[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 1.46.0 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-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comicfans/comix-server-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/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-13/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24d7967105f482658f53327b52986a5f43a97675ea7a84a66436e2aeb3471a41
[INFO] running `Command { std: "docker" "start" "-a" "24d7967105f482658f53327b52986a5f43a97675ea7a84a66436e2aeb3471a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d7967105f482658f53327b52986a5f43a97675ea7a84a66436e2aeb3471a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d7967105f482658f53327b52986a5f43a97675ea7a84a66436e2aeb3471a41", kill_on_drop: false }`
[INFO] [stdout] 24d7967105f482658f53327b52986a5f43a97675ea7a84a66436e2aeb3471a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab9eff580684e9f3e46d66053545f959a33fae38f7c3e8c483d5db43de00721
[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" "0ab9eff580684e9f3e46d66053545f959a33fae38f7c3e8c483d5db43de00721", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[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]     Checking getopts v0.2.19
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[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 rayon v1.0.3
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.2.0
[INFO] [stderr]     Checking image v0.21.1
[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 stable 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-63488340d59f179f.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-9bd1d0bb535a9989.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-538fbf3f338c6e32.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-2fdb27e3422a287f.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-51bdb5ea712b654e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d6ed6d827e1a2292.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-1a8f84e4aa4d3fea.rmeta --extern magic=/opt/rustwide/target/debug/deps/libmagic-375fb7ca6b4a0777.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-40e14eb82070c706.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-4afd54fddd271fd2.rmeta --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-38d7baa090a5969a.rmeta --extern relative_path=/opt/rustwide/target/debug/deps/librelative_path-f1f7a3f8c83cc073.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-096a710498789071.rmeta --extern tree_magic=/opt/rustwide/target/debug/deps/libtree_magic-7c689b57e382009e.rmeta --extern unarr=/opt/rustwide/target/debug/deps/libunarr-1410687e11eb6907.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0ab9eff580684e9f3e46d66053545f959a33fae38f7c3e8c483d5db43de00721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab9eff580684e9f3e46d66053545f959a33fae38f7c3e8c483d5db43de00721", kill_on_drop: false }`
[INFO] [stdout] 0ab9eff580684e9f3e46d66053545f959a33fae38f7c3e8c483d5db43de00721