[INFO] fetching crate structopt-derive 0.4.18...
[INFO] building structopt-derive-0.4.18 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] extracting crate structopt-derive 0.4.18 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate structopt-derive 0.4.18 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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: v2.0.95)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85e80bb94bc774a4afe48fd4d3b548194e843f5f4df7d88dc586f32746e61403
[INFO] running `Command { std: "docker" "start" "-a" "85e80bb94bc774a4afe48fd4d3b548194e843f5f4df7d88dc586f32746e61403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e80bb94bc774a4afe48fd4d3b548194e843f5f4df7d88dc586f32746e61403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e80bb94bc774a4afe48fd4d3b548194e843f5f4df7d88dc586f32746e61403", kill_on_drop: false }`
[INFO] [stdout] 85e80bb94bc774a4afe48fd4d3b548194e843f5f4df7d88dc586f32746e61403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3449e840848cf60ad3f928aefcadbc70bcb8a1d2e9ea902d4519b94bab69667
[INFO] running `Command { std: "docker" "start" "-a" "b3449e840848cf60ad3f928aefcadbc70bcb8a1d2e9ea902d4519b94bab69667", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling 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]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling 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: 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<Token![=]>,
[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 7.66s
[INFO] running `Command { std: "docker" "inspect" "b3449e840848cf60ad3f928aefcadbc70bcb8a1d2e9ea902d4519b94bab69667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3449e840848cf60ad3f928aefcadbc70bcb8a1d2e9ea902d4519b94bab69667", kill_on_drop: false }`
[INFO] [stdout] b3449e840848cf60ad3f928aefcadbc70bcb8a1d2e9ea902d4519b94bab69667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a003fd3c1ecc7c114ce27745f1b388f1e50bd37d89fb19c52fad55c6bc3ea2
[INFO] running `Command { std: "docker" "start" "-a" "03a003fd3c1ecc7c114ce27745f1b388f1e50bd37d89fb19c52fad55c6bc3ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<Token![=]>,
[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((), 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<Token![=]>,
[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 `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "03a003fd3c1ecc7c114ce27745f1b388f1e50bd37d89fb19c52fad55c6bc3ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a003fd3c1ecc7c114ce27745f1b388f1e50bd37d89fb19c52fad55c6bc3ea2", kill_on_drop: false }`
[INFO] [stdout] 03a003fd3c1ecc7c114ce27745f1b388f1e50bd37d89fb19c52fad55c6bc3ea2
