[INFO] fetching crate structopt-derive 0.4.18... [INFO] checking structopt-derive-0.4.18 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate structopt-derive 0.4.18 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate structopt-derive 0.4.18 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate structopt-derive 0.4.18 [INFO] finished tweaking crates.io crate structopt-derive 0.4.18 [INFO] tweaked toml for crates.io crate structopt-derive 0.4.18 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 10 packages to latest compatible versions [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67ef420a7c6cfb077d5a804a1f894a66dfe3edf3b0e91f4baf54c065304cd604 [INFO] running `Command { std: "docker" "start" "-a" "67ef420a7c6cfb077d5a804a1f894a66dfe3edf3b0e91f4baf54c065304cd604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67ef420a7c6cfb077d5a804a1f894a66dfe3edf3b0e91f4baf54c065304cd604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67ef420a7c6cfb077d5a804a1f894a66dfe3edf3b0e91f4baf54c065304cd604", kill_on_drop: false }` [INFO] [stdout] 67ef420a7c6cfb077d5a804a1f894a66dfe3edf3b0e91f4baf54c065304cd604 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63869970229a10e1b21d8c72951320900abc1b30e259426c846c4980952bd1d8 [INFO] running `Command { std: "docker" "start" "-a" "63869970229a10e1b21d8c72951320900abc1b30e259426c846c4980952bd1d8", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking proc-macro2 v1.0.86 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking structopt-derive v0.4.18 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parse.rs:177:28 [INFO] [stdout] | [INFO] [stdout] 177 | "about" => (Ok(About(name, None))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 177 - "about" => (Ok(About(name, None))), [INFO] [stdout] 177 + "about" => Ok(About(name, None)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parse.rs:178:29 [INFO] [stdout] | [INFO] [stdout] 178 | "author" => (Ok(Author(name, None))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 178 - "author" => (Ok(Author(name, None))), [INFO] [stdout] 178 + "author" => Ok(Author(name, None)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parse.rs:177:28 [INFO] [stdout] | [INFO] [stdout] 177 | "about" => (Ok(About(name, None))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 177 - "about" => (Ok(About(name, None))), [INFO] [stdout] 177 + "about" => Ok(About(name, None)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/parse.rs:178:29 [INFO] [stdout] | [INFO] [stdout] 178 | "author" => (Ok(Author(name, None))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 178 - "author" => (Ok(Author(name, None))), [INFO] [stdout] 178 + "author" => Ok(Author(name, None)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parse.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | RenameAllEnv(Ident, LitStr), [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] 30 | RenameAllEnv((), LitStr), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parse.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | RenameAll(Ident, LitStr), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 31 | RenameAll((), LitStr), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `eq_token` is never read [INFO] [stdout] --> src/parse.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 196 | pub struct ParserSpec { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 197 | pub kind: Ident, [INFO] [stdout] 198 | pub eq_token: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parse.rs:30:18 [INFO] [stdout] | [INFO] [stdout] 30 | RenameAllEnv(Ident, LitStr), [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] 30 | RenameAllEnv((), LitStr), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parse.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | RenameAll(Ident, LitStr), [INFO] [stdout] | --------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 31 | RenameAll((), LitStr), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `eq_token` is never read [INFO] [stdout] --> src/parse.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 196 | pub struct ParserSpec { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 197 | pub kind: Ident, [INFO] [stdout] 198 | pub eq_token: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserSpec` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "63869970229a10e1b21d8c72951320900abc1b30e259426c846c4980952bd1d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63869970229a10e1b21d8c72951320900abc1b30e259426c846c4980952bd1d8", kill_on_drop: false }` [INFO] [stdout] 63869970229a10e1b21d8c72951320900abc1b30e259426c846c4980952bd1d8