[INFO] fetching crate deuterium_plugin 0.5.3...
[INFO] testing deuterium_plugin-0.5.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate deuterium_plugin 0.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate deuterium_plugin 0.5.3 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 deuterium_plugin 0.5.3
[INFO] finished tweaking crates.io crate deuterium_plugin 0.5.3
[INFO] tweaked toml for crates.io crate deuterium_plugin 0.5.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded regex_macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ab16cabb97b857b6406304b91f9d9c3957058483c5ce3cb178d072bafb226523
[INFO] running `Command { std: "docker" "start" "-a" "ab16cabb97b857b6406304b91f9d9c3957058483c5ce3cb178d072bafb226523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab16cabb97b857b6406304b91f9d9c3957058483c5ce3cb178d072bafb226523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab16cabb97b857b6406304b91f9d9c3957058483c5ce3cb178d072bafb226523", kill_on_drop: false }`
[INFO] [stdout] ab16cabb97b857b6406304b91f9d9c3957058483c5ce3cb178d072bafb226523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0f95342c89d8369bfacbab6f78e469f3882ae76b5118b853ca1d9070b21dc3c2
[INFO] running `Command { std: "docker" "start" "-a" "0f95342c89d8369bfacbab6f78e469f3882ae76b5118b853ca1d9070b21dc3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.3
[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-0.2.11/src/lib.rs:522:42
[INFO] [stdout]     |
[INFO] [stdout] 522 | #![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" "0f95342c89d8369bfacbab6f78e469f3882ae76b5118b853ca1d9070b21dc3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f95342c89d8369bfacbab6f78e469f3882ae76b5118b853ca1d9070b21dc3c2", kill_on_drop: false }`
[INFO] [stdout] 0f95342c89d8369bfacbab6f78e469f3882ae76b5118b853ca1d9070b21dc3c2
[INFO] testing deuterium_plugin-0.5.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate deuterium_plugin 0.5.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate deuterium_plugin 0.5.3 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 deuterium_plugin 0.5.3
[INFO] finished tweaking crates.io crate deuterium_plugin 0.5.3
[INFO] tweaked toml for crates.io crate deuterium_plugin 0.5.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eb55c3da30b222f6dce3302dca1ef07c48780545ae748df09b6e231ebc3f3c45
[INFO] running `Command { std: "docker" "start" "-a" "eb55c3da30b222f6dce3302dca1ef07c48780545ae748df09b6e231ebc3f3c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb55c3da30b222f6dce3302dca1ef07c48780545ae748df09b6e231ebc3f3c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb55c3da30b222f6dce3302dca1ef07c48780545ae748df09b6e231ebc3f3c45", kill_on_drop: false }`
[INFO] [stdout] eb55c3da30b222f6dce3302dca1ef07c48780545ae748df09b6e231ebc3f3c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7545606ebaf3792fd45990197dbec49e5c1a392c4d539a1d4875eed459316a21
[INFO] running `Command { std: "docker" "start" "-a" "7545606ebaf3792fd45990197dbec49e5c1a392c4d539a1d4875eed459316a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling time v0.3.31
[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-0.2.11/src/lib.rs:522:42
[INFO] [stdout]     |
[INFO] [stdout] 522 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.3
[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" "7545606ebaf3792fd45990197dbec49e5c1a392c4d539a1d4875eed459316a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7545606ebaf3792fd45990197dbec49e5c1a392c4d539a1d4875eed459316a21", kill_on_drop: false }`
[INFO] [stdout] 7545606ebaf3792fd45990197dbec49e5c1a392c4d539a1d4875eed459316a21
