[INFO] fetching crate rust_icu_ecma402 0.4.1...
[INFO] testing rust_icu_ecma402-0.4.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rust_icu_ecma402 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust_icu_ecma402 0.4.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_icu_ecma402 0.4.1
[INFO] finished tweaking crates.io crate rust_icu_ecma402 0.4.1
[INFO] tweaked toml for crates.io crate rust_icu_ecma402 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_icu_unumberformatter v0.4.1
[INFO] [stderr]   Downloaded rust_icu_unum v0.4.1
[INFO] [stderr]   Downloaded rust_icu_upluralrules v0.4.1
[INFO] [stderr]   Downloaded rust_icu_uloc v0.4.1
[INFO] [stderr]   Downloaded ecma402_traits v0.2.0
[INFO] [stderr]   Downloaded rust_icu_ustring v0.4.1
[INFO] [stderr]   Downloaded rust_icu_uformattable v0.4.1
[INFO] [stderr]   Downloaded rust_icu_ulistformatter v0.4.1
[INFO] [stderr]   Downloaded rust_icu_uenum v0.4.1
[INFO] [stderr]   Downloaded rust_icu_sys v0.4.1
[INFO] [stderr]   Downloaded rust_icu_common v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57aa09a5daa2bf69689c33fc95d64b841def1315f3d75ac8e3f9054bf7f3a422
[INFO] running `Command { std: "docker" "start" "-a" "57aa09a5daa2bf69689c33fc95d64b841def1315f3d75ac8e3f9054bf7f3a422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57aa09a5daa2bf69689c33fc95d64b841def1315f3d75ac8e3f9054bf7f3a422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57aa09a5daa2bf69689c33fc95d64b841def1315f3d75ac8e3f9054bf7f3a422", kill_on_drop: false }`
[INFO] [stdout] 57aa09a5daa2bf69689c33fc95d64b841def1315f3d75ac8e3f9054bf7f3a422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d5bcb9b5de915e46617d7851bc5d6655d39d20ca5952378b9dc7ebbed34de1
[INFO] running `Command { std: "docker" "start" "-a" "61d5bcb9b5de915e46617d7851bc5d6655d39d20ca5952378b9dc7ebbed34de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling ecma402_traits v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling rust_icu_uloc v0.4.1
[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/rust_icu_uloc-0.4.1/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[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 `rust_icu_uloc` 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" "61d5bcb9b5de915e46617d7851bc5d6655d39d20ca5952378b9dc7ebbed34de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d5bcb9b5de915e46617d7851bc5d6655d39d20ca5952378b9dc7ebbed34de1", kill_on_drop: false }`
[INFO] [stdout] 61d5bcb9b5de915e46617d7851bc5d6655d39d20ca5952378b9dc7ebbed34de1
