[INFO] fetching crate rust_icu_unum 1.0.0... [INFO] testing rust_icu_unum-1.0.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate rust_icu_unum 1.0.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rust_icu_unum 1.0.0 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 rust_icu_unum 1.0.0 [INFO] finished tweaking crates.io crate rust_icu_unum 1.0.0 [INFO] tweaked toml for crates.io crate rust_icu_unum 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a8206b61bfc9a535431655952876463c28d3e09ca1cd7d295d2372432320ffb [INFO] running `Command { std: "docker" "start" "-a" "2a8206b61bfc9a535431655952876463c28d3e09ca1cd7d295d2372432320ffb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a8206b61bfc9a535431655952876463c28d3e09ca1cd7d295d2372432320ffb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a8206b61bfc9a535431655952876463c28d3e09ca1cd7d295d2372432320ffb", kill_on_drop: false }` [INFO] [stdout] 2a8206b61bfc9a535431655952876463c28d3e09ca1cd7d295d2372432320ffb [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 689c9aa77cb0f406e0a742193a60effff3cfcfa3891ed098efc6f7429a7d8ad5 [INFO] running `Command { std: "docker" "start" "-a" "689c9aa77cb0f406e0a742193a60effff3cfcfa3891ed098efc6f7429a7d8ad5", kill_on_drop: false }` [INFO] [stderr] Compiling bindgen v0.53.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling rust_icu_uloc v1.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling rust_icu_sys v1.0.0 [INFO] [stderr] Compiling rust_icu_common v1.0.0 [INFO] [stderr] Compiling rust_icu_ustring v1.0.0 [INFO] [stderr] Compiling rust_icu_uenum v1.0.0 [INFO] [stderr] Compiling rust_icu_uformattable v1.0.0 [INFO] [stderr] Compiling rust_icu_unum v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(proc_macro_hygiene)] [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_unum` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "689c9aa77cb0f406e0a742193a60effff3cfcfa3891ed098efc6f7429a7d8ad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "689c9aa77cb0f406e0a742193a60effff3cfcfa3891ed098efc6f7429a7d8ad5", kill_on_drop: false }` [INFO] [stdout] 689c9aa77cb0f406e0a742193a60effff3cfcfa3891ed098efc6f7429a7d8ad5