[INFO] fetching crate unmp-link-websocket 0.7.1...
[INFO] documenting unmp-link-websocket-0.7.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate unmp-link-websocket 0.7.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate unmp-link-websocket 0.7.1 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-link-websocket 0.7.1
[INFO] finished tweaking crates.io crate unmp-link-websocket 0.7.1
[INFO] tweaked toml for crates.io crate unmp-link-websocket 0.7.1 written to /workspace/builds/worker-6-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 ach-ring v0.1.9
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] [stderr]   Downloaded spin_loop v0.1.1
[INFO] [stderr]   Downloaded interrupt v0.1.3
[INFO] [stderr]   Downloaded tungstenite v0.13.0
[INFO] [stderr]   Downloaded riscv v0.10.1
[INFO] [stderr]   Downloaded ach-mpmc v0.2.0
[INFO] [stderr]   Downloaded async-tungstenite v0.13.1
[INFO] [stderr]   Downloaded ach-util v0.1.16
[INFO] [stderr]   Downloaded unmp-id v2.0.0
[INFO] [stderr]   Downloaded fixed-queue v0.3.11
[INFO] [stderr]   Downloaded task-stream v0.3.7
[INFO] [stderr]   Downloaded unmp v0.7.3
[INFO] [stderr]   Downloaded unmp-link v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5931c0e57db6400084245d69384d6ffb433ac5a1d81880ffb8890f207dfff08a
[INFO] running `Command { std: "docker" "start" "-a" "5931c0e57db6400084245d69384d6ffb433ac5a1d81880ffb8890f207dfff08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5931c0e57db6400084245d69384d6ffb433ac5a1d81880ffb8890f207dfff08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5931c0e57db6400084245d69384d6ffb433ac5a1d81880ffb8890f207dfff08a", kill_on_drop: false }`
[INFO] [stdout] 5931c0e57db6400084245d69384d6ffb433ac5a1d81880ffb8890f207dfff08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b4f7e2a8611e7c06768b490f0227084716097fd9bd752e0800a31b61518a570
[INFO] running `Command { std: "docker" "start" "-a" "7b4f7e2a8611e7c06768b490f0227084716097fd9bd752e0800a31b61518a570", kill_on_drop: false }`
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking value-bag v1.4.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking unmp-id v2.0.0
[INFO] [stderr]     Checking async-io v1.13.0
[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" "7b4f7e2a8611e7c06768b490f0227084716097fd9bd752e0800a31b61518a570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4f7e2a8611e7c06768b490f0227084716097fd9bd752e0800a31b61518a570", kill_on_drop: false }`
[INFO] [stdout] 7b4f7e2a8611e7c06768b490f0227084716097fd9bd752e0800a31b61518a570
[INFO] documenting unmp-link-websocket-0.7.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate unmp-link-websocket 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate unmp-link-websocket 0.7.1 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-link-websocket 0.7.1
[INFO] finished tweaking crates.io crate unmp-link-websocket 0.7.1
[INFO] tweaked toml for crates.io crate unmp-link-websocket 0.7.1 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7928f3dc4e36850a4def2429f2e7011bf98134fc78000c85a6888d5299fd2f61
[INFO] running `Command { std: "docker" "start" "-a" "7928f3dc4e36850a4def2429f2e7011bf98134fc78000c85a6888d5299fd2f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7928f3dc4e36850a4def2429f2e7011bf98134fc78000c85a6888d5299fd2f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7928f3dc4e36850a4def2429f2e7011bf98134fc78000c85a6888d5299fd2f61", kill_on_drop: false }`
[INFO] [stdout] 7928f3dc4e36850a4def2429f2e7011bf98134fc78000c85a6888d5299fd2f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9252258bf6f95918a73b259ced42f031c0ebebf6ca5a7661576180f947b294d4
[INFO] running `Command { std: "docker" "start" "-a" "9252258bf6f95918a73b259ced42f031c0ebebf6ca5a7661576180f947b294d4", kill_on_drop: false }`
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking value-bag v1.4.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking unmp-id v2.0.0
[INFO] [stderr]     Checking async-io v1.13.0
[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" "9252258bf6f95918a73b259ced42f031c0ebebf6ca5a7661576180f947b294d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9252258bf6f95918a73b259ced42f031c0ebebf6ca5a7661576180f947b294d4", kill_on_drop: false }`
[INFO] [stdout] 9252258bf6f95918a73b259ced42f031c0ebebf6ca5a7661576180f947b294d4
