[INFO] fetching crate save-load-traits 0.2.2...
[INFO] testing save-load-traits-0.2.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate save-load-traits 0.2.2 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate save-load-traits 0.2.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.6
[INFO] [stderr]   Downloaded getset v0.1.5
[INFO] [stderr]   Downloaded tracing-setup v1.0.4
[INFO] [stderr]   Downloaded language-enum v0.1.0
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded tracing-attributes v0.1.29
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded pest_generator v2.8.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.7
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded typenum v1.18.0
[INFO] [stderr]   Downloaded pest_derive v2.8.1
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[INFO] [stderr]   Downloaded error-tree v0.6.0
[INFO] [stderr]   Downloaded syn v2.0.103
[INFO] [stderr]   Downloaded pest_meta v2.8.1
[INFO] [stderr]   Downloaded json-repair v0.4.0
[INFO] [stderr]   Downloaded pest v2.8.1
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[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded traced-test v1.0.4
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.5
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded maplit v1.0.2
[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 parking_lot v0.11.2
[INFO] [stderr]   Downloaded bumpalo v3.18.1
[INFO] [stderr]   Downloaded libc v0.2.173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be557e65a38063c940c7dd00e249f4885c3b84078a8b7f974039361a0fd944b9
[INFO] running `Command { std: "docker" "start" "-a" "be557e65a38063c940c7dd00e249f4885c3b84078a8b7f974039361a0fd944b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be557e65a38063c940c7dd00e249f4885c3b84078a8b7f974039361a0fd944b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be557e65a38063c940c7dd00e249f4885c3b84078a8b7f974039361a0fd944b9", kill_on_drop: false }`
[INFO] [stdout] be557e65a38063c940c7dd00e249f4885c3b84078a8b7f974039361a0fd944b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72577a4e950ab0482ff9aa8cd50a35c90a6ed4db259828a88484468bdf156e62
[INFO] running `Command { std: "docker" "start" "-a" "72577a4e950ab0482ff9aa8cd50a35c90a6ed4db259828a88484468bdf156e62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[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 thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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 v1.0.69
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling tracing-setup v1.0.4
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.8.1
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72577a4e950ab0482ff9aa8cd50a35c90a6ed4db259828a88484468bdf156e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72577a4e950ab0482ff9aa8cd50a35c90a6ed4db259828a88484468bdf156e62", kill_on_drop: false }`
[INFO] [stdout] 72577a4e950ab0482ff9aa8cd50a35c90a6ed4db259828a88484468bdf156e62
