[INFO] fetching crate packed_struct_codegen 0.10.1...
[INFO] checking packed_struct_codegen-0.10.1 against try#306c6aded24f02440063be828ebe601fe5eb8323 for pr-133502-3
[INFO] extracting crate packed_struct_codegen 0.10.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate packed_struct_codegen 0.10.1 on toolchain 306c6aded24f02440063be828ebe601fe5eb8323
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "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: v2.0.100)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35b122e4715bbbdaa0c1f24af75121fae29fe37d76d136ce569056dbb53e7c31
[INFO] running `Command { std: "docker" "start" "-a" "35b122e4715bbbdaa0c1f24af75121fae29fe37d76d136ce569056dbb53e7c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b122e4715bbbdaa0c1f24af75121fae29fe37d76d136ce569056dbb53e7c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b122e4715bbbdaa0c1f24af75121fae29fe37d76d136ce569056dbb53e7c31", kill_on_drop: false }`
[INFO] [stdout] 35b122e4715bbbdaa0c1f24af75121fae29fe37d76d136ce569056dbb53e7c31
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4efcb7215a5d460afceb83701b70869f5e71d0a43824cdda54d80d486cea69fa
[INFO] running `Command { std: "docker" "start" "-a" "4efcb7215a5d460afceb83701b70869f5e71d0a43824cdda54d80d486cea69fa", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "4efcb7215a5d460afceb83701b70869f5e71d0a43824cdda54d80d486cea69fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efcb7215a5d460afceb83701b70869f5e71d0a43824cdda54d80d486cea69fa", kill_on_drop: false }`
[INFO] [stdout] 4efcb7215a5d460afceb83701b70869f5e71d0a43824cdda54d80d486cea69fa