[INFO] fetching crate exonum_leveldb 0.9.1... [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] crate exonum_leveldb 0.9.1 is already in cache [INFO] checking exonum_leveldb-0.9.1 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880 [INFO] extracting crate exonum_leveldb 0.9.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate exonum_leveldb 0.9.1 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate exonum_leveldb 0.9.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate exonum_leveldb 0.9.1 [INFO] tweaked toml for crates.io crate exonum_leveldb 0.9.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other test targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a test target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-4/source/tests/cache.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/concurrent_access.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/iterator.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/utils.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/database.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/management.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/binary.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/writebatch.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/comparator.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/snapshots.rs [INFO] [stderr] * /workspace/builds/worker-4/source/tests/compaction.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autotests = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ffi-opaque v2.0.1 [INFO] [stderr] Downloaded leveldb-sys v2.0.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf91cc444662597bf79e1da796bc892cce4a81987324639ee27f274415f2f60c [INFO] running `Command { std: "docker" "start" "-a" "cf91cc444662597bf79e1da796bc892cce4a81987324639ee27f274415f2f60c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf91cc444662597bf79e1da796bc892cce4a81987324639ee27f274415f2f60c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf91cc444662597bf79e1da796bc892cce4a81987324639ee27f274415f2f60c", kill_on_drop: false }` [INFO] [stdout] cf91cc444662597bf79e1da796bc892cce4a81987324639ee27f274415f2f60c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e802fb5aa59d86ad67b1394c538c3aa0b9b2f3b31a748f4c4b79f7b182171094 [INFO] running `Command { std: "docker" "start" "-a" "e802fb5aa59d86ad67b1394c538c3aa0b9b2f3b31a748f4c4b79f7b182171094", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other test targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a test target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/tests/cache.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/concurrent_access.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/iterator.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/utils.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/database.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/management.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/binary.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/writebatch.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/comparator.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/snapshots.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/compaction.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autotests = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking ffi-opaque v2.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking exonum_leveldb v0.9.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database/error.rs:41:32 [INFO] [stdout] | [INFO] [stdout] 41 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 41 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 41 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database/error.rs:41:32 [INFO] [stdout] | [INFO] [stdout] 41 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 41 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 41 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/iterator.rs:65:22 [INFO] [stdout] | [INFO] [stdout] 65 | let iterable: &mut Iterable = database; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 65 - let iterable: &mut Iterable = database; [INFO] [stdout] 65 + let iterable: &mut dyn Iterable = database; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/iterator.rs:80:22 [INFO] [stdout] | [INFO] [stdout] 80 | let iterable: &mut Iterable = database; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 80 - let iterable: &mut Iterable = database; [INFO] [stdout] 80 + let iterable: &mut dyn Iterable = database; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> tests/concurrent_access.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / (0..10).map(|i| { [INFO] [stdout] 18 | | let local_db = shared.clone(); [INFO] [stdout] 19 | | [INFO] [stdout] 20 | | thread::spawn(move || { [INFO] [stdout] ... | [INFO] [stdout] 28 | | .map(JoinHandle::join) [INFO] [stdout] 29 | | .collect::>(); [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.34s [INFO] running `Command { std: "docker" "inspect" "e802fb5aa59d86ad67b1394c538c3aa0b9b2f3b31a748f4c4b79f7b182171094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e802fb5aa59d86ad67b1394c538c3aa0b9b2f3b31a748f4c4b79f7b182171094", kill_on_drop: false }` [INFO] [stdout] e802fb5aa59d86ad67b1394c538c3aa0b9b2f3b31a748f4c4b79f7b182171094