[INFO] fetching crate rs_merkle 1.4.2... [INFO] checking rs_merkle-1.4.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rs_merkle 1.4.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rs_merkle 1.4.2 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 rs_merkle 1.4.2 [INFO] finished tweaking crates.io crate rs_merkle 1.4.2 [INFO] tweaked toml for crates.io crate rs_merkle 1.4.2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [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] 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31cbdb171e793244d7718901e17827cebe584aac88f4747f0f83f8c033f85cfc [INFO] running `Command { std: "docker" "start" "-a" "31cbdb171e793244d7718901e17827cebe584aac88f4747f0f83f8c033f85cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31cbdb171e793244d7718901e17827cebe584aac88f4747f0f83f8c033f85cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31cbdb171e793244d7718901e17827cebe584aac88f4747f0f83f8c033f85cfc", kill_on_drop: false }` [INFO] [stdout] 31cbdb171e793244d7718901e17827cebe584aac88f4747f0f83f8c033f85cfc [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f10aeb37022b3aaf5afcfeb5326f508c47f09988b47e37ba400f231633e9eb06 [INFO] running `Command { std: "docker" "start" "-a" "f10aeb37022b3aaf5afcfeb5326f508c47f09988b47e37ba400f231633e9eb06", kill_on_drop: false }` [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking rs_merkle v1.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `leaf_values` is never read [INFO] [stdout] --> tests/common.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct TestData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 8 | pub leaf_values: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `leaf_values` is never read [INFO] [stdout] --> tests/common.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct TestData48 { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 14 | pub leaf_values: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `combine` is never used [INFO] [stdout] --> tests/common.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn combine(active: Vec, rest: Vec, mut combinations: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `combinations` is never used [INFO] [stdout] --> tests/common.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn combinations(vec: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProofTestCases` is never constructed [INFO] [stdout] --> tests/common.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct ProofTestCases { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProofTestCases` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MerkleProofTestCase` is never constructed [INFO] [stdout] --> tests/common.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct MerkleProofTestCase { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MerkleProofTestCase` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> tests/common.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 85 | impl MerkleProofTestCase { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 86 | fn new(leaf_hashes_to_prove: Vec<[u8; 32]>, leaf_indices_to_prove: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `setup_proof_test_cases` is never used [INFO] [stdout] --> tests/common.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn setup_proof_test_cases() -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestData48` is never constructed [INFO] [stdout] --> tests/common.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct TestData48 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `setup_sha384` is never used [INFO] [stdout] --> tests/common.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn setup_sha384() -> TestData48 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s [INFO] running `Command { std: "docker" "inspect" "f10aeb37022b3aaf5afcfeb5326f508c47f09988b47e37ba400f231633e9eb06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f10aeb37022b3aaf5afcfeb5326f508c47f09988b47e37ba400f231633e9eb06", kill_on_drop: false }` [INFO] [stdout] f10aeb37022b3aaf5afcfeb5326f508c47f09988b47e37ba400f231633e9eb06