[INFO] fetching crate gh-label-conductor 0.1.1...
[INFO] testing gh-label-conductor-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate gh-label-conductor 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gh-label-conductor 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gh-label-conductor 0.1.1
[INFO] finished tweaking crates.io crate gh-label-conductor 0.1.1
[INFO] tweaked toml for crates.io crate gh-label-conductor 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gh-label-conductor 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded miette v1.1.0
[INFO] [stderr]   Downloaded envmnt v0.9.0
[INFO] [stderr]   Downloaded ci_info v0.14.2
[INFO] [stderr]   Downloaded octorust v0.1.28
[INFO] [stderr]   Downloaded owo-colors v2.0.0
[INFO] [stderr]   Downloaded hyperx v1.2.0
[INFO] [stderr]   Downloaded miette-derive v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861f7af30c4fccf245a6c4a0aa0b70417075cedc6b81ceecd14700c6d2e2cf3e
[INFO] running `Command { std: "docker" "start" "-a" "861f7af30c4fccf245a6c4a0aa0b70417075cedc6b81ceecd14700c6d2e2cf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861f7af30c4fccf245a6c4a0aa0b70417075cedc6b81ceecd14700c6d2e2cf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861f7af30c4fccf245a6c4a0aa0b70417075cedc6b81ceecd14700c6d2e2cf3e", kill_on_drop: false }`
[INFO] [stdout] 861f7af30c4fccf245a6c4a0aa0b70417075cedc6b81ceecd14700c6d2e2cf3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ece9298abd16e3c0496862f78051c8415449e05a9cd92f13e85163d4874a74
[INFO] running `Command { std: "docker" "start" "-a" "80ece9298abd16e3c0496862f78051c8415449e05a9cd92f13e85163d4874a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling hyperx v1.2.0
[INFO] [stderr]    Compiling fsio v0.2.0
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling owo-colors v2.0.0
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling miette-derive v1.1.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling envmnt v0.9.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling ci_info v0.14.2
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling schemars_derive v0.8.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling miette v1.1.0
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling jsonwebtoken v7.2.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling octorust v0.1.28
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/octorust-0.1.28/src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | #![feature(async_stream)]
[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 `octorust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "80ece9298abd16e3c0496862f78051c8415449e05a9cd92f13e85163d4874a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ece9298abd16e3c0496862f78051c8415449e05a9cd92f13e85163d4874a74", kill_on_drop: false }`
[INFO] [stdout] 80ece9298abd16e3c0496862f78051c8415449e05a9cd92f13e85163d4874a74