[INFO] fetching crate structopt-derive 0.4.18... [INFO] checking structopt-derive-0.4.18 against try#1d0e7c032bf9b905a3165592072b5cc63c491d50 for pr-133502-5 [INFO] extracting crate structopt-derive 0.4.18 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate structopt-derive 0.4.18 on toolchain 1d0e7c032bf9b905a3165592072b5cc63c491d50 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "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-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.100) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a20e739efdc82a7d7ac1f3cdd32704aefd73f17172d04a67b8cead11abeeb0a [INFO] running `Command { std: "docker" "start" "-a" "6a20e739efdc82a7d7ac1f3cdd32704aefd73f17172d04a67b8cead11abeeb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a20e739efdc82a7d7ac1f3cdd32704aefd73f17172d04a67b8cead11abeeb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a20e739efdc82a7d7ac1f3cdd32704aefd73f17172d04a67b8cead11abeeb0a", kill_on_drop: false }` [INFO] [stdout] 6a20e739efdc82a7d7ac1f3cdd32704aefd73f17172d04a67b8cead11abeeb0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1d0e7c032bf9b905a3165592072b5cc63c491d50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33e098c009391e03313b4dcd3b6e2c2b72af8187320929b7f300e610010034b2 [INFO] running `Command { std: "docker" "start" "-a" "33e098c009391e03313b4dcd3b6e2c2b72af8187320929b7f300e610010034b2", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking proc-macro2 v1.0.95 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking syn v1.0.109 [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(Ident, LitStr), [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(Ident, LitStr), [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: 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(Ident, LitStr), [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(Ident, LitStr), [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s [INFO] running `Command { std: "docker" "inspect" "33e098c009391e03313b4dcd3b6e2c2b72af8187320929b7f300e610010034b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33e098c009391e03313b4dcd3b6e2c2b72af8187320929b7f300e610010034b2", kill_on_drop: false }` [INFO] [stdout] 33e098c009391e03313b4dcd3b6e2c2b72af8187320929b7f300e610010034b2