[INFO] fetching crate sqlx-core 0.2.6...
[INFO] checking sqlx-core-0.2.6 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate sqlx-core 0.2.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sqlx-core 0.2.6 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sqlx-core 0.2.6
[INFO] finished tweaking crates.io crate sqlx-core 0.2.6
[INFO] tweaked toml for crates.io crate sqlx-core 0.2.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eae5f530098a03ce7f5a118766f02f1fe460699f3e22246e30bcded9539a9a70
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "eae5f530098a03ce7f5a118766f02f1fe460699f3e22246e30bcded9539a9a70"`
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking sqlx-core v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `assert_send_sync`
[INFO] [stderr]    --> src/pool/mod.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn assert_send_sync<T: Send + Sync>() {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_clone`
[INFO] [stderr]    --> src/pool/mod.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn assert_clone<T: Clone>() {}
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_pool`
[INFO] [stderr]    --> src/pool/mod.rs:157:8
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn assert_pool<C: Connection + Connect<Connection = C>>() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.96s
[INFO] running `"docker" "inspect" "eae5f530098a03ce7f5a118766f02f1fe460699f3e22246e30bcded9539a9a70"`
[INFO] running `"docker" "rm" "-f" "eae5f530098a03ce7f5a118766f02f1fe460699f3e22246e30bcded9539a9a70"`
[INFO] [stdout] eae5f530098a03ce7f5a118766f02f1fe460699f3e22246e30bcded9539a9a70