[INFO] fetching crate bitcoinleveldb-duplex 0.1.16-alpha.0...
[INFO] checking bitcoinleveldb-duplex-0.1.16-alpha.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate bitcoinleveldb-duplex 0.1.16-alpha.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-duplex 0.1.16-alpha.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoinleveldb-table v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-filter v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-snapshot v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-util v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-key v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-comparator v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-env v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-status v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-cache v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-file v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-log v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-options v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-rand v0.1.16-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c38ce6b6500f103cb1534fb477ddfd2d60c954e68bbacf0066c31c1cf5b502
[INFO] running `Command { std: "docker" "start" "-a" "43c38ce6b6500f103cb1534fb477ddfd2d60c954e68bbacf0066c31c1cf5b502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c38ce6b6500f103cb1534fb477ddfd2d60c954e68bbacf0066c31c1cf5b502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c38ce6b6500f103cb1534fb477ddfd2d60c954e68bbacf0066c31c1cf5b502", kill_on_drop: false }`
[INFO] [stdout] 43c38ce6b6500f103cb1534fb477ddfd2d60c954e68bbacf0066c31c1cf5b502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf59695f374e233c480d94f853845c3e78d94eb0f9bd8bfec7be041fd120678a
[INFO] running `Command { std: "docker" "start" "-a" "bf59695f374e233c480d94f853845c3e78d94eb0f9bd8bfec7be041fd120678a", kill_on_drop: false }`
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[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
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[INFO] [stderr]    Compiling bitcoinleveldb-filter 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-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 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 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: 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 2m 48s
[INFO] running `Command { std: "docker" "inspect" "bf59695f374e233c480d94f853845c3e78d94eb0f9bd8bfec7be041fd120678a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf59695f374e233c480d94f853845c3e78d94eb0f9bd8bfec7be041fd120678a", kill_on_drop: false }`
[INFO] [stdout] bf59695f374e233c480d94f853845c3e78d94eb0f9bd8bfec7be041fd120678a
