[INFO] fetching crate tokio-nbd 0.3.0... [INFO] checking tokio-nbd-0.3.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate tokio-nbd 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate tokio-nbd 0.3.0 [INFO] finished tweaking crates.io crate tokio-nbd 0.3.0 [INFO] tweaked toml for crates.io crate tokio-nbd 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio-nbd 0.3.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tokio-nbd 0.3.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded int-enum v1.2.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 277af1a1b7bab6f417e2e19bf02c9626fa6d04f20c84c1258f887163057db58f [INFO] running `Command { std: "docker" "start" "-a" "277af1a1b7bab6f417e2e19bf02c9626fa6d04f20c84c1258f887163057db58f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "277af1a1b7bab6f417e2e19bf02c9626fa6d04f20c84c1258f887163057db58f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "277af1a1b7bab6f417e2e19bf02c9626fa6d04f20c84c1258f887163057db58f", kill_on_drop: false }` [INFO] [stdout] 277af1a1b7bab6f417e2e19bf02c9626fa6d04f20c84c1258f887163057db58f [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b45164a13965517d6c4ef7e9489c2cb9f68391285c7507c1a84f3bc20c89dbb [INFO] running `Command { std: "docker" "start" "-a" "9b45164a13965517d6c4ef7e9489c2cb9f68391285c7507c1a84f3bc20c89dbb", kill_on_drop: false }` [INFO] [stderr] Compiling prettyplease v0.2.36 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.1 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling darling_core v0.21.1 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling int-enum v1.2.0 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling darling_macro v0.21.1 [INFO] [stderr] Compiling darling v0.21.1 [INFO] [stderr] Compiling bon-macros v3.6.5 [INFO] [stderr] Checking bon v3.6.5 [INFO] [stderr] Checking tokio-nbd v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:376:9 [INFO] [stdout] | [INFO] [stdout] 376 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/device.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | size: u64, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:397:9 [INFO] [stdout] | [INFO] [stdout] 397 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/device.rs:398:9 [INFO] [stdout] | [INFO] [stdout] 398 | offset: u64, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/device.rs:399:9 [INFO] [stdout] | [INFO] [stdout] 399 | length: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:421:9 [INFO] [stdout] | [INFO] [stdout] 421 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/device.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | offset: u64, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/device.rs:423:9 [INFO] [stdout] | [INFO] [stdout] 423 | length: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:376:9 [INFO] [stdout] | [INFO] [stdout] 376 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/device.rs:377:9 [INFO] [stdout] | [INFO] [stdout] 377 | size: u64, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:397:9 [INFO] [stdout] | [INFO] [stdout] 397 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/device.rs:398:9 [INFO] [stdout] | [INFO] [stdout] 398 | offset: u64, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/device.rs:399:9 [INFO] [stdout] | [INFO] [stdout] 399 | length: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flags` [INFO] [stdout] --> src/device.rs:421:9 [INFO] [stdout] | [INFO] [stdout] 421 | flags: CommandFlags, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/device.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | offset: u64, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/device.rs:423:9 [INFO] [stdout] | [INFO] [stdout] 423 | length: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `error` and `cookie` are never read [INFO] [stdout] --> src/io/command_reply.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 50 | struct SimpleReplyRaw<'a> { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 51 | error: &'a u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | cookie: &'a u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SimpleReplyRaw` 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 `MetaContext` is never constructed [INFO] [stdout] --> src/option_reply.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 106 | pub(crate) enum OptionReply { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 117 | MetaContext(u32, String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OptionReply` 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 `0` is never read [INFO] [stdout] --> src/option_request.rs:96:20 [INFO] [stdout] | [INFO] [stdout] 96 | SetMetaContext(Vec), [INFO] [stdout] | -------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `OptionRequest` has a derived impl for the trait `Debug`, but this is 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] 96 - SetMetaContext(Vec), [INFO] [stdout] 96 + SetMetaContext(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/option_request.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | ExtendedHeaders(Vec), [INFO] [stdout] | --------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `OptionRequest` has a derived impl for the trait `Debug`, but this is 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] 100 - ExtendedHeaders(Vec), [INFO] [stdout] 100 + ExtendedHeaders(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/server.rs:625:9 [INFO] [stdout] | [INFO] [stdout] 625 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 626 | request: &OptionRequest, [INFO] [stdout] 627 | ) -> Result<(Vec, OptionReplyFinalize), OptionReplyError> { [INFO] [stdout] | ---------------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 627 | ) -> Result<(Vec, OptionReplyFinalize<'_, T>), OptionReplyError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/server.rs:773:9 [INFO] [stdout] | [INFO] [stdout] 773 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 776 | ) -> std::io::Result> [INFO] [stdout] | ----------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 776 | ) -> std::io::Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `error` and `cookie` are never read [INFO] [stdout] --> src/io/command_reply.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 50 | struct SimpleReplyRaw<'a> { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 51 | error: &'a u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | cookie: &'a u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SimpleReplyRaw` 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: field `0` is never read [INFO] [stdout] --> src/option_request.rs:96:20 [INFO] [stdout] | [INFO] [stdout] 96 | SetMetaContext(Vec), [INFO] [stdout] | -------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `OptionRequest` has a derived impl for the trait `Debug`, but this is 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] 96 - SetMetaContext(Vec), [INFO] [stdout] 96 + SetMetaContext(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/option_request.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | ExtendedHeaders(Vec), [INFO] [stdout] | --------------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `OptionRequest` has a derived impl for the trait `Debug`, but this is 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] 100 - ExtendedHeaders(Vec), [INFO] [stdout] 100 + ExtendedHeaders(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/server.rs:625:9 [INFO] [stdout] | [INFO] [stdout] 625 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 626 | request: &OptionRequest, [INFO] [stdout] 627 | ) -> Result<(Vec, OptionReplyFinalize), OptionReplyError> { [INFO] [stdout] | ---------------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 627 | ) -> Result<(Vec, OptionReplyFinalize<'_, T>), OptionReplyError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/server.rs:773:9 [INFO] [stdout] | [INFO] [stdout] 773 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 776 | ) -> std::io::Result> [INFO] [stdout] | ----------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 776 | ) -> std::io::Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.01s [INFO] running `Command { std: "docker" "inspect" "9b45164a13965517d6c4ef7e9489c2cb9f68391285c7507c1a84f3bc20c89dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b45164a13965517d6c4ef7e9489c2cb9f68391285c7507c1a84f3bc20c89dbb", kill_on_drop: false }` [INFO] [stdout] 9b45164a13965517d6c4ef7e9489c2cb9f68391285c7507c1a84f3bc20c89dbb