[INFO] fetching crate saltine-caeser 0.3.0...
[INFO] testing saltine-caeser-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate saltine-caeser 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate saltine-caeser 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate saltine-caeser 0.3.0
[INFO] tweaked toml for crates.io crate saltine-caeser 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate saltine-caeser 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate saltine-caeser 0.3.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b51aae0e82c35667db3bc2a41e19a9870b911a18958d468943d39edfd5b2a73a
[INFO] running `Command { std: "docker" "start" "-a" "b51aae0e82c35667db3bc2a41e19a9870b911a18958d468943d39edfd5b2a73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51aae0e82c35667db3bc2a41e19a9870b911a18958d468943d39edfd5b2a73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51aae0e82c35667db3bc2a41e19a9870b911a18958d468943d39edfd5b2a73a", kill_on_drop: false }`
[INFO] [stdout] b51aae0e82c35667db3bc2a41e19a9870b911a18958d468943d39edfd5b2a73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c1101e26b919bdf627f997c86b9ff4833d58c9b9bbda7398c95c7de6cdbd2e
[INFO] running `Command { std: "docker" "start" "-a" "06c1101e26b919bdf627f997c86b9ff4833d58c9b9bbda7398c95c7de6cdbd2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling indexmap v2.13.1
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling saltine-core v0.3.0
[INFO] [stderr]    Compiling ordermap v1.1.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling bon-macros v3.9.1
[INFO] [stderr]    Compiling bon v3.9.1
[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-1949cf8c6b5b557f/saltine-core-0.3.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saltine-core` (lib) due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name saltine_core --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/saltine-core-0.3.0/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("caseless", "unchecked"))' -C metadata=61dec12f5c3f4d0e -C extra-filename=-61ace72af1afacbc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b0726fbe6d61d750.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-1e0056997c3d0872.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-e658f8325bd83daf.rmeta --extern ordermap=/opt/rustwide/target/debug/deps/libordermap-55361b555b46a985.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-c0c366aeadbaae6a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d8ac2bc232a663da.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "06c1101e26b919bdf627f997c86b9ff4833d58c9b9bbda7398c95c7de6cdbd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c1101e26b919bdf627f997c86b9ff4833d58c9b9bbda7398c95c7de6cdbd2e", kill_on_drop: false }`
[INFO] [stdout] 06c1101e26b919bdf627f997c86b9ff4833d58c9b9bbda7398c95c7de6cdbd2e
