[INFO] fetching crate radish-database 0.1.0... [INFO] checking radish-database-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate radish-database 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate radish-database 0.1.0 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 radish-database 0.1.0 [INFO] finished tweaking crates.io crate radish-database 0.1.0 [INFO] tweaked toml for crates.io crate radish-database 0.1.0 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 69 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (available: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (available: v0.6.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding regex v0.2.11 (available: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (available: v0.8.4) [INFO] [stderr] Adding rmp-serde v0.15.5 (available: v1.3.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding thread_local v0.3.6 (available: v1.1.8) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (available: v2.4.0) [INFO] [stderr] Adding ucd-util v0.1.10 (available: v0.2.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b06b50a967fc6528b637e398a4f84180e2db75b8b3624065ee117f803fecd880 [INFO] running `Command { std: "docker" "start" "-a" "b06b50a967fc6528b637e398a4f84180e2db75b8b3624065ee117f803fecd880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b06b50a967fc6528b637e398a4f84180e2db75b8b3624065ee117f803fecd880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b06b50a967fc6528b637e398a4f84180e2db75b8b3624065ee117f803fecd880", kill_on_drop: false }` [INFO] [stdout] b06b50a967fc6528b637e398a4f84180e2db75b8b3624065ee117f803fecd880 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f2e7d7aab715f6bba5ad35f8c10458f82737096a4fea6b7af8515c5e64d843db [INFO] running `Command { std: "docker" "start" "-a" "f2e7d7aab715f6bba5ad35f8c10458f82737096a4fea6b7af8515c5e64d843db", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rmp-serde v0.15.5 [INFO] [stderr] Checking radish-types v0.1.0 [INFO] [stderr] Checking radish-database v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strings.rs:258:8 [INFO] [stdout] | [INFO] [stdout] 258 | let mut cnt = cnt.remove(0).expect("key should be created, but not"); [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] --> src/strings.rs:353:8 [INFO] [stdout] | [INFO] [stdout] 353 | for mut cnt in cnts { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strings.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | let mut cnt = Self::strings_unwrap_mut_container(&mut cnt)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strings.rs:258:8 [INFO] [stdout] | [INFO] [stdout] 258 | let mut cnt = cnt.remove(0).expect("key should be created, but not"); [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] --> src/strings.rs:353:8 [INFO] [stdout] | [INFO] [stdout] 353 | for mut cnt in cnts { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strings.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | let mut cnt = Self::strings_unwrap_mut_container(&mut cnt)?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/strings.rs:212:3 [INFO] [stdout] | [INFO] [stdout] 212 | drop(cnt); [INFO] [stdout] | ^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ContainerImpl>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 212 - drop(cnt); [INFO] [stdout] 212 + let _ = cnt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/strings.rs:212:3 [INFO] [stdout] | [INFO] [stdout] 212 | drop(cnt); [INFO] [stdout] | ^^^^^---^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ContainerImpl>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 212 - drop(cnt); [INFO] [stdout] 212 + let _ = cnt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.52s [INFO] running `Command { std: "docker" "inspect" "f2e7d7aab715f6bba5ad35f8c10458f82737096a4fea6b7af8515c5e64d843db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2e7d7aab715f6bba5ad35f8c10458f82737096a4fea6b7af8515c5e64d843db", kill_on_drop: false }` [INFO] [stdout] f2e7d7aab715f6bba5ad35f8c10458f82737096a4fea6b7af8515c5e64d843db