[INFO] fetching crate unmp-protocol-etp 0.7.4...
[INFO] documenting unmp-protocol-etp-0.7.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate unmp-protocol-etp 0.7.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate unmp-protocol-etp 0.7.4 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] started tweaking crates.io crate unmp-protocol-etp 0.7.4
[INFO] finished tweaking crates.io crate unmp-protocol-etp 0.7.4
[INFO] tweaked toml for crates.io crate unmp-protocol-etp 0.7.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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 interrupt v0.1.3
[INFO] [stderr]   Downloaded task-stream v0.3.7
[INFO] [stderr]   Downloaded unmp-link v0.7.0
[INFO] [stderr]   Downloaded fixed-queue v0.3.11
[INFO] [stderr]   Downloaded ach-util v0.1.16
[INFO] [stderr]   Downloaded ach-mpmc v0.2.0
[INFO] [stderr]   Downloaded unmp v0.7.3
[INFO] [stderr]   Downloaded mutex-trait v0.2.0
[INFO] [stderr]   Downloaded unmp-id v2.0.0
[INFO] [stderr]   Downloaded xtensa-lx v0.8.0
[INFO] [stderr]   Downloaded ach-ring v0.1.9
[INFO] [stderr]   Downloaded spin_loop v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 80545f0697cc685fa1bc5669cf83368ef9c2adf9193da8923f2d3e6abdde3735
[INFO] running `Command { std: "docker" "start" "-a" "80545f0697cc685fa1bc5669cf83368ef9c2adf9193da8923f2d3e6abdde3735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80545f0697cc685fa1bc5669cf83368ef9c2adf9193da8923f2d3e6abdde3735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80545f0697cc685fa1bc5669cf83368ef9c2adf9193da8923f2d3e6abdde3735", kill_on_drop: false }`
[INFO] [stdout] 80545f0697cc685fa1bc5669cf83368ef9c2adf9193da8923f2d3e6abdde3735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 616ee44c19031ce6abd1d514e159e8c73154ea4473f1ec6f175bb5ee7a843644
[INFO] running `Command { std: "docker" "start" "-a" "616ee44c19031ce6abd1d514e159e8c73154ea4473f1ec6f175bb5ee7a843644", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking unmp-id v2.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking unmp-link v0.7.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unmp-link-0.7.0/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_btree_new)]
[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 compile `unmp-link` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "616ee44c19031ce6abd1d514e159e8c73154ea4473f1ec6f175bb5ee7a843644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616ee44c19031ce6abd1d514e159e8c73154ea4473f1ec6f175bb5ee7a843644", kill_on_drop: false }`
[INFO] [stdout] 616ee44c19031ce6abd1d514e159e8c73154ea4473f1ec6f175bb5ee7a843644
[INFO] documenting unmp-protocol-etp-0.7.4 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate unmp-protocol-etp 0.7.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate unmp-protocol-etp 0.7.4 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-protocol-etp 0.7.4
[INFO] finished tweaking crates.io crate unmp-protocol-etp 0.7.4
[INFO] tweaked toml for crates.io crate unmp-protocol-etp 0.7.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6842f2c36d35b33d16774d3307caccbb98f488a03f4b3cf0e093c1edf4c15131
[INFO] running `Command { std: "docker" "start" "-a" "6842f2c36d35b33d16774d3307caccbb98f488a03f4b3cf0e093c1edf4c15131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6842f2c36d35b33d16774d3307caccbb98f488a03f4b3cf0e093c1edf4c15131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6842f2c36d35b33d16774d3307caccbb98f488a03f4b3cf0e093c1edf4c15131", kill_on_drop: false }`
[INFO] [stdout] 6842f2c36d35b33d16774d3307caccbb98f488a03f4b3cf0e093c1edf4c15131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e94066a60115204fb5291fb255667f0d1107d95ad17eaaed242747dd93d7b43
[INFO] running `Command { std: "docker" "start" "-a" "1e94066a60115204fb5291fb255667f0d1107d95ad17eaaed242747dd93d7b43", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking unmp-id v2.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking unmp-link v0.7.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unmp-link-0.7.0/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_btree_new)]
[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 compile `unmp-link` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1e94066a60115204fb5291fb255667f0d1107d95ad17eaaed242747dd93d7b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e94066a60115204fb5291fb255667f0d1107d95ad17eaaed242747dd93d7b43", kill_on_drop: false }`
[INFO] [stdout] 1e94066a60115204fb5291fb255667f0d1107d95ad17eaaed242747dd93d7b43
