[INFO] fetching crate snafu 0.7.5... [INFO] checking snafu-0.7.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate snafu 0.7.5 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate snafu 0.7.5 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate snafu 0.7.5 [INFO] finished tweaking crates.io crate snafu 0.7.5 [INFO] tweaked toml for crates.io crate snafu 0.7.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding snafu-derive v0.7.5 (latest: v0.8.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce76077864e30f40b63990d14faba06d0de2a4d09e63fef89978938ebd1d9045 [INFO] running `Command { std: "docker" "start" "-a" "ce76077864e30f40b63990d14faba06d0de2a4d09e63fef89978938ebd1d9045", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce76077864e30f40b63990d14faba06d0de2a4d09e63fef89978938ebd1d9045", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce76077864e30f40b63990d14faba06d0de2a4d09e63fef89978938ebd1d9045", kill_on_drop: false }` [INFO] [stdout] ce76077864e30f40b63990d14faba06d0de2a4d09e63fef89978938ebd1d9045 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ab83c6976a2f095cca5eca037a5c93cf9731722f26991afac6dbea54fb2785d [INFO] running `Command { std: "docker" "start" "-a" "8ab83c6976a2f095cca5eca037a5c93cf9731722f26991afac6dbea54fb2785d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling snafu-derive v0.7.5 [INFO] [stderr] Checking snafu v0.7.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `MissingUser` is never constructed [INFO] [stdout] --> tests/error_chain.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | enum LeafError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | MissingUser, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LeafError` 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: variant `AlphaDummy` is never constructed [INFO] [stdout] --> tests/no_context.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum AlphaError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 5 | AlphaDummy, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlphaError` 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: variant `Private` is never constructed [INFO] [stdout] --> tests/visibility.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | Private { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: variant `BetaDummy` is never constructed [INFO] [stdout] --> tests/no_context.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum BetaError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 10 | BetaDummy, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BetaError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Something` is never constructed [INFO] [stdout] --> tests/no_context.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 69 | enum GenericError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 70 | Something { things: T, other: U }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GenericError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Boom`, `WithSource`, and `Empty` are never constructed [INFO] [stdout] --> tests/generics_with_default.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 12 | enum Error<'a, S = std::io::Error, T = String> [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | Boom { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | WithSource { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Boom` is never constructed [INFO] [stdout] --> tests/generics.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 62 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 63 | #[snafu(display("Boom: {}", value))] [INFO] [stdout] 64 | Boom { value: T }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: variants `Leaf`, `BoxedWrapper`, `BoxedTraitObjectSend`, and `BoxedTraitObjectSendSync` are never constructed [INFO] [stdout] --> tests/send_between_threads.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Error { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | Leaf { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | BoxedWrapper { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | BoxedTraitObjectSend { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | BoxedTraitObjectSendSync { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: variant `Boom` is never constructed [INFO] [stdout] --> tests/generics.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 85 | enum Error [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 90 | Boom { value: T }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Boom` is never constructed [INFO] [stdout] --> tests/source_attributes.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum InnerError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 5 | Boom, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InnerError` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `PositionalAndShorthandArguments` is never constructed [INFO] [stdout] --> tests/display-shorthand.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | PositionalAndShorthandArguments { id: i32, name: &'static str }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Hidden` is never constructed [INFO] [stdout] --> tests/doc_comment.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Hidden, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VariantNamedNone` is never used [INFO] [stdout] --> tests/name-conflicts.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum VariantNamedNone { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VariantNamedSome` is never used [INFO] [stdout] --> tests/name-conflicts.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum VariantNamedSome { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VariantNamedOk` is never used [INFO] [stdout] --> tests/name-conflicts.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | enum VariantNamedOk { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VariantNamedErr` is never used [INFO] [stdout] --> tests/name-conflicts.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum VariantNamedErr { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Error` is never constructed [INFO] [stdout] --> tests/structs/single_use_lifetimes.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | struct Error<'id> { [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 7.66s [INFO] running `Command { std: "docker" "inspect" "8ab83c6976a2f095cca5eca037a5c93cf9731722f26991afac6dbea54fb2785d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ab83c6976a2f095cca5eca037a5c93cf9731722f26991afac6dbea54fb2785d", kill_on_drop: false }` [INFO] [stdout] 8ab83c6976a2f095cca5eca037a5c93cf9731722f26991afac6dbea54fb2785d [INFO] checking snafu-0.7.5 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate snafu 0.7.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate snafu 0.7.5 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate snafu 0.7.5 [INFO] finished tweaking crates.io crate snafu 0.7.5 [INFO] tweaked toml for crates.io crate snafu 0.7.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 426238e9e02d8153af922543d18408de071112b2afe73566c5e1b3995eb40665 [INFO] running `Command { std: "docker" "start" "-a" "426238e9e02d8153af922543d18408de071112b2afe73566c5e1b3995eb40665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "426238e9e02d8153af922543d18408de071112b2afe73566c5e1b3995eb40665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "426238e9e02d8153af922543d18408de071112b2afe73566c5e1b3995eb40665", kill_on_drop: false }` [INFO] [stdout] 426238e9e02d8153af922543d18408de071112b2afe73566c5e1b3995eb40665 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b307dd8504a76ed31de9f6ee1e1f24eb0527bda5f15ffd713bc937cad49d4eb4 [INFO] running `Command { std: "docker" "start" "-a" "b307dd8504a76ed31de9f6ee1e1f24eb0527bda5f15ffd713bc937cad49d4eb4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling snafu-derive v0.7.5 [INFO] [stderr] Checking snafu v0.7.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> tests/backtrace_attributes.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | NoArgumentSnafu.fail()?; [INFO] [stdout] | ^^^^ cannot infer type of the type parameter `__T` declared on the method `fail` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 22 | NoArgumentSnafu.fail::<__T>()?; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] warning: variant `Private` is never constructed [INFO] [stdout] --> tests/visibility.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | Private { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] [stderr] error: could not compile `snafu` (test "backtrace_attributes") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MissingUser` is never constructed [INFO] [stdout] --> tests/error_chain.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | enum LeafError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | MissingUser, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LeafError` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AlphaDummy` is never constructed [INFO] [stdout] --> tests/no_context.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum AlphaError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] 5 | AlphaDummy, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlphaError` 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: variant `BetaDummy` is never constructed [INFO] [stdout] --> tests/no_context.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | enum BetaError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 10 | BetaDummy, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BetaError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Something` is never constructed [INFO] [stdout] --> tests/no_context.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 69 | enum GenericError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 70 | Something { things: T, other: U }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GenericError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `PositionalAndShorthandArguments` is never constructed [INFO] [stdout] --> tests/display-shorthand.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | PositionalAndShorthandArguments { id: i32, name: &'static str }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: variant `Boom` is never constructed [INFO] [stdout] --> tests/generics.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 62 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 63 | #[snafu(display("Boom: {}", value))] [INFO] [stdout] 64 | Boom { value: T }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: variant `Boom` is never constructed [INFO] [stdout] --> tests/generics.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 85 | enum Error [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 90 | Boom { value: T }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b307dd8504a76ed31de9f6ee1e1f24eb0527bda5f15ffd713bc937cad49d4eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b307dd8504a76ed31de9f6ee1e1f24eb0527bda5f15ffd713bc937cad49d4eb4", kill_on_drop: false }` [INFO] [stdout] b307dd8504a76ed31de9f6ee1e1f24eb0527bda5f15ffd713bc937cad49d4eb4