[INFO] fetching crate preftool-clap-derive 0.2.0... [INFO] checking preftool-clap-derive-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate preftool-clap-derive 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] finished tweaking crates.io crate preftool-clap-derive 0.2.0 [INFO] tweaked toml for crates.io crate preftool-clap-derive 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate preftool-clap-derive 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.45) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.101) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.40) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded preftool v0.2.0 [INFO] [stderr] Downloaded slog-stdlog v3.0.5 [INFO] [stderr] Downloaded preftool-clap v0.2.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d5c1dda3ac1b062a5ee06325c61acf11a313d55bdd68c392f1fa43baee47c8e [INFO] running `Command { std: "docker" "start" "-a" "1d5c1dda3ac1b062a5ee06325c61acf11a313d55bdd68c392f1fa43baee47c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d5c1dda3ac1b062a5ee06325c61acf11a313d55bdd68c392f1fa43baee47c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d5c1dda3ac1b062a5ee06325c61acf11a313d55bdd68c392f1fa43baee47c8e", kill_on_drop: false }` [INFO] [stdout] 1d5c1dda3ac1b062a5ee06325c61acf11a313d55bdd68c392f1fa43baee47c8e [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae5ecac140754e4a8067ec9e30db1ef06249d48a4f252c75b600bc29bc87d843 [INFO] running `Command { std: "docker" "start" "-a" "ae5ecac140754e4a8067ec9e30db1ef06249d48a4f252c75b600bc29bc87d843", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking rustc-demangle v0.1.26 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking tinyvec v1.10.0 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking caseless v0.2.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking preftool-clap-derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking preftool v0.2.0 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | Unnamed(usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 14 - Unnamed(usize), [INFO] [stdout] 14 + Unnamed(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking preftool-clap v0.2.0 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | Unnamed(usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 14 - Unnamed(usize), [INFO] [stdout] 14 + Unnamed(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | Unnamed(usize), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 14 - Unnamed(usize), [INFO] [stdout] 14 + Unnamed(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `host`, `port`, and `cert` are never read [INFO] [stdout] --> tests/simple.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Server { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | #[preftool_clap(help = "Server host")] [INFO] [stdout] 8 | host: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | port: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | cert: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `binding` is never read [INFO] [stdout] --> tests/enum.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 29 | binding: Binding, [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 17.59s [INFO] [stdout] warning: fields `host`, `port`, and `cert` are never read [INFO] [stdout] --> tests/nested.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Server { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | #[preftool_clap(help = "Server host")] [INFO] [stdout] 8 | host: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | port: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | cert: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> tests/nested.rs:19:3 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Settings { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 19 | server: Server, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ae5ecac140754e4a8067ec9e30db1ef06249d48a4f252c75b600bc29bc87d843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae5ecac140754e4a8067ec9e30db1ef06249d48a4f252c75b600bc29bc87d843", kill_on_drop: false }` [INFO] [stdout] ae5ecac140754e4a8067ec9e30db1ef06249d48a4f252c75b600bc29bc87d843