[INFO] fetching crate wsprspots 0.1.3...
[INFO] documenting wsprspots-0.1.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate wsprspots 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wsprspots 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wsprspots 0.1.3
[INFO] finished tweaking crates.io crate wsprspots 0.1.3
[INFO] tweaked toml for crates.io crate wsprspots 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate wsprspots 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df86a016263dfd9b6afecf18bb0f715c530108b56bc7f8887e36c75a07ed1f27
[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" "df86a016263dfd9b6afecf18bb0f715c530108b56bc7f8887e36c75a07ed1f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df86a016263dfd9b6afecf18bb0f715c530108b56bc7f8887e36c75a07ed1f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df86a016263dfd9b6afecf18bb0f715c530108b56bc7f8887e36c75a07ed1f27", kill_on_drop: false }`
[INFO] [stdout] df86a016263dfd9b6afecf18bb0f715c530108b56bc7f8887e36c75a07ed1f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61f0a4a7280431f18d0e7217d8103805e2f8ed1dde71f7c6ba595ef726e83271
[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" "61f0a4a7280431f18d0e7217d8103805e2f8ed1dde71f7c6ba595ef726e83271", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking smartstring v0.2.6
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]  Documenting wsprspots v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern, half_open_range_patterns, hash_drain_filter)]
[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 `wsprspots`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name wsprspots 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-fac41f6e37b016e2.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-0014f64927814ead.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-7a301073621c5bba.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-372bf15794b444b9.rmeta --cap-lints=warn --crate-version 0.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "61f0a4a7280431f18d0e7217d8103805e2f8ed1dde71f7c6ba595ef726e83271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f0a4a7280431f18d0e7217d8103805e2f8ed1dde71f7c6ba595ef726e83271", kill_on_drop: false }`
[INFO] [stdout] 61f0a4a7280431f18d0e7217d8103805e2f8ed1dde71f7c6ba595ef726e83271
