[INFO] cloning repository https://github.com/soaxelbrooke/phrase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soaxelbrooke/phrase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc2c383dfa3d38f5d7761af81a64d64675a1382
[INFO] documenting soaxelbrooke/phrase against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoaxelbrooke%2Fphrase" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soaxelbrooke/phrase on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] finished tweaking git repo https://github.com/soaxelbrooke/phrase
[INFO] tweaked toml for git repo https://github.com/soaxelbrooke/phrase written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/soaxelbrooke/phrase already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb2af41b41ee5dead081873b58c9d14cd75eec9e9f0cf1bac87ba51f9b8d5cf1
[INFO] running `Command { std: "docker" "start" "-a" "bb2af41b41ee5dead081873b58c9d14cd75eec9e9f0cf1bac87ba51f9b8d5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2af41b41ee5dead081873b58c9d14cd75eec9e9f0cf1bac87ba51f9b8d5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2af41b41ee5dead081873b58c9d14cd75eec9e9f0cf1bac87ba51f9b8d5cf1", kill_on_drop: false }`
[INFO] [stdout] bb2af41b41ee5dead081873b58c9d14cd75eec9e9f0cf1bac87ba51f9b8d5cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5e0a592687f3f587c5d71f41751db6334e3118550bba1bbd861c3c087e9ee63
[INFO] running `Command { std: "docker" "start" "-a" "a5e0a592687f3f587c5d71f41751db6334e3118550bba1bbd861c3c087e9ee63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
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[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking inlinable_string v0.1.14
[INFO] [stderr]    Compiling encoding_rs v0.8.29
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[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
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[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking unicode-width v0.1.7
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[INFO] [stderr]    Compiling const_fn v0.4.8
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[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
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[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.7.0
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]     Checking pear v0.2.3
[INFO] [stderr]    Compiling hyper v0.14.15
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.1
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]  Documenting phrase v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro)]
[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 `phrase`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name phrase src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f89284420350c82b -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-7e13afc359287422.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-1317157c852af4fc.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-3d7c2d1c3356a435.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-70b818a7c301a434.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f115c091d543e6ab.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-92f2c79c4825c5d5.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-c7cb650d35c499c1.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-183a88fd3543a71a.rmeta --extern rocket=/opt/rustwide/target/debug/deps/librocket-1c37b6b4d559bf5b.rmeta --extern rust_stemmers=/opt/rustwide/target/debug/deps/librust_stemmers-a9309d9ba7fb67e1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f607e2a21e4b0f33.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-66275aaa7f4e9263.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5678e919e7e8e6b7.rmeta --cap-lints=warn --crate-version 0.3.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a5e0a592687f3f587c5d71f41751db6334e3118550bba1bbd861c3c087e9ee63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e0a592687f3f587c5d71f41751db6334e3118550bba1bbd861c3c087e9ee63", kill_on_drop: false }`
[INFO] [stdout] a5e0a592687f3f587c5d71f41751db6334e3118550bba1bbd861c3c087e9ee63