[INFO] cloning repository https://github.com/4nickel/tag-suite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4nickel/tag-suite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Ftag-suite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Ftag-suite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab8c4682969c81f00f2ffc1bf981ca49817d6545
[INFO] documenting 4nickel/tag-suite against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4nickel%2Ftag-suite" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4nickel/tag-suite on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4nickel/tag-suite
[INFO] finished tweaking git repo https://github.com/4nickel/tag-suite
[INFO] tweaked toml for git repo https://github.com/4nickel/tag-suite written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/4nickel/tag-suite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.2
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded internship v0.6.0
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded shell-escape v0.1.4
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded r2d2 v0.8.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ffbff1379445c2e7b795a59466d9791038e4a22958c1b1c6b18ed2335b25dde
[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" "9ffbff1379445c2e7b795a59466d9791038e4a22958c1b1c6b18ed2335b25dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ffbff1379445c2e7b795a59466d9791038e4a22958c1b1c6b18ed2335b25dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffbff1379445c2e7b795a59466d9791038e4a22958c1b1c6b18ed2335b25dde", kill_on_drop: false }`
[INFO] [stdout] 9ffbff1379445c2e7b795a59466d9791038e4a22958c1b1c6b18ed2335b25dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fade2d736733651b3f0cbf257436680b7cfb04ea7015bc800ada3e3f46df94f
[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" "7fade2d736733651b3f0cbf257436680b7cfb04ea7015bc800ada3e3f46df94f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]     Checking r2d2 v0.8.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking internship v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking tag-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tag-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `XDG_CONFIG_HOME` not defined
[INFO] [stdout]   --> src/lib.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub const CONFIG_HOME: &'static str = env!("XDG_CONFIG_HOME");
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `XDG_DATA_HOME` not defined
[INFO] [stdout]   --> src/lib.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub const DATA_HOME: &'static str = env!("XDG_DATA_HOME");
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `XDG_CONFIG_HOME` not defined
[INFO] [stdout]   --> src/lib.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub const CONFIG_HOME: &'static str = env!("XDG_CONFIG_HOME");
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `XDG_DATA_HOME` not defined
[INFO] [stdout]   --> src/lib.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub const DATA_HOME: &'static str = env!("XDG_DATA_HOME");
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, const_fn, type_alias_enum_variants, box_syntax, rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, const_fn, type_alias_enum_variants, box_syntax, rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `tag-suite`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tag_suite 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 chrono=/opt/rustwide/target/debug/deps/libchrono-994140ab2f3e2682.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-47d2469a64e723a3.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-1f8854a96f24be89.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ead75989b8ed30ff.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-e0c5a99351cd3fdd.rmeta --extern internship=/opt/rustwide/target/debug/deps/libinternship-b44fcd560c9200cb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-e7a5334333f0716d.rmeta --extern owning_ref=/opt/rustwide/target/debug/deps/libowning_ref-766f331fa3336eec.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-13b01f7cffee51ae.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-52b79f8303b7fab5.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d45e3341683ca099.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-1064ea6174e70353.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-6df100444d976cc4.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-c1c58d8fa6fcc8fa.rmeta --extern xattr=/opt/rustwide/target/debug/deps/libxattr-95975964a131886f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/app/data/query/mod.rs:41:75
[INFO] [stdout]    |
[INFO] [stdout] 41 |         #[inline(always)] pub fn has_none(&self)                -> bool { (self.0 == 0u8) }
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/model/file_tag.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type SqlType = <(file_tags::file_id) as Expression>::SqlType;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[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" "7fade2d736733651b3f0cbf257436680b7cfb04ea7015bc800ada3e3f46df94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fade2d736733651b3f0cbf257436680b7cfb04ea7015bc800ada3e3f46df94f", kill_on_drop: false }`
[INFO] [stdout] 7fade2d736733651b3f0cbf257436680b7cfb04ea7015bc800ada3e3f46df94f