[INFO] fetching crate serbia 0.4.3... [INFO] checking serbia-0.4.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate serbia 0.4.3 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate serbia 0.4.3 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 serbia 0.4.3 [INFO] finished tweaking crates.io crate serbia 0.4.3 [INFO] tweaked toml for crates.io crate serbia 0.4.3 written to /workspace/builds/worker-2-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 18 packages to latest compatible versions [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c2718323ac83f22d8829c36b6c4d7a12098a75b733ef379d2bacd0118dc95e0d [INFO] running `Command { std: "docker" "start" "-a" "c2718323ac83f22d8829c36b6c4d7a12098a75b733ef379d2bacd0118dc95e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2718323ac83f22d8829c36b6c4d7a12098a75b733ef379d2bacd0118dc95e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2718323ac83f22d8829c36b6c4d7a12098a75b733ef379d2bacd0118dc95e0d", kill_on_drop: false }` [INFO] [stdout] c2718323ac83f22d8829c36b6c4d7a12098a75b733ef379d2bacd0118dc95e0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a3968593cbc27f93c7991c42f57922512d010038b327b83480de8d3f337df398 [INFO] running `Command { std: "docker" "start" "-a" "a3968593cbc27f93c7991c42f57922512d010038b327b83480de8d3f337df398", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking serbia v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stdout] warning: the type `[u8; 42]` does not permit being left uninitialized [INFO] [stdout] --> tests/03_serde_field_attrs.rs:49:48 [INFO] [stdout] | [INFO] [stdout] 49 | let mut arr: Self::Value = std::mem::MaybeUninit::uninit().assume_init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/04_mem_leaks.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 45 | struct Foo(Arc); [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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 13.97s [INFO] running `Command { std: "docker" "inspect" "a3968593cbc27f93c7991c42f57922512d010038b327b83480de8d3f337df398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3968593cbc27f93c7991c42f57922512d010038b327b83480de8d3f337df398", kill_on_drop: false }` [INFO] [stdout] a3968593cbc27f93c7991c42f57922512d010038b327b83480de8d3f337df398