[INFO] fetching crate variantly 0.4.0... [INFO] checking variantly-0.4.0 against master#cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd for pr-145463 [INFO] extracting crate variantly 0.4.0 into /workspace/builds/worker-1-tc1/source [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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate variantly 0.4.0 on toolchain cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "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" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "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 22 packages to latest compatible versions [INFO] [stderr] Adding darling v0.11.0 (available: v0.21.2) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [INFO] [stderr] Adding uuid v0.8.2 (available: v1.18.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2999020561b75c320b1907d2c343de30d79e393c2534625999960652cc03777 [INFO] running `Command { std: "docker" "start" "-a" "c2999020561b75c320b1907d2c343de30d79e393c2534625999960652cc03777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2999020561b75c320b1907d2c343de30d79e393c2534625999960652cc03777", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2999020561b75c320b1907d2c343de30d79e393c2534625999960652cc03777", kill_on_drop: false }` [INFO] [stdout] c2999020561b75c320b1907d2c343de30d79e393c2534625999960652cc03777 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cd7cbe818e4a66d46fe2df993d1b8518eba8a5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01b332dd10b6f447e70892eff09eba5e001b747cc5e35b0c3a44c7f3f5674f95 [INFO] running `Command { std: "docker" "start" "-a" "01b332dd10b6f447e70892eff09eba5e001b747cc5e35b0c3a44c7f3f5674f95", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking darling_core v0.11.0 [INFO] [stderr] Checking regex v1.11.1 [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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.13s [INFO] running `Command { std: "docker" "inspect" "01b332dd10b6f447e70892eff09eba5e001b747cc5e35b0c3a44c7f3f5674f95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b332dd10b6f447e70892eff09eba5e001b747cc5e35b0c3a44c7f3f5674f95", kill_on_drop: false }` [INFO] [stdout] 01b332dd10b6f447e70892eff09eba5e001b747cc5e35b0c3a44c7f3f5674f95