[INFO] fetching crate repos 0.1.8...
[INFO] checking repos-0.1.8 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate repos 0.1.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate repos 0.1.8 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate repos 0.1.8
[INFO] finished tweaking crates.io crate repos 0.1.8
[INFO] tweaked toml for crates.io crate repos 0.1.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2_postgres v0.10.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dea9ad9a6d0e3b320b9d038df502c70339df252d0e0f1a55f772555281b96b9
[INFO] running `Command { std: "docker" "start" "-a" "3dea9ad9a6d0e3b320b9d038df502c70339df252d0e0f1a55f772555281b96b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dea9ad9a6d0e3b320b9d038df502c70339df252d0e0f1a55f772555281b96b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dea9ad9a6d0e3b320b9d038df502c70339df252d0e0f1a55f772555281b96b9", kill_on_drop: false }`
[INFO] [stdout] 3dea9ad9a6d0e3b320b9d038df502c70339df252d0e0f1a55f772555281b96b9
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c294186da89a27484268498674dbc89430e81b3c40faafe088d87af16829579d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c294186da89a27484268498674dbc89430e81b3c40faafe088d87af16829579d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking phf_shared v0.7.15
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.1.0
[INFO] [stderr]     Checking phf v0.7.15
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking r2d2 v0.7.4
[INFO] [stderr]     Checking postgres v0.11.12
[INFO] [stderr]     Checking r2d2_postgres v0.10.1
[INFO] [stderr]     Checking repos v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ::std::collections::BTreeMap<&'a str,&'a ::postgres::types::ToSql>{
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::postgres::types::ToSql)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:65
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn get_value<'a>(&'a self, field_name: &'static str) -> &'a ToSql;
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn list2(query: &str, params: &[&ToSql]) -> Vec<Self> where Self: Sized;
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:30
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   params: &[&ToSql],
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn count2(query: &str, params: &[&ToSql]) -> i32;
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:65
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn get_value<'a>(&'a self, field_name: &'static str) -> &'a ToSql {
[INFO] [stdout]     |                                                                 ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:174:38
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn list2(query: &str, params: &[&ToSql]) -> Vec<Self> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |                   params: &[&ToSql],
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:39
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn count2(query: &str, params: &[&ToSql]) -> i32 {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:281:52
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn find_one<T: Entity>(query: &str, params: &[&ToSql]) -> Option<T> {
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:53
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn find_list<T: Entity>(query: &str, params: &[&ToSql]) -> Vec<T> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:316:40
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub fn execute(query: &str, params: &[&ToSql]) -> u64 {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ::std::collections::BTreeMap<&'a str,&'a ::postgres::types::ToSql>{
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::postgres::types::ToSql)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:65
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn get_value<'a>(&'a self, field_name: &'static str) -> &'a ToSql;
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn list2(query: &str, params: &[&ToSql]) -> Vec<Self> where Self: Sized;
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:30
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   params: &[&ToSql],
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:113:39
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn count2(query: &str, params: &[&ToSql]) -> i32;
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:65
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn get_value<'a>(&'a self, field_name: &'static str) -> &'a ToSql {
[INFO] [stdout]     |                                                                 ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:174:38
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn list2(query: &str, params: &[&ToSql]) -> Vec<Self> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |                   params: &[&ToSql],
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:39
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn count2(query: &str, params: &[&ToSql]) -> i32 {
[INFO] [stdout]     |                                       ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:281:52
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn find_one<T: Entity>(query: &str, params: &[&ToSql]) -> Option<T> {
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:53
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn find_list<T: Entity>(query: &str, params: &[&ToSql]) -> Vec<T> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:316:40
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub fn execute(query: &str, params: &[&ToSql]) -> u64 {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn ToSql`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | / lazy_static! {
[INFO] [stdout] 241 | |     static ref POSTGRES_POOL: RwLock<Option<Pool<PostgresConnectionManager>>>  = RwLock::new(None);
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | / lazy_static! {
[INFO] [stdout] 241 | |     static ref POSTGRES_POOL: RwLock<Option<Pool<PostgresConnectionManager>>>  = RwLock::new(None);
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | / lazy_static! {
[INFO] [stdout] 241 | |     static ref POSTGRES_POOL: RwLock<Option<Pool<PostgresConnectionManager>>>  = RwLock::new(None);
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | / lazy_static! {
[INFO] [stdout] 241 | |     static ref POSTGRES_POOL: RwLock<Option<Pool<PostgresConnectionManager>>>  = RwLock::new(None);
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:235:35
[INFO] [stdout]     |
[INFO] [stdout] 235 |         order_field = order_field.trim_left_matches('-').into();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:235:35
[INFO] [stdout]     |
[INFO] [stdout] 235 |         order_field = order_field.trim_left_matches('-').into();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 284 | /     match conn.query(query, params) {
[INFO] [stdout] 285 | |         Ok(rows) => {
[INFO] [stdout] 286 | |             return rows.into_iter().next().map(T::convert);
[INFO] [stdout] 287 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 293 | |         }
[INFO] [stdout] 294 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 295 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | /     match conn.query(query, params) {
[INFO] [stdout] 302 | |         Ok(rows) => {
[INFO] [stdout] 303 | |             return rows.into_iter().map(T::convert).collect();
[INFO] [stdout] 304 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 310 | |         }
[INFO] [stdout] 311 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 312 |       vec![]
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 284 | /     match conn.query(query, params) {
[INFO] [stdout] 285 | |         Ok(rows) => {
[INFO] [stdout] 286 | |             return rows.into_iter().next().map(T::convert);
[INFO] [stdout] 287 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 293 | |         }
[INFO] [stdout] 294 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 295 |       None
[INFO] [stdout]     |       ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | /     match conn.query(query, params) {
[INFO] [stdout] 302 | |         Ok(rows) => {
[INFO] [stdout] 303 | |             return rows.into_iter().map(T::convert).collect();
[INFO] [stdout] 304 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 310 | |         }
[INFO] [stdout] 311 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 312 |       vec![]
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/simple.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/simple.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/simple.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use] extern crate repos;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "c294186da89a27484268498674dbc89430e81b3c40faafe088d87af16829579d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c294186da89a27484268498674dbc89430e81b3c40faafe088d87af16829579d", kill_on_drop: false }`
[INFO] [stdout] c294186da89a27484268498674dbc89430e81b3c40faafe088d87af16829579d
