[INFO] fetching crate struct-convert 1.4.0...
[INFO] checking struct-convert-1.4.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate struct-convert 1.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate struct-convert 1.4.0
[INFO] finished tweaking crates.io crate struct-convert 1.4.0
[INFO] tweaked toml for crates.io crate struct-convert 1.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate struct-convert 1.4.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate struct-convert 1.4.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c25591ec2d9138da5cf24c2dcc445604455535e20c54658c278f384534fe26b
[INFO] running `Command { std: "docker" "start" "-a" "7c25591ec2d9138da5cf24c2dcc445604455535e20c54658c278f384534fe26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c25591ec2d9138da5cf24c2dcc445604455535e20c54658c278f384534fe26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c25591ec2d9138da5cf24c2dcc445604455535e20c54658c278f384534fe26b", kill_on_drop: false }`
[INFO] [stdout] 7c25591ec2d9138da5cf24c2dcc445604455535e20c54658c278f384534fe26b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0a6226790a0a5735105571219ec8da8512ed3319b7c70a85b8eab25b0d7433
[INFO] running `Command { std: "docker" "start" "-a" "4d0a6226790a0a5735105571219ec8da8512ed3319b7c70a85b8eab25b0d7433", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking darling_core v0.14.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]     Checking struct-convert v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `at` are never read
[INFO] [stdout]   --> examples/derivative.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct SomeStruct {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     at: OffsetDateTime,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SomeStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/ignore.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/ignore.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BInner` is never constructed
[INFO] [stdout]  --> examples/all.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BInner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BInner` is never constructed
[INFO] [stdout]  --> examples/from.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BInner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/all.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/all.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AInner` is never constructed
[INFO] [stdout]   --> examples/all.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct AInner {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]   --> examples/from.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct B {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/from.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AInner` is never constructed
[INFO] [stdout]   --> examples/from.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct AInner {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `innerList` should have a snake case name
[INFO] [stdout]   --> examples/from.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     innerList: Vec<BInner>,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `inner_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `innerList` should have a snake case name
[INFO] [stdout]   --> examples/from.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     innerList: Vec<AInner>,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `inner_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/multiple_convert.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> examples/multiple_convert.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct C {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/multiple_convert.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `D` is never constructed
[INFO] [stdout]   --> examples/multiple_convert.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct D {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vo` is never constructed
[INFO] [stdout]   --> examples/multiple_convert.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Vo {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bo` is never constructed
[INFO] [stdout]   --> examples/multiple_convert.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Bo {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_i64` is never used
[INFO] [stdout]   --> examples/multiple_convert.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn to_i64(b: &B) -> i64 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_cid` is never used
[INFO] [stdout]   --> examples/multiple_convert.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn from_cid(c: &C) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_id` is never used
[INFO] [stdout]   --> examples/multiple_convert.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn wrap_id(a: &A) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]  --> examples/custom_expression.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct A {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct B {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct C {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `E` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct E {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `D` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct D {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `F` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct F {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Object` is never constructed
[INFO] [stdout]   --> examples/custom_expression.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub struct Object {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `custom_new` and `new_with_name` are never used
[INFO] [stdout]   --> examples/custom_expression.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |     impl Object {
[INFO] [stdout]    |     ----------- associated functions in this implementation
[INFO] [stdout] 93 |         pub fn custom_new() -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |         pub fn new_with_name(name: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Uuuuuid` is never constructed
[INFO] [stdout]    --> examples/custom_expression.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub struct Uuuuuid {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hex` is never used
[INFO] [stdout]    --> examples/custom_expression.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     impl Uuuuuid {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] 109 |         pub fn hex(self) -> String {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]  --> examples/proxy.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct A {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]   --> examples/proxy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct B {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> examples/proxy.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct C {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Remote` is never constructed
[INFO] [stdout]   --> examples/proxy.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub struct Remote {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/sample.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/sample.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BInner` is never constructed
[INFO] [stdout]  --> examples/option.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BInner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/option.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/option.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AInner` is never constructed
[INFO] [stdout]   --> examples/option.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct AInner {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::b::B`
[INFO] [stdout]  --> examples/scoped.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::b::B;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `struct_convert::Convert`
[INFO] [stdout]  --> examples/scoped.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use struct_convert::Convert;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BInner` is never constructed
[INFO] [stdout]  --> examples/inner.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BInner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/inner.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/inner.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AInner` is never constructed
[INFO] [stdout]   --> examples/inner.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct AInner {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> examples/custom.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct B {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/custom.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct A {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> examples/custom.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct C {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `D` is never constructed
[INFO] [stdout]   --> examples/custom.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct D {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `E` is never constructed
[INFO] [stdout]   --> examples/custom.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct E {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> examples/custom.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Point(i64, i64);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_to_i64` is never used
[INFO] [stdout]   --> examples/custom.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn str_to_i64(a: &A) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_point` is never used
[INFO] [stdout]   --> examples/custom.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn to_point(b: &B) -> Point {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_point_from_d` is never used
[INFO] [stdout]   --> examples/custom.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn to_point_from_d(d: &D) -> Point {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_list` is never used
[INFO] [stdout]   --> examples/performance.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn to_list(_a: &A) -> Vec<BInner> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.01s
[INFO] running `Command { std: "docker" "inspect" "4d0a6226790a0a5735105571219ec8da8512ed3319b7c70a85b8eab25b0d7433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0a6226790a0a5735105571219ec8da8512ed3319b7c70a85b8eab25b0d7433", kill_on_drop: false }`
[INFO] [stdout] 4d0a6226790a0a5735105571219ec8da8512ed3319b7c70a85b8eab25b0d7433