[INFO] fetching crate stem-derive-core 1.0.0...
[INFO] testing stem-derive-core-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stem-derive-core 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stem-derive-core 1.0.0
[INFO] finished tweaking crates.io crate stem-derive-core 1.0.0
[INFO] tweaked toml for crates.io crate stem-derive-core 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stem-derive-core 1.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stem-derive-core 1.0.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75fe16b10cb1b673c0836887dff90edccdcbfc5fc5dfae5c81b26ceaf0033ba
[INFO] running `Command { std: "docker" "start" "-a" "b75fe16b10cb1b673c0836887dff90edccdcbfc5fc5dfae5c81b26ceaf0033ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75fe16b10cb1b673c0836887dff90edccdcbfc5fc5dfae5c81b26ceaf0033ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75fe16b10cb1b673c0836887dff90edccdcbfc5fc5dfae5c81b26ceaf0033ba", kill_on_drop: false }`
[INFO] [stdout] b75fe16b10cb1b673c0836887dff90edccdcbfc5fc5dfae5c81b26ceaf0033ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c03592bbf51466d69f587d3737dc1f4b1706772bbd3599cfca7c230baf316fa9
[INFO] running `Command { std: "docker" "start" "-a" "c03592bbf51466d69f587d3737dc1f4b1706772bbd3599cfca7c230baf316fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling stem-derive-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / #![forbid(unsafe_code)]
[INFO] [stdout]   2 | | #![warn(missing_docs)]
[INFO] [stdout]   3 | | #![cfg_attr(
[INFO] [stdout]   4 | |     not(test),
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn impl_stem_newtype(input: &DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "c03592bbf51466d69f587d3737dc1f4b1706772bbd3599cfca7c230baf316fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03592bbf51466d69f587d3737dc1f4b1706772bbd3599cfca7c230baf316fa9", kill_on_drop: false }`
[INFO] [stdout] c03592bbf51466d69f587d3737dc1f4b1706772bbd3599cfca7c230baf316fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f31b155c5396b86ed833f6b4d5bd83e6a230a494b70345de7ff24d93e5187594
[INFO] running `Command { std: "docker" "start" "-a" "f31b155c5396b86ed833f6b4d5bd83e6a230a494b70345de7ff24d93e5187594", kill_on_drop: false }`
[INFO] [stderr]    Compiling stem-derive-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / #![forbid(unsafe_code)]
[INFO] [stdout]   2 | | #![warn(missing_docs)]
[INFO] [stdout]   3 | | #![cfg_attr(
[INFO] [stdout]   4 | |     not(test),
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn impl_stem_newtype(input: &DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> src/lib.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout]   1 | / #![forbid(unsafe_code)]
[INFO] [stdout]   2 | | #![warn(missing_docs)]
[INFO] [stdout]   3 | | #![cfg_attr(
[INFO] [stdout]   4 | |     not(test),
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn impl_stem_newtype(input: &DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "f31b155c5396b86ed833f6b4d5bd83e6a230a494b70345de7ff24d93e5187594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31b155c5396b86ed833f6b4d5bd83e6a230a494b70345de7ff24d93e5187594", kill_on_drop: false }`
[INFO] [stdout] f31b155c5396b86ed833f6b4d5bd83e6a230a494b70345de7ff24d93e5187594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83b7e5f5c541ee23c3a0f16b68ad5e833b7d93e8a174f85f979fa83e7c88d776
[INFO] running `Command { std: "docker" "start" "-a" "83b7e5f5c541ee23c3a0f16b68ad5e833b7d93e8a174f85f979fa83e7c88d776", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for the crate
[INFO] [stderr]    --> src/lib.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr]   1 | / #![forbid(unsafe_code)]
[INFO] [stderr]   2 | | #![warn(missing_docs)]
[INFO] [stderr]   3 | | #![cfg_attr(
[INFO] [stderr]   4 | |     not(test),
[INFO] [stderr] ...   |
[INFO] [stderr] 114 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr]   2 | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a function
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn impl_stem_newtype(input: &DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stem-derive-core` (lib) generated 2 warnings
[INFO] [stderr] warning: `stem-derive-core` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stem_derive_core-4a882be2fb3abd61)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_valid_struct ... ok
[INFO] [stdout] test tests::test_clamping_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stem_derive_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83b7e5f5c541ee23c3a0f16b68ad5e833b7d93e8a174f85f979fa83e7c88d776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b7e5f5c541ee23c3a0f16b68ad5e833b7d93e8a174f85f979fa83e7c88d776", kill_on_drop: false }`
[INFO] [stdout] 83b7e5f5c541ee23c3a0f16b68ad5e833b7d93e8a174f85f979fa83e7c88d776
