[INFO] fetching crate packed_struct_codegen 0.10.1...
[INFO] checking packed_struct_codegen-0.10.1 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate packed_struct_codegen 0.10.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate packed_struct_codegen 0.10.1 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a581a98133b251759ee2ad2c6f136898013f865dbd39875ddf4a390fe8914acc
[INFO] running `Command { std: "docker" "start" "-a" "a581a98133b251759ee2ad2c6f136898013f865dbd39875ddf4a390fe8914acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a581a98133b251759ee2ad2c6f136898013f865dbd39875ddf4a390fe8914acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a581a98133b251759ee2ad2c6f136898013f865dbd39875ddf4a390fe8914acc", kill_on_drop: false }`
[INFO] [stdout] a581a98133b251759ee2ad2c6f136898013f865dbd39875ddf4a390fe8914acc
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb55bc1c6b769ed3f8f083bebf493a3e7f531abd35c02bf812affd9b6863a6eb
[INFO] running `Command { std: "docker" "start" "-a" "cb55bc1c6b769ed3f8f083bebf493a3e7f531abd35c02bf812affd9b6863a6eb", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[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: 2 warnings emitted
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "cb55bc1c6b769ed3f8f083bebf493a3e7f531abd35c02bf812affd9b6863a6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb55bc1c6b769ed3f8f083bebf493a3e7f531abd35c02bf812affd9b6863a6eb", kill_on_drop: false }`
[INFO] [stdout] cb55bc1c6b769ed3f8f083bebf493a3e7f531abd35c02bf812affd9b6863a6eb