[INFO] cloning repository https://github.com/akitsu-sanae/microps-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitsu-sanae/microps-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e217d2110e402a8a49909f08ea26725e2a9350cf
[INFO] documenting akitsu-sanae/microps-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akitsu-sanae/microps-rs on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] finished tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] tweaked toml for git repo https://github.com/akitsu-sanae/microps-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/akitsu-sanae/microps-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f3c4c807865345c1c2a3136df4d26f6622cc0182379f81f602087755c06c8c8
[INFO] running `Command { std: "docker" "start" "-a" "3f3c4c807865345c1c2a3136df4d26f6622cc0182379f81f602087755c06c8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3c4c807865345c1c2a3136df4d26f6622cc0182379f81f602087755c06c8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3c4c807865345c1c2a3136df4d26f6622cc0182379f81f602087755c06c8c8", kill_on_drop: false }`
[INFO] [stdout] 3f3c4c807865345c1c2a3136df4d26f6622cc0182379f81f602087755c06c8c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d4e63728c6e6546a8e5d72d4263169bfb78af055a6e33dcaf4d4ff8904e99f9
[INFO] running `Command { std: "docker" "start" "-a" "8d4e63728c6e6546a8e5d72d4263169bfb78af055a6e33dcaf4d4ff8904e99f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking ifstructs v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]  Documenting microps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ethernet.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |             addr = { raw.addr()? };
[INFO] [stdout]     |                    ^^           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 125 -             addr = { raw.addr()? };
[INFO] [stdout] 125 +             addr = raw.addr()?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]    --> src/udp.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout]     |                         ^^                                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 109 -             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stdout] 109 +             for port in SOURCE_PORT_MIN..SOURCE_PORT_MAX {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(wait_timeout_until)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `microps-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name microps_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7efc4b09fb221342 -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-f953086a7144d442.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6313f5d18db83524.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a7a8a21a2cf99659.rmeta --extern hexdump=/opt/rustwide/target/debug/deps/libhexdump-399f50cd1abcbbbf.rmeta --extern ifstructs=/opt/rustwide/target/debug/deps/libifstructs-b57798f94f4789c9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d4281fda7c0891d8.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-34b38c3d957283ff.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-fa585d7d2e270544.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8d4e63728c6e6546a8e5d72d4263169bfb78af055a6e33dcaf4d4ff8904e99f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4e63728c6e6546a8e5d72d4263169bfb78af055a6e33dcaf4d4ff8904e99f9", kill_on_drop: false }`
[INFO] [stdout] 8d4e63728c6e6546a8e5d72d4263169bfb78af055a6e33dcaf4d4ff8904e99f9