[INFO] fetching crate bfield 0.3.0... [INFO] checking bfield-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate bfield 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate bfield 0.3.0 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 bfield 0.3.0 [INFO] finished tweaking crates.io crate bfield 0.3.0 [INFO] tweaked toml for crates.io crate bfield 0.3.0 written to /workspace/builds/worker-6-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 81 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (available: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding memmap2 v0.5.10 (available: v0.9.5) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0f4b48d4256a9ca4dae05bf4fec996ffee0800afeac27f35fd1e9bc24e6b964a [INFO] running `Command { std: "docker" "start" "-a" "0f4b48d4256a9ca4dae05bf4fec996ffee0800afeac27f35fd1e9bc24e6b964a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f4b48d4256a9ca4dae05bf4fec996ffee0800afeac27f35fd1e9bc24e6b964a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f4b48d4256a9ca4dae05bf4fec996ffee0800afeac27f35fd1e9bc24e6b964a", kill_on_drop: false }` [INFO] [stdout] 0f4b48d4256a9ca4dae05bf4fec996ffee0800afeac27f35fd1e9bc24e6b964a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1fc31dfb8f469ed1d1a05c4fe243b480cc9167b0f6ecd03794c837b36bdfebe0 [INFO] running `Command { std: "docker" "start" "-a" "1fc31dfb8f469ed1d1a05c4fe243b480cc9167b0f6ecd03794c837b36bdfebe0", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking murmurhash3 v0.0.5 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking mmap-bitvec v0.4.1 [INFO] [stderr] Checking bfield v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `prefetching` [INFO] [stdout] --> src/bfield_member.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "prefetching")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `prefetching` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/benchmark.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut bfield = build_bfield(4); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/benchmark.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let mut bfield = build_bfield(4); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `prefetching` [INFO] [stdout] --> src/bfield_member.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "prefetching")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `prefetching` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `Command { std: "docker" "inspect" "1fc31dfb8f469ed1d1a05c4fe243b480cc9167b0f6ecd03794c837b36bdfebe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fc31dfb8f469ed1d1a05c4fe243b480cc9167b0f6ecd03794c837b36bdfebe0", kill_on_drop: false }` [INFO] [stdout] 1fc31dfb8f469ed1d1a05c4fe243b480cc9167b0f6ecd03794c837b36bdfebe0