[INFO] fetching crate constduck 0.1.0...
[INFO] testing constduck-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate constduck 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate constduck 0.1.0
[INFO] finished tweaking crates.io crate constduck 0.1.0
[INFO] tweaked toml for crates.io crate constduck 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate constduck 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate constduck 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded constduck-procmacro v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded syn v1.0.81
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c39e9ddb17884d1430d402a1d0e021aab786f89d4fec0a9377cf7a8c774701b
[INFO] running `Command { std: "docker" "start" "-a" "9c39e9ddb17884d1430d402a1d0e021aab786f89d4fec0a9377cf7a8c774701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c39e9ddb17884d1430d402a1d0e021aab786f89d4fec0a9377cf7a8c774701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c39e9ddb17884d1430d402a1d0e021aab786f89d4fec0a9377cf7a8c774701b", kill_on_drop: false }`
[INFO] [stdout] 9c39e9ddb17884d1430d402a1d0e021aab786f89d4fec0a9377cf7a8c774701b
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05293cf46d6e28e14c201c0cdf72a884f92714ae0e7965404de5ee0d010d850a
[INFO] running `Command { std: "docker" "start" "-a" "05293cf46d6e28e14c201c0cdf72a884f92714ae0e7965404de5ee0d010d850a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling constduck-procmacro v0.1.0
[INFO] [stderr]    Compiling constduck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/lib.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct FieldListCons<const HEAD: &'static str, T: FieldList>(T);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/lib.rs:125:6
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<const HEAD: &'static str, T: FieldList> FieldList for FieldListCons<HEAD, T> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub trait Field<const NAME: &'static str> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/lib.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub trait WithField<const NAME: &'static str> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constduck` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "05293cf46d6e28e14c201c0cdf72a884f92714ae0e7965404de5ee0d010d850a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05293cf46d6e28e14c201c0cdf72a884f92714ae0e7965404de5ee0d010d850a", kill_on_drop: false }`
[INFO] [stdout] 05293cf46d6e28e14c201c0cdf72a884f92714ae0e7965404de5ee0d010d850a