[INFO] cloning repository https://github.com/thefzsalam/dvm-ng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thefzsalam/dvm-ng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefzsalam%2Fdvm-ng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefzsalam%2Fdvm-ng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18bbcbab98d251a36f71c98885217c09be596232
[INFO] documenting thefzsalam/dvm-ng against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthefzsalam%2Fdvm-ng" "/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/thefzsalam/dvm-ng on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thefzsalam/dvm-ng
[INFO] finished tweaking git repo https://github.com/thefzsalam/dvm-ng
[INFO] tweaked toml for git repo https://github.com/thefzsalam/dvm-ng written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/thefzsalam/dvm-ng already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gtk v0.4.0
[INFO] [stderr]   Downloaded diesel v1.2.2
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded diesel_derives v1.2.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.8.1
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e250fb4635b3c03cbabfaff83b2653dc579da6cf289b9d8922fec75e69ebaee
[INFO] running `Command { std: "docker" "start" "-a" "9e250fb4635b3c03cbabfaff83b2653dc579da6cf289b9d8922fec75e69ebaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e250fb4635b3c03cbabfaff83b2653dc579da6cf289b9d8922fec75e69ebaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e250fb4635b3c03cbabfaff83b2653dc579da6cf289b9d8922fec75e69ebaee", kill_on_drop: false }`
[INFO] [stdout] 9e250fb4635b3c03cbabfaff83b2653dc579da6cf289b9d8922fec75e69ebaee
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1581a5b2833eacc3487cfed8bcf3acd7305f410ce7b17a97c0178c96d702c75
[INFO] running `Command { std: "docker" "start" "-a" "d1581a5b2833eacc3487cfed8bcf3acd7305f410ce7b17a97c0178c96d702c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling gio v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking c_vec v1.3.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling gtk v0.4.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gio-sys v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.6.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.6.0
[INFO] [stderr]    Compiling pango-sys v0.6.0
[INFO] [stderr]    Compiling gdk-sys v0.6.0
[INFO] [stderr]    Compiling atk-sys v0.6.0
[INFO] [stderr]    Compiling gtk-sys v0.6.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking glib v0.5.0
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking pango v0.4.0
[INFO] [stderr]    Compiling diesel_derives v1.2.0
[INFO] [stderr]     Checking diesel v1.2.2
[INFO] [stderr]  Documenting dvm-ng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(arbitrary_self_types)]
[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 `dvm-ng`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name dvm_ng src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4e369403289db3ab -L dependency=/opt/rustwide/target/debug/deps --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-1f16a5b608d0de14.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-28277db895b9f1b3.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-462158e595aa4c7a.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-0af4fc951e6dfb6e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d1581a5b2833eacc3487cfed8bcf3acd7305f410ce7b17a97c0178c96d702c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1581a5b2833eacc3487cfed8bcf3acd7305f410ce7b17a97c0178c96d702c75", kill_on_drop: false }`
[INFO] [stdout] d1581a5b2833eacc3487cfed8bcf3acd7305f410ce7b17a97c0178c96d702c75