[INFO] fetching crate irsc 0.1.1...
[INFO] testing irsc-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate irsc 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate irsc 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irsc 0.1.1
[INFO] finished tweaking crates.io crate irsc 0.1.1
[INFO] tweaked toml for crates.io crate irsc 0.1.1 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded regex_macros v0.2.0
[INFO] [stderr]   Downloaded env_logger v0.11.1
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74945c97d1c1ca88c55e730a328bdcb7501a92e812ba372b7ff4837bfca19278
[INFO] running `Command { std: "docker" "start" "-a" "74945c97d1c1ca88c55e730a328bdcb7501a92e812ba372b7ff4837bfca19278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74945c97d1c1ca88c55e730a328bdcb7501a92e812ba372b7ff4837bfca19278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74945c97d1c1ca88c55e730a328bdcb7501a92e812ba372b7ff4837bfca19278", kill_on_drop: false }`
[INFO] [stdout] 74945c97d1c1ca88c55e730a328bdcb7501a92e812ba372b7ff4837bfca19278
[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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379e20a0246eb77e6cbac8f8ffd0a097d07cf803e66d47a82c598c3ea08b03fa
[INFO] running `Command { std: "docker" "start" "-a" "379e20a0246eb77e6cbac8f8ffd0a097d07cf803e66d47a82c598c3ea08b03fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-automata v0.4.5
[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 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" "379e20a0246eb77e6cbac8f8ffd0a097d07cf803e66d47a82c598c3ea08b03fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379e20a0246eb77e6cbac8f8ffd0a097d07cf803e66d47a82c598c3ea08b03fa", kill_on_drop: false }`
[INFO] [stdout] 379e20a0246eb77e6cbac8f8ffd0a097d07cf803e66d47a82c598c3ea08b03fa
[INFO] testing irsc-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate irsc 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate irsc 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irsc 0.1.1
[INFO] finished tweaking crates.io crate irsc 0.1.1
[INFO] tweaked toml for crates.io crate irsc 0.1.1 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-2024-02-10" "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-2024-02-10" "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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0f2da28c55ac72877110befe3d72e403697ffe85859a069b8454962893f3eaf
[INFO] running `Command { std: "docker" "start" "-a" "e0f2da28c55ac72877110befe3d72e403697ffe85859a069b8454962893f3eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f2da28c55ac72877110befe3d72e403697ffe85859a069b8454962893f3eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f2da28c55ac72877110befe3d72e403697ffe85859a069b8454962893f3eaf", kill_on_drop: false }`
[INFO] [stdout] e0f2da28c55ac72877110befe3d72e403697ffe85859a069b8454962893f3eaf
[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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b293d615c52394f158f6c25284b71a4cbc5717e92abb353993adeb770141d4
[INFO] running `Command { std: "docker" "start" "-a" "45b293d615c52394f158f6c25284b71a4cbc5717e92abb353993adeb770141d4", 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 utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[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 v0.4.5
[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" "45b293d615c52394f158f6c25284b71a4cbc5717e92abb353993adeb770141d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b293d615c52394f158f6c25284b71a4cbc5717e92abb353993adeb770141d4", kill_on_drop: false }`
[INFO] [stdout] 45b293d615c52394f158f6c25284b71a4cbc5717e92abb353993adeb770141d4
