[INFO] fetching crate every_variant 0.4.5... [INFO] checking every_variant-0.4.5 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate every_variant 0.4.5 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate every_variant 0.4.5 [INFO] finished tweaking crates.io crate every_variant 0.4.5 [INFO] tweaked toml for crates.io crate every_variant 0.4.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate every_variant 0.4.5 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 33 packages to latest compatible versions [INFO] [stderr] Adding heapless v0.7.17 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86569aa407f3ef03f2e1020c031a811a36fda118b1161262cee53482fa31efa0 [INFO] running `Command { std: "docker" "start" "-a" "86569aa407f3ef03f2e1020c031a811a36fda118b1161262cee53482fa31efa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86569aa407f3ef03f2e1020c031a811a36fda118b1161262cee53482fa31efa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86569aa407f3ef03f2e1020c031a811a36fda118b1161262cee53482fa31efa0", kill_on_drop: false }` [INFO] [stdout] 86569aa407f3ef03f2e1020c031a811a36fda118b1161262cee53482fa31efa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f84f1381bfbc3898fc7e012992b4273a2965e7f40a32623e2b3a2626d6fc6687 [INFO] running `Command { std: "docker" "start" "-a" "f84f1381bfbc3898fc7e012992b4273a2965e7f40a32623e2b3a2626d6fc6687", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling every_variant_macro v0.3.1 [INFO] [stderr] Checking every_variant v0.4.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std_impl::*` [INFO] [stdout] --> src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use std_impl::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std_impl::*` [INFO] [stdout] --> src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | pub use std_impl::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rendermethod` and `text` are never read [INFO] [stdout] --> src/std_impl.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 182 | struct FormattedMessage { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 183 | /// Enum dictating how to render the string, None means its hidden [INFO] [stdout] 184 | rendermethod: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 185 | /// The optional content of the message [INFO] [stdout] 186 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FormattedMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `message`, `number`, `opt`, `nest`, and `second` are never read [INFO] [stdout] --> src/std_impl.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 208 | pub struct Message { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 209 | pub message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 210 | pub number: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 211 | pub opt: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 212 | pub nest: Top, [INFO] [stdout] | ^^^^ [INFO] [stdout] 213 | pub second: SecondTop, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/std_impl.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | Two(Nested), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SecondTop` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 219 - Two(Nested), [INFO] [stdout] 219 + Two(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/std_impl.rs:226:16 [INFO] [stdout] | [INFO] [stdout] 226 | Nested(Nested), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Top` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 226 - Nested(Nested), [INFO] [stdout] 226 + Nested(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestUnnamed3` is never constructed [INFO] [stdout] --> src/std_impl.rs:237:16 [INFO] [stdout] | [INFO] [stdout] 237 | pub struct TestUnnamed3(pub u16); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/std_impl.rs:262:23 [INFO] [stdout] | [INFO] [stdout] 262 | UnnamedSingle(u16), [INFO] [stdout] | ------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestUnnamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 262 - UnnamedSingle(u16), [INFO] [stdout] 262 + UnnamedSingle(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/std_impl.rs:263:26 [INFO] [stdout] | [INFO] [stdout] 263 | UnnamedMultiple1(u16, u32), [INFO] [stdout] | ---------------- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestUnnamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 263 - UnnamedMultiple1(u16, u32), [INFO] [stdout] 263 + UnnamedMultiple1((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/std_impl.rs:264:26 [INFO] [stdout] | [INFO] [stdout] 264 | UnnamedMultiple2(u16, u32, u64, i32), [INFO] [stdout] | ---------------- ^^^ ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestUnnamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 264 - UnnamedMultiple2(u16, u32, u64, i32), [INFO] [stdout] 264 + UnnamedMultiple2((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/std_impl.rs:281:29 [INFO] [stdout] | [INFO] [stdout] 281 | pub struct TestUnnamed2(u16, u32, u64); [INFO] [stdout] | ------------ ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `TestUnnamed2` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/std_impl.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | pub struct Generic1(Gen1, Gen2); [INFO] [stdout] | -------- ^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Generic1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/std_impl.rs:312:12 [INFO] [stdout] | [INFO] [stdout] 312 | G1(Gen1), [INFO] [stdout] | -- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Generic2` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 312 - G1(Gen1), [INFO] [stdout] 312 + G1(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/std_impl.rs:313:12 [INFO] [stdout] | [INFO] [stdout] 313 | G2(Gen2), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Generic2` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 313 - G2(Gen2), [INFO] [stdout] 313 + G2(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `first` is never read [INFO] [stdout] --> src/std_impl.rs:326:23 [INFO] [stdout] | [INFO] [stdout] 326 | NamedSingle { first: u16 }, [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestNamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first` and `second` are never read [INFO] [stdout] --> src/std_impl.rs:327:26 [INFO] [stdout] | [INFO] [stdout] 327 | NamedMultiple1 { first: u16, second: u32 }, [INFO] [stdout] | -------------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestNamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> src/std_impl.rs:328:26 [INFO] [stdout] | [INFO] [stdout] 328 | NamedMultiple2 { first: u16, second: u32, third: u64 }, [INFO] [stdout] | -------------- ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TestNamed1` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.82s [INFO] running `Command { std: "docker" "inspect" "f84f1381bfbc3898fc7e012992b4273a2965e7f40a32623e2b3a2626d6fc6687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f84f1381bfbc3898fc7e012992b4273a2965e7f40a32623e2b3a2626d6fc6687", kill_on_drop: false }` [INFO] [stdout] f84f1381bfbc3898fc7e012992b4273a2965e7f40a32623e2b3a2626d6fc6687