[INFO] fetching crate derive_more 0.99.17...
[INFO] checking derive_more-0.99.17 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate derive_more 0.99.17 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate derive_more 0.99.17 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 derive_more 0.99.17
[INFO] removed 1 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate derive_more 0.99.17
[INFO] tweaked toml for crates.io crate derive_more 0.99.17 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate derive_more 0.99.17 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 83fd8c62f21ee39e90ffaac8d681ca6ec36aa627072c7e62ead2441d93675c3f
[INFO] running `Command { std: "docker" "start" "-a" "83fd8c62f21ee39e90ffaac8d681ca6ec36aa627072c7e62ead2441d93675c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fd8c62f21ee39e90ffaac8d681ca6ec36aa627072c7e62ead2441d93675c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fd8c62f21ee39e90ffaac8d681ca6ec36aa627072c7e62ead2441d93675c3f", kill_on_drop: false }`
[INFO] [stdout] 83fd8c62f21ee39e90ffaac8d681ca6ec36aa627072c7e62ead2441d93675c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4817e162ed53585b6e1946f5135c3f7a5300ec2a7ddd8eb46ac61b1c90b66e52
[INFO] running `Command { std: "docker" "start" "-a" "4817e162ed53585b6e1946f5135c3f7a5300ec2a7ddd8eb46ac61b1c90b66e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking derive_more v0.99.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> tests/error/derives_for_enums_with_source.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NamedImplicitNoSource {
[INFO] [stdout]   |     --------------------- field in this variant
[INFO] [stdout] 8 |         field: i32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NamedImplicitSource {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] 11 |         source: SimpleErr,
[INFO] [stdout] 12 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NamedExplicitNoSource {
[INFO] [stdout]    |     --------------------- fields in this variant
[INFO] [stdout] 15 |         #[error(not(source))]
[INFO] [stdout] 16 |         source: SimpleErr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     NamedExplicitSource {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 22 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NamedExplicitNoSourceRedundant {
[INFO] [stdout]    |     ------------------------------ field in this variant
[INFO] [stdout] 25 |         #[error(not(source))]
[INFO] [stdout] 26 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     NamedExplicitSourceRedundant {
[INFO] [stdout]    |     ---------------------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 31 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     NamedExplicitSuppressesImplicit {
[INFO] [stdout]    |     ------------------------------- field in this variant
[INFO] [stdout] 34 |         source: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     NamedIgnore {
[INFO] [stdout]    |     ----------- fields in this variant
[INFO] [stdout] 48 |         #[error(ignore)]
[INFO] [stdout] 49 |         source: SimpleErr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 50 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     NamedIgnoreRedundant {
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 54 |         #[error(ignore)]
[INFO] [stdout] 55 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     NamedVariantIgnore {
[INFO] [stdout]    |     ------------------ fields in this variant
[INFO] [stdout] 60 |         source: SimpleErr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 61 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_enums_with_source.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     NamedVariantIgnoreRedundant {
[INFO] [stdout]    |     --------------------------- field in this variant
[INFO] [stdout] 67 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> tests/error/derives_for_generic_enums_with_source.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NamedImplicitNoSource {
[INFO] [stdout]   |     --------------------- field in this variant
[INFO] [stdout] 8 |         field: T,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     NamedImplicitSource {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] 11 |         source: E,
[INFO] [stdout] 12 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NamedExplicitNoSource {
[INFO] [stdout]    |     --------------------- fields in this variant
[INFO] [stdout] 15 |         #[error(not(source))]
[INFO] [stdout] 16 |         source: E,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     NamedExplicitSource {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 22 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     NamedExplicitNoSourceRedundant {
[INFO] [stdout]    |     ------------------------------ field in this variant
[INFO] [stdout] 25 |         #[error(not(source))]
[INFO] [stdout] 26 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     NamedExplicitSourceRedundant {
[INFO] [stdout]    |     ---------------------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 31 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     NamedExplicitSuppressesImplicit {
[INFO] [stdout]    |     ------------------------------- field in this variant
[INFO] [stdout] 34 |         source: T,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     NamedIgnore {
[INFO] [stdout]    |     ----------- fields in this variant
[INFO] [stdout] 45 |         #[error(ignore)]
[INFO] [stdout] 46 |         source: E,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 47 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     NamedIgnoreRedundant {
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 51 |         #[error(ignore)]
[INFO] [stdout] 52 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     NamedVariantIgnore {
[INFO] [stdout]    |     ------------------ fields in this variant
[INFO] [stdout] 57 |         source: E,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 58 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_enums_with_source.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     NamedVariantIgnoreRedundant {
[INFO] [stdout]    |     --------------------------- field in this variant
[INFO] [stdout] 64 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]  --> tests/error/derives_for_generic_structs_with_source.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct TestErr<T> {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 8 |         field: T,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct TestErr<E, T> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 19 |         source: E,
[INFO] [stdout] 20 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     struct TestErr<E, T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 33 |         #[error(not(source))]
[INFO] [stdout] 34 |         source: E,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 35 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     struct TestErr<E, T> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     struct TestErr<T> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 62 |         #[error(not(source))]
[INFO] [stdout] 63 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     struct TestErr<E, T> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |         field: T,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> tests/error/derives_for_generic_structs_with_source.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     struct TestErr<E, T> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 89 |         source: E,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]    --> tests/error/derives_for_generic_structs_with_source.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     struct TestErr<E, T> {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 164 |         #[error(ignore)]
[INFO] [stdout] 165 |         source: E,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 166 |         field: T,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]    --> tests/error/derives_for_generic_structs_with_source.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     struct TestErr<T> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 186 |         #[error(ignore)]
[INFO] [stdout] 187 |         field: T,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]    --> tests/error/derives_for_generic_structs_with_source.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct TestErr<E, T> {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 208 |         source: E,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 209 |         field: T,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]    --> tests/error/derives_for_generic_structs_with_source.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     struct TestErr<T> {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 231 |         field: T,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 13 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |         source: SimpleErr,
[INFO] [stdout] 25 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     struct TestErr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 38 |         #[error(not(source))]
[INFO] [stdout] 39 |         source: SimpleErr,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 40 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 66 |         #[error(not(source))]
[INFO] [stdout] 67 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |         field: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> tests/error/derives_for_structs_with_source.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     struct TestErr {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 93 |         source: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]    --> tests/error/derives_for_structs_with_source.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     struct TestErr {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 168 |         #[error(ignore)]
[INFO] [stdout] 169 |         source: SimpleErr,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 170 |         field: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]    --> tests/error/derives_for_structs_with_source.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     struct TestErr {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 190 |         #[error(ignore)]
[INFO] [stdout] 191 |         field: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `field` are never read
[INFO] [stdout]    --> tests/error/derives_for_structs_with_source.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     struct TestErr {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 212 |         source: SimpleErr,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 213 |         field: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field` is never read
[INFO] [stdout]    --> tests/error/derives_for_structs_with_source.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     struct TestErr {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 235 |         field: i32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "4817e162ed53585b6e1946f5135c3f7a5300ec2a7ddd8eb46ac61b1c90b66e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4817e162ed53585b6e1946f5135c3f7a5300ec2a7ddd8eb46ac61b1c90b66e52", kill_on_drop: false }`
[INFO] [stdout] 4817e162ed53585b6e1946f5135c3f7a5300ec2a7ddd8eb46ac61b1c90b66e52
