[INFO] cloning repository https://github.com/Implodent/arte
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Implodent/arte" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImplodent%2Farte", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImplodent%2Farte'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f91d2228a97361462e30d45bd20b398e5e5979b
[INFO] documenting Implodent/arte against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImplodent%2Farte" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Implodent/arte on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Implodent/arte
[INFO] finished tweaking git repo https://github.com/Implodent/arte
[INFO] tweaked toml for git repo https://github.com/Implodent/arte written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Implodent/arte 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v2.1.0
[INFO] [stderr]   Downloaded event-listener v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec89475a243d329327fa38b33195311d85b9e7cb2914a58be417000b4bf8837f
[INFO] running `Command { std: "docker" "start" "-a" "ec89475a243d329327fa38b33195311d85b9e7cb2914a58be417000b4bf8837f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec89475a243d329327fa38b33195311d85b9e7cb2914a58be417000b4bf8837f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec89475a243d329327fa38b33195311d85b9e7cb2914a58be417000b4bf8837f", kill_on_drop: false }`
[INFO] [stdout] ec89475a243d329327fa38b33195311d85b9e7cb2914a58be417000b4bf8837f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648e4a15d51ba6300c03de6668a7955237d1f85480d406bdee22b515088b06fb
[INFO] running `Command { std: "docker" "start" "-a" "648e4a15d51ba6300c03de6668a7955237d1f85480d406bdee22b515088b06fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking event-listener v4.0.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking async-compression v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.3.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking async-io v2.2.2
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking arte-protocol v0.1.0 (/opt/rustwide/workdir/crates/protocol)
[INFO] [stderr]  Documenting arte-protocol v0.1.0 (/opt/rustwide/workdir/crates/protocol)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/protocol/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/protocol/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `arte-protocol`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name arte_protocol crates/protocol/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=83b77a8a849a55c4 -L dependency=/opt/rustwide/target/debug/deps --extern async_compression=/opt/rustwide/target/debug/deps/libasync_compression-d9e8aefcc16c0623.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-3d8b0510ef979f0f.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-19782e77171d7466.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fa62473658f2b4e8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f1f7ffbf1e6cd6e2.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-40d6350ba406d3a3.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-71c8c7633c1dc7b5.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-dc44a841667727c1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 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 compile `arte-protocol` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "648e4a15d51ba6300c03de6668a7955237d1f85480d406bdee22b515088b06fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648e4a15d51ba6300c03de6668a7955237d1f85480d406bdee22b515088b06fb", kill_on_drop: false }`
[INFO] [stdout] 648e4a15d51ba6300c03de6668a7955237d1f85480d406bdee22b515088b06fb
