780316a43e5adf88ebba259c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1b71fc51684049aebe8141539dc44e4a9f8780316a43e5adf88ebba259c7ae", kill_on_drop: false }`
[INFO] [stdout] 0e1b71fc51684049aebe8141539dc44e4a9f8780316a43e5adf88ebba259c7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce27ab9abb1ff21fc956bdb2ee1b5c526ded3f3644b8aee9e9893d74adffc3cb
[INFO] running `Command { std: "docker" "start" "-a" "ce27ab9abb1ff21fc956bdb2ee1b5c526ded3f3644b8aee9e9893d74adffc3cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fuzzy-matcher v0.3.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ropey v1.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rbtag_derive v0.3.0
[INFO] [stderr]     Checking rayon v1.3.0
[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 tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking plist v0.4.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking lsp-types v0.71.0
[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-6c50a09972f8b062.rmeta --extern ansi_colours=/opt/rustwide/target/debug/deps/libansi_colours-c6481c8b8fe5f641.rmeta --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b441cd3fad4fa43c.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-39cbcd4783bdca6f.so --extern clap=/opt/rustwide/target/debug/deps/libclap-9c3e61dbf4d85c6d.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-27179e3a8a44a185.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-5e021950a582fbb0.rmeta --extern fuzzy_matcher=/opt/rustwide/target/debug/deps/libfuzzy_matcher-668beb3979d57b91.rmeta --extern iter_read=/opt/rustwide/target/debug/deps/libiter_read-0a8413914851d408.rmeta --extern jsonrpc_core=/opt/rustwide/target/debug/deps/libjsonrpc_core-0e61673d8b4d7c63.rmeta --extern lsp_types=/opt/rustwide/target/debug/deps/liblsp_types-84e8cdb66f2249cd.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-a6cd4390ba01c356.rmeta --extern rbtag=/opt/rustwide/target/debug/deps/librbtag-dba281e631758a2c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-76b80d0e7500e834.rmeta --extern ropey=/opt/rustwide/target/debug/deps/libropey-b4e31ab87967d81e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b392883977afbe3d.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-53c2d24f75b0ae9b.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-90b64608a92d8c8d.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-e6eb5270d1bf6243.rmeta --extern syntect=/opt/rustwide/target/debug/deps/libsyntect-ef4cfb8b750796dc.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-9914680076b50039.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b4e6f9bd73a9bd61.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-151fba352c8a4a6a.rmeta --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-392dc0fca1114c84.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-32f4124dc8f825eb.rmeta --cap-lints=warn --crate-version 0.3.2` (exit status: 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" "ce27ab9abb1ff21fc956bdb2ee1b5c526ded3f3644b8aee9e9893d74adffc3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce27ab9abb1ff21fc956bdb2ee1b5c526ded3f3644b8aee9e9893d74adffc3cb", kill_on_drop: false }`
[INFO] [stdout] ce27ab9abb1ff21fc956bdb2ee1b5c526ded3f3644b8aee9e9893d74adffc3cb
