[INFO] fetching crate aamp 0.1.0...
[INFO] documenting aamp-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate aamp 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate aamp 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aamp 0.1.0
[INFO] finished tweaking crates.io crate aamp 0.1.0
[INFO] tweaked toml for crates.io crate aamp 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded cached v0.13.1
[INFO] [stderr]   Downloaded binread_derive v1.3.0
[INFO] [stderr]   Downloaded metrohash v1.0.6
[INFO] [stderr]   Downloaded cached_proc_macro v0.1.2
[INFO] [stderr]   Downloaded parse_int v0.4.0
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded binwrite_derive v0.2.1
[INFO] [stderr]   Downloaded binwrite v0.2.1
[INFO] [stderr]   Downloaded binread v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2de0c8ba4ea27da07c68ac1bbb0aa404b2aac0a79dfc2ba6a19c5e17aa5df447
[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" "2de0c8ba4ea27da07c68ac1bbb0aa404b2aac0a79dfc2ba6a19c5e17aa5df447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de0c8ba4ea27da07c68ac1bbb0aa404b2aac0a79dfc2ba6a19c5e17aa5df447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de0c8ba4ea27da07c68ac1bbb0aa404b2aac0a79dfc2ba6a19c5e17aa5df447", kill_on_drop: false }`
[INFO] [stdout] 2de0c8ba4ea27da07c68ac1bbb0aa404b2aac0a79dfc2ba6a19c5e17aa5df447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 567c5b7803c34278df8b3a8b18c7ffb3b24b8f311610a5e8e0d2b16ec1671759
[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" "567c5b7803c34278df8b3a8b18c7ffb3b24b8f311610a5e8e0d2b16ec1671759", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling binread_derive v1.3.0
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking async-global-executor v1.4.0
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking binread v1.3.0
[INFO] [stderr]    Compiling cached_proc_macro v0.1.2
[INFO] [stderr]     Checking cached v0.13.1
[INFO] [stderr]  Documenting aamp 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(seek_convenience, const_fn)]
[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 `aamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aamp 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 binread=/opt/rustwide/target/debug/deps/libbinread-5f5d111739321606.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-bc9d7bf30ccc064f.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-0fb8b5397e4736a1.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-4582feaee2a9ef06.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-057d1e4bc2673252.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-81d349d9b787235f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern metrohash=/opt/rustwide/target/debug/deps/libmetrohash-3ce32b9ea2420988.rmeta --extern num_format=/opt/rustwide/target/debug/deps/libnum_format-8c42ab5097c278e9.rmeta --extern parse_int=/opt/rustwide/target/debug/deps/libparse_int-7f34af6f46ce1e56.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-147bc681a8d7725f.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-45f324ebf4a48bc4.rmeta --extern unescape=/opt/rustwide/target/debug/deps/libunescape-6161e4ea98dbf208.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "567c5b7803c34278df8b3a8b18c7ffb3b24b8f311610a5e8e0d2b16ec1671759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567c5b7803c34278df8b3a8b18c7ffb3b24b8f311610a5e8e0d2b16ec1671759", kill_on_drop: false }`
[INFO] [stdout] 567c5b7803c34278df8b3a8b18c7ffb3b24b8f311610a5e8e0d2b16ec1671759
