[INFO] cloning repository https://github.com/jorpic/tla-ui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorpic/tla-ui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorpic%2Ftla-ui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorpic%2Ftla-ui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f4ce1f690ccf6bd741a83579bd85ef18f5df8fb
[INFO] documenting jorpic/tla-ui 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%2Fjorpic%2Ftla-ui" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jorpic/tla-ui 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/jorpic/tla-ui
[INFO] finished tweaking git repo https://github.com/jorpic/tla-ui
[INFO] tweaked toml for git repo https://github.com/jorpic/tla-ui written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jorpic/tla-ui 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] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-14/source/tla-web/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-14/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0a45be1e96830bba8658fc1bd7c18662fe940923adb9591cc60033015af4460e
[INFO] running `Command { std: "docker" "start" "-a" "0a45be1e96830bba8658fc1bd7c18662fe940923adb9591cc60033015af4460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a45be1e96830bba8658fc1bd7c18662fe940923adb9591cc60033015af4460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a45be1e96830bba8658fc1bd7c18662fe940923adb9591cc60033015af4460e", kill_on_drop: false }`
[INFO] [stdout] 0a45be1e96830bba8658fc1bd7c18662fe940923adb9591cc60033015af4460e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] debd8bef4338265f30d2cc829f7ea96d104c414c82e048c19c326ca525e66584
[INFO] running `Command { std: "docker" "start" "-a" "debd8bef4338265f30d2cc829f7ea96d104c414c82e048c19c326ca525e66584", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/tla-web/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling wee_alloc v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking tla-parser v0.1.0 (/opt/rustwide/workdir/tla-parser)
[INFO] [stderr]  Documenting tla-parser v0.1.0 (/opt/rustwide/workdir/tla-parser)
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tla-parser/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted)]
[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 `tla-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name tla_parser tla-parser/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 unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-7df306539200d65a.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]  --> tla-parser/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted)]
[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" "debd8bef4338265f30d2cc829f7ea96d104c414c82e048c19c326ca525e66584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debd8bef4338265f30d2cc829f7ea96d104c414c82e048c19c326ca525e66584", kill_on_drop: false }`
[INFO] [stdout] debd8bef4338265f30d2cc829f7ea96d104c414c82e048c19c326ca525e66584
