[INFO] fetching crate structmeta-derive 0.3.0... [INFO] testing structmeta-derive-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate structmeta-derive 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate structmeta-derive 0.3.0 [INFO] finished tweaking crates.io crate structmeta-derive 0.3.0 [INFO] tweaked toml for crates.io crate structmeta-derive 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate structmeta-derive 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6063c7579a28d01188a656f63f2d6ab4cca7fae4695963758ed6e5814a11e93d [INFO] running `Command { std: "docker" "start" "-a" "6063c7579a28d01188a656f63f2d6ab4cca7fae4695963758ed6e5814a11e93d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6063c7579a28d01188a656f63f2d6ab4cca7fae4695963758ed6e5814a11e93d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6063c7579a28d01188a656f63f2d6ab4cca7fae4695963758ed6e5814a11e93d", kill_on_drop: false }` [INFO] [stdout] 6063c7579a28d01188a656f63f2d6ab4cca7fae4695963758ed6e5814a11e93d [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d28e4e03d20be8156c5001f1d1fb0ab68f93d6ef51c7f5f1c1ddeffd292e12ac [INFO] running `Command { std: "docker" "start" "-a" "d28e4e03d20be8156c5001f1d1fb0ab68f93d6ef51c7f5f1c1ddeffd292e12ac", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling structmeta-derive v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/struct_meta.rs:552:10 [INFO] [stdout] | [INFO] [stdout] 552 | Dump(kw::dump), [INFO] [stdout] | ---- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 552 - Dump(kw::dump), [INFO] [stdout] 552 + Dump(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s [INFO] running `Command { std: "docker" "inspect" "d28e4e03d20be8156c5001f1d1fb0ab68f93d6ef51c7f5f1c1ddeffd292e12ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d28e4e03d20be8156c5001f1d1fb0ab68f93d6ef51c7f5f1c1ddeffd292e12ac", kill_on_drop: false }` [INFO] [stdout] d28e4e03d20be8156c5001f1d1fb0ab68f93d6ef51c7f5f1c1ddeffd292e12ac [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 966c10eb439e87be8118c69d6cdd441bc1fb5e4c4ca9fc9a0594273ccc557b82 [INFO] running `Command { std: "docker" "start" "-a" "966c10eb439e87be8118c69d6cdd441bc1fb5e4c4ca9fc9a0594273ccc557b82", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling structmeta-derive v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/struct_meta.rs:552:10 [INFO] [stdout] | [INFO] [stdout] 552 | Dump(kw::dump), [INFO] [stdout] | ---- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 552 - Dump(kw::dump), [INFO] [stdout] 552 + Dump(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/struct_meta.rs:552:10 [INFO] [stdout] | [INFO] [stdout] 552 | Dump(kw::dump), [INFO] [stdout] | ---- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 552 - Dump(kw::dump), [INFO] [stdout] 552 + Dump(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.83s [INFO] running `Command { std: "docker" "inspect" "966c10eb439e87be8118c69d6cdd441bc1fb5e4c4ca9fc9a0594273ccc557b82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "966c10eb439e87be8118c69d6cdd441bc1fb5e4c4ca9fc9a0594273ccc557b82", kill_on_drop: false }` [INFO] [stdout] 966c10eb439e87be8118c69d6cdd441bc1fb5e4c4ca9fc9a0594273ccc557b82 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9cf2d8fb0269b14ca10d272d28cc2a13da5a7d33392fb00cd28fef78f607e02d [INFO] running `Command { std: "docker" "start" "-a" "9cf2d8fb0269b14ca10d272d28cc2a13da5a7d33392fb00cd28fef78f607e02d", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/struct_meta.rs:552:10 [INFO] [stderr] | [INFO] [stderr] 552 | Dump(kw::dump), [INFO] [stderr] | ---- ^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 552 - Dump(kw::dump), [INFO] [stderr] 552 + Dump(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `structmeta-derive` (lib) generated 1 warning [INFO] [stderr] warning: `structmeta-derive` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structmeta_derive-23635d39375a1676) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test struct_meta::tests::test_is_option ... ok [INFO] [stdout] test struct_meta::tests::test_is_option_core ... ok [INFO] [stdout] test struct_meta::tests::test_is_option_std ... ok [INFO] [stdout] test struct_meta::tests::test_is_option_mod ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests structmeta_derive [INFO] [stdout] [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" "9cf2d8fb0269b14ca10d272d28cc2a13da5a7d33392fb00cd28fef78f607e02d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cf2d8fb0269b14ca10d272d28cc2a13da5a7d33392fb00cd28fef78f607e02d", kill_on_drop: false }` [INFO] [stdout] 9cf2d8fb0269b14ca10d272d28cc2a13da5a7d33392fb00cd28fef78f607e02d