[INFO] fetching crate packed_struct_codegen 0.10.1...
[INFO] checking packed_struct_codegen-0.10.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate packed_struct_codegen 0.10.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate packed_struct_codegen 0.10.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51e51e97d8f2d21d8048774c4ad6db3dcd23ee1d1099629c60248e011045bfaa
[INFO] running `Command { std: "docker" "start" "-a" "51e51e97d8f2d21d8048774c4ad6db3dcd23ee1d1099629c60248e011045bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e51e97d8f2d21d8048774c4ad6db3dcd23ee1d1099629c60248e011045bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e51e97d8f2d21d8048774c4ad6db3dcd23ee1d1099629c60248e011045bfaa", kill_on_drop: false }`
[INFO] [stdout] 51e51e97d8f2d21d8048774c4ad6db3dcd23ee1d1099629c60248e011045bfaa
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69aa42406ecb74b73e8b712d28478d5e0c0f600c20be24832b1d396798cbc01
[INFO] running `Command { std: "docker" "start" "-a" "d69aa42406ecb74b73e8b712d28478d5e0c0f600c20be24832b1d396798cbc01", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking proc-macro2 v1.0.101
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking 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)]` 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: 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)]` 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 3.35s
[INFO] running `Command { std: "docker" "inspect" "d69aa42406ecb74b73e8b712d28478d5e0c0f600c20be24832b1d396798cbc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69aa42406ecb74b73e8b712d28478d5e0c0f600c20be24832b1d396798cbc01", kill_on_drop: false }`
[INFO] [stdout] d69aa42406ecb74b73e8b712d28478d5e0c0f600c20be24832b1d396798cbc01