[INFO] fetching crate unidb_pgsql 0.2.1... [INFO] testing unidb_pgsql-0.2.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate unidb_pgsql 0.2.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate unidb_pgsql 0.2.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unidb_pgsql 0.2.1 [INFO] finished tweaking crates.io crate unidb_pgsql 0.2.1 [INFO] tweaked toml for crates.io crate unidb_pgsql 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffa9594f17b03c1518f2d6e90926e5e5053c3fa7e1fd19c5bd91b0b5d42a12db [INFO] running `Command { std: "docker" "start" "-a" "ffa9594f17b03c1518f2d6e90926e5e5053c3fa7e1fd19c5bd91b0b5d42a12db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffa9594f17b03c1518f2d6e90926e5e5053c3fa7e1fd19c5bd91b0b5d42a12db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffa9594f17b03c1518f2d6e90926e5e5053c3fa7e1fd19c5bd91b0b5d42a12db", kill_on_drop: false }` [INFO] [stdout] ffa9594f17b03c1518f2d6e90926e5e5053c3fa7e1fd19c5bd91b0b5d42a12db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 055d2768eeedf9dbd19919e9ad2203ffaf5ded623ff20bf355059208ad262989 [INFO] running `Command { std: "docker" "start" "-a" "055d2768eeedf9dbd19919e9ad2203ffaf5ded623ff20bf355059208ad262989", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling arc-swap v0.4.8 [INFO] [stderr] Compiling queue v0.3.2-final [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling miniz_oxide v0.5.1 [INFO] [stderr] Compiling stringprep v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling flate2 v1.0.23 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.5 [INFO] [stderr] Compiling crypto-common v0.1.3 [INFO] [stderr] Compiling block-buffer v0.10.2 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling hmac v0.12.1 [INFO] [stderr] Compiling sha2 v0.10.2 [INFO] [stderr] Compiling md-5 v0.10.1 [INFO] [stderr] Compiling postgres-protocol v0.6.3 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling serde_yaml v0.8.23 [INFO] [stderr] Compiling serde-value v0.6.0 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling serde-xml-rs v0.4.1 [INFO] [stderr] Compiling r2d2 v0.8.9 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling postgres-types v0.2.2 [INFO] [stderr] Compiling log4rs v0.11.0 [INFO] [stderr] Compiling unidb v0.4.12 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-postgres v0.7.5 [INFO] [stderr] Compiling postgres v0.19.2 [INFO] [stderr] Compiling r2d2_postgres v0.18.1 [INFO] [stderr] Compiling unidb_pgsql v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(t) => 1, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:79:20 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:165:20 [INFO] [stdout] | [INFO] [stdout] 165 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut count = input.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut count = list.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 124 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 168 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.61s [INFO] running `Command { std: "docker" "inspect" "055d2768eeedf9dbd19919e9ad2203ffaf5ded623ff20bf355059208ad262989", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "055d2768eeedf9dbd19919e9ad2203ffaf5ded623ff20bf355059208ad262989", kill_on_drop: false }` [INFO] [stdout] 055d2768eeedf9dbd19919e9ad2203ffaf5ded623ff20bf355059208ad262989 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0466d17210bf0fe352f380bd838d5ec6285ad629322b69117ff75f497e4ac361 [INFO] running `Command { std: "docker" "start" "-a" "0466d17210bf0fe352f380bd838d5ec6285ad629322b69117ff75f497e4ac361", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(t) => 1, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:79:20 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:165:20 [INFO] [stdout] | [INFO] [stdout] 165 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut count = input.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut count = list.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling unidb_pgsql v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 124 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 168 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(t) => 1, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:79:20 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/pg_dao.rs:165:20 [INFO] [stdout] | [INFO] [stdout] 165 | Ok(t) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut count = input.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pg_dao.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut count = list.len(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 124 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 124 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/pg_dao.rs:168:21 [INFO] [stdout] | [INFO] [stdout] 168 | &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 168 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.54s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/unidb_pgsql-b40023c77e189cd2) [INFO] running `Command { std: "docker" "inspect" "0466d17210bf0fe352f380bd838d5ec6285ad629322b69117ff75f497e4ac361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0466d17210bf0fe352f380bd838d5ec6285ad629322b69117ff75f497e4ac361", kill_on_drop: false }` [INFO] [stdout] 0466d17210bf0fe352f380bd838d5ec6285ad629322b69117ff75f497e4ac361 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ba5401f7fdca7bdb33b88feb109c5e3b03710534aa745ece10e18d6317951376 [INFO] running `Command { std: "docker" "start" "-a" "ba5401f7fdca7bdb33b88feb109c5e3b03710534aa745ece10e18d6317951376", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/pg_dao.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 41 | Ok(t) => 1, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/pg_dao.rs:50:12 [INFO] [stderr] | [INFO] [stderr] 50 | Ok(t) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/pg_dao.rs:79:20 [INFO] [stderr] | [INFO] [stderr] 79 | Ok(t) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/pg_dao.rs:165:20 [INFO] [stderr] | [INFO] [stderr] 165 | Ok(t) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pg_dao.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | let mut count = input.len(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pg_dao.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | let mut count = list.len(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/pg_dao.rs:82:21 [INFO] [stderr] | [INFO] [stderr] 82 | &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 82 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/pg_dao.rs:124:21 [INFO] [stderr] | [INFO] [stderr] 124 | &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 124 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/pg_dao.rs:168:21 [INFO] [stderr] | [INFO] [stderr] 168 | &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 168 | let _ = &transaction.rollback().unwrap_or_default(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `unidb_pgsql` (lib) generated 9 warnings [INFO] [stderr] warning: `unidb_pgsql` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unidb_pgsql-b40023c77e189cd2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests unidb_pgsql [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" "ba5401f7fdca7bdb33b88feb109c5e3b03710534aa745ece10e18d6317951376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba5401f7fdca7bdb33b88feb109c5e3b03710534aa745ece10e18d6317951376", kill_on_drop: false }` [INFO] [stdout] ba5401f7fdca7bdb33b88feb109c5e3b03710534aa745ece10e18d6317951376