[INFO] fetching crate macroscope-macro 0.1.1... [INFO] checking macroscope-macro-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate macroscope-macro 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate macroscope-macro 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate macroscope-macro 0.1.1 [INFO] finished tweaking crates.io crate macroscope-macro 0.1.1 [INFO] tweaked toml for crates.io crate macroscope-macro 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages [INFO] [stderr] Adding derive-syn-parse v0.1.5 (latest: v0.2.0) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.1.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.9) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive-syn-parse v0.1.5 [INFO] [stderr] Downloaded macroscope-utils v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58b6df3343e712010c16c6a51705fe9daf2e8b081d33d48a55cbb567f39cb61b [INFO] running `Command { std: "docker" "start" "-a" "58b6df3343e712010c16c6a51705fe9daf2e8b081d33d48a55cbb567f39cb61b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58b6df3343e712010c16c6a51705fe9daf2e8b081d33d48a55cbb567f39cb61b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b6df3343e712010c16c6a51705fe9daf2e8b081d33d48a55cbb567f39cb61b", kill_on_drop: false }` [INFO] [stdout] 58b6df3343e712010c16c6a51705fe9daf2e8b081d33d48a55cbb567f39cb61b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51eb560a44b6b76c75f72cd89689f1bb310b728da7b5c2e2b97b3ab24985f5d5 [INFO] running `Command { std: "docker" "start" "-a" "51eb560a44b6b76c75f72cd89689f1bb310b728da7b5c2e2b97b3ab24985f5d5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking macroscope-utils v0.1.1 [INFO] [stderr] Compiling derive-syn-parse v0.1.5 [INFO] [stderr] Checking macroscope-macro v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `extra` is never read [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct UsingArgs { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | extra: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsingArgs` has a derived impl for the trait `Debug`, 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: fields `pipe` and `crates` are never read [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 45 | struct UsingArgsExtra { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 46 | pipe: Token![|], [INFO] [stdout] | ^^^^ [INFO] [stdout] 47 | #[parse_terminated(parse_str)] [INFO] [stdout] 48 | crates: Punctuated, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsingArgsExtra` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `extra` is never read [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct UsingArgs { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 13 | extra: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsingArgs` has a derived impl for the trait `Debug`, 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: fields `pipe` and `crates` are never read [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 45 | struct UsingArgsExtra { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 46 | pipe: Token![|], [INFO] [stdout] | ^^^^ [INFO] [stdout] 47 | #[parse_terminated(parse_str)] [INFO] [stdout] 48 | crates: Punctuated, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsingArgsExtra` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s [INFO] running `Command { std: "docker" "inspect" "51eb560a44b6b76c75f72cd89689f1bb310b728da7b5c2e2b97b3ab24985f5d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51eb560a44b6b76c75f72cd89689f1bb310b728da7b5c2e2b97b3ab24985f5d5", kill_on_drop: false }` [INFO] [stdout] 51eb560a44b6b76c75f72cd89689f1bb310b728da7b5c2e2b97b3ab24985f5d5