[INFO] fetching crate engineer_derive 0.1.6... [INFO] checking engineer_derive-0.1.6 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate engineer_derive 0.1.6 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate engineer_derive 0.1.6 [INFO] finished tweaking crates.io crate engineer_derive 0.1.6 [INFO] tweaked toml for crates.io crate engineer_derive 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate engineer_derive 0.1.6 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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 v0.14.4 (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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99512cea0778336ceacc8e069cf155230789b21e15eff798abab4207f62f97a1 [INFO] running `Command { std: "docker" "start" "-a" "99512cea0778336ceacc8e069cf155230789b21e15eff798abab4207f62f97a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99512cea0778336ceacc8e069cf155230789b21e15eff798abab4207f62f97a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99512cea0778336ceacc8e069cf155230789b21e15eff798abab4207f62f97a1", kill_on_drop: false }` [INFO] [stdout] 99512cea0778336ceacc8e069cf155230789b21e15eff798abab4207f62f97a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed92bd842e37ecd646919cc493656bd1652a7a9819b3b612abb3c02150a120fa [INFO] running `Command { std: "docker" "start" "-a" "ed92bd842e37ecd646919cc493656bd1652a7a9819b3b612abb3c02150a120fa", kill_on_drop: false }` [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking darling_core v0.14.4 [INFO] [stderr] Checking darling v0.14.4 [INFO] [stderr] Checking engineer_derive v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `filter_options`, `map_names`, and `map_types` are never used [INFO] [stdout] --> src/lib.rs:260:8 [INFO] [stdout] | [INFO] [stdout] 255 | trait FieldsHelpers<'e>: Iterator + Sized { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 260 | fn filter_options(self) -> Vec<&'e EngineerField> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | fn map_names(self) -> Vec<&'e Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 268 | fn map_types(self) -> Vec<&'e Type> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `filter_options`, `map_names`, and `map_types` are never used [INFO] [stdout] --> src/lib.rs:260:8 [INFO] [stdout] | [INFO] [stdout] 255 | trait FieldsHelpers<'e>: Iterator + Sized { [INFO] [stdout] | ------------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 260 | fn filter_options(self) -> Vec<&'e EngineerField> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 264 | fn map_names(self) -> Vec<&'e Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 268 | fn map_types(self) -> Vec<&'e Type> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "ed92bd842e37ecd646919cc493656bd1652a7a9819b3b612abb3c02150a120fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed92bd842e37ecd646919cc493656bd1652a7a9819b3b612abb3c02150a120fa", kill_on_drop: false }` [INFO] [stdout] ed92bd842e37ecd646919cc493656bd1652a7a9819b3b612abb3c02150a120fa