[INFO] fetching crate packed_struct_codegen 0.10.1...
[INFO] testing packed_struct_codegen-0.10.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate packed_struct_codegen 0.10.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate packed_struct_codegen 0.10.1
[INFO] finished tweaking crates.io crate packed_struct_codegen 0.10.1
[INFO] tweaked toml for crates.io crate packed_struct_codegen 0.10.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate packed_struct_codegen 0.10.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f20f213b822ba4a6fca1cb20654182115ae7c53739899e4a205066d9c05ec974
[INFO] running `Command { std: "docker" "start" "-a" "f20f213b822ba4a6fca1cb20654182115ae7c53739899e4a205066d9c05ec974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20f213b822ba4a6fca1cb20654182115ae7c53739899e4a205066d9c05ec974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20f213b822ba4a6fca1cb20654182115ae7c53739899e4a205066d9c05ec974", kill_on_drop: false }`
[INFO] [stdout] f20f213b822ba4a6fca1cb20654182115ae7c53739899e4a205066d9c05ec974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2aafcfef6f50cd5ebe73c2d7a571bc119a412d993e862b42241527e224850bc
[INFO] running `Command { std: "docker" "start" "-a" "b2aafcfef6f50cd5ebe73c2d7a571bc119a412d993e862b42241527e224850bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling packed_struct_codegen v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Array {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 19 |         ident: syn::Ident,
[INFO] [stdout] 20 |         size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_struct` is never read
[INFO] [stdout]   --> src/pack.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct PackStruct<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub data_struct: &'a syn::DataStruct,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pack_parse.rs:354:26
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct<'_>> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "b2aafcfef6f50cd5ebe73c2d7a571bc119a412d993e862b42241527e224850bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2aafcfef6f50cd5ebe73c2d7a571bc119a412d993e862b42241527e224850bc", kill_on_drop: false }`
[INFO] [stdout] b2aafcfef6f50cd5ebe73c2d7a571bc119a412d993e862b42241527e224850bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf7c5fd35d9a6bbdb2157fe038e8746913cfa8640b392ceece88e34a899aad6c
[INFO] running `Command { std: "docker" "start" "-a" "bf7c5fd35d9a6bbdb2157fe038e8746913cfa8640b392ceece88e34a899aad6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct_codegen v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Array {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 19 |         ident: syn::Ident,
[INFO] [stdout] 20 |         size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_struct` is never read
[INFO] [stdout]   --> src/pack.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct PackStruct<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub data_struct: &'a syn::DataStruct,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Array {
[INFO] [stdout]    |     ----- field in this variant
[INFO] [stdout] 19 |         ident: syn::Ident,
[INFO] [stdout] 20 |         size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_struct` is never read
[INFO] [stdout]   --> src/pack.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct PackStruct<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub data_struct: &'a syn::DataStruct,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pack_parse.rs:354:26
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct<'_>> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pack_parse.rs:354:26
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct<'_>> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "bf7c5fd35d9a6bbdb2157fe038e8746913cfa8640b392ceece88e34a899aad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7c5fd35d9a6bbdb2157fe038e8746913cfa8640b392ceece88e34a899aad6c", kill_on_drop: false }`
[INFO] [stdout] bf7c5fd35d9a6bbdb2157fe038e8746913cfa8640b392ceece88e34a899aad6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9d0f3fe98043a41262a14e5aa4cd93cbaef4184c8d3e6c8067eda71aa25f07a
[INFO] running `Command { std: "docker" "start" "-a" "c9d0f3fe98043a41262a14e5aa4cd93cbaef4184c8d3e6c8067eda71aa25f07a", kill_on_drop: false }`
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]   --> src/pack.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Array {
[INFO] [stderr]    |     ----- field in this variant
[INFO] [stderr] 19 |         ident: syn::Ident,
[INFO] [stderr] 20 |         size: usize,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `data_struct` is never read
[INFO] [stderr]   --> src/pack.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub struct PackStruct<'a> {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub data_struct: &'a syn::DataStruct,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/pack_parse.rs:354:26
[INFO] [stderr]     |
[INFO] [stderr] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct> {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 354 | pub fn parse_struct(ast: &syn::DeriveInput) -> syn::Result<PackStruct<'_>> {
[INFO] [stderr]     |                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `packed_struct_codegen` (lib) generated 3 warnings (run `cargo fix --lib -p packed_struct_codegen` to apply 1 suggestion)
[INFO] [stderr] warning: `packed_struct_codegen` (lib test) generated 3 warnings (3 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/packed_struct_codegen-03ca806e476fb9e0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pack_parse_attributes::test_parse_position_val ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packed_struct_codegen
[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" "c9d0f3fe98043a41262a14e5aa4cd93cbaef4184c8d3e6c8067eda71aa25f07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d0f3fe98043a41262a14e5aa4cd93cbaef4184c8d3e6c8067eda71aa25f07a", kill_on_drop: false }`
[INFO] [stdout] c9d0f3fe98043a41262a14e5aa4cd93cbaef4184c8d3e6c8067eda71aa25f07a
