[INFO] fetching crate heph-rt 0.4.1...
[INFO] documenting heph-rt-0.4.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate heph-rt 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate heph-rt 0.4.1 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 crates.io crate heph-rt 0.4.1
[INFO] finished tweaking crates.io crate heph-rt 0.4.1
[INFO] tweaked toml for crates.io crate heph-rt 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate heph-rt 0.4.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heph-inbox v0.2.3
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded std-logger v0.4.4
[INFO] [stderr]   Downloaded mio-signals v0.2.0
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded ctor v0.1.23
[INFO] [stderr]   Downloaded heph v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 25f66c8f988a46a8e05057a3e26b83a10086690f2b2383fbad051e51a5852294
[INFO] running `Command { std: "docker" "start" "-a" "25f66c8f988a46a8e05057a3e26b83a10086690f2b2383fbad051e51a5852294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f66c8f988a46a8e05057a3e26b83a10086690f2b2383fbad051e51a5852294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f66c8f988a46a8e05057a3e26b83a10086690f2b2383fbad051e51a5852294", kill_on_drop: false }`
[INFO] [stdout] 25f66c8f988a46a8e05057a3e26b83a10086690f2b2383fbad051e51a5852294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c93b5c51a317d87ca4487c65a7735d150c4f78739e40bc74d45f8088c0617c9a
[INFO] running `Command { std: "docker" "start" "-a" "c93b5c51a317d87ca4487c65a7735d150c4f78739e40bc74d45f8088c0617c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking heph-inbox v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking heph v0.4.0
[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/heph-0.4.0/src/lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(const_option, doc_auto_cfg, doc_cfg_hide, never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/heph-0.4.0/src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(const_option, doc_auto_cfg, doc_cfg_hide, never_type)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heph` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c93b5c51a317d87ca4487c65a7735d150c4f78739e40bc74d45f8088c0617c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93b5c51a317d87ca4487c65a7735d150c4f78739e40bc74d45f8088c0617c9a", kill_on_drop: false }`
[INFO] [stdout] c93b5c51a317d87ca4487c65a7735d150c4f78739e40bc74d45f8088c0617c9a
[INFO] documenting heph-rt-0.4.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate heph-rt 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate heph-rt 0.4.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heph-rt 0.4.1
[INFO] finished tweaking crates.io crate heph-rt 0.4.1
[INFO] tweaked toml for crates.io crate heph-rt 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate heph-rt 0.4.1 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 293e8933ceae5a4dde43e769ff5787d9c89b9a1a9bfc1d0a552726fe6b406de0
[INFO] running `Command { std: "docker" "start" "-a" "293e8933ceae5a4dde43e769ff5787d9c89b9a1a9bfc1d0a552726fe6b406de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293e8933ceae5a4dde43e769ff5787d9c89b9a1a9bfc1d0a552726fe6b406de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293e8933ceae5a4dde43e769ff5787d9c89b9a1a9bfc1d0a552726fe6b406de0", kill_on_drop: false }`
[INFO] [stdout] 293e8933ceae5a4dde43e769ff5787d9c89b9a1a9bfc1d0a552726fe6b406de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b6feedf5cbb6214108c77e999614027075e7ac88479ad27271941407a63af9
[INFO] running `Command { std: "docker" "start" "-a" "49b6feedf5cbb6214108c77e999614027075e7ac88479ad27271941407a63af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking heph-inbox v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking heph v0.4.0
[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/heph-0.4.0/src/lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(const_option, doc_auto_cfg, doc_cfg_hide, never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/heph-0.4.0/src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(const_option, doc_auto_cfg, doc_cfg_hide, never_type)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heph` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "49b6feedf5cbb6214108c77e999614027075e7ac88479ad27271941407a63af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b6feedf5cbb6214108c77e999614027075e7ac88479ad27271941407a63af9", kill_on_drop: false }`
[INFO] [stdout] 49b6feedf5cbb6214108c77e999614027075e7ac88479ad27271941407a63af9
