[INFO] cloning repository https://github.com/Acasune/mrbgpdv2-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Acasune/mrbgpdv2-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fmrbgpdv2-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fmrbgpdv2-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 045a59d5ace8ac4078b06a78edde0998ffdf26ce
[INFO] documenting Acasune/mrbgpdv2-study against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fmrbgpdv2-study" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Acasune/mrbgpdv2-study on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Acasune/mrbgpdv2-study
[INFO] finished tweaking git repo https://github.com/Acasune/mrbgpdv2-study
[INFO] tweaked toml for git repo https://github.com/Acasune/mrbgpdv2-study written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Acasune/mrbgpdv2-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-proto v0.9.2
[INFO] [stderr]   Downloaded netlink-packet-route v0.11.0
[INFO] [stderr]   Downloaded rtnetlink v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc3a1e4d68d123ec62d56fea216f92b232babd5f7c0c3f9bf6035609d0c9fb38
[INFO] running `Command { std: "docker" "start" "-a" "cc3a1e4d68d123ec62d56fea216f92b232babd5f7c0c3f9bf6035609d0c9fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc3a1e4d68d123ec62d56fea216f92b232babd5f7c0c3f9bf6035609d0c9fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3a1e4d68d123ec62d56fea216f92b232babd5f7c0c3f9bf6035609d0c9fb38", kill_on_drop: false }`
[INFO] [stdout] cc3a1e4d68d123ec62d56fea216f92b232babd5f7c0c3f9bf6035609d0c9fb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4925ba8c3c036059f892bc0a8926af4bdf12cd2884fe5bdb4429a7a6cb20d1bc
[INFO] running `Command { std: "docker" "start" "-a" "4925ba8c3c036059f892bc0a8926af4bdf12cd2884fe5bdb4429a7a6cb20d1bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking netlink-packet-route v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking netlink-sys v0.8.5
[INFO] [stderr]     Checking netlink-proto v0.9.2
[INFO] [stderr]     Checking rtnetlink v0.9.1
[INFO] [stderr]  Documenting mrbgpdv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace, exclusive_range_pattern, arc_unwrap_or_clone)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mrbgpdv2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name mrbgpdv2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6a00c7adf3b31aee -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-8f726a71570e27c2.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b95eecdcaa4c1939.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-5be0dd4eaccf22ac.rmeta --extern ipnetwork=/opt/rustwide/target/debug/deps/libipnetwork-cbbe891d30986556.rmeta --extern rtnetlink=/opt/rustwide/target/debug/deps/librtnetlink-b40539b10241a5b5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c8f816a1629145ad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f29036dcaf0e7fd1.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-e4591f378af2128f.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-0ac5558b5f732b59.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4925ba8c3c036059f892bc0a8926af4bdf12cd2884fe5bdb4429a7a6cb20d1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4925ba8c3c036059f892bc0a8926af4bdf12cd2884fe5bdb4429a7a6cb20d1bc", kill_on_drop: false }`
[INFO] [stdout] 4925ba8c3c036059f892bc0a8926af4bdf12cd2884fe5bdb4429a7a6cb20d1bc
