[INFO] fetching crate derailleur-derive 0.1.0...
[INFO] linting derailleur-derive-0.1.0 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate derailleur-derive 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate derailleur-derive 0.1.0
[INFO] finished tweaking crates.io crate derailleur-derive 0.1.0
[INFO] tweaked toml for crates.io crate derailleur-derive 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derailleur-derive 0.1.0 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate derailleur-derive 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5981f20edf0fa32a73f03bf088923c1a9dcecca4b4214188202465b66fa8b894
[INFO] running `Command { std: "docker" "start" "-a" "5981f20edf0fa32a73f03bf088923c1a9dcecca4b4214188202465b66fa8b894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5981f20edf0fa32a73f03bf088923c1a9dcecca4b4214188202465b66fa8b894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5981f20edf0fa32a73f03bf088923c1a9dcecca4b4214188202465b66fa8b894", kill_on_drop: false }`
[INFO] [stdout] 5981f20edf0fa32a73f03bf088923c1a9dcecca4b4214188202465b66fa8b894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21a9b5c8421303c71d3861d9f63e4a810c3360a897ec963aa492bc783827b27
[INFO] running `Command { std: "docker" "start" "-a" "f21a9b5c8421303c71d3861d9f63e4a810c3360a897ec963aa492bc783827b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.101
[INFO] [stderr]     Checking derailleur-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/from_record.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 if !existing.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: try: `existing.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/from_record.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 if !existing.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: try: `existing.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]   --> src/from_record.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |           .map(Result::transpose)
[INFO] [stdout]    |  __________^
[INFO] [stdout] 32 | |         .flatten() // Skip fields without an attribute.
[INFO] [stdout]    | |__________________^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(Result::transpose)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]    = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/from_record.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let acc = handler.inputs.iter().nth(0).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `handler.inputs.iter().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]    --> src/from_record.rs:104:23
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let acc = handler.inputs.iter().nth(0).unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `handler.inputs.iter().next()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]   --> src/from_records.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |           .map(Result::transpose)
[INFO] [stdout]    |  __________^
[INFO] [stdout] 28 | |         .flatten() // Skip fields without an attribute.
[INFO] [stdout]    | |__________________^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(Result::transpose)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/from_record.rs:49:20
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 if !existing.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: try: `existing.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/from_record.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 if !existing.is_none() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^ help: try: `existing.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]   --> src/from_record.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |           .map(Result::transpose)
[INFO] [stdout]    |  __________^
[INFO] [stdout] 32 | |         .flatten() // Skip fields without an attribute.
[INFO] [stdout]    | |__________________^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(Result::transpose)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout]    = note: `#[warn(clippy::map_flatten)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/from_record.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let acc = handler.inputs.iter().nth(0).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `handler.inputs.iter().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]    --> src/from_record.rs:104:23
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let acc = handler.inputs.iter().nth(0).unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `handler.inputs.iter().next()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `map(..).flatten()` on `Iterator`
[INFO] [stdout]   --> src/from_records.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |           .map(Result::transpose)
[INFO] [stdout]    |  __________^
[INFO] [stdout] 28 | |         .flatten() // Skip fields without an attribute.
[INFO] [stdout]    | |__________________^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(Result::transpose)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "f21a9b5c8421303c71d3861d9f63e4a810c3360a897ec963aa492bc783827b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21a9b5c8421303c71d3861d9f63e4a810c3360a897ec963aa492bc783827b27", kill_on_drop: false }`
[INFO] [stdout] f21a9b5c8421303c71d3861d9f63e4a810c3360a897ec963aa492bc783827b27