[INFO] fetching crate mxmlextrema-as3parser 1.7.0...
[INFO] testing mxmlextrema-as3parser-1.7.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mxmlextrema-as3parser 1.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mxmlextrema-as3parser 1.7.0
[INFO] finished tweaking crates.io crate mxmlextrema-as3parser 1.7.0
[INFO] tweaked toml for crates.io crate mxmlextrema-as3parser 1.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mxmlextrema-as3parser 1.7.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mxmlextrema-as3parser 1.7.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93bc6e46147c9851a2ea2e8c23d36b30443f0f624e7623dcbc1acb5f07ab5148
[INFO] running `Command { std: "docker" "start" "-a" "93bc6e46147c9851a2ea2e8c23d36b30443f0f624e7623dcbc1acb5f07ab5148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93bc6e46147c9851a2ea2e8c23d36b30443f0f624e7623dcbc1acb5f07ab5148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bc6e46147c9851a2ea2e8c23d36b30443f0f624e7623dcbc1acb5f07ab5148", kill_on_drop: false }`
[INFO] [stdout] 93bc6e46147c9851a2ea2e8c23d36b30443f0f624e7623dcbc1acb5f07ab5148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e03b581ee045c77c22267a29b8b2b799a2c6d40c7afebf057494a36331cb1b
[INFO] running `Command { std: "docker" "start" "-a" "67e03b581ee045c77c22267a29b8b2b799a2c6d40c7afebf057494a36331cb1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling realhydroper-sourcetext v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling lazy-regex v3.4.1
[INFO] [stderr]    Compiling realhydroper-lateformat v1.0.0
[INFO] [stderr]    Compiling realhydroper-path v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling htmlentity v1.3.2
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling mxmlextrema-as3parser v1.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mxmlextrema-as3parser` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67e03b581ee045c77c22267a29b8b2b799a2c6d40c7afebf057494a36331cb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e03b581ee045c77c22267a29b8b2b799a2c6d40c7afebf057494a36331cb1b", kill_on_drop: false }`
[INFO] [stdout] 67e03b581ee045c77c22267a29b8b2b799a2c6d40c7afebf057494a36331cb1b