[INFO] fetching crate bitbash-macros 0.5.1...
[INFO] checking bitbash-macros-0.5.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate bitbash-macros 0.5.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bitbash-macros 0.5.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbash-macros 0.5.1
[INFO] finished tweaking crates.io crate bitbash-macros 0.5.1
[INFO] tweaked toml for crates.io crate bitbash-macros 0.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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: v2.0.76)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f17f2de6e7cba25b63586014106d180c96cacfe62d47f2cc2388f65657985e9e
[INFO] running `Command { std: "docker" "start" "-a" "f17f2de6e7cba25b63586014106d180c96cacfe62d47f2cc2388f65657985e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17f2de6e7cba25b63586014106d180c96cacfe62d47f2cc2388f65657985e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17f2de6e7cba25b63586014106d180c96cacfe62d47f2cc2388f65657985e9e", kill_on_drop: false }`
[INFO] [stdout] f17f2de6e7cba25b63586014106d180c96cacfe62d47f2cc2388f65657985e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d189c496f93299b112e32a77e7bea1e53686a365b9df2886be13cff046f72cee
[INFO] running `Command { std: "docker" "start" "-a" "d189c496f93299b112e32a77e7bea1e53686a365b9df2886be13cff046f72cee", kill_on_drop: false }`
[INFO] [stderr]     Checking bitbash-macros v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `paren_token` and `semi_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct New {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub paren_token: token::Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub init_fields: Punctuated<Ident, Token![,]>,
[INFO] [stdout] 28 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `New` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct DeriveDebug {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeriveDebug` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field_token` and `colon_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub field_token: kw::field,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 43 |     pub name: Ident,
[INFO] [stdout] 44 |     pub colon_token: Token![:],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eq_token` and `semi_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Concatenation {
[INFO] [stdout]    |     ------------- fields in this variant
[INFO] [stdout] 52 |         eq_token: Token![=],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 53 |         bits: Punctuated<Bits, Token![~]>,
[INFO] [stdout] 54 |         semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Composition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Mapping {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 57 |         brace_token: token::Brace,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Composition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arrow_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Relationship {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 64 |     pub from: Bits,
[INFO] [stdout] 65 |     pub arrow_token: Token![=>],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Relationship` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `paren_token` and `semi_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct New {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub paren_token: token::Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |     pub init_fields: Punctuated<Ident, Token![,]>,
[INFO] [stdout] 28 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `New` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct DeriveDebug {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeriveDebug` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field_token` and `colon_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub field_token: kw::field,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 43 |     pub name: Ident,
[INFO] [stdout] 44 |     pub colon_token: Token![:],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eq_token` and `semi_token` are never read
[INFO] [stdout]   --> src/bitfield/parse.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Concatenation {
[INFO] [stdout]    |     ------------- fields in this variant
[INFO] [stdout] 52 |         eq_token: Token![=],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 53 |         bits: Punctuated<Bits, Token![~]>,
[INFO] [stdout] 54 |         semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Composition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Mapping {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 57 |         brace_token: token::Brace,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Composition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arrow_token` is never read
[INFO] [stdout]   --> src/bitfield/parse.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Relationship {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 64 |     pub from: Bits,
[INFO] [stdout] 65 |     pub arrow_token: Token![=>],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Relationship` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "d189c496f93299b112e32a77e7bea1e53686a365b9df2886be13cff046f72cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d189c496f93299b112e32a77e7bea1e53686a365b9df2886be13cff046f72cee", kill_on_drop: false }`
[INFO] [stdout] d189c496f93299b112e32a77e7bea1e53686a365b9df2886be13cff046f72cee