[INFO] fetching crate elm_rs_derive 0.2.1...
[INFO] checking elm_rs_derive-0.2.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate elm_rs_derive 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate elm_rs_derive 0.2.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elm_rs_derive 0.2.1
[INFO] finished tweaking crates.io crate elm_rs_derive 0.2.1
[INFO] tweaked toml for crates.io crate elm_rs_derive 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3f2e1bf23a4d36b1a0220da2645c350b87862922f5bb5b23fb26a200fe6061
[INFO] running `Command { std: "docker" "start" "-a" "9a3f2e1bf23a4d36b1a0220da2645c350b87862922f5bb5b23fb26a200fe6061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3f2e1bf23a4d36b1a0220da2645c350b87862922f5bb5b23fb26a200fe6061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3f2e1bf23a4d36b1a0220da2645c350b87862922f5bb5b23fb26a200fe6061", kill_on_drop: false }`
[INFO] [stdout] 9a3f2e1bf23a4d36b1a0220da2645c350b87862922f5bb5b23fb26a200fe6061
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d9bafdf4d48f461b8ff55d018a176e848891fa46445b5292cc296e3a5b56c3
[INFO] running `Command { std: "docker" "start" "-a" "a2d9bafdf4d48f461b8ff55d018a176e848891fa46445b5292cc296e3a5b56c3", kill_on_drop: false }`
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking elm_rs_derive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_list`
[INFO] [stdout]   --> src/attributes.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/attributes.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut attributes = Self::default();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_attributes`
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         container_attributes: &ContainerAttributes,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field_attributes`
[INFO] [stdout]    --> src/lib.rs:241:27
[INFO] [stdout]     |
[INFO] [stdout] 241 |             .map(|(field, field_attributes)| {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_attributes`
[INFO] [stdout]    --> src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let variant_attributes = VariantAttributes::parse(&variant.attrs);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_attributes` is never read
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Intermediate {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     container_attributes: ContainerAttributes,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 255 | struct EnumVariant {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 258 |     span: Span,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_attributes`
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         container_attributes: &ContainerAttributes,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field_attributes`
[INFO] [stdout]    --> src/lib.rs:241:27
[INFO] [stdout]     |
[INFO] [stdout] 241 |             .map(|(field, field_attributes)| {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_field_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_attributes`
[INFO] [stdout]    --> src/lib.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let variant_attributes = VariantAttributes::parse(&variant.attrs);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `container_attributes` is never read
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Intermediate {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 66 |     container_attributes: ContainerAttributes,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/lib.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 255 | struct EnumVariant {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 258 |     span: Span,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a2d9bafdf4d48f461b8ff55d018a176e848891fa46445b5292cc296e3a5b56c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d9bafdf4d48f461b8ff55d018a176e848891fa46445b5292cc296e3a5b56c3", kill_on_drop: false }`
[INFO] [stdout] a2d9bafdf4d48f461b8ff55d018a176e848891fa46445b5292cc296e3a5b56c3
