[INFO] fetching crate bytebraise 0.1.3...
[INFO] testing bytebraise-0.1.3 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate bytebraise 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bytebraise 0.1.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytebraise 0.1.3
[INFO] finished tweaking crates.io crate bytebraise 0.1.3
[INFO] tweaked toml for crates.io crate bytebraise 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate bytebraise 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded siphasher v0.3.7
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[INFO] [stderr]   Downloaded cow-utils v0.1.2
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.0
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[INFO] [stderr]   Downloaded derive_builder v0.12.0
[INFO] [stderr]   Downloaded anstyle-query v1.0.0
[INFO] [stderr]   Downloaded clap v4.2.2
[INFO] [stderr]   Downloaded python-parser v0.2.0
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded clap_builder v4.2.2
[INFO] [stderr]   Downloaded im-rc v15.1.0
[INFO] [stderr]   Downloaded pyo3 v0.18.3
[INFO] [stderr]   Downloaded conch-parser v0.1.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.3
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[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded darling v0.14.2
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[INFO] [stderr]   Downloaded phf_macros v0.11.1
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[INFO] [stderr]   Downloaded pyo3-macros v0.18.3
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[INFO] [stderr]   Downloaded derive_builder_core v0.12.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68fef56c3788d2d8e4e03ca40368796201b3aa3fb142ba0448021ab328eb4baf
[INFO] running `Command { std: "docker" "start" "-a" "68fef56c3788d2d8e4e03ca40368796201b3aa3fb142ba0448021ab328eb4baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fef56c3788d2d8e4e03ca40368796201b3aa3fb142ba0448021ab328eb4baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fef56c3788d2d8e4e03ca40368796201b3aa3fb142ba0448021ab328eb4baf", kill_on_drop: false }`
[INFO] [stdout] 68fef56c3788d2d8e4e03ca40368796201b3aa3fb142ba0448021ab328eb4baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea36626f48f77ee3ccfde367a6449dd5f67a7bdc65025a93a6eb4970c5789adb
[INFO] running `Command { std: "docker" "start" "-a" "ea36626f48f77ee3ccfde367a6449dd5f67a7bdc65025a93a6eb4970c5789adb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling anstream v0.3.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling clap_builder v4.2.2
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling rowan v0.15.11
[INFO] [stderr]    Compiling conch-parser v0.1.1
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling nested_intervals v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling muncher v0.7.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.3/src/lib.rs:612:42
[INFO] [stdout]     |
[INFO] [stdout] 612 | #![cfg_attr(feature = "pattern", feature(pattern))]
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea36626f48f77ee3ccfde367a6449dd5f67a7bdc65025a93a6eb4970c5789adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea36626f48f77ee3ccfde367a6449dd5f67a7bdc65025a93a6eb4970c5789adb", kill_on_drop: false }`
[INFO] [stdout] ea36626f48f77ee3ccfde367a6449dd5f67a7bdc65025a93a6eb4970c5789adb
