[INFO] fetching crate workspacer-3p 0.5.2...
[INFO] checking workspacer-3p-0.5.2 against 1.95.0 for pr-155915
[INFO] extracting crate workspacer-3p 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate workspacer-3p 0.5.2
[INFO] finished tweaking crates.io crate workspacer-3p 0.5.2
[INFO] tweaked toml for crates.io crate workspacer-3p 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate workspacer-3p 0.5.2 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 workspacer-3p 0.5.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] db2ccf78471d235fe29fced4082960f0e02b7215d05b2c1a81fba9e07e67fbd9
[INFO] running `Command { std: "docker" "start" "-a" "db2ccf78471d235fe29fced4082960f0e02b7215d05b2c1a81fba9e07e67fbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2ccf78471d235fe29fced4082960f0e02b7215d05b2c1a81fba9e07e67fbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2ccf78471d235fe29fced4082960f0e02b7215d05b2c1a81fba9e07e67fbd9", kill_on_drop: false }`
[INFO] [stdout] db2ccf78471d235fe29fced4082960f0e02b7215d05b2c1a81fba9e07e67fbd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ab874c4531a6a7075d5f30fbcc44b687de4364627809fdc201f17c4381417a2
[INFO] running `Command { std: "docker" "start" "-a" "4ab874c4531a6a7075d5f30fbcc44b687de4364627809fdc201f17c4381417a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
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[INFO] [stderr]     Checking icu_provider v1.5.0
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[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking icu_collections v1.5.0
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[INFO] [stderr]    Compiling ra_ap_parser v0.0.237
[INFO] [stderr]     Checking export-magic v0.3.6
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.237
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]    Compiling pest_derive v2.8.0
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[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]     Checking h2 v0.4.8
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling plural-derive v0.1.0
[INFO] [stderr]    Compiling ai-descriptor-derive v0.5.0
[INFO] [stderr]    Compiling random-constructible-derive v0.10.0
[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]    Compiling scan-crate-for-typedefs v0.8.1
[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" "4ab874c4531a6a7075d5f30fbcc44b687de4364627809fdc201f17c4381417a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab874c4531a6a7075d5f30fbcc44b687de4364627809fdc201f17c4381417a2", kill_on_drop: false }`
[INFO] [stdout] 4ab874c4531a6a7075d5f30fbcc44b687de4364627809fdc201f17c4381417a2
