[INFO] fetching crate struct-convert 1.3.1...
[INFO] checking struct-convert-1.3.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate struct-convert 1.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate struct-convert 1.3.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate struct-convert 1.3.1
[INFO] finished tweaking crates.io crate struct-convert 1.3.1
[INFO] tweaked toml for crates.io crate struct-convert 1.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate struct-convert 1.3.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f9c21e103554e68f5707ef0423774ec6a723061a09fede848338dbf2b20e3b
[INFO] running `Command { std: "docker" "start" "-a" "a1f9c21e103554e68f5707ef0423774ec6a723061a09fede848338dbf2b20e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f9c21e103554e68f5707ef0423774ec6a723061a09fede848338dbf2b20e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f9c21e103554e68f5707ef0423774ec6a723061a09fede848338dbf2b20e3b", kill_on_drop: false }`
[INFO] [stdout] a1f9c21e103554e68f5707ef0423774ec6a723061a09fede848338dbf2b20e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2782e8125d1647b9d88f06bdd3031ae09e4efb0452383719fd23a8c465f4ac96
[INFO] running `Command { std: "docker" "start" "-a" "2782e8125d1647b9d88f06bdd3031ae09e4efb0452383719fd23a8c465f4ac96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking either v1.9.0
[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 v1.3.1 (/opt/rustwide/workdir)
[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: 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: 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: unused import: `struct_convert::Convert`
[INFO] [stdout]  --> examples/scoped.rs:4:7
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[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: 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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 `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/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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 2 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> examples/proxy.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct B {
[INFO] [stdout]    |        - field in this struct
[INFO] [stdout] 12 |     value: i64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `Command { std: "docker" "inspect" "2782e8125d1647b9d88f06bdd3031ae09e4efb0452383719fd23a8c465f4ac96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2782e8125d1647b9d88f06bdd3031ae09e4efb0452383719fd23a8c465f4ac96", kill_on_drop: false }`
[INFO] [stdout] 2782e8125d1647b9d88f06bdd3031ae09e4efb0452383719fd23a8c465f4ac96