[INFO] fetching crate named_fn 0.2.1... [INFO] testing named_fn-0.2.1 against 1.91.0 for beta-1.92-2 [INFO] extracting crate named_fn 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate named_fn 0.2.1 [INFO] finished tweaking crates.io crate named_fn 0.2.1 [INFO] tweaked toml for crates.io crate named_fn 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate named_fn 0.2.1 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.108) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f7798dd4c24ac11ce202119ba9009eb584a32a43d1472b92d6d8a96e9532c8e [INFO] running `Command { std: "docker" "start" "-a" "5f7798dd4c24ac11ce202119ba9009eb584a32a43d1472b92d6d8a96e9532c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f7798dd4c24ac11ce202119ba9009eb584a32a43d1472b92d6d8a96e9532c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f7798dd4c24ac11ce202119ba9009eb584a32a43d1472b92d6d8a96e9532c8e", kill_on_drop: false }` [INFO] [stdout] 5f7798dd4c24ac11ce202119ba9009eb584a32a43d1472b92d6d8a96e9532c8e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae343dfd573e7b7d07b479a2f6bcbf27397fd3bd2b7c816eacf0279d33ae627e [INFO] running `Command { std: "docker" "start" "-a" "ae343dfd573e7b7d07b479a2f6bcbf27397fd3bd2b7c816eacf0279d33ae627e", kill_on_drop: false }` [INFO] [stderr] Compiling named_fn v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> src/lib.rs:1:40 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{hint::unreachable_unchecked, ops::Deref}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LifetimeDef` and `parse_quote` [INFO] [stdout] --> src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | ...GenericParam, ItemFn, LifetimeDef, Signature, TypeParam, Type, ReturnType, parse_quote_spanned, Pat, parse_quote, Generics}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constness` [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | constness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `constness: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `asyncness` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | asyncness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `asyncness: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsafety` [INFO] [stdout] --> src/lib.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | unsafety, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `unsafety: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `abi` [INFO] [stdout] --> src/lib.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | abi, [INFO] [stdout] | ^^^ help: try ignoring the field: `abi: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fn_token` [INFO] [stdout] --> src/lib.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn_token, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `fn_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `paren_token` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | paren_token, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `paren_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variadic` [INFO] [stdout] --> src/lib.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | variadic, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `variadic: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "ae343dfd573e7b7d07b479a2f6bcbf27397fd3bd2b7c816eacf0279d33ae627e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae343dfd573e7b7d07b479a2f6bcbf27397fd3bd2b7c816eacf0279d33ae627e", kill_on_drop: false }` [INFO] [stdout] ae343dfd573e7b7d07b479a2f6bcbf27397fd3bd2b7c816eacf0279d33ae627e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a0bc05e93621ebcf8b87913063e72e67d8e6bbc91561282114291fe005c2f8e [INFO] running `Command { std: "docker" "start" "-a" "9a0bc05e93621ebcf8b87913063e72e67d8e6bbc91561282114291fe005c2f8e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling named_fn v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> src/lib.rs:1:40 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{hint::unreachable_unchecked, ops::Deref}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LifetimeDef` and `parse_quote` [INFO] [stdout] --> src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | ...GenericParam, ItemFn, LifetimeDef, Signature, TypeParam, Type, ReturnType, parse_quote_spanned, Pat, parse_quote, Generics}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> src/lib.rs:1:40 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{hint::unreachable_unchecked, ops::Deref}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LifetimeDef` and `parse_quote` [INFO] [stdout] --> src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | ...GenericParam, ItemFn, LifetimeDef, Signature, TypeParam, Type, ReturnType, parse_quote_spanned, Pat, parse_quote, Generics}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constness` [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | constness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `constness: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `asyncness` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | asyncness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `asyncness: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsafety` [INFO] [stdout] --> src/lib.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | unsafety, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `unsafety: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `abi` [INFO] [stdout] --> src/lib.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | abi, [INFO] [stdout] | ^^^ help: try ignoring the field: `abi: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fn_token` [INFO] [stdout] --> src/lib.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn_token, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `fn_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `paren_token` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | paren_token, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `paren_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variadic` [INFO] [stdout] --> src/lib.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | variadic, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `variadic: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constness` [INFO] [stdout] --> src/lib.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | constness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `constness: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `asyncness` [INFO] [stdout] --> src/lib.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | asyncness, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `asyncness: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsafety` [INFO] [stdout] --> src/lib.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | unsafety, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `unsafety: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `abi` [INFO] [stdout] --> src/lib.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | abi, [INFO] [stdout] | ^^^ help: try ignoring the field: `abi: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fn_token` [INFO] [stdout] --> src/lib.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn_token, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `fn_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `paren_token` [INFO] [stdout] --> src/lib.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | paren_token, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `paren_token: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variadic` [INFO] [stdout] --> src/lib.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | variadic, [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `variadic: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> tests/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(unboxed_closures, fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> tests/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | fn regular_fn (a: i32, b: Vec) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `named_fn` (test "main") due to 1 previous error; 3 warnings emitted [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> tests/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | fn regular_fn (a: i32, b: Vec) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hi` [INFO] [stdout] --> tests/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let hi = (AsStr::new())(&"alex".to_string()); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9a0bc05e93621ebcf8b87913063e72e67d8e6bbc91561282114291fe005c2f8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a0bc05e93621ebcf8b87913063e72e67d8e6bbc91561282114291fe005c2f8e", kill_on_drop: false }` [INFO] [stdout] 9a0bc05e93621ebcf8b87913063e72e67d8e6bbc91561282114291fe005c2f8e