[INFO] fetching crate packing_codegen 0.1.0...
[INFO] checking packing_codegen-0.1.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate packing_codegen 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate packing_codegen 0.1.0
[INFO] finished tweaking crates.io crate packing_codegen 0.1.0
[INFO] tweaked toml for crates.io crate packing_codegen 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate packing_codegen 0.1.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756
[INFO] running `Command { std: "docker" "start" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]     Checking unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking packing_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/lib.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |     Lit { value: Lit, span: Span },
[INFO] [stdout]     |     ---   ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Attr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:473:9
[INFO] [stdout]     |
[INFO] [stdout] 473 | /         (quote! {{
[INFO] [stdout] 474 | |             const W: usize = <#ty as packing::PackedSize>::BYTES;
[INFO] [stdout] 475 | |             let mut field_bytes = [0; W];
[INFO] [stdout] 476 | |             <#endian as packing::Endian>::align_field_bits::<#sbit, #ebit>(&bytes[#sbyte..=#ebyte], &mut field_bytes);
[INFO] [stdout] 477 | |             <#ty as packing::PackedBytes<[u8; W]>>::from_bytes::<#endian>(field_bytes)?
[INFO] [stdout] 478 | |         }}).into()
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 490 | /         (quote! {{
[INFO] [stdout] 491 | |             const W: usize = <#ty as packing::PackedSize>::BYTES;
[INFO] [stdout] 492 | |             let field_bytes = <#ty as packing::PackedBytes<[u8; W]>>::to_bytes::<#endian>(&self.#name)?;
[INFO] [stdout] 493 | |             <#endian as packing::Endian>::restore_field_bits::<#sbit, #ebit>(&field_bytes, &mut bytes[#sbyte..=#ebyte]);
[INFO] [stdout] 494 | |         }}).into()
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packing_codegen` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/lib.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 |     Lit { value: Lit, span: Span },
[INFO] [stdout]     |     ---   ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Attr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:473:9
[INFO] [stdout]     |
[INFO] [stdout] 473 | /         (quote! {{
[INFO] [stdout] 474 | |             const W: usize = <#ty as packing::PackedSize>::BYTES;
[INFO] [stdout] 475 | |             let mut field_bytes = [0; W];
[INFO] [stdout] 476 | |             <#endian as packing::Endian>::align_field_bits::<#sbit, #ebit>(&bytes[#sbyte..=#ebyte], &mut field_bytes);
[INFO] [stdout] 477 | |             <#ty as packing::PackedBytes<[u8; W]>>::from_bytes::<#endian>(field_bytes)?
[INFO] [stdout] 478 | |         }}).into()
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 490 | /         (quote! {{
[INFO] [stdout] 491 | |             const W: usize = <#ty as packing::PackedSize>::BYTES;
[INFO] [stdout] 492 | |             let field_bytes = <#ty as packing::PackedBytes<[u8; W]>>::to_bytes::<#endian>(&self.#name)?;
[INFO] [stdout] 493 | |             <#endian as packing::Endian>::restore_field_bits::<#sbit, #ebit>(&field_bytes, &mut bytes[#sbyte..=#ebyte]);
[INFO] [stdout] 494 | |         }}).into()
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `packing_codegen` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756", kill_on_drop: false }`
[INFO] [stdout] e743d52e4489c91d944ca697cf2c8a993765ce68c19d816bf90399eef8a09756
