[INFO] fetching crate bitcoinleveldb-duplex 0.1.16-alpha.0... [INFO] checking bitcoinleveldb-duplex-0.1.16-alpha.0 against master#bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 for pr-117351 [INFO] extracting crate bitcoinleveldb-duplex 0.1.16-alpha.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 on toolchain bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 [INFO] finished tweaking crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 [INFO] tweaked toml for crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitcoinleveldb-snapshot v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-cache v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-comparator v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-table v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-env v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-options v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-log v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-file v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-filter v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-rand v0.1.16-alpha.0 [INFO] [stderr] Downloaded bitcoinleveldb-key v0.1.16-alpha.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42439f3fdc3e844e9c9c80f7a9466c22d1636d99f555e48cd35c34da208fbf37 [INFO] running `Command { std: "docker" "start" "-a" "42439f3fdc3e844e9c9c80f7a9466c22d1636d99f555e48cd35c34da208fbf37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42439f3fdc3e844e9c9c80f7a9466c22d1636d99f555e48cd35c34da208fbf37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42439f3fdc3e844e9c9c80f7a9466c22d1636d99f555e48cd35c34da208fbf37", kill_on_drop: false }` [INFO] [stdout] 42439f3fdc3e844e9c9c80f7a9466c22d1636d99f555e48cd35c34da208fbf37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96979d9e43fa1ad2ddc0cca769fd633948bee4f8fc704c20a2192b6c599493f3 [INFO] running `Command { std: "docker" "start" "-a" "96979d9e43fa1ad2ddc0cca769fd633948bee4f8fc704c20a2192b6c599493f3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling termcolor v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling pathdiff v0.1.0 [INFO] [stderr] Compiling shell-words v0.1.0 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling ahash v0.7.7 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling term-painter v0.2.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling clang-sys v1.6.1 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling shlex v1.2.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling 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[INFO] [stderr] Compiling quanta v0.9.3 [INFO] [stderr] Compiling atomic_float v0.1.0 [INFO] [stderr] Compiling cpp_common v0.5.9 [INFO] [stderr] Checking siphasher v0.3.11 [INFO] [stderr] Compiling cpp_build v0.5.9 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.190 [INFO] [stderr] Compiling qttypes v0.2.9 [INFO] [stderr] Compiling cpp_macros v0.5.9 [INFO] [stderr] Compiling qmetaobject v0.2.9 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling qt_macros v0.1.1 [INFO] [stderr] Compiling qmetaobject_impl v0.2.9 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling delegate v0.7.0 [INFO] [stderr] Compiling try-catch v0.2.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling cpp v0.5.9 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling libevent-sys v0.2.6 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking serde-big-array v0.4.1 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Checking time v0.3.30 [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] Compiling libevent v0.1.0 [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-comparator v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-filter v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-key v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-file v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-rand v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-log 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-cache 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-duplex v0.1.16-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bitcoin_derive::*` [INFO] [stdout] --> src/imports.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | 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:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | 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: `s` [INFO] [stdout] --> src/two_level_iterator.rs:74:34 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn save_error(&mut self, s: &Status) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_iter` [INFO] [stdout] --> src/two_level_iterator.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | index_iter: *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_function` [INFO] [stdout] --> src/two_level_iterator.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_function` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/two_level_iterator.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | arg: *mut c_void, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/two_level_iterator.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | options: &ReadOptions) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/two_level_iterator.rs:100:28 [INFO] [stdout] | [INFO] [stdout] 100 | 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: `data_iter` [INFO] [stdout] --> src/two_level_iterator.rs:187:41 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn set_data_iterator(&mut self, data_iter: *mut LevelDBIterator) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_iter` [INFO] [stdout] --> src/two_level_iterator.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | index_iter: *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_function` [INFO] [stdout] --> src/two_level_iterator.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_function` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/two_level_iterator.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | arg: *mut c_void, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/two_level_iterator.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | options: &ReadOptions) -> *mut LevelDBIterator { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/two_level_iterator.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct TwoLevelIterator { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 9 | base: LevelDBIterator, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 11 | arg: *mut c_void, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | options: ReadOptions, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | status: Status, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | index_iter: LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | data_iter: LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | data_block_handle: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/two_level_iterator.rs:74:34 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn save_error(&mut self, s: &Status) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_iter` [INFO] [stdout] --> src/two_level_iterator.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | index_iter: *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_function` [INFO] [stdout] --> src/two_level_iterator.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_function` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/two_level_iterator.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | arg: *mut c_void, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/two_level_iterator.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | options: &ReadOptions) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/two_level_iterator.rs:100:28 [INFO] [stdout] | [INFO] [stdout] 100 | 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: `data_iter` [INFO] [stdout] --> src/two_level_iterator.rs:187:41 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn set_data_iterator(&mut self, data_iter: *mut LevelDBIterator) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index_iter` [INFO] [stdout] --> src/two_level_iterator.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | index_iter: *mut LevelDBIterator, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block_function` [INFO] [stdout] --> src/two_level_iterator.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_function` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arg` [INFO] [stdout] --> src/two_level_iterator.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | arg: *mut c_void, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `options` [INFO] [stdout] --> src/two_level_iterator.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | options: &ReadOptions) -> *mut LevelDBIterator { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/two_level_iterator.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct TwoLevelIterator { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 9 | base: LevelDBIterator, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | block_function: BlockFunction, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 11 | arg: *mut c_void, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | options: ReadOptions, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | status: Status, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | index_iter: LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | data_iter: LevelDBIteratorWrapper, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | data_block_handle: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.00s [INFO] running `Command { std: "docker" "inspect" "96979d9e43fa1ad2ddc0cca769fd633948bee4f8fc704c20a2192b6c599493f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96979d9e43fa1ad2ddc0cca769fd633948bee4f8fc704c20a2192b6c599493f3", kill_on_drop: false }` [INFO] [stdout] 96979d9e43fa1ad2ddc0cca769fd633948bee4f8fc704c20a2192b6c599493f3 [INFO] checking bitcoinleveldb-duplex-0.1.16-alpha.0 against try#ac89e27721b9b4d1482ebc87f2f83b4e23d49d71 for pr-117351 [INFO] extracting crate bitcoinleveldb-duplex 0.1.16-alpha.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 on toolchain ac89e27721b9b4d1482ebc87f2f83b4e23d49d71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 [INFO] finished tweaking crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 [INFO] tweaked toml for crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44ce10d26e9e7ffd50123cebbaeda59c64050341fd4d8f450226550590472119 [INFO] running `Command { std: "docker" "start" "-a" "44ce10d26e9e7ffd50123cebbaeda59c64050341fd4d8f450226550590472119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44ce10d26e9e7ffd50123cebbaeda59c64050341fd4d8f450226550590472119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44ce10d26e9e7ffd50123cebbaeda59c64050341fd4d8f450226550590472119", kill_on_drop: false }` [INFO] [stdout] 44ce10d26e9e7ffd50123cebbaeda59c64050341fd4d8f450226550590472119 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5e08f7288aa3419c6e806d4a268682d04ac90170f6285ff010359f18b8d67fc [INFO] running `Command { std: "docker" "start" "-a" "a5e08f7288aa3419c6e806d4a268682d04ac90170f6285ff010359f18b8d67fc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling termcolor v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling pathdiff v0.1.0 [INFO] [stderr] Compiling shell-words v0.1.0 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ahash v0.7.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling term-painter v0.2.4 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling clang-sys v1.6.1 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling home v0.5.5 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling shlex v1.2.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling sqlite3-src v0.2.12 [INFO] [stderr] Compiling openssl-sys v0.9.93 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling libc-stdhandle v0.1.0 [INFO] [stderr] Compiling priority-queue v1.3.2 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling cpp_core v0.6.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling sqlite3-sys v0.12.0 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling raw-cpuid v10.7.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling num-complex v0.4.4 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling poison v0.1.0 [INFO] [stderr] Compiling shared-mutex v0.3.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling crossbeam v0.8.2 [INFO] [stderr] Compiling sqlite v0.25.3 [INFO] [stderr] Compiling sqlite3 v0.24.0 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling pnet_sys v0.31.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling const-default v1.0.0 [INFO] [stderr] Compiling time-point v0.1.1 [INFO] [stderr] Compiling integer-encoding v3.0.4 [INFO] [stderr] Compiling bitset v0.1.2 [INFO] [stderr] Compiling multiset v0.0.5 [INFO] [stderr] Compiling atomic-take v1.1.0 [INFO] [stderr] Compiling atomic v0.5.3 [INFO] [stderr] Compiling atomic_float v0.1.0 [INFO] [stderr] Compiling comparator v0.3.0 [INFO] [stderr] Compiling float-ord v0.3.2 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling quanta v0.9.3 [INFO] [stderr] Checking siphasher v0.3.11 [INFO] [stderr] Compiling cpp_common v0.5.9 [INFO] [stderr] Compiling cpp_build v0.5.9 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] error: could not compile `syn` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ac89e27721b9b4d1482ebc87f2f83b4e23d49d71/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=cd2fa2836a8dbe40 -C extra-filename=-cd2fa2836a8dbe40 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-73ed9049f17b3685.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5de6a6c0f5debac9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a5e08f7288aa3419c6e806d4a268682d04ac90170f6285ff010359f18b8d67fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5e08f7288aa3419c6e806d4a268682d04ac90170f6285ff010359f18b8d67fc", kill_on_drop: false }` [INFO] [stdout] a5e08f7288aa3419c6e806d4a268682d04ac90170f6285ff010359f18b8d67fc