[INFO] fetching crate mux-media 0.15.0...
[INFO] testing mux-media-0.15.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mux-media 0.15.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mux-media 0.15.0
[INFO] finished tweaking crates.io crate mux-media 0.15.0
[INFO] tweaked toml for crates.io crate mux-media 0.15.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mux-media 0.15.0 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 mux-media 0.15.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb37dc419fb22748992e1305d429eb9de3e80ec9d9c73084699c9c2bab011e66
[INFO] running `Command { std: "docker" "start" "-a" "fb37dc419fb22748992e1305d429eb9de3e80ec9d9c73084699c9c2bab011e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb37dc419fb22748992e1305d429eb9de3e80ec9d9c73084699c9c2bab011e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb37dc419fb22748992e1305d429eb9de3e80ec9d9c73084699c9c2bab011e66", kill_on_drop: false }`
[INFO] [stdout] fb37dc419fb22748992e1305d429eb9de3e80ec9d9c73084699c9c2bab011e66
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5433d1ee5d9045967c608e7ccc3b70abe01c52e0b26fb9d7ac08fbf3bd6237
[INFO] running `Command { std: "docker" "start" "-a" "cf5433d1ee5d9045967c608e7ccc3b70abe01c52e0b26fb9d7ac08fbf3bd6237", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling clap v4.5.47
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling which v8.0.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling chardet v0.2.4
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling mux-media v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling bitstream-io v3.2.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling matroska v0.30.0
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling is_default_derive v0.1.0
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling is_default v0.1.0
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.4.1
[INFO] [stderr]    Compiling lazy-regex v3.4.1
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling rsubs-lib v0.3.3
[INFO] [stderr] error: could not compile `mux-media` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name mux_media --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "with_embedded_bins"))' -C metadata=08a55c29a1e2cc45 -C extra-filename=-5ce892d7e2a31641 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-f3dc26942156904f.rmeta --extern chardet=/opt/rustwide/target/debug/deps/libchardet-f71018c33bad016a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-04d25d97fc925a06.rmeta --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-13b0fc9148e8602d.rmeta --extern globset=/opt/rustwide/target/debug/deps/libglobset-3c2de531d82f9236.rmeta --extern is_default=/opt/rustwide/target/debug/deps/libis_default-56db76d562cf8a20.rmeta --extern lazy_regex=/opt/rustwide/target/debug/deps/liblazy_regex-e12c45663cd30fc0.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-40ebd7d040175aeb.rmeta --extern matroska=/opt/rustwide/target/debug/deps/libmatroska-556ed4ae78115d39.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-f005ae51d4b0374b.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-bb752ca2b087c507.rmeta --extern rsubs_lib=/opt/rustwide/target/debug/deps/librsubs_lib-6143bd65b6b01a57.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-45382b3ba7d1f224.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-7237d2aa81c81d53.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-9dddd9b295fff38b.so --extern supports_color=/opt/rustwide/target/debug/deps/libsupports_color-391df5c4efabe439.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-b5d18075a7742539.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-125f7182d57317af.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cf5433d1ee5d9045967c608e7ccc3b70abe01c52e0b26fb9d7ac08fbf3bd6237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5433d1ee5d9045967c608e7ccc3b70abe01c52e0b26fb9d7ac08fbf3bd6237", kill_on_drop: false }`
[INFO] [stdout] cf5433d1ee5d9045967c608e7ccc3b70abe01c52e0b26fb9d7ac08fbf3bd6237