[INFO] fetching crate mini-rx 0.1.1... [INFO] checking mini-rx-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mini-rx 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mini-rx 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mini-rx 0.1.1 [INFO] finished tweaking crates.io crate mini-rx 0.1.1 [INFO] tweaked toml for crates.io crate mini-rx 0.1.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 61 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding matchers v0.1.0 (available: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (available: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 457d14b21658e5670f36ab993383477d956530871b0621b3405520033ec83b13 [INFO] running `Command { std: "docker" "start" "-a" "457d14b21658e5670f36ab993383477d956530871b0621b3405520033ec83b13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "457d14b21658e5670f36ab993383477d956530871b0621b3405520033ec83b13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "457d14b21658e5670f36ab993383477d956530871b0621b3405520033ec83b13", kill_on_drop: false }` [INFO] [stdout] 457d14b21658e5670f36ab993383477d956530871b0621b3405520033ec83b13 [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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 025a282f8c079bb62d90562d3b6b15d93daf2dbc804253c1806cccc877ff2cb5 [INFO] running `Command { std: "docker" "start" "-a" "025a282f8c079bb62d90562d3b6b15d93daf2dbc804253c1806cccc877ff2cb5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling test-log-macros v0.2.16 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking test-log v0.2.16 [INFO] [stderr] Checking mini-rx v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CloneStableDeref2` is never used [INFO] [stdout] --> src/misc/stable_deref2.rs:43:18 [INFO] [stdout] | [INFO] [stdout] 43 | pub unsafe trait CloneStableDeref2: StableDeref2 + Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rx_impl.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | Edge(&'a RxEdge<'c>) [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RxDAGElemRef` 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] 19 | Edge(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CloneStableDeref2` is never used [INFO] [stdout] --> src/misc/stable_deref2.rs:43:18 [INFO] [stdout] | [INFO] [stdout] 43 | pub unsafe trait CloneStableDeref2: StableDeref2 + Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/rx_impl.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | Edge(&'a RxEdge<'c>) [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RxDAGElemRef` 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] 19 | Edge(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s [INFO] running `Command { std: "docker" "inspect" "025a282f8c079bb62d90562d3b6b15d93daf2dbc804253c1806cccc877ff2cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "025a282f8c079bb62d90562d3b6b15d93daf2dbc804253c1806cccc877ff2cb5", kill_on_drop: false }` [INFO] [stdout] 025a282f8c079bb62d90562d3b6b15d93daf2dbc804253c1806cccc877ff2cb5