[INFO] fetching crate named-item-derive 0.2.0...
[INFO] checking named-item-derive-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate named-item-derive 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate named-item-derive 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate named-item-derive 0.2.0
[INFO] tweaked toml for crates.io crate named-item-derive 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate named-item-derive 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate named-item-derive 0.2.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.101
[INFO] [stderr]   Downloaded target-triple v0.1.3
[INFO] [stderr]   Downloaded named-item v0.6.0
[INFO] [stderr]   Downloaded syn v2.0.94
[INFO] [stderr]   Downloaded winnow v0.6.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25969a6c120d4722e4fcb6617a8ecfbd7e2b38b6008ea77a0cc7f32aa72c9d9f
[INFO] running `Command { std: "docker" "start" "-a" "25969a6c120d4722e4fcb6617a8ecfbd7e2b38b6008ea77a0cc7f32aa72c9d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25969a6c120d4722e4fcb6617a8ecfbd7e2b38b6008ea77a0cc7f32aa72c9d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25969a6c120d4722e4fcb6617a8ecfbd7e2b38b6008ea77a0cc7f32aa72c9d9f", kill_on_drop: false }`
[INFO] [stdout] 25969a6c120d4722e4fcb6617a8ecfbd7e2b38b6008ea77a0cc7f32aa72c9d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e5b12dfc8d5c3ac0b0433ecc6172fc2f09af9141ac8d623e7a05e4cae71946
[INFO] running `Command { std: "docker" "start" "-a" "04e5b12dfc8d5c3ac0b0433ecc6172fc2f09af9141ac8d623e7a05e4cae71946", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking export-magic v0.3.6
[INFO] [stderr]     Checking winnow v0.6.21
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking serde v1.0.217
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking language-enum v0.1.0
[INFO] [stderr]     Checking 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" "04e5b12dfc8d5c3ac0b0433ecc6172fc2f09af9141ac8d623e7a05e4cae71946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e5b12dfc8d5c3ac0b0433ecc6172fc2f09af9141ac8d623e7a05e4cae71946", kill_on_drop: false }`
[INFO] [stdout] 04e5b12dfc8d5c3ac0b0433ecc6172fc2f09af9141ac8d623e7a05e4cae71946