[INFO] fetching crate async-circe 0.2.3...
[INFO] testing async-circe-0.2.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate async-circe 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate async-circe 0.2.3 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 async-circe 0.2.3
[INFO] finished tweaking crates.io crate async-circe 0.2.3
[INFO] tweaked toml for crates.io crate async-circe 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9756fafdb57b6d344b2bdcde0e385956acd64a776652e7b7a1cad8f2ecd37ddc
[INFO] running `Command { std: "docker" "start" "-a" "9756fafdb57b6d344b2bdcde0e385956acd64a776652e7b7a1cad8f2ecd37ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9756fafdb57b6d344b2bdcde0e385956acd64a776652e7b7a1cad8f2ecd37ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9756fafdb57b6d344b2bdcde0e385956acd64a776652e7b7a1cad8f2ecd37ddc", kill_on_drop: false }`
[INFO] [stdout] 9756fafdb57b6d344b2bdcde0e385956acd64a776652e7b7a1cad8f2ecd37ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72655a0c2e9e562632e868cc910c929e44ef8142b7009176d261d3e5a6da8297
[INFO] running `Command { std: "docker" "start" "-a" "72655a0c2e9e562632e868cc910c929e44ef8142b7009176d261d3e5a6da8297", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling async-circe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(doc_cfg)]
[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 `async-circe` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72655a0c2e9e562632e868cc910c929e44ef8142b7009176d261d3e5a6da8297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72655a0c2e9e562632e868cc910c929e44ef8142b7009176d261d3e5a6da8297", kill_on_drop: false }`
[INFO] [stdout] 72655a0c2e9e562632e868cc910c929e44ef8142b7009176d261d3e5a6da8297
[INFO] testing async-circe-0.2.3 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate async-circe 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate async-circe 0.2.3 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 async-circe 0.2.3
[INFO] finished tweaking crates.io crate async-circe 0.2.3
[INFO] tweaked toml for crates.io crate async-circe 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1c4fcd354e37d3e1dc277944ce5f7fc357555aa1b27fa59f613df84a1c66eec0
[INFO] running `Command { std: "docker" "start" "-a" "1c4fcd354e37d3e1dc277944ce5f7fc357555aa1b27fa59f613df84a1c66eec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4fcd354e37d3e1dc277944ce5f7fc357555aa1b27fa59f613df84a1c66eec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4fcd354e37d3e1dc277944ce5f7fc357555aa1b27fa59f613df84a1c66eec0", kill_on_drop: false }`
[INFO] [stdout] 1c4fcd354e37d3e1dc277944ce5f7fc357555aa1b27fa59f613df84a1c66eec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e6c8a75cd1e2f125c718bf9fd6a0d080aa3cd0092dfcdc7f8e4d840734ec92
[INFO] running `Command { std: "docker" "start" "-a" "b5e6c8a75cd1e2f125c718bf9fd6a0d080aa3cd0092dfcdc7f8e4d840734ec92", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling async-circe v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(doc_cfg)]
[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 `async-circe` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b5e6c8a75cd1e2f125c718bf9fd6a0d080aa3cd0092dfcdc7f8e4d840734ec92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e6c8a75cd1e2f125c718bf9fd6a0d080aa3cd0092dfcdc7f8e4d840734ec92", kill_on_drop: false }`
[INFO] [stdout] b5e6c8a75cd1e2f125c718bf9fd6a0d080aa3cd0092dfcdc7f8e4d840734ec92
