[INFO] cloning repository https://github.com/Flat/Lupusregina-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flat/Lupusregina-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlat%2FLupusregina-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlat%2FLupusregina-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8d48a7ffd73a69ee9ddd774b07334cc75ff8178
[INFO] documenting Flat/Lupusregina- 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%2FFlat%2FLupusregina-" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Flat/Lupusregina- 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/Flat/Lupusregina-
[INFO] finished tweaking git repo https://github.com/Flat/Lupusregina-
[INFO] tweaked toml for git repo https://github.com/Flat/Lupusregina- written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Flat/Lupusregina- 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6a8b0785f68b54199cd5925d3df733632b6979b5de38958f46b0c44d74c3d90d
[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" "6a8b0785f68b54199cd5925d3df733632b6979b5de38958f46b0c44d74c3d90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8b0785f68b54199cd5925d3df733632b6979b5de38958f46b0c44d74c3d90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8b0785f68b54199cd5925d3df733632b6979b5de38958f46b0c44d74c3d90d", kill_on_drop: false }`
[INFO] [stdout] 6a8b0785f68b54199cd5925d3df733632b6979b5de38958f46b0c44d74c3d90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4164e24d857040b6451e3d0b1cfeb6e1bceaa7a7ead3cc5bd509d437da566f05
[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" "4164e24d857040b6451e3d0b1cfeb6e1bceaa7a7ead3cc5bd509d437da566f05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling serenity v0.8.0 (https://github.com/serenity-rs/serenity?branch=next#d851fea1)
[INFO] [stderr]     Checking uwl v0.5.1
[INFO] [stderr]     Checking kankyo v0.3.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking audiopus v0.1.3
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling command_attr v0.1.7 (https://github.com/serenity-rs/serenity?branch=next#d851fea1)
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking h2 v0.2.3
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.49
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking multimap v0.8.0
[INFO] [stderr]     Checking rust-ini v0.14.0
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]    Compiling graphql_client_codegen v0.8.0
[INFO] [stderr]    Compiling graphql_query_derive v0.8.0
[INFO] [stderr]     Checking sodiumoxide v0.2.5
[INFO] [stderr]     Checking graphql_client v0.8.0
[INFO] [stderr]  Documenting lupusreginaβ v0.3.14 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(try_blocks)]
[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 `lupusreginaβ`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 'lupusreginaβ' 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 chrono=/opt/rustwide/target/debug/deps/libchrono-209139710f5f8abf.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-3aa29b5de57a16ff.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4eec460db629592f.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ae64302b0b4ef548.rmeta --extern graphql_client=/opt/rustwide/target/debug/deps/libgraphql_client-a021b4f831635570.rmeta --extern kankyo=/opt/rustwide/target/debug/deps/libkankyo-a1bba05410db5247.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f96ba0118540bef9.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-10ec776f077887b0.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-51982a6c698cc22f.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-4f0dd988713320c3.rmeta --extern ini=/opt/rustwide/target/debug/deps/libini-987441d9ab3c45df.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e5810e43470a42ac.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-29e5ff5e88faf838.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-168a9805aee41470.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-6da173f3118e8f56.rmeta --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-f2a39968f6df1643.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4164e24d857040b6451e3d0b1cfeb6e1bceaa7a7ead3cc5bd509d437da566f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4164e24d857040b6451e3d0b1cfeb6e1bceaa7a7ead3cc5bd509d437da566f05", kill_on_drop: false }`
[INFO] [stdout] 4164e24d857040b6451e3d0b1cfeb6e1bceaa7a7ead3cc5bd509d437da566f05