[INFO] cloning repository https://github.com/mmstick/fontfinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmstick/fontfinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a92f6b896881e50e2ca1f0faf9216be0734bb91
[INFO] documenting mmstick/fontfinder against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Ffontfinder" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmstick/fontfinder on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmstick/fontfinder
[INFO] finished tweaking git repo https://github.com/mmstick/fontfinder
[INFO] tweaked toml for git repo https://github.com/mmstick/fontfinder written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mmstick/fontfinder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cab940a6b330e393923052edf4fba5e8523c06e1dc5af6b67b6707929197c37
[INFO] running `Command { std: "docker" "start" "-a" "7cab940a6b330e393923052edf4fba5e8523c06e1dc5af6b67b6707929197c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cab940a6b330e393923052edf4fba5e8523c06e1dc5af6b67b6707929197c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cab940a6b330e393923052edf4fba5e8523c06e1dc5af6b67b6707929197c37", kill_on_drop: false }`
[INFO] [stdout] 7cab940a6b330e393923052edf4fba5e8523c06e1dc5af6b67b6707929197c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45c88c695cb42497857eb833feadf548e17e298798ebdda45f68adeb67dbc3d
[INFO] running `Command { std: "docker" "start" "-a" "c45c88c695cb42497857eb833feadf548e17e298798ebdda45f68adeb67dbc3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking horrorshow v0.8.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling type-map v0.4.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling ouroboros_macro v0.9.5
[INFO] [stderr]    Compiling rust-embed-impl v5.9.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling rust-embed v5.9.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling fluent-syntax v0.11.0
[INFO] [stderr]    Compiling ouroboros v0.9.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking intl_pluralrules v7.0.1
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking intl-memoizer v0.5.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking fluent-bundle v0.15.1
[INFO] [stderr]     Checking ureq v2.2.0
[INFO] [stderr]     Checking fluent v0.15.0
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling i18n-config v0.4.2
[INFO] [stderr]    Compiling i18n-embed-impl v0.7.0
[INFO] [stderr]    Compiling i18n-embed v0.12.1
[INFO] [stderr]    Compiling i18n-embed-fl v0.5.0
[INFO] [stderr]  Documenting fontfinder v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0670]: `async fn` is not permitted in Rust 2015
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub async fn run_fc_cache() {
[INFO] [stdout]    |     ^^^^^ to use `async fn`, switch to Rust 2018 or later
[INFO] [stdout]    |
[INFO] [stdout]    = help: set `edition = "2021"` in `Cargo.toml`
[INFO] [stdout]    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `itertools`
[INFO] [stdout]  --> src/fonts.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^ maybe a missing crate `itertools`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `i18n_embed`?
[INFO] [stdout]  --> src/localize.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use i18n_embed::{
[INFO] [stdout]   |     ^^^^^^^^^^ maybe a missing crate `i18n_embed`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `itertools`
[INFO] [stdout]  --> src/html.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::sorted;
[INFO] [stdout]   |     ^^^^^^^^^ maybe a missing crate `itertools`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `once_cell`?
[INFO] [stdout]  --> src/localize.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^ maybe a missing crate `once_cell`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `i18n_embed`
[INFO] [stdout]  --> src/localize.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use i18n_embed::{
[INFO] [stdout]   |     ^^^^^^^^^^ maybe a missing crate `i18n_embed`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rust_embed`
[INFO] [stdout]  --> src/localize.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rust_embed::RustEmbed;
[INFO] [stdout]   |     ^^^^^^^^^^ maybe a missing crate `rust_embed`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_process`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use async_process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^ maybe a missing crate `async_process`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `RustEmbed`
[INFO] [stdout]  --> src/localize.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(RustEmbed)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `folder` in this scope
[INFO] [stdout]  --> src/localize.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[folder = "i18n/"]
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fluent_language_loader`
[INFO] [stdout]   --> src/localize.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let loader: FluentLanguageLoader = fluent_language_loader!();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0670.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fontfinder`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name fontfinder src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=17091bfd708750e3 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-54553145b98c6eed.rmeta --extern async_process=/opt/rustwide/target/debug/deps/libasync_process-689f949e4957b830.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-ecf22efcbc58f87a.rmeta --extern horrorshow=/opt/rustwide/target/debug/deps/libhorrorshow-dfe4e5d0ab9e214e.rmeta --extern i18n_embed=/opt/rustwide/target/debug/deps/libi18n_embed-34c9456a33b295d4.rmeta --extern i18n_embed_fl=/opt/rustwide/target/debug/deps/libi18n_embed_fl-4d6edd42bb3e26fa.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5dfc9fd0ade52842.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-805a3c0d3c2b3516.rmeta --extern rust_embed=/opt/rustwide/target/debug/deps/librust_embed-671ce459dba69f5e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-209055f2a8b1cd97.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-49f79236183e8838.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-4b077c0af2f8b50d.rmeta --cap-lints=warn --crate-version 2.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c45c88c695cb42497857eb833feadf548e17e298798ebdda45f68adeb67dbc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45c88c695cb42497857eb833feadf548e17e298798ebdda45f68adeb67dbc3d", kill_on_drop: false }`
[INFO] [stdout] c45c88c695cb42497857eb833feadf548e17e298798ebdda45f68adeb67dbc3d