[INFO] cloning repository https://github.com/foldu/iv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foldu/iv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoldu%2Fiv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoldu%2Fiv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fcd836130bcdd268765f5080755b576a7d6908f
[INFO] documenting foldu/iv 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%2Ffoldu%2Fiv" "/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/foldu/iv 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/foldu/iv
[INFO] finished tweaking git repo https://github.com/foldu/iv
[INFO] tweaked toml for git repo https://github.com/foldu/iv written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/foldu/iv 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] 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" "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] 06a223a77c5439820180386bc9865388501456e7705907855a651e83013f9e4c
[INFO] running `Command { std: "docker" "start" "-a" "06a223a77c5439820180386bc9865388501456e7705907855a651e83013f9e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a223a77c5439820180386bc9865388501456e7705907855a651e83013f9e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a223a77c5439820180386bc9865388501456e7705907855a651e83013f9e4c", kill_on_drop: false }`
[INFO] [stdout] 06a223a77c5439820180386bc9865388501456e7705907855a651e83013f9e4c
[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" "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] 07086bb6910facb0cfad186b3492c6e263f4ff8b85c332a6f28dc3f4e57caf50
[INFO] running `Command { std: "docker" "start" "-a" "07086bb6910facb0cfad186b3492c6e263f4ff8b85c332a6f28dc3f4e57caf50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking magic v0.12.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking noisy_float v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking glib v0.8.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting iv v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]
[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: could not document `iv`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name iv src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8c1988d10a901bb9 -L dependency=/opt/rustwide/target/debug/deps --extern directories=/opt/rustwide/target/debug/deps/libdirectories-e692239be2c33e83.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-b0f25cf14917f18f.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-fdbfce3d7b09ea96.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-4dc5da03e8d582c9.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-adf62e9dece0890f.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-4667f11090d79c31.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-390f476a5200d310.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-ad17ca95941297a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e09483f06bd0852f.rmeta --extern magic=/opt/rustwide/target/debug/deps/libmagic-2f3c0eb50742b4c6.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-e3e887754a3d4403.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-65190c0952e96cc5.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-5843f8f3dcc724e9.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-def8777bb10fcac2.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-809fc983467cef5b.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-baadee21e349170f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-05f35d6af0879900.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-096a78aa9429abcb.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-745a7c0a7af3354c.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-75a38403913672f8.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-b7df624736279dfd.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-4382293244c9e07f.rmeta --extern zip=/opt/rustwide/target/debug/deps/libzip-461c7abd25a1718e.rmeta --cap-lints=warn --crate-version 0.3.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "07086bb6910facb0cfad186b3492c6e263f4ff8b85c332a6f28dc3f4e57caf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07086bb6910facb0cfad186b3492c6e263f4ff8b85c332a6f28dc3f4e57caf50", kill_on_drop: false }`
[INFO] [stdout] 07086bb6910facb0cfad186b3492c6e263f4ff8b85c332a6f28dc3f4e57caf50