[INFO] fetching crate sqlx-core 0.4.0-beta.1...
[INFO] checking sqlx-core-0.4.0-beta.1 against beta for pr-78714
[INFO] extracting crate sqlx-core 0.4.0-beta.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sqlx-core 0.4.0-beta.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sqlx-core 0.4.0-beta.1
[INFO] finished tweaking crates.io crate sqlx-core 0.4.0-beta.1
[INFO] tweaked toml for crates.io crate sqlx-core 0.4.0-beta.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] ae59e9951116c28010ad5bb66da16422e53d4c08dc13bff9c57fc85401dd4eff
[INFO] running `Command { std: "docker" "start" "-a" "ae59e9951116c28010ad5bb66da16422e53d4c08dc13bff9c57fc85401dd4eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae59e9951116c28010ad5bb66da16422e53d4c08dc13bff9c57fc85401dd4eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae59e9951116c28010ad5bb66da16422e53d4c08dc13bff9c57fc85401dd4eff", kill_on_drop: false }`
[INFO] [stdout] ae59e9951116c28010ad5bb66da16422e53d4c08dc13bff9c57fc85401dd4eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4d74835f7539fbd41414e3240d7619686ceb86b2e1fc03bda262585ee6a9f622
[INFO] running `Command { std: "docker" "start" "-a" "4d74835f7539fbd41414e3240d7619686ceb86b2e1fc03bda262585ee6a9f622", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking sqlx-core v0.4.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/column.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / macro_rules! impl_column_index_for_row {
[INFO] [stdout] 59 | |     ($R:ident) => {
[INFO] [stdout] 60 | |         impl crate::column::ColumnIndex<$R> for usize {
[INFO] [stdout] 61 | |             fn index(&self, row: &$R) -> Result<usize, crate::error::Error> {
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     };
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/column.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / macro_rules! impl_column_index_for_statement {
[INFO] [stdout] 75 | |     ($S:ident) => {
[INFO] [stdout] 76 | |         impl crate::column::ColumnIndex<$S<'_>> for usize {
[INFO] [stdout] 77 | |             fn index(&self, statement: &$S<'_>) -> Result<usize, crate::error::Error> {
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |     };
[INFO] [stdout] 88 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/statement.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout] 91  | / macro_rules! impl_statement_query {
[INFO] [stdout] 92  | |     ($A:ty) => {
[INFO] [stdout] 93  | |         #[inline]
[INFO] [stdout] 94  | |         fn query(&self) -> crate::query::Query<'_, Self::Database, $A> {
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |     };
[INFO] [stdout] 172 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `statement_cache::StatementCache`
[INFO] [stdout]  --> src/common/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) use statement_cache::StatementCache;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/column.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / macro_rules! impl_column_index_for_row {
[INFO] [stdout] 59 | |     ($R:ident) => {
[INFO] [stdout] 60 | |         impl crate::column::ColumnIndex<$R> for usize {
[INFO] [stdout] 61 | |             fn index(&self, row: &$R) -> Result<usize, crate::error::Error> {
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |     };
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/column.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / macro_rules! impl_column_index_for_statement {
[INFO] [stdout] 75 | |     ($S:ident) => {
[INFO] [stdout] 76 | |         impl crate::column::ColumnIndex<$S<'_>> for usize {
[INFO] [stdout] 77 | |             fn index(&self, statement: &$S<'_>) -> Result<usize, crate::error::Error> {
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |     };
[INFO] [stdout] 88 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/statement.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout] 91  | / macro_rules! impl_statement_query {
[INFO] [stdout] 92  | |     ($A:ty) => {
[INFO] [stdout] 93  | |         #[inline]
[INFO] [stdout] 94  | |         fn query(&self) -> crate::query::Query<'_, Self::Database, $A> {
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |     };
[INFO] [stdout] 172 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `statement_cache::StatementCache`
[INFO] [stdout]  --> src/common/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) use statement_cache::StatementCache;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement`
[INFO] [stdout]    --> src/query.rs:389:15
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub(crate) fn query_statement<'q, DB>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_with`
[INFO] [stdout]    --> src/query.rs:404:15
[INFO] [stdout]     |
[INFO] [stdout] 404 | pub(crate) fn query_statement_with<'q, DB, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/statement_cache.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> src/common/statement_cache.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_mut(&mut self, k: &str) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/common/statement_cache.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn insert(&mut self, k: &str, v: T) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/common/statement_cache.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_lru`
[INFO] [stdout]   --> src/common/statement_cache.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn remove_lru(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/common/statement_cache.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn contains_key(&mut self, k: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/common/statement_cache.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_enabled`
[INFO] [stdout]   --> src/common/statement_cache.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn is_enabled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/logger.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn new(sql: &'q str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_rows`
[INFO] [stdout]   --> src/logger.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn increment_rows(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_as`
[INFO] [stdout]    --> src/query_as.rs:184:15
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub(crate) fn query_statement_as<'q, DB, O>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_as_with`
[INFO] [stdout]    --> src/query_as.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn query_statement_as_with<'q, DB, O, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_scalar`
[INFO] [stdout]    --> src/query_scalar.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub(crate) fn query_statement_scalar<'q, DB, O>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_scalar_with`
[INFO] [stdout]    --> src/query_scalar.rs:186:15
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub(crate) fn query_statement_scalar_with<'q, DB, O, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement`
[INFO] [stdout]    --> src/query.rs:389:15
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub(crate) fn query_statement<'q, DB>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_with`
[INFO] [stdout]    --> src/query.rs:404:15
[INFO] [stdout]     |
[INFO] [stdout] 404 | pub(crate) fn query_statement_with<'q, DB, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common/statement_cache.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> src/common/statement_cache.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_mut(&mut self, k: &str) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/common/statement_cache.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn insert(&mut self, k: &str, v: T) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/common/statement_cache.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_lru`
[INFO] [stdout]   --> src/common/statement_cache.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn remove_lru(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/common/statement_cache.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn contains_key(&mut self, k: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/common/statement_cache.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_enabled`
[INFO] [stdout]   --> src/common/statement_cache.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn is_enabled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/logger.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn new(sql: &'q str) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_rows`
[INFO] [stdout]   --> src/logger.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(crate) fn increment_rows(&mut self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_as`
[INFO] [stdout]    --> src/query_as.rs:184:15
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub(crate) fn query_statement_as<'q, DB, O>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_as_with`
[INFO] [stdout]    --> src/query_as.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub(crate) fn query_statement_as_with<'q, DB, O, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_scalar`
[INFO] [stdout]    --> src/query_scalar.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub(crate) fn query_statement_scalar<'q, DB, O>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_statement_scalar_with`
[INFO] [stdout]    --> src/query_scalar.rs:186:15
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub(crate) fn query_statement_scalar_with<'q, DB, O, A>(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.50s
[INFO] running `Command { std: "docker" "inspect" "4d74835f7539fbd41414e3240d7619686ceb86b2e1fc03bda262585ee6a9f622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d74835f7539fbd41414e3240d7619686ceb86b2e1fc03bda262585ee6a9f622", kill_on_drop: false }`
[INFO] [stdout] 4d74835f7539fbd41414e3240d7619686ceb86b2e1fc03bda262585ee6a9f622