[INFO] cloning repository https://github.com/comicfans/comix-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comicfans/comix-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Fcomix-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomicfans%2Fcomix-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3145f0fa1207440c519c409ad597de323e7adeb1
[INFO] documenting comicfans/comix-server-rust 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%2Fcomicfans%2Fcomix-server-rust" "/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/comicfans/comix-server-rust 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] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/comicfans/comix-server-rust
[INFO] finished tweaking git repo https://github.com/comicfans/comix-server-rust
[INFO] tweaked toml for git repo https://github.com/comicfans/comix-server-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/comicfans/comix-server-rust 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]     Updating git repository `https://github.com/comicfans/unarr.rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded hyper v0.12.28
[INFO] [stderr]   Downloaded image v0.21.1
[INFO] [stderr]   Downloaded lru v0.1.15
[INFO] [stderr]   Downloaded relative-path v0.4.0
[INFO] [stderr]   Downloaded tokio v0.1.19
[INFO] [stderr]   Downloaded simple_logger v1.2.0
[INFO] [stderr]   Downloaded tree_magic v0.2.1
[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" "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] fd7b9c8addce713bdbb25e589e6fa6eb32eef9995c3feca59f70b12a857153fd
[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" "fd7b9c8addce713bdbb25e589e6fa6eb32eef9995c3feca59f70b12a857153fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd7b9c8addce713bdbb25e589e6fa6eb32eef9995c3feca59f70b12a857153fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7b9c8addce713bdbb25e589e6fa6eb32eef9995c3feca59f70b12a857153fd", kill_on_drop: false }`
[INFO] [stdout] fd7b9c8addce713bdbb25e589e6fa6eb32eef9995c3feca59f70b12a857153fd
[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" "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] 991fb6ab7daebdccbefc04faba7898cc71a4ce88480cbd9f1d0a61f494a4801b
[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" "991fb6ab7daebdccbefc04faba7898cc71a4ce88480cbd9f1d0a61f494a4801b", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling unarr_sys v0.1.0 (https://github.com/comicfans/unarr_sys.git#d4a14409)
[INFO] [stderr]     Checking ffi v0.0.2
[INFO] [stderr]     Checking relative-path v0.4.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking lru v0.1.15
[INFO] [stderr]     Checking magic v0.12.2
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.2.0
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking unarr v0.1.0 (https://github.com/comicfans/unarr.rs.git#1f64737c)
[INFO] [stderr]  Documenting archive-cache v0.1.0 (/opt/rustwide/workdir)
[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(nll)]
[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 `archive-cache`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name archive_cache 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 chardet=/opt/rustwide/target/debug/deps/libchardet-92a17457f82dde3c.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-5c4f21121dca4042.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-12744ff7b608adc2.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-2372899d9b7bf627.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-8770ab6923909142.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ea8c23e1ba7a59c0.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-b2f11846de0b95d0.rmeta --extern magic=/opt/rustwide/target/debug/deps/libmagic-5b739f34c628b2da.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-c82d1f024b84d762.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-22e774c759521aa5.rmeta --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-7af16c84451bad4a.rmeta --extern relative_path=/opt/rustwide/target/debug/deps/librelative_path-145dc1f4318047bb.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-8d7178b30c56a474.rmeta --extern tree_magic=/opt/rustwide/target/debug/deps/libtree_magic-8ddb289518aa54a5.rmeta --extern unarr=/opt/rustwide/target/debug/deps/libunarr-9707f08c1fa2b8b5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "991fb6ab7daebdccbefc04faba7898cc71a4ce88480cbd9f1d0a61f494a4801b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991fb6ab7daebdccbefc04faba7898cc71a4ce88480cbd9f1d0a61f494a4801b", kill_on_drop: false }`
[INFO] [stdout] 991fb6ab7daebdccbefc04faba7898cc71a4ce88480cbd9f1d0a61f494a4801b