[INFO] fetching crate evergreen 0.0.1...
[INFO] testing evergreen-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate evergreen 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate evergreen 0.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evergreen 0.0.1
[INFO] finished tweaking crates.io crate evergreen 0.0.1
[INFO] tweaked toml for crates.io crate evergreen 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate evergreen 0.0.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded form_urlencoded v1.2.0
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] [stderr]   Downloaded time-macros v0.2.15
[INFO] [stderr]   Downloaded deranged v0.3.9
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded dirs v5.0.1
[INFO] [stderr]   Downloaded refinery-core v0.8.11
[INFO] [stderr]   Downloaded time v0.3.30
[INFO] [stderr]   Downloaded idna v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded libsqlite3-sys v0.26.0
[INFO] [stderr]   Downloaded openpgp v0.3.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.10
[INFO] [stderr]   Downloaded iocore v0.100.1
[INFO] [stderr]   Downloaded markdown v0.3.0
[INFO] [stderr]   Downloaded clap_builder v4.4.6
[INFO] [stderr]   Downloaded rustix v0.38.20
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded bstr v1.7.0
[INFO] [stderr]   Downloaded winnow v0.5.17
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded rusqlite v0.29.0
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded anstyle-parse v0.2.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.1
[INFO] [stderr]   Downloaded anstream v0.6.4
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded terminal_size v0.3.0
[INFO] [stderr]   Downloaded clap_derive v4.4.2
[INFO] [stderr]   Downloaded clap v4.4.6
[INFO] [stderr]   Downloaded errno v0.3.5
[INFO] [stderr]   Downloaded shellexpand v3.1.0
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded siphasher v1.0.0
[INFO] [stderr]   Downloaded indexmap v2.0.2
[INFO] [stderr]   Downloaded url v2.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded async-trait v0.1.74
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded hashlink v0.8.4
[INFO] [stderr]   Downloaded refinery v0.8.11
[INFO] [stderr]   Downloaded refinery-macros v0.8.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5330750222888f16fffec5469988b1d4d51744382aa222a8a35392dd76f9725
[INFO] running `Command { std: "docker" "start" "-a" "d5330750222888f16fffec5469988b1d4d51744382aa222a8a35392dd76f9725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5330750222888f16fffec5469988b1d4d51744382aa222a8a35392dd76f9725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5330750222888f16fffec5469988b1d4d51744382aa222a8a35392dd76f9725", kill_on_drop: false }`
[INFO] [stdout] d5330750222888f16fffec5469988b1d4d51744382aa222a8a35392dd76f9725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cecb4a6aed03a6bd353ffb8c2c8796addf90cc2ecd0d8ed119c323261fbe5d76
[INFO] running `Command { std: "docker" "start" "-a" "cecb4a6aed03a6bd353ffb8c2c8796addf90cc2ecd0d8ed119c323261fbe5d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling deranged v0.3.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling siphasher v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling time v0.3.30
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling rusqlite v0.29.0
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling openpgp v0.3.0
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling clap v4.4.6
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling refinery-core v0.8.11
[INFO] [stderr]    Compiling refinery-macros v0.8.11
[INFO] [stderr]    Compiling bstr v1.7.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.10.2/src/lib.rs:1317:42
[INFO] [stdout]      |
[INFO] [stdout] 1317 | #![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" "cecb4a6aed03a6bd353ffb8c2c8796addf90cc2ecd0d8ed119c323261fbe5d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecb4a6aed03a6bd353ffb8c2c8796addf90cc2ecd0d8ed119c323261fbe5d76", kill_on_drop: false }`
[INFO] [stdout] cecb4a6aed03a6bd353ffb8c2c8796addf90cc2ecd0d8ed119c323261fbe5d76
[INFO] testing evergreen-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate evergreen 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate evergreen 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evergreen 0.0.1
[INFO] finished tweaking crates.io crate evergreen 0.0.1
[INFO] tweaked toml for crates.io crate evergreen 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate evergreen 0.0.1 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 224dd539e9b0e41c39d53d81ac620d0d9be576a389328f72c935858dcf12f360
[INFO] running `Command { std: "docker" "start" "-a" "224dd539e9b0e41c39d53d81ac620d0d9be576a389328f72c935858dcf12f360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224dd539e9b0e41c39d53d81ac620d0d9be576a389328f72c935858dcf12f360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224dd539e9b0e41c39d53d81ac620d0d9be576a389328f72c935858dcf12f360", kill_on_drop: false }`
[INFO] [stdout] 224dd539e9b0e41c39d53d81ac620d0d9be576a389328f72c935858dcf12f360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6188643bac9d2c586247e8c15890b6dd843e219cdac14fc498e41727caf1ddea
[INFO] running `Command { std: "docker" "start" "-a" "6188643bac9d2c586247e8c15890b6dd843e219cdac14fc498e41727caf1ddea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling deranged v0.3.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling siphasher v1.0.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling time v0.3.30
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling rusqlite v0.29.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling openpgp v0.3.0
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling clap v4.4.6
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling refinery-core v0.8.11
[INFO] [stderr]    Compiling refinery-macros v0.8.11
[INFO] [stderr]    Compiling bstr v1.7.0
[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-1.10.2/src/lib.rs:1317:42
[INFO] [stdout]      |
[INFO] [stdout] 1317 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]      |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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" "6188643bac9d2c586247e8c15890b6dd843e219cdac14fc498e41727caf1ddea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6188643bac9d2c586247e8c15890b6dd843e219cdac14fc498e41727caf1ddea", kill_on_drop: false }`
[INFO] [stdout] 6188643bac9d2c586247e8c15890b6dd843e219cdac14fc498e41727caf1ddea
