[INFO] fetching crate updb 0.1.0... [INFO] testing updb-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate updb 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate updb 0.1.0 [INFO] finished tweaking crates.io crate updb 0.1.0 [INFO] tweaked toml for crates.io crate updb 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate updb 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding imbl v2.0.3 (available: v6.1.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded imbl-sized-chunks v0.1.3 [INFO] [stderr] Downloaded imbl v2.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 727a8292b3dd11c70ffb5b6d981e93f03c391a9d98c3dd3770f4a5ba8f3ea85d [INFO] running `Command { std: "docker" "start" "-a" "727a8292b3dd11c70ffb5b6d981e93f03c391a9d98c3dd3770f4a5ba8f3ea85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "727a8292b3dd11c70ffb5b6d981e93f03c391a9d98c3dd3770f4a5ba8f3ea85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "727a8292b3dd11c70ffb5b6d981e93f03c391a9d98c3dd3770f4a5ba8f3ea85d", kill_on_drop: false }` [INFO] [stdout] 727a8292b3dd11c70ffb5b6d981e93f03c391a9d98c3dd3770f4a5ba8f3ea85d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea4edc410114c67ca955aed080741d4aba2d1edf7431bad5e96c3bbfed39ebe3 [INFO] running `Command { std: "docker" "start" "-a" "ea4edc410114c67ca955aed080741d4aba2d1edf7431bad5e96c3bbfed39ebe3", kill_on_drop: false }` [INFO] [stderr] Compiling bitmaps v3.2.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling arc-swap v1.7.1 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling imbl-sized-chunks v0.1.3 [INFO] [stderr] Compiling imbl v2.0.3 [INFO] [stderr] Compiling updb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(lock); [INFO] [stdout] 50 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 70 - drop(lock); [INFO] [stdout] 70 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s [INFO] running `Command { std: "docker" "inspect" "ea4edc410114c67ca955aed080741d4aba2d1edf7431bad5e96c3bbfed39ebe3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea4edc410114c67ca955aed080741d4aba2d1edf7431bad5e96c3bbfed39ebe3", kill_on_drop: false }` [INFO] [stdout] ea4edc410114c67ca955aed080741d4aba2d1edf7431bad5e96c3bbfed39ebe3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1ee6c7f2675fda514f5d872f6379179f5170f9fb8fa3f71bc40f2ce474ad241 [INFO] running `Command { std: "docker" "start" "-a" "c1ee6c7f2675fda514f5d872f6379179f5170f9fb8fa3f71bc40f2ce474ad241", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling updb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(lock); [INFO] [stdout] 50 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 70 - drop(lock); [INFO] [stdout] 70 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 50 - drop(lock); [INFO] [stdout] 50 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/tx/mod.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&OwnedMutexGuard<()>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 70 - drop(lock); [INFO] [stdout] 70 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "c1ee6c7f2675fda514f5d872f6379179f5170f9fb8fa3f71bc40f2ce474ad241", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1ee6c7f2675fda514f5d872f6379179f5170f9fb8fa3f71bc40f2ce474ad241", kill_on_drop: false }` [INFO] [stdout] c1ee6c7f2675fda514f5d872f6379179f5170f9fb8fa3f71bc40f2ce474ad241 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ee1ad4900532647d9f0482fa89986392572dcf05eb9ee01f2a7ed13e81da33e5 [INFO] running `Command { std: "docker" "start" "-a" "ee1ad4900532647d9f0482fa89986392572dcf05eb9ee01f2a7ed13e81da33e5", kill_on_drop: false }` [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/tx/mod.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | drop(lock); [INFO] [stderr] | ^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&OwnedMutexGuard<()>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 50 - drop(lock); [INFO] [stderr] 50 + let _ = lock; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/tx/mod.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | drop(lock); [INFO] [stderr] | ^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&OwnedMutexGuard<()>` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 70 - drop(lock); [INFO] [stderr] 70 + let _ = lock; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `updb` (lib) generated 2 warnings [INFO] [stderr] warning: `updb` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/updb-077826307defc870) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test updb::tests::can_create_db ... ok [INFO] [stdout] test updb::tests::readable_transactions_not_writable ... ok [INFO] [stdout] test updb::tests::can_create_read_transactions ... ok [INFO] [stdout] test updb::tests::can_create_writable_transactions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests updb [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ee1ad4900532647d9f0482fa89986392572dcf05eb9ee01f2a7ed13e81da33e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee1ad4900532647d9f0482fa89986392572dcf05eb9ee01f2a7ed13e81da33e5", kill_on_drop: false }` [INFO] [stdout] ee1ad4900532647d9f0482fa89986392572dcf05eb9ee01f2a7ed13e81da33e5