[INFO] fetching crate rust-kpdb 0.5.0... [INFO] checking rust-kpdb-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rust-kpdb 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rust-kpdb 0.5.0 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 rust-kpdb 0.5.0 [INFO] finished tweaking crates.io crate rust-kpdb 0.5.0 [INFO] tweaked toml for crates.io crate rust-kpdb 0.5.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 74 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding env_logger v0.8.4 (available: v0.11.5) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 47b8cd7c39127ae2efbcb9eb32d7b5e2da8b02ddd4c01c5432d2f7ab3ff16963 [INFO] running `Command { std: "docker" "start" "-a" "47b8cd7c39127ae2efbcb9eb32d7b5e2da8b02ddd4c01c5432d2f7ab3ff16963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47b8cd7c39127ae2efbcb9eb32d7b5e2da8b02ddd4c01c5432d2f7ab3ff16963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b8cd7c39127ae2efbcb9eb32d7b5e2da8b02ddd4c01c5432d2f7ab3ff16963", kill_on_drop: false }` [INFO] [stdout] 47b8cd7c39127ae2efbcb9eb32d7b5e2da8b02ddd4c01c5432d2f7ab3ff16963 [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] ff592ceedeb760204818c79606d1a78f8663845ff49fdae30225f84f724a5c14 [INFO] running `Command { std: "docker" "start" "-a" "ff592ceedeb760204818c79606d1a78f8663845ff49fdae30225f84f724a5c14", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking xml-rs v0.8.22 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking secstr v0.5.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking rust-kpdb v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `start` is never used [INFO] [stdout] --> src/io/log.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Log { [INFO] [stdout] | --- method in this trait [INFO] [stdout] ... [INFO] [stdout] 18 | fn start(&mut self); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/types/group.rs:390:36 [INFO] [stdout] | [INFO] [stdout] 390 | let group = Group::new(name.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s [INFO] running `Command { std: "docker" "inspect" "ff592ceedeb760204818c79606d1a78f8663845ff49fdae30225f84f724a5c14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff592ceedeb760204818c79606d1a78f8663845ff49fdae30225f84f724a5c14", kill_on_drop: false }` [INFO] [stdout] ff592ceedeb760204818c79606d1a78f8663845ff49fdae30225f84f724a5c14