[INFO] fetching crate unidb_pgsql 0.2.1... [INFO] testing unidb_pgsql-0.2.1 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate unidb_pgsql 0.2.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate unidb_pgsql 0.2.1 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded postgres-types v0.2.1 [INFO] [stderr] Downloaded arc-swap v0.4.8 [INFO] [stderr] Downloaded thread-id v3.3.0 [INFO] [stderr] Downloaded log-mdc v0.1.0 [INFO] [stderr] Downloaded stringprep v0.1.2 [INFO] [stderr] Downloaded xml-rs v0.8.4 [INFO] [stderr] Downloaded serde-xml-rs v0.4.1 [INFO] [stderr] Downloaded log4rs v0.11.0 [INFO] [stderr] Downloaded serde-value v0.6.0 [INFO] [stderr] Downloaded queue v0.3.2-final [INFO] [stderr] Downloaded phf v0.8.0 [INFO] [stderr] Downloaded postgres-protocol v0.6.1 [INFO] [stderr] Downloaded tokio-postgres v0.7.2 [INFO] [stderr] Downloaded postgres v0.19.1 [INFO] [stderr] Downloaded Inflector v0.11.4 [INFO] [stderr] Downloaded r2d2_postgres v0.18.1 [INFO] [stderr] Downloaded unidb v0.4.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59c29fe73f7547fd9f968610565b5d997b5e4a64e61b751f2c701607b74df3e9 [INFO] running `Command { std: "docker" "start" "-a" "59c29fe73f7547fd9f968610565b5d997b5e4a64e61b751f2c701607b74df3e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59c29fe73f7547fd9f968610565b5d997b5e4a64e61b751f2c701607b74df3e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59c29fe73f7547fd9f968610565b5d997b5e4a64e61b751f2c701607b74df3e9", kill_on_drop: false }` [INFO] [stdout] 59c29fe73f7547fd9f968610565b5d997b5e4a64e61b751f2c701607b74df3e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 305e16dd0eaec67004a88a0e4587d6f94e7f179503e7767ab59f6d8adba0cb3d [INFO] running `Command { std: "docker" "start" "-a" "305e16dd0eaec67004a88a0e4587d6f94e7f179503e7767ab59f6d8adba0cb3d", kill_on_drop: false }` [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling queue v0.3.2-final [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling stringprep v0.1.2 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling md-5 v0.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.5 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling postgres-protocol v0.6.1 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling serde_yaml v0.8.21 [INFO] [stderr] Compiling serde-value v0.6.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling serde-xml-rs v0.4.1 [INFO] [stderr] Compiling r2d2 v0.8.9 [INFO] [stderr] Compiling postgres-types v0.2.1 [INFO] [stderr] Compiling log4rs v0.11.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling unidb v0.4.11 [INFO] [stderr] Compiling tokio-util v0.6.8 [INFO] [stderr] Compiling tokio-postgres v0.7.2 [INFO] [stderr] Compiling postgres v0.19.1 [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 20.74s [INFO] running `Command { std: "docker" "inspect" "305e16dd0eaec67004a88a0e4587d6f94e7f179503e7767ab59f6d8adba0cb3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "305e16dd0eaec67004a88a0e4587d6f94e7f179503e7767ab59f6d8adba0cb3d", kill_on_drop: false }` [INFO] [stdout] 305e16dd0eaec67004a88a0e4587d6f94e7f179503e7767ab59f6d8adba0cb3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55955aa45452e586af7351671687e0cefc3cf99387f32394c06551d345270ea5 [INFO] running `Command { std: "docker" "start" "-a" "55955aa45452e586af7351671687e0cefc3cf99387f32394c06551d345270ea5", kill_on_drop: false }` [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] [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 3.74s [INFO] running `Command { std: "docker" "inspect" "55955aa45452e586af7351671687e0cefc3cf99387f32394c06551d345270ea5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55955aa45452e586af7351671687e0cefc3cf99387f32394c06551d345270ea5", kill_on_drop: false }` [INFO] [stdout] 55955aa45452e586af7351671687e0cefc3cf99387f32394c06551d345270ea5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 220aab23f985f98709bcff4b84098d1d5a05d7730f9c313f61e54157190c6d4d [INFO] running `Command { std: "docker" "start" "-a" "220aab23f985f98709bcff4b84098d1d5a05d7730f9c313f61e54157190c6d4d", kill_on_drop: false }` [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 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/unidb_pgsql-715df4524af74967) [INFO] [stdout] [INFO] [stderr] Doc-tests unidb_pgsql [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] [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" "220aab23f985f98709bcff4b84098d1d5a05d7730f9c313f61e54157190c6d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "220aab23f985f98709bcff4b84098d1d5a05d7730f9c313f61e54157190c6d4d", kill_on_drop: false }` [INFO] [stdout] 220aab23f985f98709bcff4b84098d1d5a05d7730f9c313f61e54157190c6d4d