[INFO] fetching crate save-load-traits 0.2.2...
[INFO] testing save-load-traits-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate save-load-traits 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate save-load-traits 0.2.2
[INFO] finished tweaking crates.io crate save-load-traits 0.2.2
[INFO] tweaked toml for crates.io crate save-load-traits 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate save-load-traits 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate save-load-traits 0.2.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getset v0.1.5
[INFO] [stderr]   Downloaded language-enum v0.1.0
[INFO] [stderr]   Downloaded error-tree v0.6.0
[INFO] [stderr]   Downloaded named-item v0.6.0
[INFO] [stderr]   Downloaded disable_macro v0.3.6
[INFO] [stderr]   Downloaded export-magic v0.3.6
[INFO] [stderr]   Downloaded tracing-setup v1.0.4
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded derive-error v0.0.5
[INFO] [stderr]   Downloaded json-repair v0.4.0
[INFO] [stderr]   Downloaded traced-test v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13aabcf3aa009d9a3585e390cf4f5f4846f52d7e38f85b5aebc185bbe8467813
[INFO] running `Command { std: "docker" "start" "-a" "13aabcf3aa009d9a3585e390cf4f5f4846f52d7e38f85b5aebc185bbe8467813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13aabcf3aa009d9a3585e390cf4f5f4846f52d7e38f85b5aebc185bbe8467813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13aabcf3aa009d9a3585e390cf4f5f4846f52d7e38f85b5aebc185bbe8467813", kill_on_drop: false }`
[INFO] [stdout] 13aabcf3aa009d9a3585e390cf4f5f4846f52d7e38f85b5aebc185bbe8467813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c61c950e5bda77315a5e7b0f1451f86de9710c14eed3263b45b9e8ed1e53dc92
[INFO] running `Command { std: "docker" "start" "-a" "c61c950e5bda77315a5e7b0f1451f86de9710c14eed3263b45b9e8ed1e53dc92", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling disable_macro v0.3.6
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getset v0.1.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling tracing-setup v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling language-enum v0.1.0
[INFO] [stderr]    Compiling named-item v0.6.0
[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-1949cf8c6b5b557f/named-item-0.6.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[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 `named-item` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c61c950e5bda77315a5e7b0f1451f86de9710c14eed3263b45b9e8ed1e53dc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61c950e5bda77315a5e7b0f1451f86de9710c14eed3263b45b9e8ed1e53dc92", kill_on_drop: false }`
[INFO] [stdout] c61c950e5bda77315a5e7b0f1451f86de9710c14eed3263b45b9e8ed1e53dc92
