[INFO] fetching crate flips 0.2.1... [INFO] checking flips-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate flips 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate flips 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flips 0.2.1 [INFO] finished tweaking crates.io crate flips 0.2.1 [INFO] tweaked toml for crates.io crate flips 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding err-derive v0.2.4 (available: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6cec80ba01ca27288b46ab1abf88942a96b0c40094277eb9b38a18fc9660035f [INFO] running `Command { std: "docker" "start" "-a" "6cec80ba01ca27288b46ab1abf88942a96b0c40094277eb9b38a18fc9660035f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cec80ba01ca27288b46ab1abf88942a96b0c40094277eb9b38a18fc9660035f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cec80ba01ca27288b46ab1abf88942a96b0c40094277eb9b38a18fc9660035f", kill_on_drop: false }` [INFO] [stdout] 6cec80ba01ca27288b46ab1abf88942a96b0c40094277eb9b38a18fc9660035f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31673a63389c938da2d887e58639286496781005bb875a21af0110fefd87aded [INFO] running `Command { std: "docker" "start" "-a" "31673a63389c938da2d887e58639286496781005bb875a21af0110fefd87aded", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Compiling flips-sys v0.2.1 [INFO] [stderr] Compiling err-derive v0.2.4 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking flips v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/bps.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct BpsOutput { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 57 | mem: FlipsMemory, [INFO] [stdout] 58 | metadata: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BpsOutput` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg_attr(feature = "std", derive(err_derive::Error))] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Error` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_Error` [INFO] [stdout] 59 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg_attr(feature = "std", derive(err_derive::Error))] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_Error` [INFO] [stdout] 59 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/bps.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct BpsOutput { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 57 | mem: FlipsMemory, [INFO] [stdout] 58 | metadata: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BpsOutput` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg_attr(feature = "std", derive(err_derive::Error))] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Error` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_Error` [INFO] [stdout] 59 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | #[cfg_attr(feature = "std", derive(err_derive::Error))] [INFO] [stdout] | ^---------------- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_Error` [INFO] [stdout] 59 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `err_derive::Error` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `err_derive::Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `err_derive::Error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s [INFO] running `Command { std: "docker" "inspect" "31673a63389c938da2d887e58639286496781005bb875a21af0110fefd87aded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31673a63389c938da2d887e58639286496781005bb875a21af0110fefd87aded", kill_on_drop: false }` [INFO] [stdout] 31673a63389c938da2d887e58639286496781005bb875a21af0110fefd87aded