[INFO] fetching crate fasters_derive 0.4.0... [INFO] testing fasters_derive-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fasters_derive 0.4.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate fasters_derive 0.4.0 [INFO] finished tweaking crates.io crate fasters_derive 0.4.0 [INFO] tweaked toml for crates.io crate fasters_derive 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fasters_derive 0.4.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding darling v0.12.4 (available: v0.21.3) [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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c886c37a47c5f04036cc121963446c9582df435efebda42a61102d4c5f3020f [INFO] running `Command { std: "docker" "start" "-a" "6c886c37a47c5f04036cc121963446c9582df435efebda42a61102d4c5f3020f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c886c37a47c5f04036cc121963446c9582df435efebda42a61102d4c5f3020f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c886c37a47c5f04036cc121963446c9582df435efebda42a61102d4c5f3020f", kill_on_drop: false }` [INFO] [stdout] 6c886c37a47c5f04036cc121963446c9582df435efebda42a61102d4c5f3020f [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 010375f09e2c830df37c0deccf4f9f8583ed861d39e2f610bc9d0e88bcf6ee5e [INFO] running `Command { std: "docker" "start" "-a" "010375f09e2c830df37c0deccf4f9f8583ed861d39e2f610bc9d0e88bcf6ee5e", kill_on_drop: false }` [INFO] [stderr] Compiling darling_core v0.12.4 [INFO] [stderr] Compiling darling_macro v0.12.4 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Compiling fasters_derive v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ty` and `rust_type` are never read [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct MessageStructureField { [INFO] [stdout] | --------------------- fields in this struct [INFO] [stdout] 35 | ident: Option, [INFO] [stdout] 36 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 39 | rust_type: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructureField` has derived impls for the traits `Clone` and `Debug`, but these are 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] warning: field `msg_type` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 44 | struct MessageStructure { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 47 | msg_type: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructure` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Absolute` is never constructed [INFO] [stdout] --> src/lib.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum CratePath { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 51 | Absolute, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `gen_transforms` and `gen_set_field` are never used [INFO] [stdout] --> src/lib.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 60 | impl GeneratorContext { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | fn gen_transforms(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn gen_set_field(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/lib.rs:143:6 [INFO] [stdout] | [INFO] [stdout] 143 | enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s [INFO] running `Command { std: "docker" "inspect" "010375f09e2c830df37c0deccf4f9f8583ed861d39e2f610bc9d0e88bcf6ee5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "010375f09e2c830df37c0deccf4f9f8583ed861d39e2f610bc9d0e88bcf6ee5e", kill_on_drop: false }` [INFO] [stdout] 010375f09e2c830df37c0deccf4f9f8583ed861d39e2f610bc9d0e88bcf6ee5e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a96c507ddb3b24b78f9a66effe18cfc1c7cc9ee3187dc9c93c83249f3dc7a79 [INFO] running `Command { std: "docker" "start" "-a" "9a96c507ddb3b24b78f9a66effe18cfc1c7cc9ee3187dc9c93c83249f3dc7a79", kill_on_drop: false }` [INFO] [stderr] Compiling fasters_derive v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ty` and `rust_type` are never read [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct MessageStructureField { [INFO] [stdout] | --------------------- fields in this struct [INFO] [stdout] 35 | ident: Option, [INFO] [stdout] 36 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 39 | rust_type: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructureField` has derived impls for the traits `Clone` and `Debug`, but these are 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] warning: field `msg_type` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 44 | struct MessageStructure { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 47 | msg_type: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructure` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Absolute` is never constructed [INFO] [stdout] --> src/lib.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum CratePath { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 51 | Absolute, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `gen_transforms` and `gen_set_field` are never used [INFO] [stdout] --> src/lib.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 60 | impl GeneratorContext { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | fn gen_transforms(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn gen_set_field(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/lib.rs:143:6 [INFO] [stdout] | [INFO] [stdout] 143 | enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ty` and `rust_type` are never read [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct MessageStructureField { [INFO] [stdout] | --------------------- fields in this struct [INFO] [stdout] 35 | ident: Option, [INFO] [stdout] 36 | ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 39 | rust_type: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructureField` has derived impls for the traits `Clone` and `Debug`, but these are 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] warning: field `msg_type` is never read [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 44 | struct MessageStructure { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 47 | msg_type: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessageStructure` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Absolute` is never constructed [INFO] [stdout] --> src/lib.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum CratePath { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 51 | Absolute, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `gen_transforms` and `gen_set_field` are never used [INFO] [stdout] --> src/lib.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 60 | impl GeneratorContext { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | fn gen_transforms(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn gen_set_field(&self) -> TokenStream2 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/lib.rs:143:6 [INFO] [stdout] | [INFO] [stdout] 143 | enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "9a96c507ddb3b24b78f9a66effe18cfc1c7cc9ee3187dc9c93c83249f3dc7a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a96c507ddb3b24b78f9a66effe18cfc1c7cc9ee3187dc9c93c83249f3dc7a79", kill_on_drop: false }` [INFO] [stdout] 9a96c507ddb3b24b78f9a66effe18cfc1c7cc9ee3187dc9c93c83249f3dc7a79 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3a4758d09aa7b3ac7f2df8b0f4184cf65004499623e3b2b8081343befaf4f7b5 [INFO] running `Command { std: "docker" "start" "-a" "3a4758d09aa7b3ac7f2df8b0f4184cf65004499623e3b2b8081343befaf4f7b5", kill_on_drop: false }` [INFO] [stderr] warning: fields `ty` and `rust_type` are never read [INFO] [stderr] --> src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 34 | struct MessageStructureField { [INFO] [stderr] | --------------------- fields in this struct [INFO] [stderr] 35 | ident: Option, [INFO] [stderr] 36 | ty: syn::Type, [INFO] [stderr] | ^^ [INFO] [stderr] ... [INFO] [stderr] 39 | rust_type: String, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MessageStructureField` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `msg_type` is never read [INFO] [stderr] --> src/lib.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 44 | struct MessageStructure { [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 47 | msg_type: String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MessageStructure` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: variant `Absolute` is never constructed [INFO] [stderr] --> src/lib.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 50 | enum CratePath { [INFO] [stderr] | --------- variant in this enum [INFO] [stderr] 51 | Absolute, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `gen_transforms` and `gen_set_field` are never used [INFO] [stderr] --> src/lib.rs:68:8 [INFO] [stderr] | [INFO] [stderr] 60 | impl GeneratorContext { [INFO] [stderr] | --------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 68 | fn gen_transforms(&self) -> TokenStream2 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 90 | fn gen_set_field(&self) -> TokenStream2 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Error` is never used [INFO] [stderr] --> src/lib.rs:143:6 [INFO] [stderr] | [INFO] [stderr] 143 | enum Error { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `fasters_derive` (lib) generated 5 warnings [INFO] [stderr] warning: `fasters_derive` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fasters_derive-7b3ba281e90c0cc1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests fasters_derive [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3a4758d09aa7b3ac7f2df8b0f4184cf65004499623e3b2b8081343befaf4f7b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a4758d09aa7b3ac7f2df8b0f4184cf65004499623e3b2b8081343befaf4f7b5", kill_on_drop: false }` [INFO] [stdout] 3a4758d09aa7b3ac7f2df8b0f4184cf65004499623e3b2b8081343befaf4f7b5