[INFO] fetching crate updb 0.1.0... [INFO] testing updb-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate updb 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate updb 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2883cb1725e7653f0ffdec3f1e15bb0c03d55afac6852cf9927df23c41939bbd [INFO] running `Command { std: "docker" "start" "-a" "2883cb1725e7653f0ffdec3f1e15bb0c03d55afac6852cf9927df23c41939bbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2883cb1725e7653f0ffdec3f1e15bb0c03d55afac6852cf9927df23c41939bbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2883cb1725e7653f0ffdec3f1e15bb0c03d55afac6852cf9927df23c41939bbd", kill_on_drop: false }` [INFO] [stdout] 2883cb1725e7653f0ffdec3f1e15bb0c03d55afac6852cf9927df23c41939bbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcf96363b12400d1320de827fabf773435a9c2f44a32702e273981ae644be91c [INFO] running `Command { std: "docker" "start" "-a" "dcf96363b12400d1320de827fabf773435a9c2f44a32702e273981ae644be91c", 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 2.72s [INFO] running `Command { std: "docker" "inspect" "dcf96363b12400d1320de827fabf773435a9c2f44a32702e273981ae644be91c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcf96363b12400d1320de827fabf773435a9c2f44a32702e273981ae644be91c", kill_on_drop: false }` [INFO] [stdout] dcf96363b12400d1320de827fabf773435a9c2f44a32702e273981ae644be91c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa848234222fe08436c3d2831ca6542b32c70dda54612f085476f05c0df5017c [INFO] running `Command { std: "docker" "start" "-a" "aa848234222fe08436c3d2831ca6542b32c70dda54612f085476f05c0df5017c", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tokio v1.48.0 [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 4.70s [INFO] running `Command { std: "docker" "inspect" "aa848234222fe08436c3d2831ca6542b32c70dda54612f085476f05c0df5017c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa848234222fe08436c3d2831ca6542b32c70dda54612f085476f05c0df5017c", kill_on_drop: false }` [INFO] [stdout] aa848234222fe08436c3d2831ca6542b32c70dda54612f085476f05c0df5017c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff8c2026a6ecf42d91b8bdbdec128066273e7ead1c639765f50ca6d7db570f1e [INFO] running `Command { std: "docker" "start" "-a" "ff8c2026a6ecf42d91b8bdbdec128066273e7ead1c639765f50ca6d7db570f1e", 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 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/updb-a684517634e44c85) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test updb::tests::can_create_read_transactions ... ok [INFO] [stdout] test updb::tests::can_create_writable_transactions ... ok [INFO] [stdout] test updb::tests::can_create_db ... ok [INFO] [stdout] test updb::tests::readable_transactions_not_writable ... 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" "ff8c2026a6ecf42d91b8bdbdec128066273e7ead1c639765f50ca6d7db570f1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8c2026a6ecf42d91b8bdbdec128066273e7ead1c639765f50ca6d7db570f1e", kill_on_drop: false }` [INFO] [stdout] ff8c2026a6ecf42d91b8bdbdec128066273e7ead1c639765f50ca6d7db570f1e