[INFO] fetching crate bitcoinleveldb-merger 0.1.16-alpha.0... [INFO] checking bitcoinleveldb-merger-0.1.16-alpha.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix [INFO] extracting crate bitcoinleveldb-merger 0.1.16-alpha.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate bitcoinleveldb-merger 0.1.16-alpha.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitcoinleveldb-merger 0.1.16-alpha.0 [INFO] finished tweaking crates.io crate bitcoinleveldb-merger 0.1.16-alpha.0 [INFO] tweaked toml for crates.io crate bitcoinleveldb-merger 0.1.16-alpha.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c421d7be9ed4892a0080dd1a5df499af68bbec742b0547f04eb443c919ee875 [INFO] running `Command { std: "docker" "start" "-a" "6c421d7be9ed4892a0080dd1a5df499af68bbec742b0547f04eb443c919ee875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c421d7be9ed4892a0080dd1a5df499af68bbec742b0547f04eb443c919ee875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c421d7be9ed4892a0080dd1a5df499af68bbec742b0547f04eb443c919ee875", kill_on_drop: false }` [INFO] [stdout] 6c421d7be9ed4892a0080dd1a5df499af68bbec742b0547f04eb443c919ee875 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fafcbb359b805b57476c6c8203e1eb02869470e80283f6643496a2f94474df17 [INFO] running `Command { std: "docker" "start" "-a" "fafcbb359b805b57476c6c8203e1eb02869470e80283f6643496a2f94474df17", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling qt_macros v0.1.1 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling qmetaobject_impl v0.2.10 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Compiling try-catch v0.2.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling delegate v0.7.0 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Checking num-rational v0.4.1 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking poison v0.1.0 [INFO] [stderr] Checking shared-mutex v0.3.1 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking priority-queue v1.4.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking sqlite v0.25.3 [INFO] [stderr] Checking sqlite3 v0.24.0 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking pnet_sys v0.31.0 [INFO] [stderr] Checking libc-stdhandle v0.1.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking integer-encoding v3.0.4 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking quanta v0.9.3 [INFO] [stderr] Checking atomic-take v1.1.0 [INFO] [stderr] Checking comparator v0.3.0 [INFO] [stderr] Checking multiset v0.0.5 [INFO] [stderr] Checking atomic v0.5.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitset v0.1.2 [INFO] [stderr] Checking float-ord v0.3.2 [INFO] [stderr] Checking atomic_float v0.1.0 [INFO] [stderr] Checking const-default v1.0.0 [INFO] [stderr] Checking time-point v0.1.1 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling cpp_common v0.5.9 [INFO] [stderr] Compiling cpp_build v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling cpp_macros v0.5.9 [INFO] [stderr] Compiling qttypes v0.2.11 [INFO] [stderr] Compiling qmetaobject v0.2.10 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling libevent-sys v0.2.6 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling cpp v0.5.9 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking libevent v0.1.0 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking serde-big-array v0.4.1 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling ritual_common v0.4.0 [INFO] [stderr] Compiling ritual_build v0.4.0 [INFO] [stderr] Compiling qt_ritual_common v0.4.0 [INFO] [stderr] Compiling qt_ritual_build v0.5.0 [INFO] [stderr] Compiling qt_core v0.5.0 [INFO] [stderr] Compiling qt_gui v0.5.0 [INFO] [stderr] Checking bitcoin-imports v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoin-cfg v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoin-derive v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-slice v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-status v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-util v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-filter v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-comparator v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-key v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-rand v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-file v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-log v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-cache v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-env v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-snapshot v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-options v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-table v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-merger v0.1.16-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bitcoin_derive::*` [INFO] [stdout] --> src/imports.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin_derive::*` [INFO] [stdout] --> src/imports.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comparator` [INFO] [stdout] --> src/merger.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comparator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comparator` [INFO] [stdout] --> src/merger.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comparator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `children` [INFO] [stdout] --> src/merger.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | children: *mut *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `children` [INFO] [stdout] --> src/merger.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | children: *mut *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/merger.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | n: i32) -> *mut LevelDBIterator { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/merger.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | n: i32) -> *mut LevelDBIterator { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comparator` [INFO] [stdout] --> src/merger.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comparator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comparator` [INFO] [stdout] --> src/merger.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comparator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `children` [INFO] [stdout] --> src/merger.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | children: *mut *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `children` [INFO] [stdout] --> src/merger.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | children: *mut *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/merger.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | n: i32) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/merger.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | n: i32) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/merger.rs:129:28 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn seek(&mut self, target: &Slice) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/merger.rs:129:28 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn seek(&mut self, target: &Slice) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `base`, `comparator`, `children`, `n`, `current`, and `direction` are never read [INFO] [stdout] --> src/merger.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct MergingIterator { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 38 | base: LevelDBIterator, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 48 | children: *mut LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 49 | n: i32, [INFO] [stdout] | ^ [INFO] [stdout] 50 | current: *mut LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 51 | direction: merging_iterator::Direction, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `base`, `comparator`, `children`, `n`, `current`, and `direction` are never read [INFO] [stdout] --> src/merger.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct MergingIterator { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 38 | base: LevelDBIterator, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | comparator: Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 48 | children: *mut LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 49 | n: i32, [INFO] [stdout] | ^ [INFO] [stdout] 50 | current: *mut LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 51 | direction: merging_iterator::Direction, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "fafcbb359b805b57476c6c8203e1eb02869470e80283f6643496a2f94474df17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fafcbb359b805b57476c6c8203e1eb02869470e80283f6643496a2f94474df17", kill_on_drop: false }` [INFO] [stdout] fafcbb359b805b57476c6c8203e1eb02869470e80283f6643496a2f94474df17