[INFO] cloning repository https://github.com/jackadamson/onitama
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackadamson/onitama" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackadamson%2Fonitama", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackadamson%2Fonitama'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 088fee48282c3db4e1006ee08d1fd4697865a950
[INFO] documenting jackadamson/onitama 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%2Fjackadamson%2Fonitama" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackadamson/onitama 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/jackadamson/onitama
[INFO] finished tweaking git repo https://github.com/jackadamson/onitama
[INFO] tweaked toml for git repo https://github.com/jackadamson/onitama written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jackadamson/onitama 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3b7ba1c13e05ed50905c9c12dacb1352d7b2eb7e98f27bd7f8f22ad3d1fd2f1f
[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" "3b7ba1c13e05ed50905c9c12dacb1352d7b2eb7e98f27bd7f8f22ad3d1fd2f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7ba1c13e05ed50905c9c12dacb1352d7b2eb7e98f27bd7f8f22ad3d1fd2f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7ba1c13e05ed50905c9c12dacb1352d7b2eb7e98f27bd7f8f22ad3d1fd2f1f", kill_on_drop: false }`
[INFO] [stdout] 3b7ba1c13e05ed50905c9c12dacb1352d7b2eb7e98f27bd7f8f22ad3d1fd2f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 108a0e46195cc2c717fc1fa6cd0f2a530d16673c277e857e7cb9640fd83c7a8c
[INFO] running `Command { std: "docker" "start" "-a" "108a0e46195cc2c717fc1fa6cd0f2a530d16673c277e857e7cb9640fd83c7a8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking askama_escape v0.10.1
[INFO] [stderr]     Checking http-range v0.1.4
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking actix-service v2.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_mt v4.0.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling actix-macros v0.2.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-beta.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking js-sys v0.3.51
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking local-channel v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking actix-rt v2.2.0
[INFO] [stderr]     Checking actix-server v2.0.0-beta.5
[INFO] [stderr]     Checking actix-codec v0.4.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking actix v0.12.0
[INFO] [stderr]     Checking actix-tls v3.0.0-beta.5
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking serde-wasm-bindgen v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking onitamalib v0.1.0 (/opt/rustwide/workdir/onitamalib)
[INFO] [stderr]  Documenting onitamalib v0.1.0 (/opt/rustwide/workdir/onitamalib)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> onitamalib/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_map)]
[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 `onitamalib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name onitamalib onitamalib/src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-810dd9fbe1e28608.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-0ab0f72706c2d24e.rmeta --extern enum_iterator=/opt/rustwide/target/debug/deps/libenum_iterator-48688405a9e90f62.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-8ae581fe09c9fc05.rmeta --extern instant=/opt/rustwide/target/debug/deps/libinstant-6a223bf2d52492f1.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f8abb66ffc16068c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-86f8408836355c9d.rmeta --extern rand_mt=/opt/rustwide/target/debug/deps/librand_mt-41a6fb9eea09a5d5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b2a42a9dbc8d7c1b.rmeta --extern serde_wasm_bindgen=/opt/rustwide/target/debug/deps/libserde_wasm_bindgen-469f5de291f9b33d.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-18de5e4cc613bfb1.rmeta --extern serde_cbor=/opt/rustwide/target/debug/deps/libserde_cbor-afb96cb4fcafa277.rmeta --cap-lints=warn --crate-version 0.1.0` (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]  --> onitamalib/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_map)]
[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" "108a0e46195cc2c717fc1fa6cd0f2a530d16673c277e857e7cb9640fd83c7a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108a0e46195cc2c717fc1fa6cd0f2a530d16673c277e857e7cb9640fd83c7a8c", kill_on_drop: false }`
[INFO] [stdout] 108a0e46195cc2c717fc1fa6cd0f2a530d16673c277e857e7cb9640fd83c7a8c
