[INFO] cloning repository https://github.com/roscale/meinkraft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roscale/meinkraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fmeinkraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fmeinkraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a7753cc1edc2a8a6e8a705aea348eef367b53d9
[INFO] documenting roscale/meinkraft 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%2Froscale%2Fmeinkraft" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roscale/meinkraft 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] started tweaking git repo https://github.com/roscale/meinkraft
[INFO] finished tweaking git repo https://github.com/roscale/meinkraft
[INFO] tweaked toml for git repo https://github.com/roscale/meinkraft written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/roscale/meinkraft 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] [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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 72fbd6ad578423c3e76902a2440cd55430c81288073d335601c2dd5a25fa6a83
[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" "72fbd6ad578423c3e76902a2440cd55430c81288073d335601c2dd5a25fa6a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72fbd6ad578423c3e76902a2440cd55430c81288073d335601c2dd5a25fa6a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fbd6ad578423c3e76902a2440cd55430c81288073d335601c2dd5a25fa6a83", kill_on_drop: false }`
[INFO] [stdout] 72fbd6ad578423c3e76902a2440cd55430c81288073d335601c2dd5a25fa6a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 744a09ce86d68d51addebed8adff180a6830f228614ede93610e0d17fd59862b
[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" "744a09ce86d68d51addebed8adff180a6830f228614ede93610e0d17fd59862b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
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[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking smallvec v1.4.0
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[INFO] [stderr]     Checking downcast-rs v1.1.1
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[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking termcolor v1.1.0
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking bit-vec v0.6.2
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[INFO] [stderr]     Checking inflate v0.4.5
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[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking gif v0.9.2
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[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking dashmap v4.0.0-rc6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking tynm v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking glfw v0.35.0
[INFO] [stderr]     Checking noise v0.6.0
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking ncollide3d v0.19.2
[INFO] [stderr]     Checking nalgebra-glm v0.4.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking nphysics3d v0.11.1
[INFO] [stderr]  Documenting meinkraft 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(entry_insert)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_fill)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(binary_heap_drain_sorted)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `meinkraft`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name meinkraft src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-d70ad270503dcd79.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-1b30d958757839d3.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-7a9a9ed800a6c5ee.rmeta --extern gl=/opt/rustwide/target/debug/deps/libgl-ad6f2996e36d2220.rmeta --extern glfw=/opt/rustwide/target/debug/deps/libglfw-36a1665eeb29f040.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-185d949a3b5839ac.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e84c2a4716e1a18b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-06850c4d5c493372.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b2250e92410c679c.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-32477580c088b3b0.rmeta --extern nalgebra_glm=/opt/rustwide/target/debug/deps/libnalgebra_glm-254c6382503a5a5f.rmeta --extern ncollide3d=/opt/rustwide/target/debug/deps/libncollide3d-c69d267b240edf90.rmeta --extern noise=/opt/rustwide/target/debug/deps/libnoise-880e8e0616a48174.rmeta --extern nphysics3d=/opt/rustwide/target/debug/deps/libnphysics3d-021a9ccbedc14fcd.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-55e239eff9b9739c.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f6d3d5361f398f90.rmeta --extern owning_ref=/opt/rustwide/target/debug/deps/libowning_ref-763a051a42f40294.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-3ffafe3bb5c19ef6.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-b70d5b3af689e690.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-338320333b760df6.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-3a22b5625bcec9b9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-df46cb29b3b0d013.rmeta --extern specs=/opt/rustwide/target/debug/deps/libspecs-3087cb552a06cd5d.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "744a09ce86d68d51addebed8adff180a6830f228614ede93610e0d17fd59862b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744a09ce86d68d51addebed8adff180a6830f228614ede93610e0d17fd59862b", kill_on_drop: false }`
[INFO] [stdout] 744a09ce86d68d51addebed8adff180a6830f228614ede93610e0d17fd59862b