[INFO] fetching crate intercom-attributes 0.3.0...
[INFO] testing intercom-attributes-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate intercom-attributes 0.3.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate intercom-attributes 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intercom-attributes 0.3.0
[INFO] finished tweaking crates.io crate intercom-attributes 0.3.0
[INFO] tweaked toml for crates.io crate intercom-attributes 0.3.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intercom-common v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dae5b008e3582fd1631c964cc89b6eb3e3e72a4d0c85565e93dff38d3c979aa
[INFO] running `Command { std: "docker" "start" "-a" "2dae5b008e3582fd1631c964cc89b6eb3e3e72a4d0c85565e93dff38d3c979aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dae5b008e3582fd1631c964cc89b6eb3e3e72a4d0c85565e93dff38d3c979aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dae5b008e3582fd1631c964cc89b6eb3e3e72a4d0c85565e93dff38d3c979aa", kill_on_drop: false }`
[INFO] [stdout] 2dae5b008e3582fd1631c964cc89b6eb3e3e72a4d0c85565e93dff38d3c979aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5a9711ce03650c50426333ba7791f41e3069464f60d0817d519c46592bb0d6
[INFO] running `Command { std: "docker" "start" "-a" "6a5a9711ce03650c50426333ba7791f41e3069464f60d0817d519c46592bb0d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling sha1 v0.3.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling intercom-common v0.3.0
[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/intercom-common-0.3.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[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 `intercom-common` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6a5a9711ce03650c50426333ba7791f41e3069464f60d0817d519c46592bb0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5a9711ce03650c50426333ba7791f41e3069464f60d0817d519c46592bb0d6", kill_on_drop: false }`
[INFO] [stdout] 6a5a9711ce03650c50426333ba7791f41e3069464f60d0817d519c46592bb0d6