[INFO] fetching crate regindex 0.2.1...
[INFO] testing regindex-0.2.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate regindex 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate regindex 0.2.1
[INFO] finished tweaking crates.io crate regindex 0.2.1
[INFO] tweaked toml for crates.io crate regindex 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regindex 0.2.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `regindex` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93
[INFO] running `Command { std: "docker" "start" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `regindex` (manifest) generated 1 warning
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling regindex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   |            ^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116412> for more information
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::IntoCow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^-------
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: stability attributes may not be used outside of the standard library
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[stable(since="0.1.0")]
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: missing 'feature'
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[stable(since="0.1.0")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[unstable]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0539]: malformed `unstable` attribute input
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[unstable]
[INFO] [stdout]    |       ^^^^^^^^ expected this to be a list
[INFO] [stdout]    |
[INFO] [stdout] help: must be of the form
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[unstable(feature = "name", reason = "...", issue = "N")]
[INFO] [stdout]    |               +++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[unstable]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0539]: malformed `unstable` attribute input
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[unstable]
[INFO] [stdout]    |       ^^^^^^^^ expected this to be a list
[INFO] [stdout]    |
[INFO] [stdout] help: must be of the form
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[unstable(feature = "name", reason = "...", issue = "N")]
[INFO] [stdout]    |               +++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: stability attributes may not be used outside of the standard library
[INFO] [stdout]   --> src/lib.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable(since="0.1.0")]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0546]: missing 'feature'
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[stable(since="0.1.0")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Index<Result<ReIdx, regex::Error>> for str {
[INFO] [stdout]    | ^^^^^----------------------------------^^^^^---
[INFO] [stdout]    |      |                                      |
[INFO] [stdout]    |      |                                      `str` is not defined in the current crate
[INFO] [stdout]    |      this is not defined in the current crate because this is a foreign trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: impl doesn't have any local type before any uncovered type parameters
[INFO] [stdout]    = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
[INFO] [stdout]    = note: define and implement a trait or new type instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0117, E0432, E0539, E0546, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0117`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regindex` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93", kill_on_drop: false }`
[INFO] [stdout] 46eff2d3d4278b22e014024be4096a24ab9f5e8d986646107608a72cc7114a93
