[INFO] fetching crate variantly 0.4.0... [INFO] checking variantly-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate variantly 0.4.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate variantly 0.4.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate variantly 0.4.0 [INFO] finished tweaking crates.io crate variantly 0.4.0 [INFO] tweaked toml for crates.io crate variantly 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding darling v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding darling_core v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding darling_macro v0.11.0 (latest: v0.20.10) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.10.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd7bf5a7d5ac792dd788c3025eb9b9a43b8954d37838b1c31d47f9c72ee58b52 [INFO] running `Command { std: "docker" "start" "-a" "cd7bf5a7d5ac792dd788c3025eb9b9a43b8954d37838b1c31d47f9c72ee58b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd7bf5a7d5ac792dd788c3025eb9b9a43b8954d37838b1c31d47f9c72ee58b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd7bf5a7d5ac792dd788c3025eb9b9a43b8954d37838b1c31d47f9c72ee58b52", kill_on_drop: false }` [INFO] [stdout] cd7bf5a7d5ac792dd788c3025eb9b9a43b8954d37838b1c31d47f9c72ee58b52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3b44278698d2eef5ebca7fcaaa64f858a24b19d097ec1672b6f137ec14e41e2 [INFO] running `Command { std: "docker" "start" "-a" "f3b44278698d2eef5ebca7fcaaa64f858a24b19d097ec1672b6f137ec14e41e2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Checking darling_core v0.11.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Compiling darling_macro v0.11.0 [INFO] [stderr] Checking darling v0.11.0 [INFO] [stderr] Checking variantly v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` 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 `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ident`, `attrs`, and `vis` are never read [INFO] [stdout] --> src/input.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct FieldParsed { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 21 | pub ident: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | pub ty: Type, [INFO] [stdout] 23 | pub attrs: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub vis: Visibility, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FieldParsed` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.28s [INFO] running `Command { std: "docker" "inspect" "f3b44278698d2eef5ebca7fcaaa64f858a24b19d097ec1672b6f137ec14e41e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3b44278698d2eef5ebca7fcaaa64f858a24b19d097ec1672b6f137ec14e41e2", kill_on_drop: false }` [INFO] [stdout] f3b44278698d2eef5ebca7fcaaa64f858a24b19d097ec1672b6f137ec14e41e2