[INFO] cloning repository https://github.com/DCubix/Twen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DCubix/Twen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCubix%2FTwen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72f220dc0d1c22983f13ecd8a3e43f6985e435f6
[INFO] documenting DCubix/Twen 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%2FDCubix%2FTwen" "/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/DCubix/Twen 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/DCubix/Twen
[INFO] finished tweaking git repo https://github.com/DCubix/Twen
[INFO] tweaked toml for git repo https://github.com/DCubix/Twen written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/DCubix/Twen 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]     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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ccdd7178db877515dbf913fd01a7cab9a73fe5f7d3fa564414fffe7c0a9d2a7
[INFO] running `Command { std: "docker" "start" "-a" "5ccdd7178db877515dbf913fd01a7cab9a73fe5f7d3fa564414fffe7c0a9d2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ccdd7178db877515dbf913fd01a7cab9a73fe5f7d3fa564414fffe7c0a9d2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccdd7178db877515dbf913fd01a7cab9a73fe5f7d3fa564414fffe7c0a9d2a7", kill_on_drop: false }`
[INFO] [stdout] 5ccdd7178db877515dbf913fd01a7cab9a73fe5f7d3fa564414fffe7c0a9d2a7
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361c335500d56c70552567e5061cb3f3acce955038deb31c08f3c3b48ac18e57
[INFO] running `Command { std: "docker" "start" "-a" "361c335500d56c70552567e5061cb3f3acce955038deb31c08f3c3b48ac18e57", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.4
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking sdl2 v0.32.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]  Documenting twen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parser.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 |             'a'...'z' | 'A'...'Z' | '_' => { // Identifier
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parser.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |             'a'...'z' | 'A'...'Z' | '_' => { // Identifier
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             '-' | '0'...'9' | '.' => { // Number
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "361c335500d56c70552567e5061cb3f3acce955038deb31c08f3c3b48ac18e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361c335500d56c70552567e5061cb3f3acce955038deb31c08f3c3b48ac18e57", kill_on_drop: false }`
[INFO] [stdout] 361c335500d56c70552567e5061cb3f3acce955038deb31c08f3c3b48ac18e57