[INFO] fetching crate indigo-structopt-derive 0.4.14...
[INFO] checking indigo-structopt-derive-0.4.14 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate indigo-structopt-derive 0.4.14 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate indigo-structopt-derive 0.4.14
[INFO] finished tweaking crates.io crate indigo-structopt-derive 0.4.14
[INFO] tweaked toml for crates.io crate indigo-structopt-derive 0.4.14 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate indigo-structopt-derive 0.4.14 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e7b4a4e9a67381b8c9a353b01a6ab20fbae50e3fc0b244401aaa547816df71
[INFO] running `Command { std: "docker" "start" "-a" "d2e7b4a4e9a67381b8c9a353b01a6ab20fbae50e3fc0b244401aaa547816df71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e7b4a4e9a67381b8c9a353b01a6ab20fbae50e3fc0b244401aaa547816df71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e7b4a4e9a67381b8c9a353b01a6ab20fbae50e3fc0b244401aaa547816df71", kill_on_drop: false }`
[INFO] [stdout] d2e7b4a4e9a67381b8c9a353b01a6ab20fbae50e3fc0b244401aaa547816df71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69985b2ef9ddad6e63d11e13cd342be9199dc9853a4c9dacddac8c87b0da49f6
[INFO] running `Command { std: "docker" "start" "-a" "69985b2ef9ddad6e63d11e13cd342be9199dc9853a4c9dacddac8c87b0da49f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling syn v1.0.109
[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 heck v0.3.3
[INFO] [stderr]     Checking indigo-structopt-derive v0.4.14 (/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<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(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<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 4.02s
[INFO] running `Command { std: "docker" "inspect" "69985b2ef9ddad6e63d11e13cd342be9199dc9853a4c9dacddac8c87b0da49f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69985b2ef9ddad6e63d11e13cd342be9199dc9853a4c9dacddac8c87b0da49f6", kill_on_drop: false }`
[INFO] [stdout] 69985b2ef9ddad6e63d11e13cd342be9199dc9853a4c9dacddac8c87b0da49f6